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Risk factors for thromboembolic complications in chronic atrial fibrillation. The Copenhagen AFASAK study

P Petersen1, J Kastrup, S Helweg-Larsen

  • 1Department of Neurology, University Hospital, Copenhagen, Denmark.

Archives of Internal Medicine
|April 1, 1990
PubMed

Insights

Previous myocardial infarction is a significant risk factor for thromboembolic complications in chronic atrial fibrillation patients. Other common risk factors like age and hypertension were not found to be significant in this study.

Area of Science:

  • Cardiology
  • Clinical Research

Background:

  • Atrial fibrillation (AF) is a common arrhythmia associated with increased risk of thromboembolic complications.
  • Understanding cardiovascular risk factors is crucial for managing AF patients and preventing stroke.

Purpose of the Study:

  • To evaluate the association between cardiovascular risk factors and the development of thromboembolic complications in patients with chronic atrial fibrillation.
  • To identify significant predictors of thromboembolic events in the placebo group of the Copenhagen AFASAK study.

Main Methods:

  • Analysis of data from 336 patients in the placebo group of the Copenhagen AFASAK study.
  • Utilized Cox's regression model to assess the statistical importance of various cardiovascular risk factors.
  • Included baseline assessments such as physical examination, chest roentgenogram, and echocardiogram for left atrial size determination.

Main Results:

  • Previous myocardial infarction was identified as a statistically significant risk factor for thromboembolic complications.
  • Factors including age, gender, heart failure, hypertension, diabetes, blood pressure, smoking, heart volume, and left atrial size were not statistically significant.

Conclusions:

  • Previous myocardial infarction is a key predictor of thromboembolic complications in chronic atrial fibrillation.
  • The study highlights the importance of considering a history of myocardial infarction in risk stratification for AF patients.

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