Meraza MAE, Aceves MR, Ixcamparij RC, Rodríguez MA, Jiménez VAS, Gutiérrez LR

Language: Spanish
References: 16
Page: 179-184
PDF size: 189.09 Kb.

ABSTRACT

Objective: We sought to examine the diagnostic value of positive CPPS for detecting coronary artery disease (CAD) in patients with chest pain and apparently normal left ventricular contraction.
Methods: A total of 21 patients underwent spectral Doppler tissue imaging measurements at the annular and mid left ventricular levels in the apical 4- and 2-chamber views (8 points/patient) at rest in addition to standard echocardiography. Subsequently, patients underwent thallium-201 myocardial perfusion or echo dobutamine and coronary angiography.
Results: We analyzed 168 segments of left ventricle, in 85% of cases we found a positive myocardial velocity during isovolumetric relaxation phase with duration between 80-120 msec. In these cases we confirmed ischemia and coronary artery disease. Presence of positive CPPS predicted CAD with sensitivity of 81% and specificity of 31%.
Conclusion: Positive CPPS detected by spectral tissue Doppler imaging is a useful indicator of CAD in patients with apparently normal left ventricular contraction and chest pain.

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