Ventriculoperitoneal Shunt Complications in the European Idiopathic Normal Pressure Hydrocephalus Multicenter Study.

Autori:Feletti A, d'Avella D, Wikkelsø C, Klinge P, Hellström P; European iNPH Multicenter Study Group.
Pubblicato su:Oper Neurosurg (Hagerstown). 2018 Aug 30

Presentazione

Lo Shunt ventricolo-peritoneale è il trattamento standard per l'idrocefalo normoteso idiopatico. Tuttavia, a tutt’oggi, manca un'indagine approfondita sulle complicanze dello shunt VP in questa popolazione. In questo studio multicentrico europeo (EU-iNPH) vengono presentati l'analisi e le percentuali di complicanze che si verificano durante il primo anno dopo l'intervento.

Abstract

BACKGROUND: Ventriculoperitoneal shunt (VP-shunt) is the standard of treatment for idiopathic normal pressure hydrocephalus (iNPH). However, a thorough investigation of VP-shunt complications in this population is lacking.

OBJECTIVE: To present the analysis and the rates of complications progressively occurring during the first year after shunt surgery in the patients with iNPH included in the European multicenter (EU-iNPH) study.

METHODS: Patients (n = 142) were prospectively included in the EU-iNPH study by 13 institutions. All patients received a programmable VP-shunt. One hundred fifteen patients completed the 12-mo follow-up. Reexaminations were performed 1, 3, and 12 mo after surgery. Data regarding symptomatic over- or underdrainage, infections, malposition, subdural collections, and shunt surgery were collected and analyzed.

RESULTS: Thirty patients (26%) experienced symptoms due to shunt underdrainage. Symptomatic overdrainage was reported in 10 (9%). Shunt adjustments were made in 43 (37%). Shunt malposition was recognized as the primary cause of shunt malfunction in 8 (7%), while only 1 infection (0.9%) occurred. Subdural hematoma was diagnosed in 7 (6%) and was treated by increasing the opening pressure of the valve in 5 patients. Hygroma was diagnosed in 10 (9%), requiring surgery in 1 patient. Overall, 17 patients (15%) underwent 19 shunt surgeries.

CONCLUSION: The advances in valve technology, a careful opening pressure setting, and rigorous follow-up allow a significant reduction of complications, which can be usually managed nonsurgically within the first 3 to 6 mo.

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