Effect of left ventricular global systolic function, mitral regurgitation, and left ventricular inflow pattern on exercise echocardiography results

Echocardiography
J PeteiroA Castro-Beiras

Abstract

Diagnosis of coronary artery disease (CAD) by exercise echocardiography is usually based on rest or exercise-induced regional wall-motion abnormalities. Mitral regurgitation (MR), left ventricular (LV) global systolic function, and LV inflow measurements can be assessed during exercise echocardiography; however, their diagnostic value has not been analyzed consistently. Treadmill exercise echocardiography and coronary angiography were performed in 120 patients (94 male, 26 female; mean age 61 +/- 10 years [+/- 1 SD]) to evaluate known or suspected CAD. Positive exercise echocardiography was defined either as a rest- or exercise-induced regional wall-motion abnormalities. An abnormal response of LV ejection fraction (EF), LV volumes, MR (as assessed by color Doppler), and LV inflow pattern was defined as a fall in LVEF, a LV end-diastolic volume increase, a LV end-systolic volume increase, a new or increased MR, or a change from an impaired relaxation pattern (E < A) to a "pseudonormalized" pattern (E > A) from rest to exercise, respectively. CAD (> or = 50% luminal narrowing in at least one vessel) was found in 89 (74%) patients. EE-based regional wall-motion abnormality analysis was positive in 95 (79%) patients and negative i...Continue Reading

Citations

Jul 16, 2008·Medical & Biological Engineering & Computing·Eduardo Jyh Herng WuSérgio C Pontes
Jul 31, 2007·Journal of the American Society of Echocardiography : Official Publication of the American Society of Echocardiography·Jesús PeteiroAlfonso Castro-Beiras
Jun 24, 2004·Echocardiography·Wen-Chih WuAra Sadaniantz
Apr 4, 2007·Equine Veterinary Journal. Supplement·R Buhl, A K Ersbøll

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