Ischemic strokes in Pakistan: observations from the national acute ischemic stroke database

J Stroke Cerebrovasc Dis. 2014 Jul;23(6):1640-7. doi: 10.1016/j.jstrokecerebrovasdis.2014.01.009. Epub 2014 Apr 6.

Abstract

Background: The objective of this study was to establish a multicenter ischemic stroke registry, first of its kind in Pakistan, to provide insight into the epidemiology, subtypes, and risk factors of ischemic strokes in this country.

Methods: Four academic centers (3 urban and 1 rural) participated in this project. The inclusion criteria for subjects included adults (>14 years) with acute neurologic deficit, consistent with clinical diagnosis of ischemic stroke and supported by neuroimaging.

Results: Data were available for 874 subjects. Mean age of the subjects was 59.7 years, 60.5% were males, and 18% were young. Large vessel strokes were the most common subtype found in 31.7% subjects, followed by small vessel disease (25.7%) and cardioembolic strokes (10.4%). Almost 32% subjects had ill-defined etiology for their ischemic stroke. Dyslipidemia was a most common risk factor present in 83% patients. Data related to in-hospital complications were available for 808 subjects, of which 233 complications were recorded. Pneumonia was the most common of these seen in 105 (13%) subjects, followed by urinary tract infection (7.2%). Outcome at discharge was recorded for 697 subjects. Ninety-two had died during their hospital stay (13.2%). Only 36% subjects had a favorable outcome at discharge defined as a modified Rankin Scale (mRS) score of 2 or less. A total of 446 of 697 subjects had poor outcome at discharge (defined as an mRS score≥3).

Conclusions: Hypertension and dyslipidemia were the most common risk factors and large vessel atherosclerosis was the most common stroke etiology. Elderly patients were significantly more likely to have in-hospital complications, die during their hospital stay, and have a higher mRS score at discharge.

Keywords: Pakistan; Stroke; ischemic; outcome; south Asia.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adult
  • Age of Onset
  • Aged
  • Aged, 80 and over
  • Atherosclerosis / complications*
  • Brain Ischemia / diagnosis
  • Brain Ischemia / epidemiology*
  • Brain Ischemia / etiology
  • Databases, Factual
  • Dyslipidemias / complications*
  • Female
  • Humans
  • Hypertension / complications*
  • Male
  • Middle Aged
  • Pakistan / epidemiology
  • Prevalence
  • Registries
  • Risk Factors
  • Stroke / diagnosis
  • Stroke / epidemiology*
  • Stroke / etiology