TitleAbstractYear(sorted ascending)
microbiology of wound infection after head and neck cancer surgery.specimens of pus were obtained from 24 patients who developed postoperative wound infection after head and neck cancer surgery. aerobic bacteria only were isolated in two instances (8%), anaerobic bacteria only in one (4%), and mixed aerobic and anaerobic bacteria in 21 (88%). a total of 146 isolates were recovered (66 aerobic and 80 anaerobic), an average of six isolates per specimen (2.7 aerobic and 3.3 anaerobic). the most frequently recovered isolates were peptostreptococcus sp, staphylococc ...19892785783
in-vitro activity of a new penem fce 22101.the in-vitro activity of a new penem fce 22101 was evaluated in comparison with other antimicrobial agents against 966 aerobic and anaerobic gram-negative and gram-positive bacteria. fce 22101 inhibited 90% of enterobacteriaceae, haemophilus influenzae, h. parainfluenzae, h. ducreyi, neisseria gonorrhoeae, branhamella catarrhalis, staphylococcus aureus, staph. epidermidis and group b streptococcus at concentrations of 0.12-4.0 mg/l. pseudomonas aeruginosa was resistant with mic90 of greater than ...19892786518
chemotaxis inhibition by gardnerella vaginalis and succinate producing vaginal anaerobes: composition of vaginal discharge associated with g vaginalis.the influence of six succinate producing vaginal anaerobes and gardnerella vaginalis on the chemotactic activity of granulocytes was studied by the under agarose method. g vaginalis, mobiluncus species, and three gram negative anaerobes elicited hardly any response, but peptostreptococcus productus showed clear positive chemotaxis, as did the escherichia coli strain used as a control. inhibition of the chemotactic response of white blood cells was found with all strains, but the high succinate p ...19892787775
comparative in vitro activity of lomefloxacin, a difluoro-quinolone.lomefloxacin is a new difluoro-quinolone. in this study, we have determined the in vitro activity of lomefloxacin against a wide range of clinical bacterial isolates and compared it with that of other fluoro-quinolones and some unrelated antimicrobials. lomefloxacin was very active against enterobacteriaceae (mic90, 0.5 micrograms/ml) with activity comparable to that of ofloxacin (mic90, 0.25 micrograms/ml). lomefloxacin was moderately active against isolates of pseudomonas aeruginosa (mic90, 4 ...19892791500
intravenous sulbactam/ampicillin in the treatment of pediatric infections.a total of 82 patients involving 83 episodes of proven or presumed bacterial infection were treated with sulbactam/ampicillin. these included 36 cases of soft tissue infection or abscess, four cases of joint or bone infection, 20 cases of respiratory tract infection (17 cases of pneumonia, two of otitis media, and one of tonsillitis), 15 urinary tract infections, three cases of enterocolitis, one case of infective endocarditis, two cases of septicemia, and two of peritonitis. the causative patho ...19892686918
anaerobic bacteria in brain abscess, a review; observation of 18 consecutive cases.the aerobic and anaerobic bacterial flora of 18 consecutive cases of brain abscesses were studied. two cases were sterile. in five cases there was a single bacterial isolate. in five cases there was a single bacterial isolate the organism being staphylococcus aureus in two cases, bacteroides fragilis in two cases and peptostreptococcus anaerobius in one case. in the remaining eleven cases, more than one organism was isolated. a combination of anaerobe with an aerobe was observed in five cases an ...19892687167
aerobic and anaerobic microbiology of intra-abdominal abscesses in this study of the aerobic and anaerobic microbiology of 23 intra-abdominal abscesses, aerobic bacteria alone were present in one specimen, anaerobic bacteria only in four, and mixed aerobic and anaerobic flora in 18. ninety bacterial isolates (3.9 isolates per specimen), 63 anaerobic (2.7 per specimen), and 27 aerobic and facultative (1.2 per specimen) isolates were recovered. the predominant organisms were bacteroides fragilis group (23 isolates), peptostreptococcus sp (20 isolates), and esc ...19892688128
intestinal perforation in children.there were 102 cases of intestinal perforation seen in children at the department of paediatric surgery at s.s. hospital, varanasi during a 3 year period. enteric (typhoid) perforation (29%), intussusception (15%) ascaris lumbricoides infestation (9%) and appendicitis (9%), which are rarities in the reported literature, were the major causes of intestinal perforation. radiological evidence of pneumoperitoneum was seen in 88% of patients. the majority of cases in this study were older than 5 year ...19892735889
aerobic and anaerobic microbiology of bartholin's abscess.aspirates of pus from an abscess of bartholin's gland in 28 patients were studied for aerobic and anaerobic bacteria. bacterial growth was obtained on culture in 26 specimens. a total of 67 bacterial isolates (43 anaerobic and 24 aerobic and facultative) were recovered, accounting for 2.6 isolates per specimen (1.7 anaerobic and 0.9 aerobic and facultatives). anaerobic bacteria only were present in eight patients, aerobic and facultatives in five and mixed aerobic and anaerobic flora in 13. sing ...19892740967
microbiology of postthoractomy sternal wound infection.specimens from 74 patients with postthoractomy sternal wound infection were studied for aerobic and anaerobic bacteria. bacterial growth was obtained in specimens from 65 patients (88%). aerobic or facultative bacteria only were recovered in 50 specimens (77%), anaerobic bacteria only in 6 (9%), and mixed aerobic, facultative, and anaerobic bacteria in 9 (14%). eighty-seven isolates were recovered (1.3 per specimen): 68 aerobic or facultative (1.0 per specimen) and 19 anaerobic (0.3 per specimen ...19892745693
antimicrobial susceptibilities of eubacterium, peptostreptococcus, and bacteroides isolated from root canals of teeth with periapical pathosis.eubacterium, peptostreptococcus, and bacteroides were isolated in high frequency from root canals with acute periapical inflammation. the antimicrobial susceptibilities of these strains were studied by determining minimum inhibitory concentrations of different agents. although all three kinds of isolates were susceptible to penicillins, the isolates other than black-pigmented bacteroides were less susceptible to cephems, tetracyclines, and macrorides with several resistant strains. all strains w ...19892607278
an in vitro method to study the adherence of oral bacteria to hela cells.exfoliated buccal epithelial cells have been widely used in microbial adherence studies, but present a number of problems due to their variable nature and to contamination with indigenous bacteria. an adherence assay was developed using hela cell monolayers which were washed with buffer, or treated with saliva or serum to mimic buccal or crevicular epithelial cells, respectively. a total of eighteen strains of oral bacteria tested showed a low affinity for untreated hela cells, but most strains ...19892607993
the predominant cultivable microbiota of crevicular epithelial cells.the purpose of the present investigation was to compare the composition of the predominant cultivable microbiota associated with gingival crevicular epithelial cells with that of the unattached microbiota recovered from the same site. samples were taken from 2 diseased sites from 8 periodontal patients, by scraping the epithelial lining of the pocket with a curette. the epithelial cells were separated from the unattached subgingival bacteria by centrifugation in a reduced 50% percoll density gra ...19892628861
development and clinical application of dna probe specific for peptostreptococcus micros.p. micros is thought to be an important pathogen in the etiology of certain inflammatory lesions, however, the role of this microorganism is uncertain due to the lack of rapid and reliable method to identify this species. the purpose of this study was to develop a dna probe specific for the detection of p. micros in order to evaluate its prevalence in oral infectious lesions. the whole genomic dna from p. micros was partially digested and inserted into the vector puc 13. four recombinant clones ...19892632133
[studies on anaerobic infection in oro-maxillary region--rapid diagnosis by gas-liquid chromatography and antibiotic susceptibilities of anaerobic bacteria].subject material for this study was pus collected from patients with purulent inflammation in the oro-maxillary region. direct gas-liquid chromatography (glc) analysis was made, bacterial isolation and identification were carried out, and comparisons were made with results from glc analysis and anaerobic isolates in a pyg medium. in addition, antibiotic susceptibilities of anaerobic bacteria were examined. results 1. anaerobic bacteria were isolated from 85 of 100 cases of obstructive abscesses. ...19892641196
accuracy and reproducibility of the 4-hour atb 32a method for anaerobe identification.the atb 32a system (api system sa, la balme les grottes, montalieu-vercieu, france) was evaluated for use in the identification of 214 anaerobes. organisms included 73 isolates of the bacteroides fragilis group, 24 bacteroides spp., 10 fusobacteria, 43 clostridia, 28 cocci, and 36 gram-positive, nonsporeforming rods. with the concomitant use of gram stain, pigmentation, catalase testing, and aerobic growth, the atb 32a system correctly identified 97% of the b. fragilis group isolates, 88% of bac ...19892681252
quantitative bacteriology of a case of acute is generally assumed that the microorganisms responsible for acute suppurative parotitis are facultative anaerobes, primarily staphylococcus aureus and streptococcus viridans. a quantitative microbiologic investigation of an aspirate of pus from the case we report revealed a microbial flora (5.1 x 10(6) cfu/ml) consisting entirely of strict anaerobes (fusobacterium nucleatum and peptostreptococcus anaerobius). the strain of f. nucleatum was sensitive to metronidazole but resistant to penicill ...19892682427
a 12 year study of aerobic and anaerobic bacteria in intra-abdominal and postsurgical abdominal wound infections.findings from the study of aerobic and anaerobic bacteria in intra-abdominal infections from 339 specimens of the peritoneal cavity after intestinal perforation, 83 specimens from abdominal abscesses and 89 specimens from postsurgical abdominal wounds are presented. anaerobic bacteria alone were present in 43 (13 per cent) of the peritoneal specimens, aerobic bacteria alone in 38 (11 per cent) and mixed aerobic and anaerobic flora in 258 (76 per cent). a total of 985 bacterial isolates were reco ...19892683149
application of chemotaxonomic techniques to the taxonomy of anaerobic bacteria.the use of chemical characters in bacterial classification and identification has proved to be an essential component of modern systematics. several clinically important anaerobic genera, such as bacteroides, clostridium, eubacterium, fusobacterium and peptostreptococcus, are known to be heterogeneous of the basis of chemotaxonomic and genetic data and are in need of further examination. recent work on bacteriodes has led to the genus being redefined and restricted to species within the former b ...19892479974
[isolation of anaerobes during a 30-month observation at a hospital microbiology laboratory].the authors evaluate retrospectively the results obtained from the research of anaerobial bacteria on 1313 samples received at the microbiology laboratory of the "ospedale civile di ivrea" over a period of 31 months (6/1/86-12/31/88). from this evaluation, high percentages of detection of anaerobic bacteria are emerging in the following infections: appendiculare abscesses (60%), intestinal operations (71%), wounds (57%), tubovarian abscesses (100%), as well as thoracic empyema (50%). also releva ...19892490397
gaspak plus versus anaerocult a--two carbon dioxide/hydrogen systems for cultivation of anaerobes.two disposable carbon dioxide/hydrogen gas-generating systems (gaspak plus and anaerocult a) were compared by assessing growth of obligate anaerobic bacteria. eighty strains representing 28 species of anaerobic bacteria commonly occurring at various body sites were seeded onto 4 brain heart chocolate agar plates using a spiral plater; and 1 plate each was subsequently incubated in 2 anaerocult a and 2 gaspak plus systems. bacterial growth was expressed as colony-forming units per ml (cfu/ml), re ...19892496538
coumamidines, new broad spectrum antibiotics of the cinodine type. iii. microbiologic activity of coumamidine gamma 1.the coumamidines are novel antibiotics with activity against a wide spectrum of aerobic gram-positive and gram-negative bacteria. all microbiological studies were performed on coumamidine gamma 1. the mic90s (micrograms/ml) of coumamidine are as follows: staphylococcus aureus 1.0, streptococcus pyogenes 8, enterobacteriaceae 2.0, pseudomonas aeruginosa 8, campylobacter jejuni and campylobacter coli 1, legionella pneumophila 8, haemophilus influenzae 0.5, neisseria gonorrhoeae 0.5. coumamidine ha ...19892498268
bacteriotherapy for chronic relapsing clostridium difficile diarrhoea in six patients.six patients with chronic relapsing diarrhoea caused by clostridium difficile were treated with rectal instillation of homologous faeces (one patient) or a mixture of ten different facultatively aerobic and anaerobic bacteria diluted in sterile saline (five patients). the mixture led to a prompt loss of cl difficile and its toxin from the stools and to bowel colonisation by bacteroides sp, which had not been present in pre-treatment stool samples. strains of escherichia coli, cl bifermentans, an ...19892566734
comparison of four commercial brucella agar media for growth of anaerobic organisms.four different commercial brucella blood agar plating media (anaerobe systems, bbl microbiology systems, remel, and scott laboratories) were compared for the abilities to recover anaerobic organisms from clinical specimens and to support the growth of american type culture collection anaerobic stock cultures. following 24 h of incubation in an anaerobe chamber, anaerobe systems prereduced, anaerobically sterilized brucella plates yielded 63% of the total clinical anaerobe isolates, the scott med ...19892584378
microbiology of infected epidermal cysts.specimens from 231 epidermal cyst abscesses were inoculated on media supportive for growth of aerobic and anaerobic bacteria. of these, 192 yielded bacterial growth. aerobic or facultative bacteria only were recovered in 84 specimens (44%), anaerobic bacteria only in 57 specimens (30%), and mixed aerobic and anaerobic bacteria in 51 specimens (26%). a total of 315 isolates (162 anaerobes and 153 aerobes) were recovered. an average of 0.8 aerobic or facultative isolates per infected cyst were rec ...19892589860
josamycin concentrations in human dental granuloma after a single oral administration of josamycin.1. josamycin concentrations in human serum and dental granuloma after a single oral administration of josamycin (600 mg) were assayed by an agar diffusion (paper disc) method. 2. the mean peak josamycin concentrations in serum and dental granuloma occurred at an identical time, approximately 90 min, and were 0.88 micrograms/ml and 1.61 micrograms/g, respectively. 3. the mean concentration ratio of dental granuloma to serum at the peak time was 2.24. 4. josamycin concentration in dental granuloma ...19892591712
studies on microaerophilic cocci (stuart-schwan cocci) isolated from summer mastitis and other pyogenic infections of cattle.forty-nine strains of microaerophilic gram-positive cocci (stuart-schwan cocci) isolated from summer mastitis, "pyogenes"-mastitis, other pyogenic conditions of danish cattle and swine, and from the sheep headfly hydrotaea irritans were biochemically characterized with the api 50 ch and api zym test kit systems, and screened for production of a variety of extracellular enzymes by agar plate methods. for comparison 4 strains isolated from swedish cases of heifer and dry cow mastitis were included ...19892596384
plasmid analysis and antimicrobial susceptibilities of peptostreptococcus species.there are no published methods on plasmid isolation from peptostreptococcus spp., therefore two methods of plasmid isolation from this genera were analysed: the boiling and alkaline-sds methods. plasmid dna was not recovered by the boiling method, however, with the alkaline-sds method, cryptic plasmid dna was detected in two p. asaccharolyticus and one p. magnus strains. to achieve optimum lysis, peptostreptococcus cells were treated with lysozyme (2 mg/ml) for 15 min. at 37 degrees c followed b ...19892599360
the in-vitro activity of three long-acting cephalosporins against bacteroides fragilis, peptostreptococcus species and clostridium perfringens. 198916312326
in vitro bactericidal activity of the glycopeptide compounds vancomycin, teicoplanin and ramoplanin (a-16686/mdl 62,198). 198916312373
study of gaseous substrate fermentations: carbon monoxide conversion to acetate. 1. batch culture.biological processes may be used to convert gas phase substrates, such as h(2)s, ch(4), co, h(2), and co(2), to useful products. utilization of these substrates is often a mass transfer limited process, first requiring absorption across the gas-liquid interface and diffusion through the culture medium to the cell surface, prior to reaction. this article presents a method for determining fermentation parameters of a gaseous substrate in convenient batch vessels using a modified monod model. the p ...198918588164
study of gaseous substrate fermentations: carbon monoxide conversion to acetate. 2. continuous culture.the fermentation of gaseous substrates such as co, h(2), and co(2) may be performed in a continuous stirred tank reactor, as well as the traditional batch reactor. in this article, the conversion of carbon monoxide by peptostreptococcus productus is demonstrated in a stirred tank reactor under both mass transfer-controlled and nonmass transfer-controlled conditions. utilizing a non-steady-state procedure, intrinsic rates are evaluated under non-mass transfer-controlled conditions in a time perio ...198918588165
[anaerobic asporogenous infection in patients with postoperative empyema].the results of treatment of 38 patients with postoperative pleural empyema caused by anaerobic asporogenous infection were summarized. the factors contributing to the development of anaerobic asporogenous infection, peculiarities of the clinical picture, diagnosis and treatment were revealed, the measures for prophylaxis were outlined. the clinical effectiveness was achieved in 92.1% of the patients with lethality of 2.6%.19902280516
relationship of bacteriologic characteristics to semen indices in men attending an infertility clinic.bacteria can be isolated from most seminal fluid samples, but the significance of these microorganisms is uncertain because most men lack symptoms associated with bacterial infection of the reproductive tract. we obtained semen samples from 37 men attending a special infertility clinic and assessed the relationship between seminal fluid microorganisms and seminal fluid analysis including sperm motility, morphology, and concentration; the numbers of polymorphonuclear leukocytes and other white bl ...19902325963
genetic basis of tetracycline resistance in urogenital bacteria.the distributions of the nucleotide sequences related to the tetracycline resistance determinants tet k, tet l, tet m, and tet o were studied by dot blot hybridization with randomly chosen clinical urogenital tract isolates of viridans group streptococci, streptococcus agalactiae, enterococcus faecalis, gardnerella vaginalis, lactobacillus spp., fusobacterium nucleatum, peptostreptococcus spp., and veillonella parvula. among the peptostreptococcus spp., 79% of the isolates hybridized with one (6 ...19902327774
biotransformations of aromatic aldehydes by acetogenic bacteria.vanillin was subject to o demethylation and supported growth of clostridium formicoaceticum and clostridium thermoaceticum. vanillin was also stimulatory to the co-dependent growth of peptostreptococcus productus. the aldehyde substituent of vanillin was metabolized by routes which were dependent upon both the acetogen and a co-metabolizable substrate (e.g. carbon monoxide [co]). c. formicoaceticum and c. thermoaceticum oxidized the aldehyde group of vanillin to the carboxyl level, while p. prod ...19902328911
[the immunological diagnosis of peptostreptococcal infection].the work deals with different methods for the diagnosis of anaerobic streptococcal infection, experimentally tested and clinically approved in the examination of children with acute pneumonia. the passive hemagglutination test, the immune rosette formation test and the specific lymphocyte blastogenesis test were used for diagnosis. as sensitin and antigen, the preparation of the peptostreptococcal bacterial mass was used. the diagnostic titer of antibodies to anaerobic streptococci was 1:160. a ...19902330780
clinical, pathologic, and microbiologic findings of foot abscess in neonatal pigs.a longitudinal study was undertaken in a swine herd with an ever-present problem of foot abscess in suckling pigs reared on a woven-wire floor. of 3,322 4-day-old pigs, 199 (6%) developed abscess lesions involving claws and accessory digits before weaning. lesions were first detected in 4-day-old pigs; median and mean ages at onset were 10 and 11.3 days, respectively. at first detection, most pigs had only a single claw affected, but 39 pigs had at least 2 claws with abscesses. hind limbs had mo ...19902351598
the obligate and facultatively anaerobic bacterial flora of the normal feline gingival margin.samples from the gingival margins of 14 cats considered normal on clinical examination were cultured for facultative and obligate anaerobic bacteria. all mouths were free from any gingival marginal inflammation and tartar build-up; all cats were between 6 and 12 months of age. a mixed growth was obtained from all samples. the mean number of bacterial species per sample was 10.7 with a range of 7-16 isolates. of the 150 isolates processed, 109 (72.66%) were obligate anaerobes. of the facultativel ...19902353448
cephalexin concentrations in human serum, gingiva, and mandibular bone following a single oral administration.1. cephalexin concentrations in human serum, gingiva, and mandibular bone after a single oral administration of cephalexin (500 mg) were measured by the paper disc method. 2. the peak times of serum, gingiva, and mandibular bone were approximately 90, 120 and 120 min, respectively. 3. the peak concentrations of serum, gingiva, and mandibular bone were 10.58 micrograms/ml, 5.57 micrograms/g and 2.12 micrograms/g, respectively. 4. the concentration ratio of gingiva/serum and mandibular bone/serum ...19902276582
[susceptibilities of clinical bacterial isolates to antimicrobial agents. a study mainly focused on imipenem. reported by the research group for testing imipenem susceptibility on clinical isolates].this study was conducted to investigate susceptibilities of clinical bacterial isolates to imipenem (ipm) and other antibacterial agents at 64 hospital laboratories throughout japan from september to december of 1988. in this study, identification and susceptibility testing were carried out at each laboratory and the tests were performed according to the disk dilution method recommended by nccls in which susceptibilities are classified into "s", "ms", "i" and "r". ipm showed markedly high in vit ...19902287060
bacterial vaginosis as a risk factor for post-cesarean endometritis.bacterial species associated with bacterial vaginosis have been isolated more frequently from endometrial cultures of patients with postpartum endometritis than expected from the prevalence of bacterial vaginosis among pregnant women. to further assess the association between bacterial vaginosis and postpartum endometritis, vaginal gram smears were obtained from women admitted for delivery. vaginal smears of women delivered by cesarean were scored as normal or as indicating bacterial vaginosis. ...19902296423
anaerobic bacteria and bacterial infections: perspectives on treatment and resistance in italy.results of laboratory tests of 2,000 samples obtained from 1984 to 1987 from patients with suspected anaerobic infections and the clinical experience of these patients are reported. of these samples, 395 were positive for anaerobes; 36.5% of these 395 samples contained single organisms, and 63.5% contained a mixture of anaerobes and aerobes. abdominal infections were the infections most frequently caused by anaerobes. the bacteroides fragilis group and strains of peptostreptococcus were the micr ...19902305181
splenic abscess due to peptostreptococcus spp. as a complication of cardiac catheterization.we describe the development of a splenic abscess, due in part to peptostreptococcus, as a complication of cardiac catheterization. the etiologies of splenic abscess should include peptostreptococcus, and splenic abscesses should be added to the list of complications of cardiac catheterization.19902317856
clindamycin versus ampicillin in the treatment of odontogenic infections.the subjects were 106 patients, aged 14 to 70 years, with acute facial or oral abscesses originating from an odontogenic source. they were randomly assigned to receive 150 mg of clindamycin or 250 mg of ampicillin orally four times daily for seven days. after seven days of treatment, the infections were eradicated in 36 of the 52 clindamycin-treated patients and in 42 of the 54 ampicillin-treated patients, and improved in 16 and 11, respectively. one of the ampicillin group was a treatment failu ...19902379229
microbiologic efficacy of intravaginal clindamycin cream for the treatment of bacterial vaginosis.bacterial vaginosis is characterized by replacement of the normal lactobacillus-predominant vaginal flora with gardnerella vaginalis, anaerobic bacteria, and mycoplasma hominis. the present study evaluated the vaginal flora of women with bacterial vaginosis before and after treatment with intravaginal clindamycin cream. sixty-seven nonpregnant women with symptoms and signs of bacterial vaginosis, and without other genital tract infections, were randomly assigned to receive placebo cream or 0.1, ...19902381617
polysaccharides from peptostreptococcus anaerobius and structure of the species-specific antigen.the cell-envelope antigens of peptostreptococcus anaerobius were extracted from intact cells by autoclave or alkaline treatment. the purified species-specific antigen (g) was identified among several polysaccharides obtained from the extracts by successive treatments with ribonuclease and pronase followed by ion-exchange and gel-filtration chromatography. g was investigated by 13c- and 31p-n.m.r. spectroscopy, titrimetry, elemental analysis, and gas-liquid chromatography. oxidation of g with nai ...19902076510
the microbial flora from root canals and periodontal pockets of non-vital teeth associated with advanced periodontitis.microflora from root canals and periodontal pockets of periodontally affected teeth were compared in order to elucidate the as yet unknown relationship between pulpal and periodontal disease. caries-free teeth affected with advanced periodontitis and diagnosed as clinically dead by electric pulp testing were selected. the root canals and periodontal pockets were sampled, and the bacterial flora examined by both culture and interference microscopy. the results indicated that the aerobe/anaerobe r ...19902391182
[a clinical study of asymptomatic bacteriospermia].asymptomatic bacteriospermia was studied as an entity and its treatment was investigated in 65 subjects who clinically needed their semen tested. the obtained results are summarized as follows. 1. the rate of detection of bacteria in semen was 89.2%, and the rates of detection of aerobic and anaerobic bacteria were 55.4% and 70.8%, respectively. forty gram-positive strains were identified among the aerobic bacteria; rates of detection for staphylococcus epidermidis and enterococcus faecalis were ...19902112205
management of empyema thoracis.over a 5-year period, 65 adult patients with empyema thoracis were treated. the cause of the empyema was postpneumonic in 52%, postresectional in 24%, a complication of minor surgical procedures in 14%, posttraumatic in 5%, and the result of miscellaneous causes in 5%. in the postpneumonic group, infection resulted from a single aerobic organism in 41%, multiple aerobic organisms in 9%, single anaerobic organisms in 12%, and mixed aerobic-anaerobic organisms in 18%. peptostreptococcus, streptoco ...19902400254
bacterial vaginosis and trichomoniasis vaginitis are risk factors for cuff cellulitis after abdominal assess the relationship between either bacterial vaginosis or trichomoniasis vaginitis and posthysterectomy infection, preoperative evaluation of the vaginal secretions was performed in 161 women undergoing abdominal hysterectomy. thirty-two patients (19.9%) and 27 patients (16.8%), respectively, met the diagnostic criteria for bacterial vaginosis and trichomoniasis vaginitis. patients with either bacterial vaginosis or trichomoniasis vaginitis were more likely than control subjects to have c ...19902403128
the bacteriology of gangrenous and perforated using optimum sampling, transport, and culture techniques in patients with gangrenous or perforated appendicitis, we recovered than has previously been reported. thirty patients older than 12 years with histologically documented gangrenous or perforated appendicitis had peritoneal fluid, appendiceal tissue, and abscess contents (if present) cultured. appendiceal tissue was obtained so as to exclude the lumen. a total of 223 anaerobes and 82 aerobic or faculatative bacteria were recovered, an ...19902405791
current taxonomy of medically important nonsporing anaerobes.this review deals mainly with the taxonomy of the genera and species in the family bacteroidaceae. it has been proposed that the genus bacteroides should be restricted to include the "bacteroides fragilis group" and that the asaccharolytic black-pigmented bacteroides species be transferred to a new genus, porphyromonas. new bacteroides, fusobacterium, and selenomonas species have been described. a high degree of heterogeneity is apparently present among peptostreptococcus species. mobiluncus is ...19902406865
the microbiology of chronic sinus disease in children with respiratory allergy.chronic maxillary sinusitis is common in children with respiratory allergy and is associated with increased morbidity. the bacteriology of chronic sinus disease in these children has not been adequately evaluated. between may 1987 and january 1988, 12 children (aged 3 to 9 years), all with documented respiratory allergy and chronic respiratory symptoms consistent with chronic sinusitis (greater than 30 days), were fully evaluated. history, physical examination, complete blood count, nasal smear, ...19902355153
purification of nadph-dependent electron-transferring flavoproteins and n-terminal protein sequence data of dihydrolipoamide dehydrogenases from anaerobic, glycine-utilizing bacteria.three electron-transferring flavoproteins were purified to homogeneity from anaerobic, amino acid-utilizing bacteria (bacterium w6, clostridium sporogenes, and clostridium sticklandii), characterized, and compared with the dihydrolipoamide dehydrogenase of eubacterium acidaminophilum. all the proteins were found to be dimers consisting of two identical subunits with a subunit mr of about 35,000 and to contain about 1 mol of flavin adenine dinucleotide per subunit. spectra of the oxidized protein ...19902318809
purification and comparative studies of dihydrolipoamide dehydrogenases from the anaerobic, glycine-utilizing bacteria peptostreptococcus glycinophilus, clostridium cylindrosporum, and clostridium sporogenes.three different dihydrolipoamide dehydrogenases were purified to homogenity from the anaerobic glycine-utilizing bacteria clostridium cylindrosporum, clostridium sporogenes, and peptostreptococcus glycinophilus, and their basic properties were determined. the enzyme isolated from p. glycinophilus showed the properties typical of dihydrolipoamide dehydrogenases: it was a dimer with a subunit molecular mass of 53,000 and contained 1 mol of flavin adenine dinucleotide and 2 redox-active sulfhydryl ...19902294086
late infection after total hip replacement, caused by an oral organism after dental manipulation. a case report. 19902295660
the biotin-dependent sodium ion pump glutaconyl-coa decarboxylase from fusobacterium nucleatum (subsp. nucleatum). comparison with the glutaconyl-coa decarboxylases from gram-positive bacteria.membrane preparations of fusobacterium nucleatum grown on glutamate contain glutaconyl-coa decarboxylase at a high specific activity (13.8 nkat/mg protein). the enzyme was solubilized with 2% triton x-100 in 0.5 m nacl and purified 63-fold to a specific activity of 870 nkat/mg by affinity chromatography on monomeric avidin-sepharose. the activity of the decarboxylase was strictly dependent on na+ (km = 3 mm) and was stimulated up to 3-fold by phospholipids. the glutaconyl-coa decarboxylases from ...19902244788
[mitral valve prolapse in infective endocarditis. incidence and characteristics].purpose valve prolapse (mvp) cases, complicated with infective endocarditis (ie), seen at a cardiologic reference hospital.19902260932
cerebral ventriculitis: mr findings.cerebral ventriculitis is an uncommon site and manifestation of infection of the central nervous system. we report the magnetic resonance findings in two patients with cytologic and csf culture proof of ventriculitis. the findings included abnormal signal intensity of the ependyma and csf on t2-weighted images. in addition, ependymal, meningeal, and dural enhancement was seen in one case, on t1-weighted images, after administration of gd-diethylenetriamine pentaacetic acid.19902179305
purification and properties of a nadh-dependent 5,10-methylenetetrahydrofolate reductase from peptostreptococcus productus.the methylenetetrahydrofolate reductase from the carbon-monoxide-utilizing homoacetogen peptostreptococcus productus (strain marburg) has been purified to apparent homogeneity. the purified enzyme catalyzed the oxidation of nadh with methylenetetrahydrofolate as the electron acceptor at a specific activity of 380 mumols.min-1 mg protein-1 (37 degrees c; ph 5.5). the apparent km for nadh was near 10 microm. the apparent molecular mass of the enzyme was determined by gel filtration to be approxima ...19902209595
biliary excretion of glutathione conjugates of 4,5-epoxy-4,5-dihydro-1- nitropyrene and 9,10-epoxy-9,10-dihydro-1-nitropyrene in rats administered 1-nitropyrene orally and their further metabolism in the intestinal tract.1-nitropyrene (1-np), a mutagenic and carcinogenic substance that occurs in the environment, is metabolized by reductive and oxidative pathways. 4,5-epoxy,4,5-dihydro-1-np (1-np 4,5-oxide) and 9,10-epoxy-9,10-dihydro-1-np (1-np 9,10-oxide) are oxidatively activated metabolites of 1-np, and react with glutathione. hplc analysis of biliary metabolites from rats administered [3h]1-np orally showed the presence of glutathione conjugates of 1-np 4,5-oxide and 1-np 9,10-oxide and their metabolites, cy ...19902387025
peptostreptococcus hydrogenalis sp. nov. from human fecal and vaginal flora.we describe peptostreptococcus hydrogenalis sp. nov., which is found in human feces and vaginal discharge. this new species was established on the basis of the results of dna-dna hybridization among anaerobic cocci. the results of different biochemical reactions also are given. the type strain of this species is strain gifu 7662 (= jcm 7635).19902397199
localization and identification of root canal bacteria in clinically asymptomatic periapical pathosis.twenty-one teeth with clinically asymptomatic periapical pathosis (class 3) were extracted and the isolation, identification, and localization of bacteria in the root apex were examined. mixtures involving several bacteria were isolated from more than 60% of the cases. scanning electron microscopy revealed bacterial masses to be associated with the apical part of the root canal, but not with the area of apical foramen or on the surface of root apex. our results indicate that the bacteria in clas ...19902084210
perforated jejunal diverticulum with multiple hepatic abscesses.we have described a patient with multiple hepatic abscesses caused by a perforated jejunal diverticulum with a presumed route of infection via the portal vein. patients with hepatic abscesses and no known source of infection should be evaluated for a contained mesenteric perforation of the gastrointestinal tract. finally, in patients who fail to respond promptly to percutaneous catheter drainage of a liver abscess, a continuing source of infection, such as perforation of a jejunal diverticulum, ...19902105531
antibody response in immunized rabbits measured with bacterial immunoglobulin-binding proteins.protein g, an immunoglobulin (ig)-binding protein isolated from group c or g streptococci, binds to the fc portion of igg. protein l, from the anaerobic bacterium peptostreptococcus magnus, specifically binds light chains of ig. in this study, protein g and l were used to measure the production of antibodies in immunized rabbits. two rabbits were immunized with a mixture of human urinary proteins from a patient with tubular proteinuria, and blood samples were collected regularly from the animals ...19902273256
differential effects of granulocyte-macrophage colony-stimulating factor and granulocyte colony-stimulating factor in children with severe congenital neutropenia.severe congenital neutropenia (scn) is a disorder of myelopoiesis characterized by severe neutropenia secondary to a maturational arrest at the level of promyelocytes. we treated five patients with scn with recombinant human granulocyte-macrophage colony-stimulating factor (rhgm-csf) for 42 days and subsequently, between 1 and 3 months later, with rhg-csf for 142 days. the objective was to evaluate the safety and ability of these factors to elicit a neutrophil response. rhgm-csf was administered ...19901689595
protein l. a bacterial ig-binding protein that activates human basophils and mast cells.peptostreptococcus magnus strain 312 (10(6) to 10(8)/ml), which synthesizes a protein capable of binding to kappa l chains of human ig (protein l), stimulated the release of histamine from human basophils in vitro. p. magnus strain 644, which does not synthesize protein l, did not induce histamine secretion. soluble protein l (3 x 10(-2) to 3 micrograms/ml) induced histamine release from human basophils. the characteristics of the release reaction were similar to those of rabbit igg anti-fc frag ...19901698870
comparative efficacy of cefoperazone, cefoperazone plus sulbactam, ciprofloxacin, clindamycin, metronidazole, and penicillin g against anaerobic bacteria in an animal model.treatment efficacy of various antimicrobial regimens against anaerobes was studied in semipermeable chambers simulating a closed-space, locally neutropenic infection site in rabbits. bacteroides fragilis, bacteroides melaninogenicus, clostridium perfringens, and peptostreptococcus anaerobius were inoculated (at a mean of 5.3 log10 cfu/ml in prereduced pooled rabbit serum) into the chambers (one isolate per chamber) in triplicate. antimicrobial therapy consisted of cefoperazone, cefoperazone plus ...19901967626
summer mastitis in heifers: a bacteriological examination of secretions from clinical cases of summer mastitis in denmark.a total of 166 samples of secretions collected from danish heifers suffering from clinically diagnosed summer mastitis were examined bacteriologically. one hundred and sixty three samples yielded positive findings whereas no growth was obtained from 3 specimens. the majority of samples revealed a mixed flora in which the predominant components were actinomyces pyogenes, peptostreptococcus indolicus, a microaerophilic coccus (stuart-schwan coccus), fusobacterium necrophorum, bacteriodes melaninog ...19901973009
[anaerobic bacteria and their role in recurrent tonsillitis].the presence of anaerobic bacteria in 100 palatal tonsils obtained during the tonsillectomy, was evaluated in quality and in quantity. 17 species of anaerobic bacteria were found. the most frequent were: bacteroides melaninogenicus, peptostreptococcus anaerobius, peptostreptococcus intermedius, propionibacterium, veillonella parvula and peptococcus asaccharolyticus. in most evaluations their density was 10(5)-10(6) in gram of tonsil tissue, sometimes 10(7). its role in recurrent tonsils infectio ...19901981606
the formation of hydrogen sulfide and methyl mercaptan by oral bacteria.the capacity to form volatile sulfur compounds was tested in bacteria isolated from subgingival microbiotas and in a representative number of reference strains. a majority of the 75 tested oral bacterial species and 7 unnamed bacterial taxa formed significant amounts of hydrogen sulfide from l-cysteine. the most active bacteria were found in the genera peptostreptococcus, eubacterium, selenomonas, centipeda, bacteroides and fusobacterium. methyl mercaptan from l-methionine was formed by some mem ...19902082242
[susceptibilities of clinical bacterial isolates to antimicrobial agents. a study mainly focused on imipenem. research group for testing imipenem susceptibility on clinical isolates].we investigated susceptibilities of clinical bacterial isolates to imipenem (ipm) and other antimicrobial agents at 459 hospital laboratories throughout japan from september to december of 1988. in this study, identification and susceptibility testing were performed at each hospital laboratory and the tests were carried out according to the 1-dilution or 3-dilution disc technique in which susceptibilities are classified into 4 grades: , ++, + and -. ipm had significantly high activity against st ...19902086814
an in vitro method to study the adherence of bacteria to saliva-treated tooth enamel in vitro bacterial adherence assay which employed human tooth enamel sections precoated with saliva and an epifluorescent staining technique with acridine orange was developed. the assay was used to study the adherence properties of fresh and type strains of the following oral bacterial species: bacteroides gingivalis, bacteroides intermedius, capnocytophaga species, haemophilus aphrophilus, actinobacillus actinomycetemcomitans, peptostreptococcus species, veillonella species, actinomyces isr ...19902087341
bactericidal effects of human neutrophils and sera on selected endodontic pathogenic bacteria in an anaerobic environment.phagocytosis by normal human neutrophils and the bactericidal activity of normal human pooled serum were measured under anaerobic conditions on six endodontic pathogenic bacterial species from the genera actinomyces, bacteroides, fusobacterium, peptostreptococcus and streptococcus. the results revealed that actinomyces viscosus was not killed either by human neutrophils or by 20 per cent serum; peptostreptococcus anaerobius was not killed by either 20 per cent or 95 per cent serum; and bacteroid ...19902098335
the effect of metronidazole on the anaerobic microorganisms of the root canal--a clinical study.the antibacterial effect of 0.25% metronidazole solution as root canal irrigant on anaerobic bacteria was studied in ten central incisors. each tooth was treated at four appointments, and the presence of anaerobes in the root canal was studied on each occasion. no antibacterial intracanal dressings were used between the appointments. no anaerobes could be recovered from any tooth on the fifth appointment. in the control group, where normal saline was used as an irrigant, anaerobes could be recov ...19902100667
intra-abdominal abscess in children: a 13-year experience.the microbiology of intra-abdominal abscess in children is similar to that of adults--a mixture of aerobes and anaerobes. in abscess specimens taken from 36 children, predominant pathogens were bacteroides fragilis group species, peptostreptococcus species, and escherichia coli.19902120268
suppurative oral candidosis. review of the literature and report of a case.a case of a dento-alveolar abscess due to a polymicrobial infection with a yeast, candida guilliermondii and two other oral bacteria are described. a review of the literature has revealed only a single case of an odontogenic abscess due to candida species and we believe this to be the first report of a dentoalveolar infection where candida guilliermondii is associated as a co-pathogen.19902124592
a rapid diagnosis of anaerobic infection in the oro-maxillary region by gas-liquid chromatography.the relationship between volatile fatty acids (vfas) in pus and infecting bacterial species was examined in order to establish a rapid identification system for anaerobic microorganisms in purulent inflammation in the oro-maxillary region. vfas were detected by the direct injection of pus into gas-liquid chromatography (glc). bacterial examination was carried out by anaerobic culture using blood agar plates. the bacterial identification was carried out mainly according to the vpi manual. analysi ...19902131168
[a microbiologic study on anaerobic bacteremia after dental extraction].it has been known for many years that tooth extraction can cause bacterial dissemination into blood stream, that is, bacteremia. besides endocarditis--causing bacteria, alpha-hemolytic streptococci, anaerobes are involved in the post- extraction bacteremia. they are of clinical importance because they can cause abscesses in the various parenchymatous organs such as the liver, lung, and brain through anachoresis. the purpose of this study is to establish the types of species of anaerobes associat ...19902133345
[morpho-functional characteristics of bacterial species of major importance in endodontic infections].most of the bacteria involved in the endodontic infection can be considered as "highly specific", for they appear to be almost irrelevant in the large field of the other human disease from infection. namely the most important anaerobia responsible for endodontic infection are: bacteroides, fusobacterium, peptostreptococcus, and veillonella. the group of bacteroides is composed by several species with different metabolic and genetic characteristics. they are gram-, non-motile, non-spore-forming r ...19902133812
[significance of the bacterial flora in the etiology of apical periodontitis. qualitative, quantitative and topographical aspects].in the international literature it is shown the central role of root canal infection in the etiology of periapical lesions. as a matter of fact it has been proved (13) that sterile necrotic pulp tissue is completely unable to cause inflammatory reactions at the periapex. infection of endodontic origin extends to the supporting tissues of the tooth only in the case of their acute inflammation (e.g. acute apical periodontitis, acute alveolar abscess, phoenix abscess). on the other hand in chronic ...19902135040
in vitro activity of teicoplanin, vancomycin, a16686, clindamycin, erythromycin and fusidic acid against anaerobic bacteria.the in vitro activity of teicoplanin and a16686, two new glycopeptide antibiotics was determined against 196 isolates of anaerobic bacteria. the activity of teicoplanin and a16686, in comparison with that of vancomycin, clindamycin, erythromycin and fusidic acid was 2 to 16 times higher against the gram positive anaerobes, namely, propionibacterium acnes, clostridium perfringens, clostridium difficile, clostridium species, peptococcus species and peptostreptococcus species. however, bacteroides ...19902139737
characterization of the tet m determinants in urogenital and respiratory bacteria.tetracycline-resistant fusobacterium nucleatum, haemophilus ducreyi, mycoplasma hominis, peptostreptococcus spp., ureaplasma urealyticum, and veillonella parvula had dna sequences which showed homology throughout the length of the tet m transposon, tn916. in contrast, gardnerella vaginalis, commensal neisseria spp., and the 25.2-megadalton plasmid family lacked the complete transposon.19902159259
[improving the clinico-microbiological diagnosis and treatment of non-clostridial anaerobic peritonitis].on the basis of clinico-microbiological examinations the presence of anaerobic flora was found in 104 out of 198 patients with peritonitis. the authors propose using intra-aortal++ transfusions of oxygenated blood in complex therapy of anaerobic peritonitis.19902175490
transferable tet m in fusobacterium nucleatum.two tetracycline-resistant fusobacterium nucleatum strains were able to transfer, by conjugation, tetracycline resistance and the tet m determinant to recipient f. nucleatum, peptostreptococcus anaerobius, and enterococcus faecalis strains at a frequency of 10(-1) to 10(-8).19902178339
[a case of cervico-mediastinal abscess, secondary to acute tonsillitis: investigation of the treatments].no other infectious diseases in the field of otolaryngology cause rapid and lethal course than cervical abscess. a case of cervicomediastinal abscess secondary to acute tonsillitis was presented. the patient was a 43-year-old male with liver cirrhosis and primarily had the treatment of tonsillitis. the complication of duodenal perforation caused marked general deteriotation, and cervical abscess occured. immediately after transfer to our department, he was treated by cervical drainage, laparotom ...19902213351
recolonization of the subgingival microflora after scaling and root planing in human periodontitis.the purpose of this study was to evaluate the recolonization patterns of the subgingival microflora of adult periodontitis patients after a single session of scaling and root planing. in each of eight patients, three clinically diseased sites were investigated microbiologically by darkfield microscopy and cultural analysis. after initial clinical and microbiological parameters were determined, each subject received a single session of scaling and root planing but no oral hygiene instructions. cl ...19902213468
septic shock complicating drainage of a bartholin gland abscess. 19902216255
formation of amphetamine from its nitro analogue by anaerobic intestinal bacteria.1. microbial reduction of 1-phenyl-2-nitropropane 1 was carried out using 40 strains of intestinal anaerobic bacteria. among them, 12 strains (mitsuokella multiacidus, clostridium perfringens, c. innocuum, c. clostiriiforme, c. difficile, c. butyricum, c. sp., eubacterium limosum, e. aerofaciens, e. multiforme, peptostreptococcus anaerobius and p. productus) had the ability to reduce 1 to amphetamine 2 (0.1-1% yield). 2. clostridium species were more active than another intestinal anaerobic bact ...19902219956
use of modified norleucine-tyrosine broth in identification of peptostreptococcus anaerobius.gas-liquid chromatography was employed to analyze the volatile and nonvolatile acids produced in modified norleucine-tyrosine (mnt) broth by various gram-positive cocci. the mnt broth consists of 0.5% trypticase (bbl microbiology systems, cockeysville, md.), 0.5% yeast extract (difco laboratories, detroit, mich.), 0.2% l-norleucine, and 0.1% l-tyrosine. the microorganisms included reference strains and clinical isolates of peptostreptococcus spp. (p. anaerobius, p. asaccharolyticus, p. indolicus ...19902229394
impending rupture of nonaneurysmal bacterial aortitis: ct diagnosis.the ct appearance of mycotic abdominal aortic aneurysms leading to eventual rupture has been well described. on the other hand, ruptured nonaneurysmal bacterial aortitis has not been demonstrated in the ct literature. we present two cases with subsequent rupture documented on ct. the characteristic findings of periaortic density and adjacent gas collection should suggest the diagnosis of acute aortic infection. this may herald impending rupture, even in the absence of aneurysmal dilatation, and ...19902229573
[a clinical study on ceftazidime in the treatment of intractable respiratory infections].ceftazidime (caz) was administered to 51 patients (37 males, 14 females) with respiratory infections including severe cases, accompanied by various underlying respiratory diseases. the clinical efficacy and side effects of caz were investigated. the mean age and body weight of these 51 cases were 62.6 years and 48.0 kg, respectively. caz was administered by intravenous drip infusion (daily dose of 2-4 g) for a mean of 14.7 days to a mean total dose of 56.7 g. clinical efficacy rates were 64% (18 ...19902232147
isolation and identification of anaerobic bacteria from ovine foot rot in spain.a microbiological study was made of 125 merino sheep showing clinical signs of foot rot. a total of 435 strictly anaerobic strains were isolated, belonging to the following genera: bacteroides, peptostreptococcus, tissierella, fusobacterium, megasphaera, eubacterium, acidaminococcus, clostridium, peptococcus and propionibacterium. of the 35 species obtained, the following were found in more than 10 per cent of animals sampled: bacteroides nodosus, b putredinis, b buccae, b ruminicola subspecies ...19902236925
aerobic and anaerobic bacteriology of wounds and cutaneous abscesses.the aerobic and anaerobic microbiologic characteristics of 584 wounds and 676 skin or soft-tissue abscesses were studied and correlated with the infection site. in wounds, aerobic or facultative bacteria only were present in 223 specimens (38%), anaerobes only in 177 specimens (30%), and mixed flora in 184 specimens (32%). in total there were 1470 isolates, 558 aerobic and 912 anaerobic, an average of 2.5 isolates per wound (1.6 anaerobic and 0.9 aerobic isolates). in abscesses, aerobic or facul ...19902241555
etiology and treatment of post-cesarean-section endometritis after cephalosporin describe the microbiologic etiology of post-cesarean endometritis developing after perioperative cephalosporin prophylaxis, endometrial samples were obtained from 27 women with a triple-lumen catheter. the women were assigned in a double-blind, randomized fashion to receive either ticarcillin/clavulanate, 3.1 g, or cefoxitin, 2 g, administered every six hours, until the clinical signs of infection resolved. a total of 149 microorganisms (84 facultative and 65 obligate anaerobes) were recovere ...19902181119
parietal lobe abscess after routine periodontal recall therapy. report of a case.this paper reports on a case of a 70-year-old physician diagnosed with a parietal lobe abscess following such treatment. after stereotactic biopsy and drainage and a 6-week course of intravenous antibiotic treatment, the patient recovered with minimal neurologic deficits. although brain abscesses are not commonly encountered in practice, clinicians must be aware of the potential virulence of the anaerobic components of the periodontal pocket and the possibility of resulting systemic infection, w ...19902182824
optimum therapy for acute pelvic inflammatory disease.neisseria gonorrhoeae is responsible for about one-third to one-half of cases of acute pelvic inflammatory disease (pid), although there is considerable geographical variation. chlamydia trachomatis is also an important aetiological agent, and is currently isolated 4 times more commonly from the cervix than the gonococcus. however, it is now clear that acute pid is polymicrobial in aetiology. even when n. gonorrhoeae and/or c. trachomatis are isolated from the endocervix, anaerobes such as bacte ...19902190794
susceptibility of oral bacteria to phenoxyethanol and phenoxyethanol/chlorhexidine combinations.a total of 57 bacterial strains (26 different species) which may be isolated from subgingival plaque were tested for their in vitro susceptibility to phenoxycthanol, a commonly-used antiseptic and preservative. ninety-five percent of the strains, including those associated with chronic inflammatory periodontal disease, were susceptible to concentrations of phenoxyethanol used topically (2% w/v). phenoxyethanol at a concentration of 1% (w/v) was also found that to have a rapid bactericidal effect ...19902202809
[asporogenic anaerobic empyema--clinical and bacteriological investigations of 31 patients with anaerobic empyema].the author reviewed the records of 31 patients with asporogenic anaerobic empyema mostly seen in the wards of internal medicine, juntendo university hospital during the 27 years between 1961 and 1988, and obtained the following results. 1. there were 25 males and 8 females with an average age of 57.8 and 51.0 y/o (range, 25 to 79 y/o), respectively males more than forty years old occupied 74.2 percent of all cases. 28 patients (90%) had underlying conditions. 2. the cases of mixed infections wit ...19902258645
Displaying items 701 - 800 of 2255