• Jonas HallenbergerTimTDepartment of Neurosurgery, University Hospital Basel, Basel, Switzerland; Faculty of Medicine, University of Basel, Basel, Switzerland., Ladina Greuter, Raphael Guzman, and Jehuda Soleman.
• Department of Neurosurgery, University Hospital Basel, Basel, Switzerland; Faculty of Medicine, University of Basel, Basel, Switzerland.
• World Neurosurg. 2024 Oct 1; 190: e381e393e381-e393.

BackgroundEndoscopic ventricular surgery (EVS) shows overall reduced morbidity compared to open craniotomy, but carries, however, the risk for neurocognitive impairment caused by fornix-, hypothalamus-, and injuries other structures adjacent to the ventricular system. Objective or subjective neurocognitive impairment after EVS is rarely reported. The aim of this study was to assess the subjective neurocognitive outcome in patients undergoing EVS for various pathologies.MethodsWe conducted a retrospective cohort study in adult patients undergoing EVS at our institution between 2010 and 2021. The primary outcome was subjective neurocognitive outcome after EVS measured by patient-reported outcomes (PROs). Secondary outcomes were objective neurocognitive outcome, return-to-work rate, subjective quality of life and satisfaction with surgery. Descriptive and comparative statistics were conducted for all outcome parameters.ResultsFifty-one patients (median age 48 years, 62.7% female) were included. Patients commonly presented with subjective neurocognitive impairment (54.9%) and hydrocephalus was the most common indication for surgery (54.9%). Worse long-term subjective neurocognitive outcome was observed in 5 (21.7%) patients while 18 (78.3%) patients improved. Worse long-term objective neurocognitive outcome was seen in 2 cases (10.5%), of which 1 patient became worse trough surgery while 15 (78.9%) patients improved. Improved subjective and objective neurocognitive outcome correlated in 73.8% of the cases (r = 0.363, P = 0.018). Return to work was possible for 70% of the patients and subjective quality of life was improved or unchanged in 88.1% of the patients.ConclusionsSubjective neurocognitive outcome and quality of life improvement are often achieved after EVS and permanent neurocognitive impairment is rare. Further well-designed trials on subjective and objective neurocognitive outcome after EVS are warranted.Copyright © 2024 The Authors. Published by Elsevier Inc. All rights reserved.

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