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Relationship between bleeding risk and arterial stiffness in patients with cerebral aneurysms

Mehmet Selim Gel1, Hasan Çağrı Postuk1, İskender Samet Daltaban2

  • 1Department of Neurosurgery Clinic, Trabzon Kanuni Training and Research Hospital, Trabzon, Turkiye.

Turkish Journal of Medical Sciences
|March 25, 2025
PubMed

Insights

Increased arterial stiffness, measured by cardio-ankle vascular index (CAVI), is linked to a higher risk of cerebral aneurysm rupture. This finding highlights arterial stiffness as a key factor for managing cerebral aneurysms.

Area of Science:

  • Vascular Medicine
  • Neurology
  • Cardiology

Background:

  • Cerebral aneurysms (CAs) pose an uncertain rupture risk, complicating clinical management.
  • A definitive risk factor assessment for CA susceptibility to rupture is lacking.

Purpose of the Study:

  • To investigate the association between arterial stiffness and the risk of rupture in patients with cerebral aneurysms.

Main Methods:

  • 49 patients with CAs and subarachnoid hemorrhage were analyzed.
  • Arterial stiffness was quantified using the VaSera VS-1000 system, yielding cardio-ankle vascular index (CAVI) values.
  • CAVI values were compared between ruptured and unruptured CA patient groups.

Main Results:

  • Arterial stiffness, indicated by CAVI, was significantly higher in patients with ruptured CAs.
  • CAVI values showed a positive correlation with hemorrhagic cerebral aneurysms.
  • The study identified a significant link between elevated arterial stiffness and increased CA rupture risk.

Conclusions:

  • Increased arterial stiffness is associated with a higher risk of hemorrhage in patients with cerebral aneurysms.
  • Evaluating arterial stiffness is crucial for informing treatment and follow-up decisions in CA patients.
Abstract

Keywords:
Arterial stiffnesscardio-ankle vascular indexcerebral aneurysmsubarachnoid haemorrhage

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