Continuous and Intermittent CSF Diversion after Subarachnoid Hemorrhage: a Pilot Study
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We examine two accepted methods of managing cerebrospinal fluid (CSF) drainage in patients following subarachnoid hemorrhage (SAH). The first is intermittent CSF drainage when intracranial pressure (ICP) reaches a pre-defined threshold (monitor-first) and the second is continuous CSF drainage (drain-first) at set pressure thresholds. This pilot study is designed to determine if there is a cause for a randomized study of comparing the two methods.
This prospective observational pilot study enrolled 37 patients with SAH and external ventricular drainage between October 2008 and August 2009. Patients were treated with one of two methods of ICP management (drain-first vs. monitor-first) according to the discretion of the admitting physician.
There were no significant differences in baseline characteristics including age, gender, severity of neurological dysfunction, and radiographic findings between the two groups. The incidence of vasospasm was not different between the drain-first group (66.7%; 16 of 24 patients) and the monitor-first group (53.9%; 7 of 13 patients).
This pilot study was neither powered, nor expected to detect a difference between groups. The results of this study provide support for the design and conduct of a randomized study to assess the impact of two methods of CSF diversion for patients with SAH.
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- Continuous and Intermittent CSF Diversion after Subarachnoid Hemorrhage: a Pilot Study
Volume 14, Issue 1 , pp 68-72
- Cover Date
- Print ISSN
- Online ISSN
- Humana Press Inc
- Additional Links
- Cerebral vasospasm
- External ventricular drainage
- Intracranial pressure
- Subarachnoid hemorrhage
- Industry Sectors
- Author Affiliations
- 1. Department of Neurology, National Health Insurance Corporation Ilsan Hospital, Koyang, Korea
- 2. Neuroscience Critical Care Unit, Duke University Medical Center, Durham, NC, USA
- 3. Department of Anesthesiology, Duke University Medical Center, Durham, NC, USA
- 5. Department of Medicine (Neurology), Duke University Medical Center, Durham, NC, USA
- 4. Department of Surgery (Neurosurgery), Duke University Medical Center, Durham, NC, USA
- 6. University of North Carolina at Chapel Hill School of Nursing, Chapel Hill, NC, USA