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bacterial infection in under school age children with expiratory difficulty.serological evidence of bacterial infection was prospectively studied in less than 6 years old patients during 188 acute episodes of expiratory difficulty requiring hospital treatment. such evidence indicated by antibody or antigen assays was found in 40 patients (21%). streptococcus pneumoniae was identified in 25 cases; antigenemia was found in 10, antigenuria in 2 and seroconversion in 14 cases. seroconversion to nontypable haemophilus influenzae was found in 9 and to branhamella catarrhalis ...19911896233
in vitro activity of ceftibuten against haemophilus influenzae and branhamella catarhallis.the in vitro activity of ceftibuten, a new orally administered cephalosporin, was assessed against clinical isolates of haemophilus influenzae and branhamella catarrhalis. the activity of ceftibuten was compared to that of ampicillin, amoxicillin-clavulanic acid, and three oral cephalosporins, cefaclor, cefuroxime, and cefixime. with the exception of rare beta-lactamase-negative ampicillin-resistant strains of h. influenzae, resistance to ceftibuten was not observed with any of the study isolate ...19911901536
occurrences of antibodies against streptococcus pneumoniae, haemophilus influenzae and branhamella catarrhalis in middle ear effusion and serum during the course of acute otitis media.the occurrence of igg, igm and iga class antibodies against a type-specific capsular polysaccharide of streptococcus pneumoniae (pn) and against a whole cell antigen of haemophilus influenzae (hi) and branhamella catarrhalis (br) was studied using the elisa method on middle ear effusion (mee) samples of 85 patients and paired serum samples of 40 patients during the course of acute otitis media (aom). although specific antibodies to all of these three bacteria appeared in mee during the course of ...19911901685
amoxycillin/clavulanate versus amoxycillin in recurrent otitis media and therapeutic failure in children.a total of 102 children with recurrent otitis media or therapeutic failure after treatment with phenoxymethyl penicillin were entered into a double-blind study with parallel groups, comparing treatment with amoxycillin/clavulanate suspension (spektramox) for 7 days with amoxycillin suspension (imacillin) for 10 days. bacterial and clinical investigations were performed. a total of 91 patients were evaluated for efficacy at the first follow-up visit (10-12 days after start of treatment). amoxycil ...19911901686
comparison of the activity of cefixime and activities of other oral antibiotics against adult clinical isolates of moraxella (branhamella) catarrhalis containing bro-1 and bro-2 and haemophilus influenzae.mics of 10 oral antibiotics were determined for 105 moraxella catarrhalis and 96 haemophilus influenzae isolates from adults. a two- to fourfold increase in mics of oral cephalosporins was seen in the presence of bro-1 but not with tem-1 or bro-2. the mics of cefixime for 90% of strains of h. influenzae (0.125 microgram/ml) and m. catarrhalis (0.25 microgram/ml) were 8- to 64-fold lower than those of other oral cephalosporins.19911901696
development of a species-specific dna probe for moraxella (branhamella) catarrhalis.moraxella (branhamella) catarrhalis is an aerobic gram-negative diplococcus that is now recognized as a pathogen of the respiratory tract. rapid and direct identification of this bacterium has become important to the clinical microbiology laboratory. recently, rapid tests for the identification of neisseria species and m. catarrhalis have been commercialized but they are primarily for neisseriae; in these kits, m. catarrhalis is always identified presumptively. we have developed a dna probe of c ...19911901955
branhamella catarrhalis septicemia in an immunocompetent adult.a 68-year-old man with otitis media developed signs of disseminated intravasal coagulation (dic) and shock. beta-lactamase positive branhamella catarrhalis grew in all blood cultures and in secretion from the middle ear. the patient was immunocompetent and previously healthy. severe b. catarrhalis septicemia has so far mainly been described in immunocompromised patients, mostly children, but this report shows that it may occasionally occur in immunocompetent adults.19911902980
branhamella catarrhalis as a cause of multiple subpleural abscesses.a pure growth of branhamella catarrhalis was obtained from subpleural abscesses in a 65-year-old fisherman with a persistent pneumothorax; underlying disorders included lung fibrosis, rheumatoid arthritis, and diabetes mellitus. a thoracotomy revealed extensive thickening of the visceral pleura covering multiple subpleural abscesses. there was a protracted postoperative course despite surgical debridement and antibiotic treatment with a cephalosporin and erythromycin.19911902981
[pneumonia caused by branhamella catarrhalis. a well-documented case]. 19911903072
in-vitro activity of cefprozil (bmy 28100) and loracarbef (ly 163892) against pathogens obtained from middle ear fluid.we compared the in-vitro activities of cefprozil, a novel oral cephalosporin, and of loracarbef, a new oral carbacephem, with other agents against middle ear fluid isolates obtained from children with acute otitis media. these included streptococcus pneumoniae, haemophilus influenzae and branhamella catarrhalis. cefprozil activity (mic50 and mic90) against s. pneumoniae was 0.25 and 0.50 mg/l; against h. influenzae 8 and 16 mg/l; against b. catarrhalis 2 and 2 mg/l. loracarbef activity (mic50 an ...19911903788
multipoint microbiological assay for detecting beta-lactamase.a multipoint microbiological assay for determining beta-lactamase production by clinical isolates of bacteria was evaluated. with strains of haemophilus influenzae, neisseria gonorrhoeae, and branhamella catarrhalis there was excellent correlation between results obtained using this method and those obtained using the chromogenic cephalosporin reference method. the multipoint method is an inexpensive yet reliable adjunct to conventional susceptibility testing methods.19911904456
the successful treatment of branhamella catarrhalis bronchopulmonary infections in adults with amoxycillin. 19911904850
[bacteremic pneumonia caused by branhamella catarrhalis in an immunocompromised patient]. 19911904967
branhamella (moraxella) catarrhalis: pathogenic significance in respiratory infections.to assess the pathogenic significance of branhamella catarrhalis isolates in patients with respiratory infections and to define the clinical characteristics of such patients. design and19911905385
cefixime compared with amoxicillin for treatment of acute otitis media.cefixime was compared with amoxicillin for treatment of acute otitis media in a randomized trial. results of tympanocentesis on day 3 to 5 of therapy were used as the major outcome. total daily doses were 8 mg/kg of cefixime and 40 mg/kg of amoxicillin. one hundred twenty-six patients were randomly assigned to receive treatment; 64 cultures grew pathogens. pathogens were eradicated from the middle ear after 3 to 5 days of therapy in 27 (79.4%) of 34 children given amoxicillin and 26 (86.7%) of 3 ...19911906097
comparative trial of cefprozil vs. amoxicillin clavulanate potassium in the treatment of children with acute otitis media with effusion.a total of 137 children with acute otitis media with effusion were randomly allocated to treatment with cefprozil (30 mg/kg/day divided into two equal doses), an investigational cephalosporin or amoxicillin clavulanate potassium (40 mg/kg/day divided into three equal doses) for 10 days. the most common pathogens obtained from middle ear cavities by tympanocentesis were streptococcus pneumoniae (33%), haemophilus influenzae (19.6%) and moraxella catarrhalis (8.3%). patients were scheduled for fol ...19911906160
branhamella catarrhalis peritonitis in capd: an avoidable complication? 19911906755
branhamella catarrhalis and croup: toxicity in the upper respiratory tract.branhamella catarrhalis has gained increasing recognition as a pathogen in the respiratory tract. during the past 18 years, since its transfer from the genus neisseria, it has been associated with infection in cavities of the respiratory tract (sinuses and middle ear). it has been recognized as playing a role in laryngitis. its isolation in large numbers from the surface and core of acutely and chronically infected tonsils indicates a possible role in these infections. croup (two patients report ...19911907110
pharyngeal carriage of moraxella (branhamella) catarrhalis in healthy adults. 19911907543
bacteremia and septic arthritis caused by moraxella catarrhalis.moraxella catarrhalis was isolated from blood from a 41-year-old man who had a 24-hour history of increasing pain in and swelling of the left knee. no history of trauma, arthropathy, fever, chills, cough, or chest pain was noted. what is believed to be the first case of bacteremia caused by m. catarrhalis that was associated with septic arthritis is described in this report. the case presented suggests the pathophysiology of this rare condition. one previous case of septic arthritis caused by m. ...19911907759
nasopharyngeal flora in the first three years of life in normal and otitis-prone children.nasopharyngeal carriage of the three major middle ear pathogens (streptococcus pneumoniae, nontypeable hemophilus influenzae, and moraxella catarrhalis) was evaluated prospectively in a group of 110 children followed up for the first 3 years of life. the findings suggested that nasopharyngeal carriage of middle ear pathogens increases significantly during respiratory illness among the general population of young children; however, otitis-prone children demonstrated a tendency to carry nontypeabl ...19911908199
comparative immunochemistry of lipopolysaccharides from branhamella catarrhalis strains.lipopolysaccharides (lps) were extracted and purified from the type strain and from a clinical isolate of branhamella catarrhalis. chemical analysis revealed the presence of glucose, galactose, and glucosamine in different molar proportions in the lps from these two isolates, whereas there was no difference between the two isolates in the ratios of ketodeoxyoctonate, phosphate, and the fatty acids c12, 3-oh-c12, and 3-oh-c11 present. heptose or 3-oh-c14 was not detectable in either preparation. ...19911908833
[in vitro activity of cefuroxime against moraxella (branhamella) catarrhalis].minimal inhibitory concentrations of cefuroxime were determined by an agar dilution procedure and compared with erythromycin and four other beta-lactam antibiotics (amoxycillin, amoxycillin + clavulanate, cefadroxil, cefaclor) on 76 strains of moraxella (branhamella) catarrhalis. sixty four of them produced a beta-lactamase. results show that the beta-lactamase of moraxella (branhamella) catarrhalis abrogates the activity of amoxycillin (mic 90% = 4 mg/l) meanwhile the combination of amoxycillin ...19911909016
prospective hospital study of community acquired lower respiratory tract infection in the elderly.a prospective study of community acquired lower respiratory tract infection in the elderly was carried out over a 15-month period. during this time 127 consecutive admissions to two acute geriatric medical wards were studied. an aetiology was established in 77 (61%) of cases. streptococcus pneumoniae was identified in 37% of patients. haemophilus influenzae in 18% and branhamella catarrhalis in 10%. infection with mycoplasma pneumoniae was found in only one episode and no cases of legionella pne ...19911909044
erythromycin and phenoxymethylpenicillin (penicillin v) in the treatment of respiratory tract infections as related to microbiological findings and serum c-reactive protein.respiratory tract pathogens (beta-haemolytic streptococci groups a, c and g, haemophilus influenzae, branhamella catarrhalis or pneumococci), were isolated from nasopharyngeal and/or throat swabs in 73/138 (53%) patients greater than 10 years of age with a clinical diagnosis of acute sinusitis, acute tonsillitis, purulent nasopharyngitis or acute bronchitis. serological evidence of a viral infection (influenza a and b, parainfluenza 1, 2 and 3, respiratory syncytial virus, adenovirus) or mycopla ...19911909052
secretory antibodies specific to streptococcus pneumoniae, haemophilus influenzae and branhamella catarrhalis in middle ear effusion during acute otitis media.the occurrence of specific secretory antibodies against the type-specific capsular polysaccharide of streptococcus pneumoniae (pn) and against the whole cell antigen of haemophilus influenzae (hi) and branhamella catarrhalis (br) were measured by the elisa method in 211 middle ear effusion (mee) samples of 85 children with acute otitis media (aom) during the course of the disease. antibodies against at least one of those bacteria were detected at the initial visit in 33.6% of the ears and later ...19911909486
nasopharyngeal flora in otitis media with effusion. a comparative semiquantitative analysis.an inflammatory process in the middle ear caused by bacteria or bacterial products emanating from the nasopharynx is one etiological factor considered in the unknown pathogenesis of otitis media with effusion (ome). the nasopharyngeal prevalence of streptococcus pneumoniae, haemophilus influenzae, moraxella (branhamella) catarrhalis and streptococcus pyogenes was studied in 191 children with defined ome and in 53 age-matched children without middle ear disease. duplicate sampling and semiquantit ...19911909487
in vitro antimicrobial activity of sparfloxacin (at-4140, ci-978, pd 131501) compared with numerous other quinolone compounds.sparfloxacin (at-4140, ci-978, pd 131501) was tested against over 800 recent bacteremic strains and compared with ciprofloxacin and six other fluoroquinolones. the 90% minimum inhibitory concentration (mic90) ranges for the enterobacteriaceae species were (a) sparfloxacin, 0.03-1 microgram/ml and (b) ciprofloxacin, 0.015-0.25 microgram/ml. moraxella catarrhalis, haemophilus influenzae, and neisseria gonorrhoeae were very susceptible to sparfloxacin (mic90s, 0.004- less than or equal to 0.03 micr ...19911909615
beta-lactamase production and bacterial tolerance in recurrent acute otitis media.different reasons for treatment failure or relapse of acute otitis media (aom) have been suggested. in this study 38 children (8 treatment failures, 13 relapses of aom within one month and 17 with a new aom) were compared to 25 matching healthy children, regarding beta-lactamase producing bacteria and tolerance to penicillin v and ampicillin. branhamella catarrhalis was the most common bacteria found in the nasopharynx and was isolated in 60% of children with aom and in 48% of the control group. ...19911909690
in vitro studies with bay v 3522, a new oral cephalosporin.the in vitro activities of bay v 3522, cefaclor, cephalexin, cefuroxime, cefixime, amoxicillin/clavulanate (2:1) and reference penicillins were compared against 314 clinical isolates of gram-positive and gram-negative bacteria and nine strains of escherichia coli that differed in their outer membrane proteins in agar dilution tests with an inoculum of 10(4) cfu/spot. the beta-lactamase stabilities of the cephalosporins were also evaluated by spectrophotometric assay using 21 different beta-lacta ...19911914843
improved tween 80 hydrolysis method for identification of moraxella (branhamella) catarrhalis. 19911915394
in vitro activity of cefpodoxime, a new oral cephalosporin, compared with that of nine other antimicrobial agents.the in vitro activity of the compound ru-51746, the sodium salt of cefpodoxime (which is administered orally as the ester cefpodoxime proxetil) was compared with that of other commonly used oral antibiotics against a selection of clinical isolates of common bacteria from patients with urinary tract, soft tissue and respiratory tract infections. ru-51746 was found to inhibit 90% of enterobacteriaceae at less than 1 mg/l; pneumococci, pyogenic streptococci (lancefield groups a, c and g) and strept ...19911915400
swedish study group. a randomized multicenter trial to compare the influence of cefaclor and amoxycillin on the colonization resistance of the digestive tract in patients with lower respiratory tract infection.eighty-four patients with lower respiratory tract infections participated in a randomised double-blind parallel multicenter trial in order to compare the efficacy of cefaclor and amoxycillin as treatment for lower respiratory tract infections and their ability to influence colonization resistance. cefaclor was given to 40 patients and amoxycillin to 44 patients perorally in doses of 250 mg t.i.d. for seven days in a double-blind fashion. sputum, oropharyngeal and intestinal specimens were taken ...19911917031
rufloxacin once daily in acute exacerbations of chronic bronchitis.in this open study the efficacy and tolerability of rufloxacin in a single dose of 400 mg the first day and 200 mg the nine consecutive days was studied in 26 patients with an acute exacerbation of chronic bronchitis. twenty-two patients were evaluable for efficacy. four patients stopped treatment prematurely after five days because of clinical cure. at the enrollment visit a pathogen was isolated in the sputum sample in 19 of 22 evaluable patients. the predominant pathogens were streptococcus p ...19911917050
bacteriology of acute otitis media in adults.--the objective of this study was to determine the bacteriology of acute otitis media in adults. although this has frequently been studied in children, no data have recently been reported from adults in the united states. additionally, information on the prevalence of haemophilus influenzae as a causative organism in acute otitis media in adults has not been available.19911920724
[bacteriological study on fosfomycin against organisms clinically isolated from paranasal sinusitis].multi-center bacteriological and clinical studies on fosfomycin (fom) nasal solution were performed in subjects with paranasal sinusitis from january, 1988 to may, 1990. in these studies, we were exclusively responsible for bacterial isolation from clinical sources, bacterial identification and the determination of drug susceptibility. before local administration of fom nasal solution, many strains of various bacterial species were isolated from sources totalling 396 cases involved in phase ii c ...19911920807
[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 ...19911920813
vertebral osteomyelitis due to branhamella catarrhalis. 19911925301
[beta-lactam/beta-lactamase inhibitor combinations for oral administration].beta-lactamase inhibitors are compounds which are able to bind many beta-lactamase and to inactivate them irreversibly ("suicide inactivators"). their intrinsic antimicrobial activity is weak. however, in combination with aminopenicillins they exhibit marked synergism both in vitro and in vivo against many beta-lactamase producing bacterial strains. at the achievable serum and tissue concentrations after oral administration, various aminopenicillin/beta-lactamase inhibitor combinations are activ ...19911925470
comparative efficacy and safety of cefprozil (bmy-28100) and cefaclor in the treatment of acute group a beta-hemolytic streptococcal pharyngitis.cefprozil (bmy-28100) is a semisynthetic cephalosporin with broad-spectrum antibacterial activity and prolonged serum elimination half-life allowing for once-a-day oral administration. in vitro, cefprozil demonstrates excellent activity against staphylococcus aureus, streptococcus pyogenes, haemophilus influenzae, and moraxella catarrhalis. cefprozil (500 mg once daily) was compared to cefaclor (250 mg three times daily) in an open, randomized, comparative trial for the treatment of acute group ...19911929253
in vitro activity of loracarbef (ly163892), a new oral carbacephem antimicrobial agent, against respiratory isolates of haemophilus influenzae and moraxella catarrhalis.the in vitro activity of a new orally administered carbacephem analog of cefaclor, loracarbef (ly163892), was compared with those of cefaclor and several other oral antimicrobial agents against recent clinical isolates of haemophilus influenzae and moraxella catarrhalis. loracarbef was found to be slightly more active than cefaclor against h. influenzae and had activity essentially equivalent to that of cefaclor for m. catarrhalis. resistance to loracarbef was uncommon and was noted only with ra ...19911929318
[branhamella catarrhalis as a disease pathogen].since 1980, numerous reports have been published throughout the world on the pathogenic role of branhamella catarrhalis. apparently, branhamella infections have been increasing in many places. although they can affect various organs, they are most commonly observed in the airways and eye (both in children and adults). not infrequently, branhamella catarrhalis causes sepsis, in particular in immunosuppressed patients. the rapid increase in beta-lactamase-forming branhamella strains results in fre ...19911937324
comparison of molecular epidemiological tools for branhamella catarrhalis typing.twenty-one branhamella catarrhalis strains selected for their diversity by esterase electrophoretic polymorphism, and belonging to 20 distinct zymotypes, were studied by restriction fragment length polymorphism (rflp) of total dna after ethidium bromide staining and of ribosomal dna regions (ribotyping). the former analysis allowed the distinction of 20 patterns and the latter the delineation of 19 ribotypes. the three methods were correlated and showed a clonal diversity of the species. esteras ...19911947430
[role of cefuroxime-axetil in the treatment of respiratory tract infections. bacteriological and pharmacological data].cefuroxime-axetil, the 1-acetoxyethyl ester of cefuroxime, is a prodrug for oral administration. the indication of this new formulation in the treatment of community acquired rti required an updating of its activity against respiratory pathogens. a total of 260 isolates were included in a study using mic determination (agar dilution technique): the mode mics for haemophilus spp., branhamella catarrhalis, streptococci, s. pneumoniae ranged from 0.016 to 0.5 mg/l; no difference was noted between b ...19911948811
nasal mucosal changes in children treated with gammaglobulin. aspects on middle ear pathology and nasopharyngeal bacteriology.the present study was undertaken to evaluate possible beneficial effects of gammaglobulin treatment every 3 weeks during 6 months of 6-month to 2-year-old children. every second of 44 children with recurrent acute otitis media (raom) received gammaglobulin, the other 22 served as controls. nasal mucosal biopsy specimens were taken at 6-month intervals and analysed by light microscopy (lm) and scanning electron microscopy (sem). additional biopsies were obtained from another 15 children with raom ...19911950543
an approach to pediatric upper respiratory infections.upper respiratory tract infections are the most common diseases encountered in office pediatrics. the majority of these illnesses, including the common cold and pharyngitis, are viral in etiology, present with rhinitis and fever, and are self-limited and benign. management consists of fluids, rest, saltwater nose drops and analgesics. antihistamines appear to relieve only those symptoms potentiated by allergy. with the exception of streptococcal pharyngitis, upper respiratory tract infections do ...19911950981
pharmacokinetics of cefuroxime axetil and cefaclor: relationship of concentrations in serum to mics for common respiratory pathogens.the pharmacokinetics of single doses of cefaclor at 250 and 375 mg and cefuroxime axetil at 250 mg administered under optimal conditions (i.e., cefuroxime axetil after food and cefaclor in the fasted state) were studied in 24 healthy male volunteers. drug concentrations in serum were related to mics for common respiratory tract pathogens by using data generated from a recently completed national survey. the time the concentrations in serum exceeded the mics for haemophilus influenzae, streptococ ...19911952858
pneumonia in chronic obstructive lung disease.despite the apparent common occurrence of pneumonia in patients with chronic obstructive pulmonary disease (copd), there are little firm data on incidence, etiology, diagnostic procedures, and therapy in these patients. it appears that traditional respiratory pathogens such as the pneumococcus are declining in importance while "new" pathogens such as pseudomonas sp., moraxella catarrhalis, and legionella sp. are becoming more important. the diagnosis of a specific etiologic agent is difficult in ...19911955695
moraxella (branhamella) catarrhalis.moraxella (branhamella) catarrhalis is now a well-recognized pathogen in lower respiratory tract infections, particularly in the setting of chronic lung disease. the ability to produce beta-lactamase, which now characterizes most clinical strains, appears to be a recently acquired trait. the most common clinical syndrome caused by this organism is exacerbation of chronic bronchitis; this syndrome has been well described in europe, japan, and the united states, particularly from centers with a la ...19911955698
double-blind comparison of cefixime and cefaclor in the treatment of acute otitis media in children.in a double-blind study cefixime, an oral cephalosporin of the third generation, was compared to cefaclor in the treatment of acute otitis media in 397 children aged 6 months to 12 years. clinical evaluation was carried out at the beginning, at day 10-12 and day 28-35 after the start of the treatment. specimens for bacterial culture and sensitivity testings were taken from the nasopharynx at the initial visit. patients were randomized either to cefixime in a dose of 8 mg/kg/day or cefaclor in a ...19911957129
bacteriology of the ethmoid bullae in children with chronic sinusitis.cultures from 105 children with chronic sinusitis who had failed aggressive medical management were retrospectively studied. patients with immunodeficiency and cystic fibrosis were excluded from the study. because the most common sites of disease were the infundibula and anterior ethmoid sinuses, samples of mucosa removed from the anterior ethmoid bullae during endoscopic ethmoidectomy were routinely cultured for aerobic and anaerobic organisms. fungal cultures were performed for 55 bullae. the ...19911991059
randomized comparative study of ceftibuten versus cefaclor in the treatment of acute lower respiratory tract infections.in a randomized, single-blind trial, ceftibuten in doses of 200 mg and 300 mg administered b.i.d., was compared with cefaclor 500 mg t.i.d. in acute lower respiratory tract infections. a total 545 patients were enrolled, of which 263 were evaluable for efficacy. all patients were adults with a diagnosis of either bacterial pneumonia or bronchitis. the infective organism was eliminated in 83% of the patients in the ceftibuten 200-mg b.i.d. treatment group and in 85% of patients in the 300-mg b.i. ...19912013204
antimicrobial activity and spectrum of ceftibuten (7432-s, sch 39720)--a review of united states and canadian results.preliminary in vitro studies of ceftibuten in the united states and canada have demonstrated a potent activity against enteric bacilli (greater than 90% of routine clinical isolates), haemophilus influenzae, moraxella catarrhalis, neisseria spp., most b-hemolytic streptocci, and streptococcus pneumoniae. ceftibuten was demonstrated to be bactericidal, minimally influenced by high inocula, beta-lactamase stable, an inhibitor of type ia beta-lactamase, and potentially usable against some enterobac ...19912013209
comparative antimicrobial spectrum and activity of ceftibuten against clinical isolates from west germany.the in vitro activity of a new oral cephalosporin, ceftibuten, was determined against 837 clinical isolates by agar dilution technique and compared with that of the oral cephalosporins, cefaclor, cefuroxime, cefixime, cefpodoxime, and cefprozil. against enterobacteriaceae, ceftibuten was the most active of the compounds. ceftibuten mic90s were less than or equal to 0.25 micrograms/ml for most members of the family enterobacteriaceae, 0.13 microgram/ml for haemophilus influenzae, 4 micrograms/ml ...19912013211
in vitro antibacterial activities of pd 131628, a new 1,8-naphthyridine anti-infective agent.pd 131628 is a new aminopyrrolidine-substituted fluorocyclopropyl naphthyridine quinolone which possesses high in vitro activity against a wide spectrum of bacterial species. the mics for greater than or equal to 90% of strains were 0.125 to 0.25 microgram/ml for staphylococci, streptococcus pyogenes, and s. pneumoniae; 0.5 micrograms/ml for s. agalactiae and enterococcus faecalis; 0.125 micrograms/ml for members of the family enterobacteriaceae and acinetobacter spp.; 0.5 micrograms/ml for pseu ...19912014970
in vitro activity of a catechol-substituted cephalosporin, gr69153.the in vitro activity of gr69153, a new catechol-substituted cephalosporin, was compared with those of ceftazidime, imipenem, meropenem, and ceftriaxone against 604 recent clinical isolates and other strains with known mechanisms of resistance. the mics of gr69153 for 90% of the members of the family enterobacteriaceae tested were less than 0.5 micrograms/ml, with the exceptions of those for serratia spp. (4 micrograms/ml), citrobacter spp. (2 micrograms/ml), and enterobacter spp. (8 micrograms/ ...19912024966
continuous activity of significant antibiotics.respiratory tract infections (rtis) are the primary cause of antibiotic use in general practice. since the first penicillin was introduced for therapeutic purposes, several classes of antibiotics have been used in the treatment of community-acquired rtis. the phase when penicillins g and v could be active in rtis was relatively short lived due to the early emergence of resistant organisms. ampicillin and amoxicillin have been used successfully for more than 20 years in the treatment of rtis. in ...19912029722
activity of temafloxacin against respiratory pathogens.the activity of the quinolone temafloxacin against respiratory pathogens was compared with those of ciprofloxacin and ofloxacin. mics for 90% of strains tested indicated that temafloxacin was at least two- to fourfold more potent than the other two quinolones against staphylococcus aureus, streptococcus pneumoniae, and legionella pneumophila. temafloxacin had potency equal to that of ciprofloxacin and was twofold more active than ofloxacin against streptococcus pyogenes. moraxella catarrhalis, a ...19912039192
[bacteriological, pharmacokinetic and clinical evaluations of cefpirome sulfate in the pediatric field. pediatric study group of cefpirome].a research group was organized with the purpose of making basic and clinical studies on cefpirome sulfate (hr810, cpr), a newly developed cephalosporin antibiotic, in the pediatric field. through meetings a joint research was done involving 19 key institutions and their related facilities throughout japan. the obtained results are summarized as follows. 1. antibacterial activities minimum inhibitory concentrations (mics) were determined against 71 gram-positive and 110 gram-negative bacteria in ...19912041150
[pharmacokinetic and clinical studies on cefpirome in pediatrics].cefpirome (cpr, hr 810), a new parenteral cephalosporin antibiotic, was studied for its pharmacokinetics, bacteriological and clinical effects in the field of pediatrics. 1. cpr was very active against staphylococcus aureus, staphylococcus epidermidis, coagulase-negative staphylococci, streptococcus pneumoniae among gram-positive cocci. antibacterial activities of cpr were also strong against branhamella catarrhalis, haemophilus influenzae, escherichia coli, salmonella sp., klebsiella oxytoca, e ...19912041158
[neonatal conjunctivitis in a nursery and a neonatal unit].after credé prophylaxis was abandoned at our hospital in 1984 scrupulous clinical surveillance of all neonates for conjunctivitis, and bacterial cultures from purulent eye discharge, have become routine. during the two-year period 1 march 1987 to 28 february 1989, testing for chlamydia trachomatis (eia-technique) was added in all infants with clinical conjunctivitis. during the period concerned there were 332 cases of conjunctivitis among 4,520 live born infants, an incidence of 7.3%. the incide ...19912042130
open randomized controlled parallel study of ofloxacin versus trimethoprim-sulfamethoxazole treatment of lower respiratory tract and urinary infections.a total of 60 patients with lower respiratory tract or urinary tract infections were enrolled in an open, randomized, controlled, parallel study comparing 300 mg ofloxacin (ofx) b.i.d. with trimethoprim + sulfamethoxazole (tmp 800 mg + smx 160 mg), 1 tablet, b.i.d. the signs and symptoms of low respiratory tract infection were cured in 12 patients (80%) of the ofx group and improved in 2 other patients (13%); at the end of therapy, the 2 germs that persisted were streptococcus pneumoniae and bra ...19912049964
the in-vitro activity of temafloxacin compared with other antimicrobial agents.temafloxacin, like other 4-quinolones, was highly active against most isolates of enterobacteriaceae. it was slightly less active than ciprofloxacin but approximately as active as ofloxacin and enoxacin. it was the most active of the quinolones against acinetobacter spp. and xanthomonas maltophilia but was slightly less active than ciprofloxacin against pseudomonas spp. temafloxacin was highly active against haemophilus influenzae, moraxella catarrhalis and neisseria gonorrhoeae and was the most ...19911657855
in-vitro activity of win 57273 compared to the activity of other fluoroquinolones and two beta-lactam antibiotics.win 57273, a new fluoroquinolone, was four to 128-fold more active than ciprofloxacin and ofloxacin against gram-positive bacteria. the mic90 for staphylococcus aureus was 0.015 mg/l and for s. epidermidis, 0.03 mg/l. all lancefield group a, b, c, & g streptococci, streptococcus bovis and s. pneumoniae were inhibited by less than or equal to 0.06 mg/l compared to 0.5 mg/l for tosufloxacin and 2 mg/l for ciprofloxacin. for anaerobic bacteria win 57273 had an mic90 for bacteroides of 1 mg/l, and f ...19911657856
spectrum of activity of azithromycin.in recent years, a number of newer macrolides have been developed. one such antibiotic is azithromycin, which has a 15-membered ring structure and is classed as an azalide. the limitations of erythromycin and the discovery of pathogenic bacteria such as campylobacter, legionella and chlamydia species provide incentives to study the usefulness of newer antibiotics of this class. azithromycin has good activity against staphylococci, streptococci, moraxella catarrhalis and other rapidly growing pyo ...19911662624
in vitro activity of temafloxacin against gram-negative bacteria: an overview.the in vitro activities of temafloxacin, ciprofloxacin, and ofloxacin against gram-negative bacteria are compared. the 90% minimal inhibitory concentrations (mic90s) of temafloxacin for respiratory pathogens such as haemophilus influenzae, moraxella catarrhalis, neisseria meningitidis, bordetella pertussis, and legionella pneumophila are less than or equal to 0.06 micrograms/ml. temafloxacin is also active against bacterial agents of sexually transmitted diseases, including neisseria gonorrhoeae ...19911662890
the in-vitro activity of tosufloxacin, a new fluorinated quinolone, compared with that of ciprofloxacin and temafloxacin.tosufloxacin was highly active in vitro against most isolates of enterobacteriaceae. it was slightly less active than ciprofloxacin for most species but more active than temafloxacin. it was the most active agent against acinetobacter spp., xanthomonas maltophilia and some pseudomonas spp. but was slightly less active than ciprofloxacin against the fluorescent pseudomonads. tosufloxacin was highly active against strains of haemophilus influenzae, moraxella catarrhalis, neisseria gonorrhoeae and ...19911663930
the role of temafloxacin in the community setting: an overview.the use of new quinolones has become established therapy for many community infections including urinary tract infection, genital infection, soft tissue infection and some forms of lower respiratory tract infection. however, there has been an undercurrent of anxiety concerning their efficacy in pneumococcal infections. temafloxacin has improved activity against pneumococci and its high oral bioavailability and excellent penetration into respiratory tissues now combine to provide a suitable profi ...19911664825
in vitro activity of sparfloxacin (ci-978, at-4140, and pd 131501). a quinolone with high activity against gram-positive bacteria.sparfloxacin (ci-978, at-4140 and pd 131501) is a new antimicrobial agent of the piperazinyl quinolone class. relative to other quinolones, it is a potent antistaphylococcal and antistreptococcal drug in vitro: the microbroth 90% minimum inhibitory concentration (mic90) (in microgram/ml) was 0.25 vs 26 methicillin-resistant and -sensitive coagulase-positive and -negative staphylococci and 20 streptococcus pneumoniae; 0.5 vs 20 strains each of s. pyogenes, s. agalactiae, and enterococcus faecalis ...19911665775
the role of branhamella catarrhalis in the "bloody-nose syndrome" of cynomolgus macaques.during a 15-month period, 25 cynomolgus macaques (macaca fascicularis) at the johns hopkins university were observed to have nasal discharge. fifteen (60%) of these animals had positive nasal cultures for branhamella catarrhalis. clinical signs associated with infection by this bacterium were sneezing, epistaxis, and mucohemorrhagic nasal discharge. treatment with antibiotics resulted in prompt resolution of clinical signs. post-therapeutic nasal cultures were negative for b. catarrhalis. two gr ...19911666136
[multicenter study of the rosco-neisseria system for the identification of pathogenic neisserias and branhamella catarrhalis].the commercial rosco-neisseria system was evaluated in the identification of 228 oxidase-positive gram-negative diplococci and it was compared with conventional tests. the procedure detects gamma-glutamyl aminopeptidase, onpg, tributyrin hydrolysis, and sensitivity to the disk of 10 micrograms of colistin. a correct identification was obtained in the 65 strains of neisseria gonorrhoeae, the 33 of n. meningitidis, the 12 of n. lactamica, and the 56 of b. catarrhalis. the method was also able to d ...19911677275
restriction enzyme analysis of chromosomal dna and its application in epidemiological studies.the ability to examine the bacterial genome directly eliminates the problems associated with the variable expression of proteins which may be encountered with protein-based typing or 'fingerprinting' techniques. bacterial dna is extracted by a rapid method, digested with a restriction endonuclease and the resulting fragments separated by gel electrophoresis to give a characteristic banding pattern. the choice of restriction endonuclease for a particular bacterial species is critical; an enzyme w ...19911679812
a comparison of the in-vitro activity of clarithromycin, a new macrolide antibiotic, with erythromycin and other oral agents.on the basis of minimum inhibitory concentrations clarithromycin (6-o-methylerythromycin), a new macrolide, was found to be slightly more active than erythromycin against staphylococcus aureus, enterococci. moraxella catarrhalis, gardnerella vaginalis, bacteroides fragilis (sensu stricto) and b. ureolyticus and slightly less active against coagulase-negative staphylococci, alpha- and beta-haemolytic streptococci, haemophilus influenzae, campylobacter coli/jejuni and the b. melaninogenicus/oralis ...19911684981
mechanism of adherence of moraxella (branhamella) catarrhalis.we examined the mechanisms of adherence of moraxella catarrhalis to nasopharyngeal epithelial cells. fimbriae were detected by electron microscopy on most of the strains studied. a role of fimbriae in adherence was supported by the reduction in adherence by treatments denaturing the fimbriae or by antifimbrial antibodies. there was, however, no significant difference in adhesive capacity or hemagglutination between fimbriated and non-fimbriated strains. furthermore, there was no correlation betw ...19911685025
bronchial hyperresponsiveness and bacterial respiratory infections.some studies suggest a potential role for bacterial respiratory tract infections in the development of bronchospasm and the progression of chronic obstructive pulmonary disease (copd). patients with bronchiectasis or cystic fibrosis have exaggerated airway reactivity; croup in children can also cause exaggerated upper and lower airway responsiveness. bronchial obstruction after inhalation of haemophilus influenzae and other bacteria has been reported. between january 1989 and june 1990 we and tw ...19911709390
possible presence of a capsule in branhamella catarrhalis.clinical isolates of branhamella catarrhalis from patients with respiratory infections were used in this study. electron microscopic observation after treating branhamella catarrhalis with immune serum and ruthenium red revealed the capsule. in the phagocytosis test, most organisms were not ingested by human polymorphonuclear neutrophils in the presence of normal rabbit serum (nrs), while organisms were primarily cell associated and apparently ingested in the presence of immunized rabbit serum ( ...19911719358
histidine decarboxylases from bacteria that colonise the human respiratory tract.we investigated whether production of histamine by bacteria isolated from sputum of patients with infective lung diseases could be attributed to the presence of histidine decarboxylase (hd). twenty gram-positive and 20 gram-negative organisms were studied for their ability to decarboxylate 14c-histidine in vitro over the ph range 4.5-7.5. of the bacteria investigated, lysates from the gram-negative species haemophilus influenzae, h. parainfluenzae, moraxella (branhamella) catarrhalis and pseudom ...19911721655
the use of oral antibiotics in daily clinical practice.in the treatment of infectious diseases in daily clinical practice, the physician is faced with a wide choice of antibiotics. rational antibiotic use requires knowledge of the pathogens causing disease at that site, and the prevalence of resistance. in outpatient respiratory tract infection, for example, 3 pathogens, branhamella (moraxella) catarrhalis, haemophilus influenzae and streptococcus pneumoniae, predominate, beta-lactamase production by the first 2 is a significant factor in antibiotic ...19911725147
direct and indirect pathogenicity of beta-lactamase-producing bacteria in respiratory tract infection in children. role of cephalosporins resistant to enzymatic hydrolysis.a recent increase in the incidence of beta-lactamase-producing aerobic and anaerobic bacteria in upper respiratory tract infection has been associated with an increase in the failure rate of penicillin treatment of these infections. experimental evidence for this correlation has been reported by many investigators, who have described the sheltering of susceptible pathogens by beta-lactamase-producing organisms as 'indirect pathogenicity'. the organisms implicated in mixed infections that coopera ...19911725149
clinical efficacy and tolerability of cefixime in the treatment of acute sinusitis.in a noncomparative trial, 73 adults with acute sinusitis confirmed by x-ray received cefixime 400mg once daily for approximately 10 days. at the end of treatment, 60 patients (82%) were cured, 2 (2.7%) had improved and 7 (9.6%) had failed therapy; 4 patients were not evaluable. no relapses were observed at follow-up. haemophilus influenzae, streptococcus pneumoniae and branhamella (moraxella) catarrhalis were the main pretreatment pathogens, accounting for 65% of all bacterial isolates. overall ...19911725150
cefpodoxime proxetil in upper respiratory tract infections.cefpodoxime proxetil is a new third generation oral cephalosporin, which shows potent antibacterial activity against both gram-positive and gram-negative bacteria, and high stability in the presence of beta-lactamases. low concentrations of cefpodoxime inhibit most respiratory pathogens, including haemophilus influenzae, streptococcus pneumoniae, and moraxella (branhamella) catarrhalis. cefpodoxime reaches concentrations of 0.24 +/- 0.06 mg/kg in tonsils, 0.89 +/- 0.80 mg/kg in lung parenchyma, ...19911726205
cefpodoxime proxetil in the treatment of lower respiratory tract infections.cefpodoxime proxetil is the orally absorbed ester of cefpodoxime, a new third generation cephalosporin. in the gastrointestinal tract, cefpodoxime proxetil is hydrolysed to cefpodoxime, which has potent antibacterial activity against the major bacterial pathogens involved in lower respiratory tract infections: haemophilus influenzae, moraxella (branhamella) catarrhalis (including beta-lactamase-producing strains), and streptococcus pneumoniae (including amoxicillin-resistant strains). six random ...19911726206
comparison of two rapid methods used in the identification of haemophilus and moraxella species.both haemophilus influenzae and moraxella catarrhalis cause pneumonia in children and adults. the timely isolation and identification of these two organisms is important for the initiation of antibiotic therapy. this paper compares two commercial systems with traditional biochemical methods with respect to accuracy, cost and turn-around-time.199110119493
significance of haemophilus spp. and branhamella catarrhalis in upper respiratory tract infections.haemophilus influenzae and branhamella catarrhalis can be considered inhabitants of the upper respiratory tract in humans. although the pathogenetic role of h. influenzae cannot be discussed, the authors report the mechanisms of pathogenicity of this microorganism; furthermore, they discuss the direct or indirect pathogenicity of b. catarrhalis in respiratory tract diseases and the ability of both microorganisms to produce beta-lactamases. h. influenzae and b. catarrhalis, together with s. pneum ...199112041752
receptors for human plasminogen on gram-negative bacteria.a total of 188 strains representing 11 species of gram-negative bacteria were examined for the ability to interact with human plasminogen. highly purified human plasminogen was labeled with 125i, and its uptake by different bacterial strains was measured. all 14 strains of haemophilus influenzae and all 13 strains of branhamella catarrhalis tested were positive with respect to plasminogen uptake. also, eight species belonging to the family enterobacteriaceae were tested, and of those, proteus mi ...19901688419
studies of the outer membrane proteins of branhamella catarrhalis.branhamella catarrhalis has emerged as an important human pathogen in the past several years. therefore, studies of the outer membrane have been undertaken in order to identify virulence factors and begin to understand the immune response to infection.19901692665
on the proteolytic activity of contact lenses and bacteria.contact lens wear (clw) has been shown to cause an elevation in tear fluid (tf) plasmin levels. this study investigated whether the proteolytic activity assayed by a caseinolytic technique was also bound by cls and whether certain bacterial species contribute to the production of plasmin. cls worn by patients with corneal disease showed proteolytic activity in five out of nine cases when examined on casein agar. histological and electron microscopic examination of the lenses revealed bacterial a ...19901699389
fulminant branhamella catarrhalis tracheitis.branhamella catarrhalis, a well known commensal of the normal respiratory flora, is being increasingly implicated as an aetiological agent in various acute respiratory and non-respiratory infections. b. catarrhalis has demonstrated a particular predilection for turning pathogenic in the immunocompromised host. bacterial tracheitis, presenting as an acute airway obstruction, is commonly caused by staphylococcus aureus and haemophilus influenzae. the unusual occurrence of a fulminant b. catarrhali ...19901699488
branhamella catarrhalis: antigenic determinants and the development of the igg subclass response in childhood.a recently developed whole cell elisa was used to investigate the development of igg subclass antibodies to branhamella catarrhalis in childhood. in addition, sds-page and immunoblotting were used to study the interaction between the outer membrane proteins (omps) of b. catarrhalis and igg subclass antibodies. specific igg3 antibodies were undetectable or present only in low amounts in children less than 4 years old but were an important constituent of the response of older children. omps prepar ...19901700025
interpretation of gram-stained sputa containing moraxella (branhamella) catarrhalis.sputum specimens culture positive for moraxella (branhamella) catarrhalis were gram stained with three decolorizer solutions (slow, 95% ethyl alcohol; intermediate, 1:1 ratio of 95% ethyl alcohol and acetone; and fast, acetone alone) for 5, 10, 20, and 30 s. optimal results were obtained with acetone alone after 10 s or with a 1:1 mixture of acetone and ethanol after 20 s. inadequate decolorization of m. catarrhalis in sputa is likely if the decolorization solution and exposure time are not opti ...19901701446
[tuberculosis sequelae: secondary bacterial infections].bacterial infections is one of the most important complications in the patients with pulmonary tuberculosis. we reported the causative microorganisms in these cases with special reference to various clinical features and presented the recommended treatment and prophylaxis against respiratory bacterial infections in the patients with pulmonary tuberculosis sequelae. in 1988 and 1989, 63 patients with tuberculosis sequela were demonstrated to have been infected with respiratory pathogenic bacteria ...19902077264
in-vitro activity of sparfloxacin, a new quinolone antimicrobial agent.the in-vitro activity of sparfloxacin (at-4140), a new difluorinated quinolone, was compared with those of ciprofloxacin, temafloxacin and selected members of other groups of antimicrobial agents, against 651 recent distinct clinical isolates and strains with known mechanisms of resistance. three strains of chlamydia trachomatis were also studied. the mics for 90% of the enterobacteriaceae were between 0.06 and 1 mg/l; for pseudomonas aeruginosa the mic90 was 2 mg/l. sparfloxacin was 16-fold mor ...19902079449
[anaerobic bacteria detected in inflammatory conditions of the respiratory tract].in this study a participation of anaerobic bacteria in respiratory tract diseases is presented. bronchial washings collected by ++fibrobronchoscope constituted material for the study. immediately after collection the material was plated onto two media for aerobic bacteria (hemomedium) and anaerobic bacteria (anaeromedium). then, the samples were centrifuged and a sediment was plated on solid media suitable for aerobic and anaerobic bacteria. bacterial anaerobic isolates were identified by using ...19902084446
[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
evaluation of bacto tb hydrolysis reagent (tween 80) for the identification of branhamella catarrhalis.an investigation of the hydrolysis of tween 80 reagent by branhamella catarrhalis and related organisms (neisseria and moraxella species) revealed that only b. catarrhalis gave a positive result. a total of 226 strains, including reference organisms and clinical isolates, were studied. b. catarrhalis changed the color of the reagent from amber to pink-red after overnight incubation. we recommend this simple and cost-effective test as an alternative procedure to dnase testing or tributyrin hydrol ...19902105335
cefaclor treatment of upper and lower respiratory tract infections caused by moraxella catarrhalis.a retrospective analysis of data from 18 clinical studies was performed to examine the effectiveness and safety of cefaclor in the treatment of upper and lower respiratory tract infections caused by moraxella catarrhalis (previously called branhamella catarrhalis). eighty-six percent of 56 evaluable patients had improvement in their symptoms of infections following therapy with cefaclor. there were no serious or life-threatening adverse drug experiences reported by any patient. cefaclor appears ...19902105479
[infections caused by branhamella catarrhalis].branhamella catarrhalis, formerly neisseria catarrhalis, is a common bacteriological finding in the upper respiratory tract in infancy, and it ranks third on the list of bacterial causes of otitis media and sinusitis. in adults branhamella catarrhalis may cause acute exacerbations of bronchitis and pneumonia, especially in patients with chronic lung disease. branhamella catarrhalis is being recognized more frequently as a nosocomial pathogen and it may cause septicaemia in immunocompromised pati ...19902106743
antibodies against streptococcus pneumoniae, haemophilus influenzae and branhamella catarrhalis in middle ear effusion during early phase of acute otitis media.serum type (igg, igm and iga-class) and secretory type antibodies specific to streptococcus pneumoniae (pn), haemophilus influenzae (hi) and branhamella catarrhalis (br) were measured by enzyme-linked immunosorbent assay (elisa) in 46 serum and 114 middle ear effusion (mee) samples from 85 children with acute otitis media (aom). the samples were obtained within 12 h from the onset of the ear symptoms. serum (but not secretory) type antibodies to the infecting pn serotype were found in 24% of the ...19902106760
branhamella catarrhalis pneumonia with bacteremia in a pediatric patient with smoke inhalation.branhamella catarrhalis, a common inhabitant of the upper respiratory tract, has been identified recently as a cause of lower airway infection. in this report we present a case of b. catarrhalis pneumonia and bacteremia in a child with smoke inhalation as the first description of invasive disease involving this organism in a traumatized airway. in addition, other pediatric cases of b. catarrhalis bacteremia are reviewed, suggesting immunocompromise as a risk factor.19902107181
serological typing of branhamella catarrhalis strains on the basis of lipopolysaccharide antigens.a total of 302 strains of branhamella catarrhalis from different parts of the world were serologically typed according to their lipopolysaccharide (lps) antigenicity. for this purpose, an inhibition enzyme-linked immunosorbent assay was developed using the following reagents: antisera raised against whole bacterial suspensions for a panel of 16 serotype strains and lps prepared from these strains by phenol extraction. antisera were absorbed with whole bacterial suspensions of the b. catarrhalis ...19902107197
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