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Failure of regular external ventricular drain exchange to reduce cerebrospinal fluid infection: result of a randomised controlled trial

¹ Division of Neurosurgery, Department of Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong
² Department of Microbiology, Prince of Wales Hospital
³ Centre for Clinical Trials and Epidemiological Research, Chinese University of Hong Kong

Correspondence to:
Correspondence to:
Dr W S Poon, Division of Neurosurgery, Department of Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong;
wpoon{at}cuhk.edu.hk

Objective: To carry out a randomised controlled clinical trial over a two year period to determine whether a regular change of ventricular catheter every five days could reduce CSF infection and improve outcome.

Methods: 103 patients requiring external ventricular drains for more than five days and with no evidence of concurrent CSF infection were studied. The patients were randomised to regular change of ventricular catheter (every five days) and no change unless clinically indicated.

Results: The CSF infection rates were 7.8% for the catheter change group and 3.8% for the no change group, respectively (rate ratio = 1.80, 95% confidence interval 0.33 to 9.81, p = 0.50). No significant difference was found in intensive care unit stay, ward stay, or clinical outcome between the two groups.

Conclusions: Regular changes of ventricular catheter at five day intervals did not reduce the risk of CSF infection. A single external ventricular drain can be employed for as long as clinically indicated.

Keywords: infection; external ventricular drain

This article has been cited by other articles:

				I E Sandalcioglu, D Stolke, W S Poon, and G K C Wong Failure of regular external ventricular drain exchange to reduce CSF infection * Authors' reply J. Neurol. Neurosurg. Psychiatry, November 1, 2003; 74(11): 1598 - 1599. [Full Text] [PDF]