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Coronary Progenitor Cells and Soluble Biomarkers in Cardiovascular Prognosis after Coronary Angioplasty
10:03

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Published on: January 28, 2020

Predictors of coronary artery disease in patients with left bundle branch block undergoing coronary angiography

Rajjit Abrol1, Jeffrey C Trost, Keith Nguyen

  • 1Department of Internal Medicine, Division of Cardiology, University of Texas Southwestern Medical Center, Dallas, Texas, USA.

The American Journal of Cardiology
|December 1, 2006
PubMed

Insights

Patients with left bundle branch block (LBBB) and coronary artery disease (CAD) face worse outcomes. Identifying CAD in LBBB patients is challenging, but older age, male sex, and certain conditions like diabetes may indicate its presence.

Area of Science:

  • Cardiology
  • Medical Diagnostics

Background:

  • Left bundle branch block (LBBB) complicates coronary artery disease (CAD) diagnosis.
  • LBBB presence in CAD patients is linked to poorer prognosis and higher cardiovascular mortality.

Purpose of the Study:

  • To identify clinical and demographic factors aiding CAD detection in patients with LBBB.
  • To improve diagnostic strategies for CAD in the presence of LBBB.

Main Methods:

  • Analysis of data from 336 consecutive patients with LBBB undergoing coronary angiography.
  • Evaluation of clinical characteristics, demographics, and cardiac function.

Main Results:

  • 54% of patients with LBBB had confirmed CAD.
  • CAD was more prevalent in older, Caucasian males with a history of angina pectoris, myocardial infarction, and diabetes mellitus.
  • Lower left ventricular ejection fraction (<0.50) was associated with CAD.
  • Heart failure was less common in patients with CAD.

Conclusions:

  • Specific clinical and demographic factors can help identify CAD in LBBB patients.
  • Coronary angiography remains crucial for definitive CAD assessment in LBBB.
  • Understanding these predictors can refine patient selection for invasive procedures.

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