• J Clin Neurosci · Sep 2016

    Outcomes of endoscopic third ventriculostomy in adults.

    • Sandi Lam, Dominic A Harris, Yimo Lin, Brandon G Rocque, Sandra Ham, and I-Wen Pan.
    • Department of Neurosurgery, Baylor College of Medicine, Texas Children's Hospital, Department of Neurosurgery, 6701 Fannin St., Ste. 1230-01, Houston, TX 77030, USA. Electronic address: sandilam@gmail.com.
    • J Clin Neurosci. 2016 Sep 1; 31: 166-71.

    AbstractEndoscopic third ventriculostomy (ETV) is an alternative to ventriculoperitoneal shunting for treatment of hydrocephalus. Studies have reported favorable outcomes for up to three-quarters of adult patients. We performed the first ETV outcomes study using an administrative claims database, examining current practice for adult patients in the United States. We interrogated the Truven Health MarketScan® database for Current Procedural Terminology codes corresponding to ETV and ventriculoperitoneal shunt from 2003- to 2011, including patients over 18years and data from initial and subsequent hospitalizations. ETV failure was defined as any subsequent ETV or shunt procedure. Five hundred twenty-five patients underwent ETV with 6months minimum follow-up. Mean age was 45.9years (range: 18-86years). Mean follow-up was 2.2years (SD: 1.6years, range: 0.5-8.4years). Etiology of hydrocephalus was 21.3% tumor, 9.0% congenital/aqueductal stenosis, 15.8% hemorrhage, and 53.9% others. ETV was successful in 74.7% of patients. Of 133 who failed, 25 had repeat ETV; 108 had shunt placement. Longer length of stay for index surgery was associated with higher risk of failure (hazard ratio (HR): 1.03, p<0.001), as was history of previous shunt (HR: 2.45, p<0.001). Among patients with repeat surgeries, median time to failure was 25days. This study represents a longitudinal analysis of nationwide ETV practice over 9years. Success rate in this large cohort is similar to that published by other single-center retrospective studies. Age and geographic variation may be associated with surgeon choice of ETV or shunt placement after failure of the initial ETV. Copyright © 2016 Elsevier Ltd. All rights reserved.

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