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  • Title: Reevaluation of Ventriculopleural Shunting: Long-Term Efficacy and Complication Rates in the Modern Era.
    Author: Hasegawa H, Rinaldo L, Meyer FB, Lanzino G, Elder BD.
    Journal: World Neurosurg; 2020 Jun; 138():e698-e704. PubMed ID: 32194273.
    Abstract:
    BACKGROUND: Ventriculopleural shunting (VPLS) is recognized as an alternative method when the standard ventriculoperitoneal shunting (VPS) is not applicable. Nevertheless, there is limited clinical evidence of its effectiveness including long-term patency. METHODS: Data on 35 consecutive patients who underwent VPLS at a single institution were retrospectively analyzed. The rates of shunt survival and incidence of symptomatic pleural effusion were calculated, and risk factors were evaluated. RESULTS: Mean follow-up after VPLS was 64.1 months. The cumulative overall shunt survival rates were 70%, 44%, and 28% at 1, 3, and 5 years, respectively. Among patients with shunt failure, 3 (8.6%) with overdrainage underwent simple valve replacement (from fixed to programmable valve) and retained a VPLS. If these patients are excluded, shunt survival rates were 76%, 51%, and 34% at 1, 3, and 5 years, respectively, and the median shunt survival time was 3.0 years. No factor was significantly associated with shunt survival. Cumulative rates of symptomatic pleural effusion were 18%, 23%, and 46% at 1, 2, and 3 years, respectively. Median time from VPLS placement to symptomatic pleural effusion was 1.1 years. CONCLUSIONS: It seems that VPLS survival has improved with more modern shunt technology. VPLS is a reasonable second-line option when VPS is not feasible. The possibility of pleural effusion is not negligible, but asymptomatic/mild effusions may be managed conservatively.
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