Abstract
ABSTRACTObjectivesThe optimal surgical procedure for long-standing overt ventriculomegaly in adults (LOVA) remains controversial.MethodsA systematic search of three databases was performed for studies published between January 1999 and March 2022. This systematic review included 12 studies with a total of 318 patients with LOVA surgically treated. PRISMA guidelines were followed.ResultsGait disturbance (74.8%) and headache (59.7%) were the most common clinical presentation. Overall, the rate of postoperative clinical improvement at the last follow-up was 83.6% (95% CI 78.1–86.1). A lower rate of postoperative clinical improvement or halt of progression of presenting symptoms was observed after ETV (211/257 = 82.1% 95% CI 76.2–85.1%) compared with VPS (55/61 = 90.2% 95% CI 80.3–96.1%). Overall, surgical and postoperative complications were reported in 22/297 patients (7.5% 95% CI 4.4–20%) (11 studies). A higher rate of surgical complications was observed in patients treated with VPS (19.7% 95 CI 5.9–46.7%), compared with patients treated with ETV (4.3% 95% CI 2.1–10.9%). The overall rate of second surgery due to failure of first surgical approach (ETV or VPS) was 46/275 (16.7%).DiscussionThis meta-analysis confirmed the efficacy of EVT and VPS in symptomatic patients with LOVA, reporting a roughly 84% of postoperative clinical improvement or halt of progression of symptoms. A higher rate of surgical complications was observed in patients treated with VPS compared with patients treated with ETV. In addition, roughly 18% of patients treated with ETV required a further VPS. These findings should be considered when advising LOVA patients regarding the management of hydrocephalus.
Published Version
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