• Anton Nikolaevich Konovalov, Fiodor Viacheslavovich Grebenev, Vladimir Alexandrovich Rybakov, Yuri Victorovich Pilipenko, Oleg Dmitrievich Shekhtman, Dmitry Nicolaevich Okishev, Olga Nikolayevna Yershova, and Shalva Shalvovich Eliava.
• Burdenko Neurosurgical Center, Moscow, Russia. Electronic address: Ankonovalov@nsi.ru.
• World Neurosurg. 2021 Dec 1; 156: e276-e282.

ObjectiveThe setting of external ventricular drainage (EVD) is one of the most frequent procedures in the neurosurgical practice. However, complication risks of this procedure may grow from 5% to 39%. The number of publications concerning the advancement of ventricular drainage setting technique and complication risks identification is increasing year after year. We posed a question on the dependence of complication risks and catheter setting accuracy on the different factors of routine practice of the N. N. Burdenko National Medical Research Center for neurosurgery within the scope of this work.MethodsThe data on patients whose EVD was set in the premotor area in 2019 were collected retrospectively. The surgeons were divided into 3 groups according to their experience valued in years.ResultsThe result of drainage setting was considered satisfactory if its end was in the frontal horn or body of the ipsilateral ventricle. Generally, 122 patients passed EVD placement during 2019. According to computed tomography scans of the brain, the drainage position was satisfactory in 85 patients (75.9%) and unsatisfactory in 27 patients (24.1%).ConclusionsThe procedures were performed by surgeons with <2 years of experience in 16.1% of cases, 2-5 years of experience in 25% of cases, and >5 years of experience in 58.9% of cases. The complication risk and accuracy of drainage setting do not depend on surgeon experience, type of bone access, and position in the premotor area.Copyright © 2021 Elsevier Inc. All rights reserved.

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