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Systemic antimicrobial prophylaxis for percutaneous endoscopic gastrostomy.

Lipp A, Lusardi G

University of Glamorgan, School of Care Sciences, Glyntaff, Pontypridd, UK. alipp@glam.ac.uk

BACKGROUND: Percutaneous endoscopic gastrostomies (PEG) maintain nutrition in the short or long term. A PEG is a feeding tube, placed surgically through the anterior abdominal wall, which delivers a liquid diet, or medication, via a clean or sterile delivery system. Those undergoing PEG placement are often vulnerable to infection because of age, compromised nutritional intake, immunosuppression and underlying disease processes such as malignancy and diabetes mellitus. The increasing incidence of methicillin-resistant Staphylococcus aureus (MRSA) contributes both an additional risk to the placement procedure, and also to the debate surrounding antibiotic prophylaxis for PEG placement. The aim of surgical antimicrobial prophylaxis is to establish a bactericidal concentration of an antimicrobial drug in the patients serum and tissues, via a brief course of an appropriate agent, by the time of PEG placement. OBJECTIVES: The review seeks to establish whether prophylactic use of systemic antimicrobials reduces the risk of peristomal infection in people undergoing placement of percutaneous endoscopic gastrostomies. SEARCH STRATEGY: We searched the Cochrane Wounds Group Specialised Register (July 2006); The Cochrane Central Register of Controlled Trials (The Cochrane Library 2006, Issue 2); handsearched wound care journals relevant conference proceedings, and bibliographies of relevant publications identified by these strategies for further studies; and contacted manufacturers and distributors of PEG products. SELECTION CRITERIA: Randomised controlled trials (RCTs) evaluating the use of prophylactic antimicrobials for PEG placement, with no restrictions for language, date or publication status. DATA COLLECTION AND ANALYSIS: Both authors performed data extraction and assessment of study quality. Meta-analysis was performed where appropriate. MAIN RESULTS: We identified 10 eligible RCTs evaluating prophylactic antimicrobials in 1100 patients. All trials reported peristomal infection as an outcome, and a pooled analysis resulted in a statistically significant reduction in the incidence of peristomal infection with prophylactic antibiotics (pooled OR 0.31, 95% CI 0.22 to 0.44). AUTHORS' CONCLUSIONS: Administration of systemic prophylactic antibiotics for PEG placement reduces peristomal infection.

Published 20 October 2006 in Cochrane Database Syst Rev.
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