نتایج جستجو برای: levofloxacin
تعداد نتایج: 3327 فیلتر نتایج به سال:
The preferential use of older antimicrobial agents is, in general, sound public health policy and is meant to maintain susceptibility to newer agents. In the case of fluoroquinolones, however, this strategy is flawed and may actually hasten the spread of Streptococcus pneumoniae strains resistant to newer members of the class. In a mouse thigh infection model, we were unable to isolate clones o...
BACKGROUND Levofloxacin has been shown to be effective in Helicobacter pylori eradication. Two 10-day levofloxacin-based triple therapies were compared with standard 7- and 14-day quadruple regimens in second-line treatment. METHODS Two hundred and eighty consecutive patients who failed to respond to standard triple therapy (clarithromycin, amoxicillin, rabeprazole) were randomly assigned to ...
BACKGROUND Little attention has been paid to the factors that influence choice of antibiotic therapy for patients with community-acquired pneumonia who are treated on an ambulatory basis in an emergency department setting. METHODS Prospective observational study of all patients who presented to the 6 hospitals for adults in the Capital Health Authority, Edmonton, Alberta, with community-acqui...
Pharmacokinetic and efficacy studies with levofloxacin were performed in the common marmoset (Callithrix jacchus) model of inhalational tularemia. Plasma levofloxacin pharmacokinetics were determined in six animals in separate single-dose and multidose studies. Plasma drug concentrations were analyzed using liquid chromatography-tandem mass spectrometry-electrospray ionization. On day 7 of a tw...
Sir, I read with great interest Dr Peter Ball’s recent leading article on quinolone-induced QT interval prolongation. The author’s ‘re-examination of the facts’ is an admirable effort to discuss recently highlighted fluoroquinolone safety issues. While agreeing that well-studied, and generally safe, antibiotics should be used for the treatment of infections, regardless of minor QT prolongation ...
The safety and pharmacokinetics of a once-daily high intravenous dose of levofloxacin (750 mg) in 18 healthy volunteers were studied in a double-blind, randomized, placebo-controlled, single-center parallel group study. Levofloxacin was well tolerated, and higher maximum concentration of drug in serum and area under the concentration-time curve values were achieved. For difficult-to-treat infec...
Fluoroquinolones are widely recommended as empirical monotherapy for community-acquired pneumonia. Since 1999, case reports of failure of levofloxacin therapy due to levofloxacin-resistant strains of Streptococcus pneumoniae have started to appear. Most worrying is that, in some cases, levofloxacin resistance has been acquired by pneumococci within days of the initiation of therapy. Because use...
A national survey on susceptibility patterns of 334 Pseudomonas aeruginosa isolates from intensive care units and hematology and oncology wards from 13 Italian hospitals compared the in vitro activity of levofloxacin, an injectable oral fluoroquinolone, to those of ciprofloxacin, ofloxacin, ceftazidime, imipenem, amikacin, and gentamicin. Amikacin and imipenem had the best susceptibility profil...
Levofloxacin, a fluoroquinolone and L-isomer of the racemate ofloxacin, has been approved for the treatment of acute and chronic bacterial infections. Gastrointestinal complaints are the most frequently reported adverse drug reactions to fluoroquinolones. Other adverse events include headache, dizziness, increased liver enzyme levels, photosensitivity, tachycardia, QT prolongation, and eruption...
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