Ya-Mei Chen1, Ai-Ping Dai2, Yan Shi3, Zhan-Ju Liu4, Mei-Fang Gong5, Xiao-Bing Yin6. 1. Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University, No. 301 Middle Yanchang Road, Shanghai 200072, China. 2. Nursing School, Changsha Medical University, Leifeng Road, Wangcheng District, Changsha 410219, P. R. China. 3. Department of Nursing, Shanghai Tenth People's Hospital, Tongji University, No. 301 Middle Yanchang Road, Shanghai 200072, China. Electronic address: shlzk2002@163.com. 4. Department of Gastroenterology, Shanghai Tenth People's Hospital, Tongji University, No. 301 Middle Yanchang Road, Shanghai 200072, China. Electronic address: liuzhanju88@126.com. 5. Department of Nursing, Shanghai Tenth People's Hospital, Tongji University, No. 301 Middle Yanchang Road, Shanghai 200072, China. 6. Department of Orthopedics, Shanghai Tenth People's Hospital, Tongji University, Shanghai, China.
Abstract
OBJECTIVES: The purpose of this meta-analysis was to examine the effectiveness of silver-impregnated central venous catheters (CVCs) in preventing catheter bacterial colonization and catheter-related blood stream infections (CRBSIs). METHODS: PubMed, Cochrane, and Embase databases were searched up to April 30, 2014. Studies in which other antiseptic reagents were used (e.g., chlorhexidine, octenidine dihydrochloride, urokinase rinses, benzalkonium chloride, rifampin-minocycline) were excluded. Pooled odds ratios (ORs) and 95% confidence intervals (CIs) were calculated. Tests of heterogeneity and publication bias were performed. RESULTS: Twelve studies were included in the meta-analysis. The studies enrolled a total of 2854 patients; 1440 received a standard CVC and 1414 received a silver-impregnated CVC. No significant difference in catheter bacterial colonization rates was found between silver-impregnated and standard CVCs (OR 0.907, 95% CI 0.758-1.087, p=0.290). No significant difference in CRBSI rates was found between silver-impregnated and standard CVCs (pooled OR 0.721, 95% CI 0.476-1.094, p=0.124). No significant heterogeneity or publication bias was noted. CONCLUSIONS: Silver-impregnated CVCs are not associated with reduced rates of bacterial colonization or CRBSI.
OBJECTIVES: The purpose of this meta-analysis was to examine the effectiveness of silver-impregnated central venous catheters (CVCs) in preventing catheter bacterial colonization and catheter-related blood stream infections (CRBSIs). METHODS: PubMed, Cochrane, and Embase databases were searched up to April 30, 2014. Studies in which other antiseptic reagents were used (e.g., chlorhexidine, octenidine dihydrochloride, urokinase rinses, benzalkonium chloride, rifampin-minocycline) were excluded. Pooled odds ratios (ORs) and 95% confidence intervals (CIs) were calculated. Tests of heterogeneity and publication bias were performed. RESULTS: Twelve studies were included in the meta-analysis. The studies enrolled a total of 2854 patients; 1440 received a standard CVC and 1414 received a silver-impregnated CVC. No significant difference in catheter bacterial colonization rates was found between silver-impregnated and standard CVCs (OR 0.907, 95% CI 0.758-1.087, p=0.290). No significant difference in CRBSI rates was found between silver-impregnated and standard CVCs (pooled OR 0.721, 95% CI 0.476-1.094, p=0.124). No significant heterogeneity or publication bias was noted. CONCLUSIONS:Silver-impregnated CVCs are not associated with reduced rates of bacterial colonization or CRBSI.
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