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Related Experiment Video

Updated: May 27, 2026

Differential Effects of Lipid-lowering Drugs in Modulating Morphology of Cholesterol Particles

Differential Effects of Lipid-lowering Drugs in Modulating Morphology of Cholesterol Particles

Published on: November 10, 2017

Do statins reduce the risk of aneurysm development? A case-control study.

Serge Marbacher¹, Janine-Ai Schläppi, Christian Fung

¹Department of Neurosurgery, Bern University Hospital, Bern, Switzerland.

Journal of Neurosurgery

|November 26, 2011

Summary

Long-term statin use did not significantly reduce the risk of intracranial aneurysm (IA) formation in humans. This study found no association between statin use and IA incidence, despite previous rat studies suggesting a benefit.

Related Experiment Videos

Last Updated: May 27, 2026

Differential Effects of Lipid-lowering Drugs in Modulating Morphology of Cholesterol Particles

Differential Effects of Lipid-lowering Drugs in Modulating Morphology of Cholesterol Particles

Published on: November 10, 2017

Area of Science:

Neuroscience
Cardiovascular Research
Pharmacology

Background:

Recent studies in rats suggest statins may inhibit intracranial aneurysm (IA) development.
The potential role of statins in preventing IA formation in humans remains unclear.

Purpose of the Study:

To investigate the association between long-term statin use and the risk of intracranial aneurysm (IA) formation in humans.

Main Methods:

A single-center case-control study included 1200 patients.
Cases were patients with confirmed IA; controls were matched by age, sex, and admission year.
Conditional logistic regression analyzed the relationship between cumulative statin use and IA incidence.

Main Results:

No significant association was found between statin use and IA formation (OR 1.08, 95% CI 0.69-1.69).
This lack of association persisted across different statin types and durations of use.
Hypertension and smoking were identified as significant risk factors for IA development.

Conclusions:

Findings suggest statins may not have a significant beneficial effect on suppressing IA formation in humans.
This contrasts with experimental findings in rats.
Further research may be needed to clarify the role of statins in cerebrovascular health.