Head-to-head comparison of peak upright bicycle and post-treadmill echocardiography in detecting coronary artery disease: A randomized, single-blind crossover study

Carlo Caiati, Mario Erminio Lepera, Domenico Carretta, Daniela Santoro, Stefano Favale

Research output: Contribution to journalArticlepeer-review

Abstract

Background Post-treadmill digital echocardiography (post-TME) is the most widely used form of exercise echocardiography, but ischemia can rapidly resolve in the postexercise period; peak upright bicycle digital echocardiography (UBE) has the advantage of providing images at peak exercise that reflect normal physiology. However, the comparative accuracy of the two methods in detecting ischemia in the same patients is unknown. To compare the relative diagnostic value of peak UBE and post-TME in detecting coronary artery disease, both tests were performed in 86 consecutive patients undergoing coronary angiography. Methods Eighty-six patients referred for evaluation of coronary disease underwent peak UBE (starting at 25 W, with 25-W increments every 3 min) and post-TME (Bruce protocol) in a random sequence. Digitized images of peak UBE and post-TME were interpreted in a random and blinded fashion. Results More transient wall motion abnormalities were detected with peak UBE than post-TME (55 vs 42, P

Original languageEnglish
Pages (from-to)1434-1443
Number of pages10
JournalJournal of the American Society of Echocardiography
Volume26
Issue number12
DOIs
Publication statusPublished - Dec 2013

Keywords

  • Coronary artery disease
  • Exercise
  • Stress echocardiography

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Cardiology and Cardiovascular Medicine

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