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Association Between CHADS2 Score and the Development of Interatrial Block

Jin-Tao Wu1, Xian-Wei Fan1, Hai-Tao Yang1

  • 1Department of Cardiology, Henan Provincial People's Hospital (Zhengzhou University People's Hospital).

International Heart Journal
|October 30, 2018
PubMed

Insights

The CHADS 2 score, a measure of stroke risk, is significantly associated with interatrial block (IAB), a heart condition. Higher CHADS 2 scores indicate a greater likelihood of developing IAB, impacting patient risk stratification.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Internal Medicine

Background:

  • Interatrial block (IAB) is recognized as a significant predictor of various cardiovascular conditions.
  • Understanding factors associated with IAB is crucial for improving patient outcomes and risk assessment.

Purpose of the Study:

  • To investigate the potential association between the CHADS 2 score and the development of interatrial block (IAB).
  • To determine if the CHADS 2 score can serve as a predictive marker for IAB.

Main Methods:

  • Retrospective analysis of 1072 patients.
  • Measurement of P-wave duration on 12-lead electrocardiograms to diagnose IAB (P-wave duration ≥ 120 ms).
  • Calculation of CHADS 2 scores and multivariate analysis to identify independent predictors of IAB.

Main Results:

  • The prevalence of IAB was 36.1% in the study population.
  • Increased CHADS 2 score (OR, 1.810), coronary artery disease, and left atrial diameter were independently associated with IAB.
  • A significant positive correlation was observed between higher CHADS 2 scores and the presence of IAB, with a notable increase in IAB prevalence for scores ≥ 2.

Conclusions:

  • The CHADS 2 score is a significant and independent predictor of interatrial block.
  • The findings suggest that the CHADS 2 score can be utilized in the assessment and risk stratification of patients with or at risk for IAB.

Keywords:
P-wave duration

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