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Less favorable neurological recovery after acute stroke in patients with hypercholesterolemia

Wei-Chieh Weng1, Wen-Yi Huang, Feng-Chieh Su

  • 1Department of Neurology, Chang-Gung Memorial Hospital, Keelung, Taiwan. wengweichieh@yahoo.com.tw

Insights

Hypercholesterolemia in acute ischemic stroke patients correlates with lower initial severity but poorer recovery. This finding holds true across all age groups, impacting stroke outcomes.

Area of Science:

  • Neurology
  • Cardiovascular Science
  • Public Health

Background:

  • Hypercholesterolemia is a significant risk factor for cardiovascular diseases, including stroke.
  • Understanding its impact on stroke recovery is crucial for patient management.

Purpose of the Study:

  • To investigate the effect of hypercholesterolemia on neurological recovery following acute ischemic stroke.
  • To analyze the association between hypercholesterolemia and stroke severity and recovery outcomes.

Main Methods:

  • Retrospective analysis of 3048 acute ischemic stroke patients from the Chang Gung Healthcare System Stroke Registry.
  • Comparison of baseline characteristics between patients with and without hypercholesterolemia.
  • Multivariate logistic regression and subgroup analysis by age to assess the association with neurological severity and recovery.

Main Results:

  • 15.6% of patients had a history of hypercholesterolemia.
  • Hypercholesterolemia was associated with lower National Institutes of Health Stroke Scale (NIHSS) scores on admission (p=0.004).
  • Patients with hypercholesterolemia showed significantly less improvement in NIHSS scores during hospitalization (p=0.002), consistent across age groups.

Conclusions:

  • Hypercholesterolemia in acute ischemic stroke patients is linked to reduced initial neurological severity.
  • Despite lower admission scores, hypercholesterolemia is associated with less favorable recovery during hospitalization.
  • The observed association between hypercholesterolemia and stroke recovery is independent of patient age.
Abstract

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