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. 2019 Mar;101(3):220-225.
doi: 10.1308/rcsann.2019.0001. Epub 2019 Jan 30.

Risk factors for surgical site infections in neurosurgery

S Patel  1 , D Thompson  1 , S Innocent  2 , V Narbad  1 , R Selway  1 , K Barkas  1
Affiliations

Risk factors for surgical site infections in neurosurgery

S Patel et al. Ann R Coll Surg Engl. 2019 Mar.

Abstract

Introduction: Surgical site infections (SSIs) are of profound significance in neurosurgical departments, resulting in high morbidity and mortality. There are limited public data regarding the incidence of SSIs in neurosurgery. The aim of this study was to determine the rate of SSIs (particularly those requiring reoperation) over a seven-year period and identify factors leading to an increased risk.

Methods: An age matched retrospective analysis was undertaken of a series of 16,513 patients at a single centre. All patients who required reoperation for suspected SSIs within a 7-year period were identified. Exclusion criteria comprised absence of infective material intraoperatively and patients presenting with primary infections. Clinical notes were reviewed to confirm presence or absence of suspected risk factors.

Results: Of the 16,513 patients in the study, 1.20% required at least one further operation to treat a SSI. Wound leak (odds ratio [OR]: 27.41), dexamethasone use (OR: 3.55), instrumentation (OR: 2.74) and operative duration >180 minutes (OR: 1.85) were statistically significant risk factors for reoperation.

Conclusions: This is the first UK study of such a duration that has documented a SSI reoperation rate in a cohort of this size. Various risk factors are associated with the development of SSIs, making it essential to have robust auditing and monitoring of high risk patients to ensure excellent standards of healthcare. Departmental and public registers to record all SSIs may be beneficial, particularly for those treated solely by general practitioners, allowing units to address potential risk factors prior to surgical intervention.

Keywords: Risk factors; Surgical site infection; Wound infection; Wound leak.

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Figures

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Figure 1
Summary of patient selection
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References

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