A Retrospective, Comparative Evaluation of Dysglycemias in Hospitalized Patients Receiving Gatifloxacin, Levofloxacin, Ciprofloxacin, or Ceftriaxone
Abstract
STUDY OBJECTIVES: To compare rates of blood glucose abnormalities in hospitalized patients receiving fluoroquinolones or ceftriaxone, and to describe the characteristics of patients who develop blood glucose abnormalities while receiving these agents. DESIGN: Retrospective chart review. SETTING: Two community-based hospitals in the Houston, Texas, region. PATIENTS: Seventeen thousand one hundred eight patients who received fluoroquinolones or ceftriaxone; of those, 101 received levofloxacin, gatifloxacin, or ceftriaxone and also had serum glucose concentrations above 200 or below 50 mg/dl within 72 hours of receiving the drug. MEASUREMENTS AND MAIN RESULTS: Baseline demographics of patients with glucose abnormalities while receiving gatifloxacin, levofloxacin, or ceftriaxone were similar. Mean +/- SD patient age, weight, and estimated creatinine clearance were 67 +/- 17 years, 79 +/- 21 kg, and 52 +/- 32 ml/minute, respectively. Dysglycemia rates relative to treatment were as follows: gatifloxacin 76 (1.01%) of 7540 patients, levofloxacin 11 (0.93%) of 1179, ceftriaxone 14 (0.18%) of 7844, ciprofloxacin 0 (0%) of 545, and any fluoroquinolone 87 (0.94%) of 9264. Dysglycemia was more likely to occur in patients receiving any fluoroquinolone than in those receiving ceftriaxone (relative risk [RR] 3.32, 95% confidence interval (CI) 2.31-4.78, p < 0.05). The rate of dysglycemia did not differ with gatifloxacin and levofloxacin (RR 1.07, 95% CI 0.62-1.86, p = 0.8). Of the 101…
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