Improving Ventriculostomy Management: Risk and Cost Reduction Through a Multidisciplinary Approach
2019
Objective Infection is a life-threatening complication of ventriculostomy. The purpose of this quality improvement project was to develop a cost-effective, evidence-based intervention to reduce ventriculostomy-associated infection (VAI) rates. Methods In this retrospective study, patients undergoing ventriculostomy insertion between June 2008 and December 2016 were identified, and charts were reviewed. The study period between June 2008 and August 2010 constituted the baseline (phase 1) in which non–antibiotic-coated ventriculostomy catheters were used and cerebrospinal fluid (CSF) sampling was done daily. Then, 2 sequential interventions were implemented. Between September 2010 and January 2013, antibiotic-coated ventriculostomy catheters (AC-Vs) were used (phase 2). Then, between February 2013 and December 2016, the frequency of CSF sampling was minimized to twice a week (phase 3). The rates of VAI and operational costs, or cost incurred for the external ventricular drain catheter, antibiotics, laboratory analysis, and CSF sampling supplies, were compared for each phase. Results The average infection rate for phase 1 was 3.3 infections per 1000 device-days. The VAI rates for phases 2 and 3 were 1.6 and 0.8, respectively. The use of AC-Vs and reduced CSF sampling resulted in a VAI rate decrease of 75.8% ( P = 0.01). During 2014, there were no VAIs. The intervention produced an estimated $1.02 million in savings for the institution during phase 3. The average projected savings of this intervention was $175 per patient per day and reduced cost by 72%. Conclusions The use of AC-Vs in combination with decreased frequency of CSF sampling was cost saving and resulted in a significant reduction in device-related infections.
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