Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0348321 (Haemophilus)
 15,372 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Betalactamase-producing organisms are responsible for an increasing number of ENT and lower respiratory tract infections. Or cephalosporins and the combination of amoxicillin with the beta-lactamase inhibitor clavulanic acid are alternatives to ampicillin therapy. The killing activity of cefadroxil on the organisms most often responsible for ENT and respiratory infections was evaluated in vitro using a viable bacteria count method, comparatively with cefaclor, josamycin, and amoxicillin-clavulanic acid. Killing activity was found to be time-dependent for all the antimicrobial agents studied. Cefadroxil exhibited the same bactericidal effect on Streptococcus pyogenes and S. pneumoniae than the other agents. Haemophilus influenzae and an increasing number of Pneumococcus strains were resistant to josamycin which is therefore not appropriate for first-line therapy. As compared with amoxicillin and amoxicillin-clavulanic acid, cefadroxil was less active on H. influenzae and more active on Staphylococcus aureus. Production of beta-lactamase failed to influence the killing activity of cefadroxil. These bacteriologic data, together with results of pharmacologic studies (long half-life and good penetration within tissues) can explain the clinical successes obtained with cefadroxil in ENT and lower respiratory tract infections.
 ...
PMID:[Bactericide activity of cefadroxil comparated with amoxicillin-clavulanic acid, cefaclor and josamycin]. 175 16

The combination of erythromycin ethylsuccinate and acetyl sulfafuroxazole (Pediazole = ES) is effective against Hemophilus influenzae, including beta-lactamase-producing strains, and against Streptococcus pneumoniae, including macrolide-resistant strains. In this study, mean daily dosage was 40-50 mg/kg for cefaclor and 50 mg/kg ES + 150 mg/kg sulfamide for Pediazole. Both products were given in three divided doses per day for ten days. Tolerance was evaluable in 106 children and effectiveness in 103 children including 52 in the ES group and 51 in the cefaclor group. Mean age was 23.5 months and both groups were comparable as concerns age, weight, previous ENT disease, and severity of the otitis media. Tolerance was satisfactory in both groups. Clinical results were as follows: failures before or at completion of the course, 5/52 in the ES group versus 13/51 in the cefaclor for the treatment of children with acute otitis media.
 ...
PMID:[An open randomized trial, Pediazole versus cefaclor in the treatment of acute otitis media in children]. 202 23

Cefixime was used in the treatment of 59 patients, 44 of whom had sinusitis, 9 otitis media and 6 various ENT infections. The clinical and bacteriological effectiveness of the drug could be evaluated in 44 patients and its safety in all 59 patients. The most common responsible pathogens were Haemophilus influenzae, streptococci including Streptococcus pneumoniae and various Enterobacteriaceae. In more than 50 per cent of the cases, the clinical picture was one of acute exacerbation of a chronic infection. The patients received cefixime 200 mg b.d. for a mean duration of 12 days. Clinical cure was achieved in 80 per cent. Fourteen out of 44 patients underwent surgery. Minor abdominal discomfort was reported by 15 per cent of the patients, and one discontinued therapy because of side-effects. Cefixime was effective and well tolerated. It is suitable for the treatment of ENT infections in adults, such as those treated in this study.
 ...
PMID:[Efficacy and tolerability of cefixime in the treatment of otorhinolaryngeal infections in adults]. 253 May 44

This retrospective hospital study concerns 159 infectious episodes observed in 60 patients with chronic lymphoid leukaemia (CLL) staged A, B or C on first admission. The most frequent site of infection was pulmonary (33%), followed by ENT and stomatological infections (15%), septicaemia (9%), urinary and genital tracts infections (9%), herpes virus infections (9%), skin and soft tissue purulent sepsis (8%), digestive tract (3%) and meningeal (1%) infections and isolated fever (8%). Seventy nine bacteria were isolated, including 35 Gram-positive cocci (Staphylococcus spp. 12, Streptococcus spp. 13, D. pneumoniae 5, Enterococcus spp. 5), 43 Gram-negative bacilli (Enterobacteriaceae 36, Pseudomonas spp. 5, Haemophilus influenzae 2) and 1 M. tuberculosis. The other documented infections were: candidiasis 11, viral infections 19 (including 17 of the herpes group) and 2 parasitoses (1 pneumocystosis, 1 toxoplasmosis). Sixteen patients died of toxic -infectious shock (9 cases, including 1 meningitis) or pneumonia (7 cases, including one chicken-pox). Stage C leukaemia and granulopenia (less than 1 X 10(9) PN/l) were associated with significantly more frequent and severe infections.
 ...
PMID:[Severe infections associated with chronic lymphoid leukemia. 159 infectious episodes in 60 patients]. 294 30

Three hundred and one patients with maxillary sinusitis participated in a double-blind, randomized study at 11 ENT-clinics in Europe. Sinusitis was diagnosed by the presence of at least two signs and symptoms and sinus X-ray showing more than 6 mm swelling of the maxillary mucosa. A microbiological specimen was obtained by intrasinusal aspiration. The patients were randomly assigned to treatment either with bacampillin 800 mg b. i. d. or with amoxicillin 500 mg t. i. d. for ten days. The most frequently isolated bacteria were Haemophilus influenzae (94 strains), Streptococcus pneumoniae (66 strains) and Branhamella catarrhalis (12 strains). In 96 of the patients, no microorganisms could be isolated. Beta-lactamase production was found in one H. influenzae strain and in three B. catarrhalis strains. Two hundred and seventy-one patients could be evaluated for efficacy at the follow-up visit day 8-25. The overall clinical outcome was the same in both treatment groups. Adverse events such as skin reactions and upper and lower gastrointestinal reactions occurred in 17.4% of the amoxicillin treated patients and in 10.8% of the bacampicillin treated patients (p = 0.101).
 ...
PMID:Efficacy of penicillin treatment in purulent maxillary sinusitis. A European multicenter trial. 314 Dec 90

The authors report the results of the study of 435 bacteriological samples taken in children presenting with acute otitis media, in the out-patient department of ENT at the hospital Bretonneau (Paris) and in Valognes (Manche) from October 1981 to September 1987. Three bacterial organisms prevailed: Haemophilus (37 and 22% respectively), S. pneumoniae (25 and 7%) and Staphylococcus (16 and 17%). Pseudomonas was fairly frequent in cases with otorrhea, even when recent. Comparison with other studies shows the clear progression of the incidence of Haemophilus in acute otitis media. The percentage of the strains secreting a beta-lactamase was 17% whether the children live in the country or in town. The frequency of S. pneumoniae was independent of age but was clearly lower in cases with prolonged or relapsing otitis. According to these results, the authors discuss the therapeutic strategy for acute otitis media. Amoxicillin still remains the antibiotic of choice. In case of persisting or relapsing otitis, the bacteriological examination will allow choosing the best adapted antibiotic: first generation cephalosporin, clavulanic acid and amoxicillin or trimethoprime and sulfamethoxazole.
 ...
PMID:[Bacteriologic study of acute otitis media in hospitals and private practice]. 320 71

Five cases of meningitis due to Haemophilus influenzae type b are reported. In four, the same pathogen was recovered from blood. In every case, meningitis developed despite administration of macrolides for ENT infections (4 cases) or pneumonia (1 case). These five observations are conclusive evidence that macrolides failed to prevent meningeal diffusion of Haemophilus influenzae presumptively responsible for the initial focal infection. In vitro activity of macrolides against Haemophilus influenzae is poor. For the treatment of ENT infections in pediatric patients aged 2 months to 5 years, the age group most susceptible to infection by Haemophilus influenzae, we recommend amoxicillin which is more active and bactericidal. An adequate dosage should be used (50 to 100 mg/kg/24 h) divided into four oral doses given at six hour intervals. This therapeutic attitude may need to be revised if the prevalence of beta-lactamase-producing H. influenzae strains (5 to 10% as of now) were to increase. In this case, use of an amoxicillin-clavulanic acid combination under the same conditions as outlined above may prove satisfactory. Correct administration of judiciously chosen antibiotics in ENT infections in infants and children is the most effective means of preventing meningitis due to H. influenzae.
 ...
PMID:[Haemophilus influenzae infections in infants and macrolides. Importance of the choice of an effective antibiotic and compliance with its administration schedule]. 389 73

In a prospective investigation of the treatment of glue ear in children, the possible role of persistent infection in the tonsils and adenoids was assessed by comparing bacterial cultures of swabs and resected tissue from the tonsils and adenoids of patients with cultures of swabs from similar sites in control subjects without ENT abnormality. For almost all potential pathogens, including Streptococcus pneumoniae and Haemophilus influenzae, no statistically significant differences were demonstrated between patients and controls. The same was true of Streptococcus pyogenes in tonsil specimens, while in adenoid specimens rather more isolates were obtained in patients than controls. This difference was just statistically significant at the 5% level, but only when all isolations, including very scanty growths, were compared. On present evidence, persistent infection should not be invoked to explain the success of adenoidectomy in otitis media with effusion or to justify adenotonsillectomy.
 ...
PMID:Are the tonsils and adenoids a reservoir of infection in otitis media with effusion (glue ear)? 390 97

The aim of the present investigation was to determine to what extent beta-lactamase producing Haemophilus influenzae (H.i.) and Branhamella catarrhalis (B.c.) were isolated in cases of failure of treatment of acute otitis media (AOM) with phenoxymethylpenicillin. Among children with suspected therapeutic failure referred to an ENT specialist altogether 11, 15% of those referred, fulfilled the criteria of AOM. Three of them were on erythromycin, 1 on ampicillin and 7 on phenoxymethylpenicillin. In 5 of the children treated with phenoxymethylpenicillin H.i. was isolated from middle ear exudate and/or the nasopharynx. All H.i. isolates were non-capsulated and beta-lactamase negative. One beta-lactamase producing B.c. was isolated from the nasopharynx in a patient with pure culture of H.i. in the ear exudate. The present investigation did not support the suggestion that beta-lactamase producing H.i. or B.c. are major causative agents in therapeutic failures of AOM treated with phenoxymethylpenicillin and did not produce any evidence supporting a change from the recommended ampicillin esters/amoxycillin in therapeutic failures.
 ...
PMID:Phenoxymethylpenicillin and therapeutic failure in acute otitis media. 393 32

In Val-de-Marne District there is a permanent medical network to check up all cases of infectious meningitis. H. influenzae meningitis are increasing and represent 25% of all purulent meningitis (mainly infants of less than 6 years old) diagnosed in this area, second only to the meningococcus. English authors find Haemophilus influenzae to be as contagious as the meningococcus. Public Health physicians have to know these informations in order to prevent infection in communities; systematic throat culture with antibiograms, regular medical check-up, disinfection, exclusion from school and the choice of prophylactic anti-biotherapy are discussed. Many drugs have been proposed ampicillin, rifampicin, spiramycin, erythromycin, pristinamycin, tetracyclin. None of them managed to get a unanimous approval. The probably temporary solution is to follow the same guidelines than for the meningococcus infections and contaminations. They are described in details in the n degrees 8 Ministerial Memorandum dated January 28, 1980. About chimioprophylaxy, the physicians have to judge any single case as a whole. First ENT infections in those communities have to be totally treated.
 ...
PMID:[Public health problems posed by the occurrence of Haemophilus meningitis in limited communities and especially its chemophophylaxis]. 634 42


1 2 3 Next >>