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Stroke subtypes on imaging in a Jamaican population: a hospital-based study

W M West1, N Younger, D Brady-West

  • 1Department of Surgery, Radiology, Anaesthesia and Intensive Care, The University of the West Indies, Kingston 7, Jamaica, West Indies. wayne_west@hotmail.com

The West Indian Medical Journal
|January 2, 2010
PubMed

Insights

Stroke subtypes in Jamaica showed a pattern similar to European and Australian populations, with ischemic infarct being the most common. This study analyzed stroke patterns in Jamaican patients using CT and MRI imaging.

Area of Science:

  • Neurology
  • Radiology
  • Epidemiology

Background:

  • Stroke is a leading cause of death and disability worldwide.
  • Understanding stroke subtype patterns is crucial for targeted prevention and treatment strategies.
  • Limited data exists on stroke subtype distribution in the Caribbean population.

Purpose of the Study:

  • To determine the frequency and pattern of stroke subtypes diagnosed via Computed Tomography (CT) and Magnetic Resonance Imaging (MRI).
  • To compare the observed stroke subtype pattern with international cohorts.
  • To investigate potential gender differences in stroke subtype prevalence.

Main Methods:

  • Retrospective review of stroke patients undergoing CT or MRI at the University Hospital of the West Indies (UHWI) from January 2001 to December 2004.
  • Data collection included patient demographics (age, gender) and stroke classification (cerebral infarct, intra-parenchymal haemorrhage, subarachnoid haemorrhage).
  • Analysis of 433 patient records, with 414 CT scans and 19 MRI scans.

Main Results:

  • Ischaemic infarct was the most prevalent stroke subtype, accounting for over 80% of cases, followed by intra-parenchymal haemorrhage and subarachnoid haemorrhage.
  • Subarachnoid haemorrhage was the least common subtype and predominantly affected younger patients.
  • No significant statistical difference in stroke subtype distribution was observed between male and female patients.

Conclusions:

  • The stroke subtype pattern in Jamaica aligns with findings from Australian and European populations but diverges from Asian cohorts.
  • Ischaemic infarct is the predominant stroke subtype in this Jamaican cohort.
  • Stroke occurrence did not show a gender predilection for any specific subtype.
Abstract

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