| associations between microbial species in dental root canal infections. | the existence of commensal or antagonistic relationships between microorganisms in the root canals of teeth with apical periodontitis was investigated. samples were taken from 65 infected human root canals and were analysed according to species, frequency of occurrence and proportion of the total isolated flora. the most frequent species were fusobacterium nucleatum, prevotella intermedia, peptostreptococcus micros, peptostreptococcus anaerobius, eubacterium alactolyticum, eubacterium lentum and ... | 1992 | 1494447 |
| fecal steroids and bacterial flora in patients with polyposis coli. | fecal neutral and acid steroids and bacterial flora have been studied in a series of patients with polyposis coli and normal controls. the patients with polyposis coli showed a higher concentration of cholesterol and primary bile acids, which increased still more after ileorectostomy. the bacterial flora of the patients with polyposis coli showed an anaerobe/aerobe ratio of 2.7/1 with a relative increase in clostridia and bifidobacteria and decrease in eubacteria and bacteroides. after ileorecto ... | 1976 | 1247152 |
| [pharmacokinetic, bacteriological, and clinical studies on panipenem/betamipron in children]. | pharmacokinetic, bacteriological and clinical studies were performed on panipenem/betamipron (papm/bp) in children. the results are summarized as follow: 1. twelve patients with various bacterial infectious diseases were treated with papm/bp. each dose was 20 mg/20 mg/kg, administered 3 times daily, in 30-minute intravenous drip infusion. treatments were continued for 5-22 days. clinical efficacies of papm/bp in 12 patients with bacterial infections (1 with suspected sepsis, 5 with pneumonia, 1 ... | 1992 | 1512926 |
| comparative evaluation of the metabolic potentials of different strains of peptostreptococcus productus: utilization and transformation of aromatic compounds. | three strains of peptostreptococcus productus were tested for growth at the expense of methoxylated aromatic compounds. strain m8a-18 (human fecal isolate) was unable to utilize methoxylated aromatic compounds. while the type strain atcc 27340 (human septicemia isolate) was capable of minimal growth with methoxylated aromatic compounds, atcc 35244 (sewage sludge isolate) displayed significant growth on methoxylated aromatic compounds. methoxylated phenols, benzoates, benzyl alcohol and phenylacr ... | 1992 | 1521774 |
| [antimicrobial activities of ceftriaxone against clinically isolated strains]. | antibiotic activities (mics) of ceftriaxone (ctrx) against 1,210 strains of bacteria including 28 spp. isolated in 1987 and 1990 were compared with those of other cephems. 1. when compared to data on clinically isolated strains reported in the early 1980s, strains of the following species isolated in 1990 showed extremely elevated mic90s of ctrx: staphylococcus spp., streptococcus pneumoniae, escherichia coli, citrobacter spp., enterobacter spp., serratia spp., proteus vulgaris, morganella morga ... | 1992 | 1522669 |
| human fecal flora: variation in bacterial composition within individuals and a possible effect of emotional stress. | data are presented on the distribution of 101 bacterial species and subspecies among 1,442 isolates from 25 fecal specimens from three men on: (i) their normal diet and normal living conditions, (ii) normal living conditions but eating the controlled metabolic diet designed for use in the skylab simulation and missions, and (iii) the skylab diet in simulated skylab (isolation) conditions. these bacteria represent the most numerous kinds in the fecal flora. analyses of the kinds of bacteria from ... | 1976 | 938032 |
| enumeration of subgingival species on primary isolation plates using colony lifts. | this study evaluated the feasibility of using a colony lift method and dna probes to enumerate bacterial species cultured on primary isolation plates. fourteen digoxigenin-labeled whole chromosomal dna probes representing 12 subgingival species were validated by hybridization with colony lifts prepared from 249 reference strains of 51 species grown on trypticase soy agar plates supplemented with 5% sheep blood. colonies of reference strains were lifted onto nytran filters from plates and treated ... | 1992 | 1528619 |
| serum igg reactive with oral anaerobic microorganisms associated with infections of endodontic origin. | numerous species of bacteria have been implicated with infections of endodontic origin. the purpose of this study was to compare the levels of serum igg antibodies reactive with a panel of 10 oral anaerobic microorganisms implicated in infections of endodontic origin. serum samples were collected from 4 patient groups that included healthy patients without endodontic or periodontal disease, patients with chronic adult periodontal disease, patients with endodontic disease and patients with combin ... | 1992 | 1528630 |
| predominant obligate anaerobes in human periodontal pockets. | this study was carried out to investigate the predominant anaerobic bacteria of periodontal pockets in patients with advanced periodontitis, who had no previous treatment other than supragingival scaling, no history of recent or chronic systemic illness, nor any intake of antibiotics within 6 weeks prior to bacteriological sampling. care was taken not to ignore tiny-colony-forming anaerobes, by means of a stereoscope and an anaerobic glove box system. out of 422 (100%) isolates, 380 (90%) were o ... | 1992 | 1531505 |
| in vitro activities of three semisynthetic amide derivatives of teicoplanin, mdl 62208, mdl 62211, and mdl 62873. | mdl 62208, mdl 62211, and mdl 62873 are three semisynthetic amide derivatives of teicoplanin (mdl 62208 is an amide of teicoplanin aglycone, mdl 62211 is an amide of the teicoplanin a2 complex, and mdl 62873 is the corresponding derivative of peak a2-2 of the complex). the three semisynthetic glycopeptides were evaluated for in vitro antibacterial activity in comparison with the parent drug (teicoplanin) and vancomycin. a variety of gram-positive bacteria of clinical origin, whose species were c ... | 1992 | 1534977 |
| diagnosis and management of parotitis. | of all the salivary glands, the parotid gland is most commonly affected by an inflammatory process. infections of the parotid gland range from acute to severe. assessment of the disease process should differentiate local primary parotid infection from systemic infection when this gland is also involved as part of a generalized inflammatory condition. viral parotitis can be caused by paramyxovirus (mumps), epstein-barr virus, coxsackievirus, and influenza a and parainfluenza viruses. acute suppur ... | 1992 | 1571113 |
| anaerobic bacteria from the large intestine of mice. | anaerobic bacteria from the colon of laboratory mice were enumerated and isolated using strict anaerobic techniques. direct microscopic counts revealed 4.4 x 10(10) organisms in each gram (wet weight) of colon contents. actual cultural counts averaged 3.2 x 10(10) organisms, which was 73% of the direct microscopic count. the tentatively identified genera were bacteroides, eubacterium, fusobacterium, lactobacillus, peptostreptococcus, and propionibacterium. strains of fusobacterium, lactobacillus ... | 1976 | 938042 |
| kinetics and catalytic properties of coenzyme a transferase from peptostreptococcus elsdenii. | coenzyme a (coa) transferase from peptostreptococcus elsdenii was purified to homogeneity, and some of its physical and catalytic properties were determined. the native enzyme has a molecular weight of 181,000 and is composed of two alpha subunits (molecular weight, 65,000) and one beta subunit (molecular weight 50,000). heat treatment of the crude cell extract to 58 degrees c causes proteolysis of the native enzyme and yields a catalytically active enzyme with an approximate molecular weight of ... | 1976 | 977540 |
| the effect of amoxycillin on vaginal colonization resistance and normal vaginal flora in monkeys. | previous studies have shown that vaginal colonization resistance in monkeys can be eliminated by amoxycillin and restored by flushing vaginal flora from a healthy monkey into the vagina of a monkey colonized with escherichia coli. the hypothesis that the effect of amoxycillin resulted from elimination of parts of the normal flora was tested in the present study. nine monkeys were flushed vaginally with amoxycillin daily for six days. the number of anaerobic bacteria decreased during amoxycillin ... | 1992 | 1592701 |
| necrotizing fasciitis of the vulva. | we attempted to characterize the natural history of necrotizing fasciitis of the vulva. | 1992 | 1595786 |
| [brain abscess secondary to pulmonary arteriovenous malformation, case report (author's transl)]. | a case of brain abscess in the right parietal lobe secondary to pulmonary arteriovenous malformation of the right lung is presented. a 27-year-old man was admitted for headache and left homonymous hemianopsia. cag, vag and brain scan detected brain abscess of the right parietal lobe which was successfully removed surgically. he had been noted to have generalized cyanosis and club finger which corresponded to polycytemia and hypercapnia on examination. subsequently pulmonary arteriovenous malform ... | 1976 | 988496 |
| anaerobic infections in children: a prospective study. | the prevalence and significance of anaerobic infections in patients at st. louis children's hospital were studied prospectively for a one-year period. blood, selected body fluids, and aspirates obtained from abscesses or areas of cellulitis were cultured using special anaerobic collection and processing techniques. infected peritoneal fluid from patients with gastrointestinal disease yielded a large proportion of all anaerobic isolates. the types of organisms isolated were common inhabitants of ... | 1976 | 1256941 |
| modulation of human neutrophil adherence by oral bacteria. | polymorphonuclear neutrophils (pmns) comprise over 90 per cent of leukocytes in the oral cavity. although these phagocytic cells have primary defence roles in the gingiva, their stimulation by micro-organisms may also cause substantial tissue damage due to the release of lysosomal enzymes and oxygen radicals. adherence of pmns to the endothelium and their subsequent diapedesis and egress to areas of infection are considered early vital events in the inflammatory process. in this study, oral bact ... | 1992 | 1605750 |
| prosthetic valve endocarditis and paravalvular abscess caused by peptostreptococcus magnus. | | 1992 | 1617069 |
| long-chain fatty acids of peptococci and peptostreptococci. | the long-chain fatty acids extracted from the whole cells of 12 clinically significant species of peptococci and peptostreptococci were characterized by gas-liquid chromatography. the resulting methylated fatty acid profiles (and some unidentified compounds) of 82 strains allowed the 12 species to be separated into four groups. fifteen strains of peptostreptococcus anaerobius were placed in group i because they had a unique, prominent compound that occurred in the area where a c8 to c10 fatty ac ... | 1976 | 1002830 |
| antibiotic treatment of oral anaerobic infections. | | 1975 | 1056466 |
| resistance of peptostreptococcus spp. to macrolides and lincosamides: inducible and constitutive phenotypes. | the activities of erythromycin and clindamycin against 350 peptostreptococcus strains were studied during a 5-year period (1986 to 1991). in 5.1% of the peptostreptococcus strains, which presented dissociated resistance (clindamycin mic, less than or equal to 1 microgram/ml; erythromycin mic, greater than 8 micrograms/ml), evidence of inducible macrolide-lincosamide resistance was shown. a total of 17.7% of the strains presented a constitutive phenotype; the clindamycin and erythromycin mics for ... | 1992 | 1622181 |
| [pyogenic liver abscess. its exclusive treatment with antibiotics]. | | 1992 | 1626100 |
| [an increased incidence of bacterial endocarditis in chronic inflammatory bowel diseases]. | of 92 consecutive patients treated for proven native valve endocarditis three had ulcerative colitis and 2 crohn's disease. all 5 patients developed severe complications; three had to undergo emergency valve replacement. with a prevalence of 64.1/10(5) cases of inflammatory bowel disease the calculated incidence (5/92) revealed a significant over-representation of inflammatory bowel disease among patients with proven endocarditis (p less than 5.08 x 10(-9)). possible explanations may be the supp ... | 1992 | 1636271 |
| contrast-enhanced magnetic resonance imaging of sub- and epidural empyemas. | contrast-enhanced magnetic resonance images (mri) of three patients with subdural (sde) and two with epidural empyemas (ede) were reviewed. in each case, the capsule of the lesion demonstrated enhancement, and distinction between capsule and contents was obvious on contrast-enhanced images. in sde, contrast-enhanced images clearly depicted thickening of the neighbouring dura mater and a co-existent brain abscess. in ede, part of the displaced dura mater did not enhance, which facilitated differe ... | 1992 | 1359449 |
| anaerobic bacterial infections causing osteomyelitis/arthritis in a dog. | a 3-year-old german shepherd dog was examined for lameness, signs of pain, swelling, a draining fistulous tract, and osteolysis after a dog bite on the left carpus. after failure of the lesion to respond to several antibiotics, peptostreptococcus sp and propionibacterium sp were isolated from swab specimens and then from surgically collected bone and soft tissue specimens. the bone fragments had mild purulent osteomyelitis associated with numerous gram-positive rods and cocci. the dog was succes ... | 1992 | 1399798 |
| [strict anaerobic bacteria: comparative study of various beta-lactam antibiotics in combination with tazobactam or sulbactam]. | the minimal inhibitory concentrations of piperacillin (pip) or cefotaxime (ctx) alone or in combination with tazobactam (taz) were determined against 168 anaerobes. all the strains were inhibited by pip + taz, but certain strains resistant to ctx + taz were found among b. fragilis, eubacterium and peptostreptococcus. the second investigations included 30 strains of bacteroides fragilis. concentrations of 2, 4 and 8 mg/l of taz and sulbactam (sul) were combined with piperacillin or cefotaxime. th ... | 1991 | 1652729 |
| subgingival microflora of advanced periodontitis in the dominican republic. | a study of the predominant subgingival microflora was carried out in 24 periodontitis patients, 18 to 60 years of age, in santo domingo, dominican republic. paper point sampling, transport in vmga iii, and conventional microbiological techniques were utilized. direct microscopic examination revealed that cocci and nonmotile organisms made up 85% of the total organisms and spirochetes as little as 3%. nonselective culturing showed gram-negative organisms to constitute 53% of total isolates. fusob ... | 1991 | 1658290 |
| relation of baseline microbial parameters to future periodontal attachment loss. | the relationship between the level of subgingival species at baseline and subsequent attachment loss in a subject was examined. 38 subjects (14-71 years) with prior evidence of periodontal destruction were monitored 2x for pocket depth and attachment level at 6 sites per tooth at baseline and 2 months. a subject was considered to exhibit new attachment loss if 1 or more sites increased 3 mm or more in attachment level in 2 months. subgingival plaque samples were taken at the baseline visit from ... | 1991 | 1661304 |
| in-vitro activity of temafloxacin against anaerobic bacteria: a comparative study. | the antimicrobial activity of temafloxacin for 328 anaerobic bacteria was determined and compared to that of cefotetan, cefoxitin, ciprofloxacin and metronidazole. the wadsworth agar dilution technique using brucella-lysed sheep blood agar was used throughout. at the recommended breakpoint concentration 4 mg/l, temafloxacin inhibited 60/62 (97%) of the isolates of bacteroides fragilis and 82/87 (94%) of the isolates of other species of the b. fragilis group. ninety-six percent of the 24 isolates ... | 1991 | 1664827 |
| [anaerobes in infected canals: a preliminary study]. | anaerobes of 17 infected canals with periapical periodontitis were studied. most of root flora were not only anaerobes but also aerobes. anaerobes were predominant in chronic periapical periodontitis. major anaerobes isolated from canals were peptostreptococcus, b. melaninogenicus and b. oralis. the chi-square results indicated that the peptostreptococcus were significantly related to apical radiolucency and b. melaninogenicus were significantly related to percussion or foul smell. animal experi ... | 1991 | 1674465 |
| percutaneous drainage of lung abscess in a malnourished child. | | 1991 | 1676504 |
| enzymatically active peptostreptococcus magnus: association with site of infection. | fifty-four strains of peptostreptococcus magnus (11 were recovered from abdominal infections, 18 were from nonpuerperal breast abscesses, and 21 were from diabetic foot infections; the type strain and three other strains were from the american type culture collection, rockville, md.) and the type strain of peptostreptococcus micros were tested for their ability to produce various enzymes, including catalase, hippurate hydrolase, serine dehydratase, threonine dehydratase, collagenase, gelatinase, ... | 1992 | 1400997 |
| the importance of the anaerobic bacteria in paranasal sinusitis. | the anaerobic examination of the material, obtained by 100 antral punctures, in 66 patients with paranasal sinusitis, showed the importance of the anaerobic bacteria. in 33% we found anaerobes: 12% of the cultures were pure anaerobic, 21% were mixed aerobic-anaerobic. the most frequent anaerobe is the peptostreptococcus. anaerobic cultures are more frequently found in the unilateral cases of paranasal sinusitis. the presence of anaerobes does not seem to be dependent on the patient's age, the du ... | 1975 | 1224138 |
| [homogenous population of specific igg antibodies in 2 patients with infectious disease characterized by a protracted course]. | | 1975 | 1233778 |
| abnormal intracerebral thallium localization in a bacterial brain abscess. | a 56-yr-old man with a prior history of renal cell carcinoma had moderately intense abnormal localization of 201tl-chloride in a solitary brain lesion which was discovered to be a bacterial abscess. the organisms isolated by culture included actinomycosis odontolyticus, peptostreptococcus and hemophilus aphrophilus. because of the clinical presentation, mri characteristics and thallium scintigraphic findings, the lesion had been felt to represent either a primary or a metastatic neoplasm. this c ... | 1992 | 1432164 |
| diagnosis and management of anaerobic infections of the head and neck. | anaerobic bacteria are important pathogens in head and neck infections such as chronic otitis media, chronic sinusitis, chronic mastoiditis, head and neck abscesses, cervical adenitis, parotitis, and postoperative infection. bacteroides sp (bacteroides melaninogenicus group, bacteroides oralis, and bacteroides fragilis group), peptostreptococcus sp, and fusobacterium sp predominate. the observed recent increase in the number of beta-lactamase-producing strains of bacteroides sp isolated in head ... | 1992 | 1728904 |
| changes in the microbial flora of airline headset devices after their use. | the bacterial flora of 20 headset devices were evaluated before and after they were worn for 1 hour. bacteria were recovered from all headsets, and their number increased from a mean (+/- standard deviation) of 60 +/- 5 organisms per device to 650 +/- 51 organisms per device (p less than .001). the predominant organisms recovered were staphylococcus spp, streptococcus spp, propionibacterium spp, and peptostreptococcus spp. this study demonstrates the presence of potential pathogens in headset de ... | 1992 | 1731163 |
| aerobic and anaerobic microbiology of external otitis. | microbiological and clinical data from 46 patients with external otitis were retrospectively evaluated. specimens were processed for isolation of aerobic and anaerobic bacteria. a total of 42 aerobic bacteria, 22 anaerobic bacteria, and 3 candida albicans organisms were recovered. aerobic bacteria only were isolated from 31 patients (67%), anaerobic bacteria only were isolated from 8 (17%), and mixed aerobic and anaerobic bacteria were isolated from 4 (9%). c. albicans alone was recovered from t ... | 1992 | 1457667 |
| multicentre study on antibiotic susceptibilities of anaerobic bacteria to cefoperazone-sulbactam and other antimicrobial agents. | the antibiotic susceptibilities of 241 anaerobic bacteria recovered from six geographic sites in north america were tested by agar dilution to cefoperazone-sulbactam and other drugs. of the 189 bacteroides fragilis group isolates, only one was resistant to cefoperazone-sulbactam (0.5%) or ampicillin-sulbactam (0.5%), and none was resistant to ticarcillin-clavulanate or chloramphenicol. no resistance to cefoperazone-sulbactam was observed among the other bacteroides spp., clostridium spp., or pep ... | 1992 | 1737725 |
| the relationship of hydrogen peroxide-producing lactobacilli to bacterial vaginosis and genital microflora in pregnant women. | lactobacilli provide an important microbial defense against genital colonization by pathogens. the role of hydrogen peroxide (h2o2) in the control of genital microflora was explored in a cross-sectional study of 275 women in the second trimester of pregnancy. vaginal cultures were obtained for detection of h2o2-positive and h2o2-negative lactobacilli and other members of the genital microflora. compared with women with h2o2-negative lactobacilli, women colonized by h2o2-positive lactobacilli wer ... | 1992 | 1738516 |
| prospective study of blood culture during transesophageal echocardiography. | to ascertain the incidence and significance of bacteremia associated with transesophageal echocardiography (tee), 132 consecutive patients (aged 17 to 73 years) free of apparent infection who were undergoing 135 transesophageal echocardiographic procedures from october 1990 to august 1991, were prospectively studied. for each procedure, two sets of blood cultures were obtained for culture 30 to 60 minutes before tee, immediately after, and 180 to 240 minutes after the procedure. for each blood c ... | 1992 | 1462911 |
| bacterial vaginosis. | bacterial vaginosis (bv) is the most common of the vaginitides affecting women of reproductive age. it appears to be due to an alteration in the vaginal ecology by which lactobacillus spp., the predominant organisms in the healthy vagina, are replaced by a mixed flora including prevotella bivia, prevotella disiens, porphyromonas spp., mobiluncus spp., and peptostreptococcus spp. all of these organisms except mobiluncus spp. are also members of the endogenous vaginal flora. while evidence from tr ... | 1991 | 1747864 |
| the microflora of periodontal sites showing active destructive progression. | 20 adult periodontitis (ap) subjects were examined every 2 to 4 months and microbiological samples were collected and cultured when 2 mm or more loss of attachment (active sites) was detected by 2 examiners. similar sites in which no progressive destruction was observed (control sites) also were sampled in the same subjects. by lambda-analysis, there was no statistically significant difference in floras of active (42 sites from 12 subjects) and control (36 sites from 12 subjects) sites or betwee ... | 1991 | 1752997 |
| prevention of malodor from intraoral gauze tamponade with the topical use of clindamycin. | azulene ointment with a small dose of clindamycin was used topically in eight patients with maxillary cancer with the intent to inhibit the malodor that originates from a gauze tamponade applied to the postoperative maxillary bony defect. the malodor was either markedly decreased or eliminated in all cases. concurrent with the decrease or elimination of the malodor, anaerobic microorganisms such as bacteroides and peptostreptococcus, which are considered to be involved in the generation of malod ... | 1992 | 1508511 |
| peptostreptococcus micros in human periodontitis. | peptostreptococcus micros is a recognized pathogen in medical infections, and its association with progressive periodontitis was examined in this study. p. micros was isolated from paper-point subgingival samples on anaerobic enriched blood agar plates and identified on the basis of cellular and colonial morphology and selected biochemical tests. in a cross-sectional study involving 907 people with advanced adult periodontitis, 127 with early-onset periodontitis, and 12 with localized juvenile p ... | 1992 | 1528618 |
| [analysis of 98 cases of thoracic empyema]. | ninety-eight cases of empyema thoracis admitted to juntendo university hospital between 1979 and 1990 were reviewed. males accounted for 78 cases and females 20 cases. thirteen pediatric patients ranged in age from 17 days to 4 years, while the 85 adult cases ranged from 16 to 89 years (mean: 58.4 years). the mortality rate increased with age. fifty-three cases of community-acquired empyema thoracis consisted of 24 with no underlying disease (including 13 pediatric cases), and 29 with diabetes m ... | 1991 | 1783810 |
| [bacteriological examination of infections in the field of oral surgery]. | etiology of bacterial infections in the field of oral surgery was studied. a total of 270 samples collected from patients with encapsulated abscess in their oral cavities was examined and bacteria were isolated from the 244 samples (90.4%). the following results were found; 1) organisms more than one from one sample were frequently isolated from cases with parodontitis, pericoronitis and gnathitis. isolation of anaerobic bacteria was common (54.2%). 2) streptococcus milleri and streptococcus san ... | 1991 | 1791332 |
| comparative in vitro activity of cefpodoxime against anaerobes other than bacteroides fragilis. | to assess the in vitro activity of cefpodoxime against anaerobic respiratory tract and oropharyngeal pathogens 77 strains belonging to 18 gram-negative and 7 gram-positive species were studied by means of agar dilution tests. for comparison cefuroxime, amoxicillin, amoxicillin + clavulanic acid and clindamycin were also tested. cefpodoxime was found to be active at concentrations of less than or equal to 0.125 mg/l against prevotella oralis, prevotella buccalis, prevotella bivia, porphyromonas a ... | 1991 | 1800380 |
| normal vaginal aerobic and anaerobic bacterial flora of the rhesus macaque (macaca mulatta). | the most common bacterial species isolated from the vaginas of 37 healthy rhesus macaques were streptococcus viridans, coagulase negative staphylococcus, mobiluncus curtisii ss. curtisii, corynebacterium renale-like organisms, peptostreptococcus anaerobius, gardnerella-like organisms, and other corynebacterium species. the vaginal flora of the rhesus macaque differs from that previously reported for five other primate species. a two-year retrospective review of clinical cases of vaginitis and me ... | 1991 | 1803013 |
| [effects of antibiotics and anti-bacterial components of preparations for local treatment of suppurative wounds on pathogens of odonto- genic infections]. | the results of identification and sensitivity assay of 156 strains of pathogens causing odontogenic infections are presented. in the sensitivity assay antibacterial drugs were used. 42.3 percent of the strains were obligate anaerobes belonging to bacteroides, fusobacterium, peptococcus, peptostreptococcus, veillonella and actinomyces. significant differences in the microbial sensitivity to the drugs used for general and local therapy were detected. there was observed high sensitivity of the obli ... | 1991 | 1805697 |
| [empyema due to an anaerobic streptococcus in childhood]. | anaerobic infections are quite rare in pediatric age, being that, they affect only neonates and immunodepressed patients. we think to be somewhat interesting to describe the case of our patient, a 9 year old boy, unaffected by any predisposing factor, came under our observation because of a severe respiratory distress. he showed evident clinical and radiological signs of pleural effusion in the right lung, together with a gas coil in the upper field and a left mediastinal shifting. a thoracentes ... | 1991 | 1806927 |
| bacteria in the apical 5 mm of infected root canals. | ten freshly extracted teeth which had carious pulpal exposures and periapical lesions contiguous with the root apex were placed inside an anaerobic chamber and the apical 5 mm of the root canals cultured. in addition to anaerobic incubation, duplicate cultures were incubated aerobically. fifty strains of bacteria from the 10 root canals were isolated and identified. the most prominent bacteria cultured from the 10 root canals were actinomyces, lactobacillus, black-pigmented bacteroides, peptostr ... | 1991 | 1809801 |
| formation of nitrogen-containing metabolites from geniposide and gardenoside by human intestinal bacteria. | during the course of our studies on the metabolism of iridoid glycosides by human intestinal bacteria, we found that geniposide (1) and gardenoside (4) were transformed to new nitrogen-containing compounds, genipinine (3) and gardenine (6), respectively, along with the known aglycones. although the amounts of new metabolites were somewhat lower than those of the aglycones, they were quantitatively analyzed by means of liquid chromatography/mass spectrometry (lc/ms). of 25 strains of human intest ... | 1991 | 1818345 |
| predominant cultivable flora in pericoronitis. | the predominant cultivable flora in pericoronitis was investigated by culturing pus from affected sites in 20 patients. twenty colonies were picked at random from non-selective plates and identified using conventional biochemical and physiological tests, analysis of metabolic end-products by gas chromatography and protein profile analysis. the most frequently isolated organisms were prevotella (bacteroides) intermedia, peptostreptococcus micros, veillonella species, fusobacterium nucleatum and s ... | 1991 | 1820571 |
| native valve infective endocarditis in adults--analysis of 32 consecutive cases over a ten-year period from 1980 to 1989. | thirty-two patients with native valve infective endocarditis who presented over a 10-year period at our hospital were analyzed retrospectively. the presenting symptom was a persistent fever in 22 patients. in 30 patients, the new york heart association functional class was less than ii before the development of endocarditis. blood cultures were positive on all occasions in 24 out of 29 culture-positive patients. all of the viridans streptococci, accounting for 79% of the isolated pathogens, were ... | 1991 | 1829492 |
| microbial risk indicators for periodontal attachment loss. | | 1991 | 1831856 |
| clinical and microbiological findings on newly inserted hydroxyapatite-coated and pure titanium human dental implants. | the clinical and microbiologic features of 30 hydroxyapatite-coated root-form endosseous dental implants (tri-stage) were compared to 10 similar pure titanium implants without hydroxyapatite coatings. in 7 of 9 partially edentulous patients studied, pure titanium fixtures were placed adjacent to hydroxyapatite-coated implants. implants in the maxilla were submerged beneath mucosal tissues after implant placement for a minimum of 6 months, and in the mandible for at least 4 months. all patients w ... | 1991 | 1843465 |
| microbial differences in 2 clinically distinct types of failures of osseointegrated implants. | the microflora associated with osseointegrated implants suspected of failing from infection or trauma were evaluated. of 75 patients examined, 11 demonstrated failing fixtures. 22 of 48 fixtures failed in 6 fully edentulous patients and 10 of 34 failed in 5 partially edentulous patients. the etiology of failure was attributed to infection if there was bleeding, suppuration, pain, high plaque and gingival indices and granulomatous tissue upon surgical removal. traumatic etiology was suspected in ... | 1991 | 1843467 |
| anaerobic pathogenesis: collagenase production by peptostreptococcus magnus and its relationship to site of infection. | fifty isolates of peptostreptococcus magnus from intraabdominal sepsis, nonpuerperal breast abscess, and diabetic foot infections were examined for collagenase activity using bovine type i collagen. collagenase production was detected in a higher percentage of strains from nonpuerperal breast and diabetic foot specimens (p less than .001). this enzyme may be responsible for p. magnus playing a more central role in the pathogenesis of nonpuerperal breast abscess and diabetic foot disease than in ... | 1991 | 1850443 |
| bacteriological investigations of clinical mastitis in heifers in sweden. | bacterial analyses were carried out of 2069 udder secretions, isolated from 1481 heifers with mastitis in eight veterinary districts in sweden. streptococci, e.g. streptococcus dysgalactiae and str. uberis, dominated the bacterial flora, being isolated from 34.4 and 19.5% respectively of heifers with clinical mastitis occurring from puberty up to 14 d post partum. bacterial species generally regarded as important pathogens in the summer mastitis complex, e.g. actinomyces pyogenes, stuart-schwan ... | 1991 | 1856352 |
| the iron-sulfur-cluster-containing l-serine dehydratase from peptostreptococcus asaccharolyticus. stereochemistry of the deamination of l-threonine. | the stereochemistry of the deamination of l-threonine to 2-oxobutyrate, catalyzed by purified l-serine dehydratase of peptostreptococcus asaccharolyticus, was elucidated. for this purpose the enzyme reaction was carried out with unlabelled l-threonine in 2h2o and in 3hoh, as well as with l-[3-3h]threonine in unlabelled water. isotopically labelled 2-oxobutyrate thus formed was directly reduced in a coupled reaction with l- or d-lactate dehydrogenase and nadh. the (2r)- or (2s)-2-hydroxybutyrate ... | 1992 | 1572371 |
| nosocomial infections of ocular conjunctiva in newborns delivered by cesarian section. | colonization of the ocular conjunctiva in newborns delivered by cesarian section occurs usually within the first day of life. we have studied the flora of the ocular conjunctiva at birth, from 19 newborns delivered by cesarian section, coming from two different maternity hospitals. ocular conjunctiva cultures yielded the main predominant flora in both maternity hospitals considered. the most common genus of this flora are: staphylococcus, corynebacterium and propionibacterium acnes. peptostrepto ... | 1991 | 1870845 |
| [clinical study on cefteram pivoxil in asymptomatic bacteriospermia]. | in order to understand the clinical efficacy of cefteram pivoxil (cftm) in the treatment of asymptomatic bacteriospermia, the following studies were performed. 1. concentrations of cftm in the semen after oral administration of 200 mg to normal healthy adults (n = 5) reached a maximum level of 0.66 +/- 0.04 microgram/ml in 5 hours after the administration, then decreased rapidly, and averaged 0.15 +/- 0.03 micrograms at 7 hours after administration. 2. activities of cftm, cefaclor (ccl) and lome ... | 1991 | 1880933 |
| [randomized study of amoxicillin-clavulanic acid versus amoxicillin-metronidazole combinations in pyogenic infections of dental origin]. | thirty patients, without any valve defect, cardiac malformation or previous antibiotic administration and presenting dental infections, have been treated either with amoxycillin-clavulanic acid or amoxycillin and metronidazole. aerobic and anaerobic bacteria have been isolated. these infections were due to mixed flora. nearly one half of anaerobes were peptostreptococcus, s. milleri and s. sanguis being predominant among aerobes. the species identified were those found in the mouth in the absenc ... | 1991 | 1881695 |
| [diagnosis of contact mediastinitis in necrotic phlegmons of the neck]. | | 1991 | 1882299 |
| susceptibilities of anaerobic bacteria isolated from animals with ovine foot rot to 28 antimicrobial agents. | the agar dilution method was used to determine the inhibitory activities of 28 antimicrobial agents against 35 strains of the genus peptostreptococcus, 4 strains of the species peptococcus niger, 20 strains of the species megasphaera elsdenii, 7 strains from the species acidaminococcus fermentans, 8 strains of the genus clostridium, 11 strains of the genus eubacterium, and 1 strain of the species propionibacterium acidipropionici, all of which were isolated from 125 clinical cases of ovine foot ... | 1992 | 1590689 |
| chronic conjunctivitis caused by oral anaerobes and effectively treated with systemic metronidazole plus amoxicillin. | in this study, we report on a case of refractory, unilateral anaerobic conjunctivitis. the predominant anaerobic flora consisted of prevotella intermedia (formerly bacteroides intermedius) and peptostreptococcus micros. by using the technique of restriction endonuclease fingerprinting of genomic dna, it was shown that the p. intermedia likely originated from the oral cavity. topically applied antibiotics had failed to suppress the infection in the past. successful treatment was achieved after sy ... | 1991 | 1890173 |
| physicochemical and structural investigation of the surfaces of some anaerobic subgingival bacteria. | the surfaces of nine clinical isolates of porphyromonas gingivalis, prevotella intermedia, actinobacillus actinomycetemcomitans, and peptostreptococcus micros and that of laboratory strain p. gingivalis w83 were studied by using contact angle measurements, x-ray photoelectron spectroscopy, infrared spectroscopy, microelectrophoresis of whole cells, and transmission electron microscopy of whole and sectioned cells. p. intermedia strains were hydrophilic, as judged from their small water contact a ... | 1992 | 1599251 |
| purification and characterization of nadp(+)-dependent 5,10-methylenetetrahydrofolate dehydrogenase from peptostreptococcus productus marburg. | the 5,10-methylenetetrahydrofolate dehydrogenase of heterotrophically grown peptostreptococcus productus marburg was purified to apparent homogeneity. the purified enzyme catalyzed the reversible oxidation of methylenetetrahydrofolate with nadp+ as the electron acceptor at a specific activity of 627 u/mg of protein. the km values for methylenetetrahydrofolate and for nadp+ were 27 and 113 microm, respectively. the enzyme, which lacked 5,10-methenyltetrahydrofolate cyclohydrolase activity, was in ... | 1991 | 1899860 |
| microbial aspects of failing osseointegrated dental implants in humans. | the subgingival microflora of 18 failing implants were examined for pathogenic periodontal microorganisms. peptostreptococcus micros was recovered from 6 failing implants, wolinella recta from 6, fusobacterium species from 5, candida albicans from 5, and bacteroides intermedius from 4. enteric rods or pseudomonads constituted a significant part of the microflora in 5 failing implants. actinobacillus actinomycetemcomitans, nonpigmented bacteroides species, capnocytophage species, and staphylococc ... | 1991 | 1906537 |
| [hemolytic jaundice in anaerobic bacteremia. a report of a case resolved surgically]. | the authors report a case of haemolytic jaundice caused by anaerobic bacteria arising from an abdominal abscess. this is undoubtedly a rare pathology but, when occurring, the resolution may be achieved by surgical therapy. | 1991 | 1911074 |
| suitability of the broth-disk elution test for evaluating susceptibility of obligate anaerobes to trimethoprim-sulfonamides. | species of anaerobic bacteria isolated from clinical veterinary specimens were tested for susceptibility to trimethoprim-sulfonamides by the broth-disk elution technique. three different media were used for each organism: prereduced anaerobically sterilized (pras) brain-heart infusion broth (bhi), thioglycollate broth, and a semidefined pras medium. susceptibility results from these media were compared with those determined by interpreting the minimal inhibitory concentration obtained using an a ... | 1991 | 1911991 |
| spontaneous gas-forming bacterial myonecrosis caused by group b streptococci and peptostreptococci. | we present the case of a patient who spontaneously developed a severe gas-forming infection involving the voluntary muscles of both thighs. the organisms responsible were group b beta-haemolytic streptococci together with peptostreptococci. following surgical and medical treatment, the patient fully recovered. no predisposing factors, in particular no disease causing immunocompromise, could be identified. | 1992 | 1600357 |
| protein-kinase-c-independent activation of arachidonate release and prostaglandin e2 formation in macrophages interacting with certain bacteria. | certain bacterial species, of which we selected fusobacterium nucleatum, gardnerella vaginalis, peptostreptococcus anaerobius and propionibacterium acnes, were found to induce release of arachidonic acid in a dose- and time-dependent manner in mouse macrophages. the release of arachidonic acid showed a characteristic lag period of approximately 10 min and was accompanied by selective transformation into prostaglandin e2. bacteria killed by various methods caused a similar response, indicating th ... | 1991 | 1915341 |
| anaerobic infections in surgery: clinical review. | anaerobic bacteria are being recognized with increasing frequency as important micro-organisms in surgical infections. clostridium, bacteriodes, fusobacterium, and peptostreptococcus are the clinically prominent pathological anaerobes. all are commensals and, consequently, most anaerobic infections are endogenous in origin. in the colon, anaerobes are 1,000 times more prevalent than aerobes. this has important implications regarding the management of gastrointestinal tract operations and the tre ... | 1976 | 1257897 |
| [clinical evaluation of imipenem/cilastatin sodium in the internal medicine]. | fifty-two patients with moderate or severe infections associated with internal medicine were treated with imipenem/cilastatin sodium (ipm/cs) and the efficacy and the safety of this drug were evaluated. there were 20 patients with pneumonia, 10 with acute exacerbation of chronic respiratory tract infections, 9 with sepsis, 2 with pyothorax, 3 with intraabdominal infection, 2 with urinary tract infection, 1 with pulmonary abscess, 1 with infective endocarditis, 4 with fever of unknown origin. for ... | 1991 | 1920813 |
| tetracycline resistance in peptostreptococcus species. | of 15 peptostreptococcus sp. strains isolated between 1975 and 1984, 13 hybridized with the tet k, tet m, or tet o determinant. a donor peptostreptococcus anaerobius strain carrying the three determinants could transfer tet m to p. anaerobius and fusobacterium nucleatum recipients but not to an enterococcus faecalis recipient, while neither tet k nor tet o was transferred. | 1991 | 1929341 |
| cos degradation by selected co-utilizing bacteria. scientific note. | | 1991 | 1929384 |
| reactivity of igg from explant cultures of periapical lesions with implicated microorganisms. | the presence of igg in periapical inflammatory lesions suggests that immune responses participate in the disease process. the purpose of this investigation was to study the reactivity of igg from the supernatant fluids of explant cultures of periapical lesions with microorganisms implicated in infections of endodontic origin. ninety periapical lesions that had been contiguous with the apex of a root were removed and maintained in explant cultures. a dot-enzyme-linked immunosorbent assay (dot-eli ... | 1991 | 1940739 |
| specificity of antibodies present in human periapical lesions. | various classes of immunoglobulins have been found in human periapical lesions. the specificity of secreted antibodies against antigens egressing from the root canal system has yet to be thoroughly investigated. the purpose of this study was to test the specificity of antibodies present in human periapical lesions. human periapical biopsies were removed and cultured as organ culture explants. antibodies present in the lesions were extracted in the cell culture fluids. a modified enzyme-linked im ... | 1991 | 1940740 |
| microbiologic causes and neonatal outcomes associated with chorioamnion infection. | chorioamnion infection is associated with histologic chorioamnionitis and prematurity, but the specific chorioamnion microorganisms associated with histologic chorioamnionitis, prematurity, and poor neonatal outcome have not been identified. bacteria were recovered from the chorioamnion cultures of 32% of 112 placentas delivered at less than or equal to 34 weeks' gestation and from 19% of 156 placentas delivered at greater than 34 weeks' gestation (odds ratio 2.1; 95% confidence interval 1.1 to ... | 1991 | 1951562 |
| effects of propicillin on mixed continuous cultures of periodontal bacteria. | experiments were designed to test the antibiotic (1-phenoxypropyl)penicillin (propicillin) against a complex microflora of periodontal bacteria. this was accomplished by using a continuously growing mixed culture that was obtained by enrichment of periodontal plaque in human serum. peptostreptococcus species, prevotella intermedia, lactobacillus, catenaforme, and streptococcus species were dominant members of the enrichment culture. none of the strains isolated from the enrichment culture exhibi ... | 1991 | 1952836 |
| [gas forming infections. a case of non-clostridial anaerobic cellulitis]. | | 1976 | 1258028 |
| [antibacterial activities of ofloxacin against recent isolates from patients with community-acquired infections]. | in order to survey antibacterial activities of ofloxacin (oflx) against 1,440 bacterial strains isolated from patients with community-acquired infections in 1987 and 1990, minimum inhibitory concentrations (mics) of the drug as well as those of other new quinolones and oral cephems were determined. the following conclusions were reached. 1. comparison of the mic distribution for strains isolated in 1987 with those in 1990 suggested a tendency toward an increase in the frequency of oflx-resistant ... | 1991 | 1960856 |
| 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 ... | 1990 | 1967626 |
| 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 ... | 1990 | 1973009 |
| [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 ... | 1990 | 1981606 |
| [antibacterial activity of rokitamycin against fresh clinical isolates]. | we obtained bacterial strains which were clinically isolated and identified from outpatients with various infections in medical institutions throughout japan. possible antibacterial activities of rokitamycin (rkm) were examined against these isolates. minimum inhibitory concentrations (mics) were determined through a comparative study with reference drugs. the results of the study are summarized as follows. 1. resistance patterns of 400 isolates which were highly resistant to macrolides (mls) wi ... | 1992 | 1289579 |
| aerobic and anaerobic microbiology of peritonsillar abscess. | thirty-four aspirates of pus from peritonsillar abscesses that were studied for aerobic and anaerobic bacteria showed bacterial growth. a total 107 bacterial isolates (58 anaerobic and 49 aerobic and facultative) were recovered, accounting for 3.1 isolates per specimen (1.7 anaerobic and 1.4 aerobic and facultatives). anaerobic bacteria only were present in 6 (18%) patients, aerobic and facultatives in 2 (6%), and mixed aerobic and anaerobic flora in 26 (76%). single bacterial isolates were reco ... | 1991 | 2000017 |
| microbiological study of hiv-related periodontitis. | the subgingival microbiota in 14 persons with hiv-periodontitis was examined. subgingival plaque samples were collected with paper points, transported in vmga iii, and plated on anaerobic enriched brucella blood agar and various selective media. hiv-periodontitis sites revealed actinobacillus actinomycetemcomitans, wolinella recta, peptostreptococcus micros, and bacteroides intermedius, each averaging 7% to 16% of the cultivable subgingival flora in positive patients. high levels of spirochetes ... | 1991 | 2002434 |
| metabolism of 1,4-dinitro-2-methylpyrrole, a mutagen formed by a sorbic acid-nitrite reaction, by intestinal bacteria. | 1,4-dinitro-2-methylpyrrole (dnmp), a mutagenic product formed by the interaction of two common food additives, sorbic acid and sodium nitrite, was transformed to 1-nitro-2-methyl-4-aminopyrrole (nmap) by human fecal mixtures and various intestinal bacterial strains. under anaerobic conditions the cell suspensions of actinomyces, bacteroides, clostridium, eubacterium, fusobacterium, and peptostreptococcus spp. demonstrated the nitroreduction activity. under aerobic conditions, only actinomyces a ... | 1991 | 2022195 |
| microbiological studies of decubitus ulcers in children. | specimens from 58 children with decubitus ulcers were cultured for aerobic and anaerobic bacteria. aerobic bacteria only were present in 29 (50%) ulcers, anaerobic bacteria only were recovered in 5 (9%), and mixed aerobic and anaerobic flora were present in 24 (41%). a total of 132 isolates (79 aerobes, 53 anaerobes) were recovered, an average of 2.3 isolates per specimen (1.4 aerobes, 0.9 anaerobes). the smallest number of isolates was recovered in ulcers of the skull (1.7 per site), and the hi ... | 1991 | 2023086 |
| the relationship between clinical symptoms and anaerobic bacteria from infected root canals. | the purpose of this study was to investigate the correlation between the composition of bacterial flora from infected root canals and clinical symptoms. the materials evaluated consisted of 28 teeth from 25 patients with apical periodontitis. eubacterium were found to be significantly related to acute or chronic clinical symptoms and peptococcus, peptostreptococcus, and porphyromonas gingivalis to subacute clinical symptoms. we suggested that peptococcus, peptostreptococcus, eubacterium, porphyr ... | 1992 | 1298793 |
| infection and labor. vii. microbial invasion of the amniotic cavity in spontaneous rupture of membranes at term. | the purpose of this study was to determine the frequency, microbiologic characteristics, and clinical significance of microbial invasion of the amniotic cavity in women with premature rupture of membranes at term. | 1992 | 1301006 |
| oral associated bacterial infection in horses: studies on the normal anaerobic flora from the pharyngeal tonsillar surface and its association with lower respiratory tract and paraoral infections. | two hundred and seventy bacterial isolates were obtained from the pharyngeal tonsillar surface of 12 normal horses and 98 obligatory anaerobic bacteria were characterised. of these, 57 isolates belonging to 7 genera (peptostreptococcus (1); eubacterium (9); clostridium (6); veillonella (6); megasphera (1); bacteroides (28); fusobacterium (6)) were identified, and 16 of these were identified to species level (p. anaerobius (1); e. fossor (9); c. villosum (1); b. fragilis (1); b. tectum (2); b. he ... | 1991 | 2031304 |
| in vitro activities of three of the newer quinolones against anaerobic bacteria. | the antimicrobial activities of three new quinolone compounds, sparfloxacin, temafloxacin, and win 57273, against anaerobic bacteria were determined in three separate studies. the wadsworth agar dilution technique using brucella-laked blood agar was used throughout. the activities of other antimicrobial agents, including ciprofloxacin, imipenem, chloramphenicol, metronidazole, cefotetan, cefoxitin, and amoxicillin-clavulanic acid, were also determined. the breakpoints of the new quinolones were ... | 1992 | 1317149 |
| [antibacterial activity of ciprofloxacin against fresh clinical isolates from superficial suppurative foci]. | the minimum inhibitory concentrations (mics) of 5 drugs (ciprofloxacin (cpfx), and 4 drugs used as standard) were determined to investigate antibacterial potencies of cpfx against bacterial strains isolated in 1989 from superficial suppurative foci. the clinical isolates tested included 375 strains from 11 aerobic bacterial species, and 50 strains from 2 anerobic bacterial genera (group) for a total of 425 isolates. interpreting mic level distributions of these drugs as the expression of antibac ... | 1991 | 2041153 |
| vaginal bacteroides species are associated with an increased rate of preterm delivery among women in preterm labor. | the relationship of high concentrations of vaginal microorganisms with an increased rate of preterm delivery (less than or equal to 34 weeks) among women in preterm labor was evaluated. quantitative vaginal cultures were obtained from 211 women in preterm labor between gestational ages of 22 and 34 completed weeks. preterm delivery occurred in 139 (66%). the rate of preterm delivery was determined by cox proportional hazards models. women with greater than 10(7) cfu/ml of vaginal fluid of facult ... | 1991 | 2056221 |
| the acute phase of experimental infection with trypanosoma cruzi is more severe in mice monoassociated with strict anaerobic bacteria. | 1. the influence of some components of the normal human intestinal flora on the acute phase of experimental infection with strain cl of trypanosoma cruzi was studied in 30-day-old germ-free or gnotobiotic cfw (lob) mice monoassociated with bacteroides fragilis, peptostreptococcus sp or clostridium sp by intragastric inoculation of 10(6) bacteria 10 days before the intraperitoneal infection with 5 x 10(3) trypomastigotes/g body weight. 2. significantly earlier parasitemia peak and mortality were ... | 1992 | 1342224 |