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Pre-Chiasmatic, Single Injection of Autologous Blood to Induce Experimental Subarachnoid Hemorrhage in a Rat Model
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Pre-Chiasmatic, Single Injection of Autologous Blood to Induce Experimental Subarachnoid Hemorrhage in a Rat Model

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Cholesterol-reducing agents for aneurysmal subarachnoid haemorrhage

Zhou Liu1, Lingying Liu, Zhijian Zhang

  • 1Department of Neurology, Affiliated Hospital of Guangdong Medical College, Zhanjiang, China. zhaobine@163.net.

The Cochrane Database of Systematic Reviews
|May 2, 2013
PubMed

Insights

Cholesterol-reducing agents like simvastatin did not significantly reduce delayed ischaemic deficits in aneurysmal subarachnoid haemorrhage patients. More research is needed to confirm effectiveness and safety.

Area of Science:

  • Neurology
  • Cardiovascular Research

Background:

  • Aneurysmal subarachnoid haemorrhage (SAH) frequently leads to cerebral vasospasm and delayed ischaemic deficits (DIDs), impacting patient outcomes.
  • Cholesterol-reducing agents are being investigated for their potential to mitigate these adverse effects.

Purpose of the Study:

  • To evaluate the efficacy of cholesterol-reducing agents in improving outcomes for patients following aneurysmal SAH.

Main Methods:

  • Conducted a systematic search of multiple databases (Cochrane, MEDLINE, EMBASE, SinoMed, CNKI, VIP) and clinical trial registers.
  • Included one randomized controlled trial (RCT) comparing simvastatin with placebo in patients with aneurysmal SAH.

Main Results:

  • The single RCT involved 39 patients; simvastatin showed a non-significant trend towards reducing DIDs (26% vs. 60%).
  • No significant impact on DIDs was observed, and the primary outcome of death or dependency at six months was not reported.
  • Adverse events included elevated liver enzymes and creatine phosphokinase in a small number of patients.

Conclusions:

  • Insufficient evidence exists to conclude on the effectiveness and safety of cholesterol reduction in aneurysmal SAH due to the limited data from one small trial.
  • Further randomized controlled trials are necessary to establish the role of these agents in managing SAH complications.
Abstract

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