Prevention of bloodstream infections with central venous catheters treated with anti-infective agents depends on catheter. type and insertion time:: Evidence from a meta-analysis

被引:89
作者
Walder, B
Pittet, D
Tramèr, MR
机构
[1] Univ Geneva Hosp, Div Surg Intens Care, CH-1211 Geneva 14, Switzerland
[2] Univ Geneva Hosp, Div Anaesthesiol, Dept APSIC, CH-1211 Geneva, Switzerland
[3] Univ Geneva Hosp, Dept Internal Med, Infect Control Program, CH-1211 Geneva 14, Switzerland
关键词
D O I
10.1086/502005
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
OBJECTIVE: To test the evidence that the risk of infection related to central venous catheters (CVCs) is decreased by anti-infective coating or cuffing. DESIGN: Systematic review of randomized, controlled trials comparing anti-infective with inactive (control) CVCs. INTERVENTIONS: Average insertion times were taken as a measurement of the length of insertion. Dichotomous data were combined using a fixed effect model and expressed as odds ratio (OR) with 95% confidence interval (CI95). RESULTS: Two trials on antibiotic coating (343 CVCs) had an average insertion time of 6 days; the risk of BSI decreased from 5.1% with control to 0% with anti-infective catheters. There were no trials with longer average insertion times. In three trials on silver collagen cuffs (422 CVCs), the average insertion time ranged from 5 to 8.2 days (median, 7 days); the risk of BSI was 5.6% with control and 3.2% with anti-infective catheters. In another trial on silver collagen cuffs (101 CVCs), the average insertion time was 38 days; the risk of BSI was 3.7% with control and 4.3% with anti-infective catheters. In five trials on chlorhexidine-silver sulfadiazine coating (1,269 CVCs), the average insertion time ranged from 5.2 to 7.5 days (median, 6 days); the risk of BSI decreased from 4.1% with control to 1.9% with anti-infective catheters. In five additional trials on chlorhexidine-silver sulfadiazine coating (1,544 CVCs), the average insertion time ranged from 7.8 to 20 days (median, 12 days); the risk of BSI was 4.5% with control and 4.2% with anti-infective catheters. CONCLUSIONS: Antibiotic and chlorhexidine-silver sulfadiazine coatings are anti-infective for short (approximately 1 week) insertion times. For longer insertion times, there are no data on antibiotic coating, and there is evidence of lack of effect for chlorhexidine-silver sulfadiazine coating. For silver-impregnated collagen cuffs, there is evidence of lack of effect for both short- and long-term insertion.
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页码:748 / 756
页数:9
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