期刊
JOURNAL OF CARDIOTHORACIC AND VASCULAR ANESTHESIA
卷 17, 期 2, 页码 221-225出版社
W B SAUNDERS CO
DOI: 10.1053/jcan.2003.51
关键词
antibiotic prophylaxis; congenital cardiac disease; cardiac surgery; cefazolin; gentamicin
Objective: Antibiotic prophylaxis is recommended in pediatric cardiac surgery, but no data concerning the current antibiotic regimen were available. Design: Prospective study from April to June 2000. Setting: University hospital operating room and postoperative intensive care unit. Participants: Nineteen consecutive infants less than 10 kg with normal renal function undergoing cardiac surgery with cardiopulmonary bypass longer than 30 minutes. Interventions: Intravenous administration of cefazolin, 40 mg/kg, and gentamicin, 5 mg/kg, at induction of anesthesia; followed by cefazolin, 35 mg/kg every 8 hours, and gentamicin, 2 mg/kg every 12 hours, over 48 hours. Measurements and Main Results: Levels of serum antibiotics were measured: cefazolin (microbiologic) and gentamicin (fluorescence immunoassay) with 8 intraoperative and 5 postoperative samplings. Intraoperatively, cefazolin levels decreased from 166 +/- 44 (mean +/- standard deviation) down to 54 +/- 16 mug/mL and gentamicin from 20.8 +/- 9.5 down to 5.9 +/- 1.5 mug/mL. The postoperative trough levels were 12 7, 15 10, and 19 +/- 22 mug/mL for cefazolin and 1.1 +/- 0.5, 0.8 +/- 0.4, and 0.8 +/- 0.9 mug/mL for gentamicin. Conclusions: Antibiotic serum levels are consistent with satisfactory efficacy, but intraoperative gentamicin peak levels appeared too high. (C) 2003 Elsevier Inc. All rights reserved.
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