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JOURNAL ARTICLE
REVIEW
Venous Thromboembolism in Patients Undergoing Craniotomy for Brain Tumors: A U.S. Nationwide Analysis.
Seminars in Thrombosis and Hemostasis 2016 November
Background Patients who undergo craniotomy for brain tumor have an increased risk of developing venous thromboembolism (VTE). Using the National Surgical Quality Improvement Program (NSQIP) registry, patients undergoing craniotomy for brain tumor from 2006 and 2014 were analyzed to identify risk factors for postoperative VTE. Methods The study population, identified by Current Procedural Terminology codes, included all NSQIP-reported patients who underwent a craniotomy for brain tumor resection. Results There were 629 instances of VTE among 19,409 craniotomies for brain tumor (3.2%) recorded in NSQIP. Occurrence of VTE was associated with other postoperative complications on univariate analysis, including pneumonia, respiratory failure, stroke, and sepsis (all p < 0.001). On multivariate analysis, independent predictors of VTE included age 46 to 57 years (odds ratio [OR], 1.432; p = 0.006), 57 to 66 years (OR, 1.550; p = 0.001), or over 66 years (OR, 2.493; p < 0.001), body mass index (BMI) over 32.1 kg/m2 (OR, 1.835; p < 0.001), functional dependence (OR, 1.657; p < 0.001), ventilator dependence (OR, 2.516; p < 0.001), steroid use (OR, 1.661; p < 0.001), prior sepsis (OR, 1.845; p < 0.001), and total operative time 183 to 271 minutes (OR, 1.462; p = 0.032) and longer than 271 minutes (OR, 1.945; p < 0.001). Conclusions VTE occurs in approximately 3% of patients undergoing craniotomy for brain tumor resection. Independent predictors for developing VTE include older age, higher BMI, recent steroid use, and total operative time.
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