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A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia
06:01

A Thrombotic Stroke Model Based On Transient Cerebral Hypoxia-ischemia

Published on: August 18, 2015

Cardiac troponin T elevation after stroke: relationships between elevated serum troponin T, stroke location, and

Hwa-Suk Song1, Jang-Hyun Back, Dong-Kwan Jin

  • 1Department of Neurology, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea.

Journal of Clinical Neurology (Seoul, Korea)
|June 11, 2009
PubMed

Insights

Elevated cardiac troponin T (cTnT) in acute ischemic stroke patients indicates more severe strokes and poorer outcomes. This finding highlights a potential link between cardiac damage and stroke severity, warranting further investigation.

Area of Science:

  • Cardiology
  • Neurology
  • Biomarkers

Background:

  • Serum cardiac troponin T (cTnT) elevation typically indicates acute coronary syndrome.
  • The presence of elevated cTnT in acute ischemic stroke (AIS) patients is known, but its clinical significance remains unclear.
  • Understanding the relationship between elevated cTnT and AIS is crucial for prognosis.

Purpose of the Study:

  • To investigate the association between elevated serum cTnT levels and stroke severity in AIS patients.
  • To determine the correlation between elevated cTnT and the location of the ischemic event.
  • To identify the impact of elevated cTnT on the short-term prognosis of AIS.

Main Methods:

  • A cohort of 455 consecutive AIS patients admitted within 3 days of symptom onset was analyzed.
  • Patients were confirmed for AIS via diffusion-weighted magnetic resonance imaging.
  • The study compared outcomes between an elevated cTnT group (n=45) and a normal cTnT group (n=371) using the 30-day modified Rankin Scale.

Main Results:

  • Elevated serum cTnT was observed in 10.8% of AIS patients.
  • Higher National Institutes of Health Stroke Scale scores (indicating greater severity) were associated with elevated cTnT.
  • Insular lobe involvement and unfavorable 30-day outcomes were more frequent in the elevated cTnT group.

Conclusions:

  • Elevated cTnT in AIS is linked to severe neurological deficits and insular lobe damage.
  • Patients with AIS and elevated cTnT experience worse short-term prognoses compared to those with normal cTnT levels.
  • Further research is needed to elucidate the pathomechanisms connecting AIS and subclinical myocardial damage.
Abstract

Keywords:
Acute myocardial infarction (AMI)Diffusion magnetic resonance imagingPrognosisSerum cardiac troponin T (cTnT)Stroke

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