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Does Fasting Triglyceride Level Influence Core Infarct Volume in Acute Stroke?

Surabhi Garg1, Tuqa Asedi2, Elyse Sandra Vetter2

  • 1The Ottawa Hospital, University of Ottawa, Ottawa, ON.

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Summary

Elevated triglyceride (TG) levels in acute ischemic stroke patients correlate with larger infarct volumes. This suggests hypertriglyceridemia may predict worse stroke outcomes and warrants further investigation as a therapeutic target.

Keywords:
infarct volumestroketriglycerides

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Area of Science:

  • Neurology
  • Cardiology
  • Metabolic Syndrome

Background:

  • Hypertriglyceridemia is a common metabolic abnormality.
  • Its role in acute ischemic stroke (AIS) severity, specifically infarct volume, requires further elucidation.

Purpose of the Study:

  • To investigate the association between fasting triglyceride levels and initial infarct volume in AIS patients.
  • To explore potential differences in this relationship across stroke etiologies.

Main Methods:

  • Retrospective chart review and cross-sectional analysis of 178 AIS patients.
  • Inclusion criteria: CTA/CTP within 24 hours, fasting triglycerides within 24 hours.
  • Infarct volume calculated using RAPID software; statistical analyses performed using STATA.

Main Results:

  • A significant positive association was found between triglyceride levels and infarct volume (P<0.01).
  • Each unit increase in TG levels correlated with a 0.17 mL increase in infarct volume.
  • Embolic stroke of undetermined source (ESUS) patients exhibited larger infarct volumes and higher mean TG levels.

Conclusions:

  • Hypertriglyceridemia is linked to larger infarct volumes in AIS, particularly in ESUS.
  • Elevated TG levels may indicate poorer stroke outcomes.
  • Targeting hypertriglyceridemia could be a strategy for stroke prevention.