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Background <p>Aneurysmal subarachnoid hemorrhage (aSAH) is a life-threatening condition complicated by cerebral vasospasm and deterioration of neurological functions. Statins have been proven to reduce the incidence of vasospasm and limit the neurological deterioration with controversial data. We aimed to give a comprehensive assessment of statins in patients with aSAH.</p> Methods <p>We retrieved PubMed, Scopus, WOS, and the Cochrane library for RCTS assessing the efficacy of statins in patients with aSAH from inception to April 2024. Cerebral vasospasm and neurological deterioration were the primary efficacy outcomes of interest. Other secondary efficacy outcomes were delayed ischemic neurological deficits, and all-cause mortality. Safety outcomes were cerebral infarction, rhabdomyolysis, and elevated transaminase levels. STATA 18MP was used to analyze the data using a random-effect model.</p> Results <p>A total of nine RCTs comprising 1464 patients, with a mean follow-up of 6 months were included in the final analysis. After 2 weeks of administration, statins were associated with a lower risk of cerebral vasospasm (OR: 0.74, 95% CI: 0.57 to 0.96, <i>p</i> = 0.03; I<sup>2</sup> = 0.00, <i>p</i> = 0.91), with no significant difference in the incidence of neurological deterioration (OR: 0.92, 95% CI: 0.75 to 1.14, <i>p</i> = 0.45; I<sup>2</sup> = 0.00, <i>p</i> = 0.84). There were no significant differences were observed in other reported outcomes.</p> Conclusion <p>Statins were associated with reduced vasospasm with no notable improvement in neurological prognosis. However, the 2-week time window of statins is powered by small sample size, and further large-volume RCTs are warranted.</p>

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Effect of Statin Therapy on Neurological Outcomes in Aneurysmal Subarachnoid Hemorrhage: A Meta-Analysis of 1464 Patients

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年8月25日

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  • Abdelrahman Hafez,
  • Ahmed Abdelaziz,
  • Ibrahim Kamal,
  • Ahmed Farid Gadelmawla,
  • Rehab Adel Diab,
  • Shrouk Ramadan,
  • Mohamed Hatem Ellabban,
  • Ahmed Elaraby,
  • Karim Atta,
  • Mohamed Mahmoud Gomaa,
  • Mohamed Abdelaziz,
  • Ahmed O. Sena,
  • Ahmed Nasr,
  • Mazen Hassanin,
  • Omar Abdelgawwad,
  • Ahmed Almahdy Mohamed,
  • Ahmed Bahnasy,
  • Emad Singer

摘要

Background

Aneurysmal subarachnoid hemorrhage (aSAH) is a life-threatening condition complicated by cerebral vasospasm and deterioration of neurological functions. Statins have been proven to reduce the incidence of vasospasm and limit the neurological deterioration with controversial data. We aimed to give a comprehensive assessment of statins in patients with aSAH.

Methods

We retrieved PubMed, Scopus, WOS, and the Cochrane library for RCTS assessing the efficacy of statins in patients with aSAH from inception to April 2024. Cerebral vasospasm and neurological deterioration were the primary efficacy outcomes of interest. Other secondary efficacy outcomes were delayed ischemic neurological deficits, and all-cause mortality. Safety outcomes were cerebral infarction, rhabdomyolysis, and elevated transaminase levels. STATA 18MP was used to analyze the data using a random-effect model.

Results

A total of nine RCTs comprising 1464 patients, with a mean follow-up of 6 months were included in the final analysis. After 2 weeks of administration, statins were associated with a lower risk of cerebral vasospasm (OR: 0.74, 95% CI: 0.57 to 0.96, p = 0.03; I2 = 0.00, p = 0.91), with no significant difference in the incidence of neurological deterioration (OR: 0.92, 95% CI: 0.75 to 1.14, p = 0.45; I2 = 0.00, p = 0.84). There were no significant differences were observed in other reported outcomes.

Conclusion

Statins were associated with reduced vasospasm with no notable improvement in neurological prognosis. However, the 2-week time window of statins is powered by small sample size, and further large-volume RCTs are warranted.