نتایج جستجو برای: penicillin g
تعداد نتایج: 453579 فیلتر نتایج به سال:
The enzymatic synthesis of amoxicillin is catalyzed by Penicillin G Acylase (PGA). As byproducts, hydroxyphenylglycine and alcohol are also formed from hydrolytic reactions and antibiotic synthesis, respectively. The design of this process should be directed to promote the synthesis reaction. At the same time, it is necessary to reduce the hydrolytic reaction of amoxicillin through its crystall...
BACKGROUND Cellulitis (erysipelas) is a recurring and debilitating bacterial infection of the skin and underlying tissue. We assessed the cost-effectiveness of prophylactic antibiotic treatment to prevent the recurrence of cellulitis using low dose penicillin V in patients following a first episode (6 months prophylaxis) and more recurrent cellulitis (12 months prophylaxis, or 6 months in those...
Leucoderma syphiliticum (LS), originally described as syphilide pigmentaire, encompasses a spectrum of dyschromic lesions that emerge during the course of secondary syphilis. Very few case reports are available in modern biomedical databases. We present the case of a 57-year-old HIV-infected male patient who presented with several round to oval, non-scaling, slightly raised and well-demarcated ...
Background: Occurrence of Neisseria gonorrhoeae isolates which are resistant to multiple antimicrobial agents is proving to be a serious public health problem in different corners of the globe. The main objective of the current study was to analyze the antimicrobial susceptibility pattern of N. gonorrhoeae isolates in Northwest Ethiopia. Methods: This was a retrospective study of the susceptibi...
Probenecid by inhibiting the renal excretion of penicillin raises its serum level (Boger, Beatty, Pitts, and Flippin, 1950; Burnell and Kirby, 1951; Meads, Knight, and Izlar, 1951; Frisk, Diding, and Wallmark, 1952), a pharmacological effect of which increasing use has been made in the treatment of gonorrhoea (Hilton, 1959; Jensen, Kvorning, and N0rredam, 1963; Holmes, Johnson, and Floyd, 1967;...
Based upon a review of published clinical observations regarding syphilitic amyotrophic lateral sclerosis (ALS), I hypothesize that syphilis is actually a confounding factor, not a causative factor, in syphilitic ALS. Moreover, I propose that the successful treatment of ALS symptoms in patients with syphilitic ALS using penicillin G and hydrocortisone is an indirect consequence of the treatment...
Actinomyces meyeri is an uncommon cause of human actinomycosis. Here, we report a rare case of empyema caused by A. meyeri. A 49-year-old male presented with a history of 10 days of dyspnea and chest pain. A large amount of loculated pleural effusion was present on the right side and multiple lung nodules were documented on radiological studies. A chest tube was inserted and purulent pleural fl...
An ideal antibiotic for therapy of infections due to facultative intracellular organisms would enter phagocytes readily and kill intracellular bacteria. We have examined the consequences of antibiotic uptake by human polymorphonuclear lymphocytes (PMN) on intraphagocytic bactericidal activity, using antibiotics which differ markedly in their ability to enter PMN. After ingestion of Staphylococc...
INTRODUCTION AND OBJECTIVES Macrolides have been associated with proarrhythmic properties, but the evidence is conflicting. We evaluated the risk of out-of-hospital cardiac arrest (OHCA) associated with specific macrolides in a retrospective study. Associations between specific macrolides and OHCA were examined by conditional logistic regression analyses in case-crossover and case-time-control ...
Using a rabbit sterile peritonitis model, we compared the penetration of intravenously administered amikacin, gentamicin, and penicillin G into peritoneal exudate. Peritonitis was induced with sterile normal saline, and the peritoneal exudate contained 23,751 +/- 3,039 granulocytes 8 h later. Antibiotics were administered intravenously 3 h after initiating peritonitis, and serum and peritoneal ...
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