Drugs online research references
Antibiot Khimioter. 2000;45(10):15-8.
[Microbiological evaluation of antibiotics for empirical therapy of community-acquired infections of the lower respiratory tract]
[Article in Russian]
Bogdanov MB, Chernen'kaia TV.
Hospital No.1 of Moscow ZIL Auto Plant, Moscow.
During first 3 days after patient hospitalization with pneumonia or chronic obstruction pulmonary disease (COPD) pathogens in sputum were studied according NCCLS standards (for 1999 year). Among 93 pathogens isolated in pneumonia the most frequent were S. pneumoniae (41.9%), H. influenzae (21.5%). Among 232 pathogens isolated in COPD the most frequent were S. pneumoniae (35.5%), H. influenzae (16.8%). Other pathogens were staphylococci, moraxella, gram-negative bacteria. No penicillin-resistant S. pneumoniae, were isolated, the strains with moderate penicillin resistance were less than 3% in both groups. Among H. influenzae isolated from patients with pneumonia 25% were beta-lactamase producers, from COPD patients 21% strains produced beta-lactamase. Totally among all studied pathogens only 58% were sensitive to ampicillin in pneumonia groups and 48% in COPD groups, for azithromycin 70.7% and 71% respectively, for cefuroxime 84.5% and 85% respectively. Ampicillin efficacy for empirical treatment of community-acquired low respiratory tract infections was substantially less than that of modern antibiotics.
online pharmacy ref source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=11212394&dopt=Abstract
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Bull World Health Organ. 2001;79(1):8-14. Epub 2003 Nov 05.
Pilot study of the use of community volunteers to distribute azithromycin for trachoma control in Ghana.
Solomon AW, Akudibillah J, Abugri P, Hagan M, Foster A, Bailey RL, Mabey DC.
Clinical Research Unit, London School of Hygiene and Tropical Medicine, England.
OBJECTIVE: To assess the skills of community health volunteers in diagnosing active trachoma and distributing azithromycin in the Northern Region of Ghana. METHODS: Six community health volunteers from Daboya were trained to diagnose trachoma and to treat the disease using azithromycin. They were also informed of the drug's possible side-effects. Under supervision, each volunteer then examined, and if necessary treated, 15 households. The dose of azithromycin was determined by weight; height was also measured. Tablets were given in preference to suspension when possible. RESULTS: The volunteers' diagnostic sensitivity for active trachoma was 63%; their specificity was 96%. At the household level, their "decision to treat" was correct in 83% of households. In 344 treatment episodes, volunteers planned a dose of azithromycin outside the range 15-30 mg/kg on only seven occasions (2.0% of all planned treatments). The volunteers' drug management skills were good, the response of the community was excellent, and adverse reactions were infrequent. Diagnosis of active trachoma, record-keeping skills, and knowledge of side-effects were found to need greater emphasis in any future education programme. Most people aged four years or older were able to swallow tablets. For those taking tablets, the correlation between the data gathered for height and weight shows that calculating azithromycin doses by height is a valid alternative to calculating it by weight. CONCLUSION: Trained community health volunteers have a potential role in identifying active trachoma and distributing azithromycin. To simplify training and logistics, it may be better to base dosage schedules on height rather than weight for those taking tablets, which included most people aged four years or more in the population studied.
online pharmacy ref source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=11217675&dopt=Abstract
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BACKGROUND: Treatment of malaria represents a problem as antimalarial drugs are relatively few, and because of the increasing widespread resistance of Plasmodium falciparum to most of these drugs. A partial efficacy of azithromycin against Pl. falciparum hepatic stage and against trophozoytes in the erythrocytic stages of the disease has been demonstrated. No data concerning the activity against gametocytes are available, and primaquine stands as the only therapy against Pl. falciparum gametocytes. Primaquine causes haemolysis in patients with glucose-6-phosphate dehydrogenase (G6PD) deficiency, so primaquine therapy is usually avoided. A better tolerated therapy against gametocytes would be useful to reduce malaria transmission. We present the results of a study concerning the efficacy of azithromycin in the treatment of P. falciparum gametocytes. METHODS: A prospective study was performed: 4 patients with Pl. falciparum gametocytes (3 children, 1 adult) were treated with azithromycin for concomitant bacterial infections; in the meantime two children with gametocytes were taken as control. Azithromycin was administered as recommended. RESULTS: Gametocytes were detectable in children thick blood smears after 8, 5 and 6 days respectively after the beginning of azithromycin therapy, while they were undetectable in the adult thick blood smear 5 days after the beginning of the therapy. The gametocytes spontaneously disappeared in the two controls 4 to 6 days after the beginning of observation. CONCLUSIONS: These data suggest that azithromycin seems ineffective against Pl. falciparum gametocytes. Further studies are needed in order to determine whether azithromycin treated gametocytes are infective to mosquitoes or not, and to confirm this first observation.
online pharmacy ref source: www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=11218625&dopt=Abstract
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