The National Neuroscience Institute External Ventricular Drain Study: A Pragmatic Multisite Risk-Stratification Pathway to Reduce Ventriculostomy-Related Infection
World Neurosurgery(2020)
摘要
OBJECTIVE:Ventriculostomy-related infection (VRI) is associated with potential serious morbidity, extended hospitalization duration, increased health care costs, and mortality. We assessed the effectiveness of a pragmatic risk-stratification pathway for external ventricular drain (EVD) management, allowing for surgical decision making, in reducing the rate of VRIs.
METHODS:Two studies were performed concurrently. A retrospective audit of EVD infection rates and outcomes in our unit across 3 hospitals was conducted from January to December 2014. The second prospective study compared the same variables during the implementation of the EVD pathway across the 3 sites from January 2015 to December 2016.
RESULTS:The number of patients requiring EVDs increased from 2014 to 2016 (165 vs. 189 vs. 197 patients, respectively), with a significant increase in patients with intraventricular hemorrhage (P = 0.009). Despite increasing risk, overall EVD infections decreased during the implementation period, from 4.8% (8/165) in 2014 to 3.7% in 2015 (7/189) and 2.0% in 2016 (4/197, P = 0.33). In 2 sites (site 1, 2.0% vs. 2.1% vs. 1.9%, and site 2, 4.7% vs. 5.0% vs. 5.3%), transition to the EVD risk-stratification pathway maintained already low infection rates; in site 3, EVD infections decreased from 6.8% (5/73) to 3.9% (4/102) and 0% (0/86, P = 0.06).
CONCLUSIONS:The introduction of a pragmatic evidence-based risk-stratification pathway, in which different options for EVD management are incorporated, results in low EVD infection rates across a multisite institutional practice. Our results are comparable to published protocols involving the implementation of standard care bundles and/or antibacterial EVDs alone, in reducing VRIs.
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关键词
External ventricular drain,Infection,Pathway,Protocol,Risk management,Ventriculitis,Ventriculostomy
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