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  • Title: Evaluation of intraoperative glove change in prevention of postoperative cerebrospinal fluid shunt infections, and the predictors of shunt infection.
    Author: Bashir A, Sørensen P.
    Journal: Br J Neurosurg; 2017 Aug; 31(4):452-458. PubMed ID: 27626705.
    Abstract:
    BACKGROUND: We have previously suggested that surgical gloves could be a possible means for transferring microorganisms from skin flora to shunt material during surgery. The objectives of this study were to examine (1) whether the rate of shunt infections was reduced after introducing intraoperative glove change before handling the shunt material; (2) clinical presentation of shunt infections, microbiological data, and treatment management; and (3) predictors of shunt infections. METHODS: A retrospective study of 432 shunt operations in 295 adults was undertaken over a 7-year period. Study population consisted of two groups: Group A without intraoperative glove change (2003-2006), and Group B with change of the outer pair of the initial double gloves before handling the shunt material (2006-2009). The results were compared at 6- and 12-month postoperatively. A binary logistic regression was performed to determine predictors of shunt infections. RESULTS: Overall, 46 (10.6%) infection episodes occurred in 40 (13.6%) patients. Main symptoms were fever, abdominal pain and altered mental status. Propionibacterium acnes was the frequently isolated microorganism, followed by Staphylococcus species. The infection rate was reduced only moderately from 11.8% in Group A to 9.8% in Group B (p = .472). Patients with subarachnoid haemorrhage were more likely to experience shunt infections (17.9%), compared to patients with normal pressure hydrocephalus (5.9%). An increased likelihood of shunt infections for the increased number of subsequent shunt revisions (p = .030) and a trend towards prior history of shunt infections (p = .118) was seen. After adjusting for various covariates, a decreased likelihood of shunt infections for intraoperative glove change was seen at 6-month follow-up for first-time shunt insertion (p = .050). CONCLUSION: Intraoperative glove change does not significantly reduce the risk of shunt infection. However, it seems to reduce the infection rate within 6 months in patients undergoing first-time shunt insertion only.
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