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eISSN: 1643-3750

Monoblock external ventricular drainage system in the treatment of patients with acute hydrocephalus: A pilot study

Almir Ferreira de Andrade, Wellingson Silva Paiva, Iuri Santana Neville, Gustavo Sousa Noleto, Aderaldo Alves Junior, Luiz Henrique Dias Sandon, Edson Bor-Seng-Shu, Robson Luis Amorim, Manoel Jacobsen Teixeira

Division of Neurological Surgery, Hospital das Clinicas, University of São Paulo School of Medicine, São Paulo, Brazil

Med Sci Monit 2014; 20:227-232

DOI: 10.12659/MSM.890080

Available online:

Published: 2014-02-10

Background: Infection is a major complication in patients undergoing external ventricular drainage (EVD). Our study aimed to evaluate the incidence of infection in a series with the monoblock EVD system.
Material and Methods: 46 patients treated with EVD at our emergency department were analyzed prospectively to research the incidence of infections with a new EVD system.
Results: The average rate of infection was 8.7%. When we stratified the patients according to the exclusive use of EVD without craniotomies, we identified a reduction in the overall incidence of ventriculitis from 8.7% to 2.3%. Age, etiology, and the presence of ventricular bleeding were not statistically significant risk factors.
Conclusions: Despite the small sample examined in this study, we believe that the monoblock system is a simple, inexpensive device that reduces accidental disconnection of the system.

Keywords: Drainage - methods, Cerebral Ventriculitis - etiology, Hydrocephalus - therapy, Incidence, Pilot Projects, Prospective Studies