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The Rabbit Blood-shunt Model for the Study of Acute and Late Sequelae of Subarachnoid Hemorrhage: Technical Aspects
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Predictors of shunt-dependent chronic hydrocephalus after aneurysmal subarachnoid haemorrhage

Tao-Chieh Yang1, Chien Hung Chang, Yu-Tse Liu

  • 1Department of Neurosurgery, Chang Gung Memorial Hospital, Keelung, Taiwan, ROC. jade5048 @ yahoo.com.tw

European Neurology
|March 1, 2013
PubMed

Insights

Chronic hydrocephalus after aneurysmal subarachnoid hemorrhage (SAH) is often shunt-dependent. Key predictors include advanced age, high blood pressure, severe hemorrhage grades, and fever, guiding early intervention for better outcomes.

Area of Science:

  • Neurosurgery
  • Neurology
  • Critical Care Medicine

Background:

  • Chronic hydrocephalus is a frequent complication following aneurysmal subarachnoid hemorrhage (SAH).
  • Identifying predictors for shunt-dependent hydrocephalus is crucial for patient management.

Purpose of the Study:

  • To investigate clinical risk factors predicting shunt-dependent chronic hydrocephalus after aneurysmal SAH.
  • To identify patient characteristics and early clinical signs associated with the need for cerebrospinal fluid diversion.

Main Methods:

  • Retrospective analysis of 88 patients treated for cerebral aneurysm within 72 hours of SAH.
  • Evaluation of demographic factors, admission vitals, hemorrhage severity (Fisher grade, Hunt and Hess grade, intraventricular hemorrhage), and initial treatments (external ventricular drainage).

Main Results:

  • 25% of patients (22/88) required shunt placement for chronic hydrocephalus.
  • Significant predictors included increased age, elevated mean arterial blood pressure, high Fisher grade, poor Hunt and Hess grade, intraventricular hemorrhage, and initial external ventricular drainage.
  • Fever frequency was the most significant factor associated with shunt dependence during hospitalization.

Conclusions:

  • Chronic hydrocephalus post-aneurysmal SAH has a multifactorial origin.
  • Early identification of risk factors can aid neurosurgeons in timely cerebrospinal fluid diversion.
  • Expedited diversion may reduce hospital stay, costs, and subsequent complications.
Abstract

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