Exercise-induced left bundle-branch block and prognosis

T. A. Grady*, A. C. Chiu, C. E. Snader, T. H. Marwick, J. D. Thomas, F. J. Pashkow, M. S. Lauer

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We sought to determine whether exercise-induced left bundle-branch block independently predicts mortality and cardiac morbidity. Using a matched control cohort study design, we compared 70 patients who developed this conduction disorder with 70 controls who did not. Kaplan-Meier event rates at 4 years were 19% among cases and 10% among controls. After adjusting for small differences in age, exercise-induced left bundle-branch block remained associated with a higher risk of developing a primary end point.

Original languageEnglish (US)
Pages (from-to)30-35
Number of pages6
JournalCardiology Review
Issue number7
StatePublished - Dec 1 2000

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine


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