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Risk factors of short-term stroke recurrence in patients with minor ischemic cerebrovascular events

Kavian Ghandehari1, Mohammad Reza Khajedaluei, Zahra Yazdankhah

  • 1Professor, Cerebrovascular Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.

ARYA Atherosclerosis
|May 22, 2013
PubMed

Insights

Recurrent ischemic events after transient ischemic attack (TIA) or minor ischemic stroke (MIS) are significant concerns. Crescendo TIAs and multiple TIAs predict short-term stroke risk, while diabetes predicts long-term recurrence.

Area of Science:

  • Neurology
  • Cardiovascular Research
  • Epidemiology

Background:

  • Assessing the risk of recurrent ischemic events in patients with transient ischemic attack (TIA) and minor ischemic stroke (MIS) is crucial for clinical practice.
  • Early identification of high-risk patients can guide timely interventions and improve outcomes.
  • Understanding predictors of recurrence aids in risk stratification and personalized treatment strategies.

Purpose of the Study:

  • To investigate the predictors of recurrent ischemic events within 3 and 90 days in patients presenting with TIA or MIS.
  • To identify key factors associated with early and late stroke recurrence.
  • To inform clinical decision-making regarding risk assessment and management.

Main Methods:

  • A prospective cohort study enrolled 511 patients with TIA or MIS within 24 hours of symptom onset.
  • Diagnosis was confirmed by a stroke neurologist, with MIS defined as NIHSS < 4.
  • Univariate and multivariate analyses examined associations between 20 potential factors and recurrent ischemic events at 3 and 90 days.

Main Results:

  • Stroke occurred in 23.2%, TIA in 19.6%, and vascular death in 2.2% of patients within 90 days.
  • Crescendo TIAs (OR=5.12) and multiple TIAs (OR=3.98) significantly predicted stroke risk within 3 days (univariate analysis).
  • Diabetes was independently associated with 3-month stroke recurrence (OR=2.65), while index stroke patients had lower 3-day recurrence risk than index TIA patients (OR=0.115).

Conclusions:

  • Multiple and crescendo TIAs are significant predictors of short-term stroke recurrence in patients with minor ischemic events.
  • Diabetes mellitus emerges as an independent risk factor for long-term stroke recurrence.
  • These findings underscore the importance of prompt evaluation and risk stratification for patients experiencing TIA or MIS.
Abstract

Keywords:
BrainInfarctionRecurrenceRiskTransient Ischemic Attacks

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