Diagnosis of coronary atherosclerosis using stress echocardiography with bicycle exercise

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Aim. To determine sensitivity and specificity of stress echocardiography (SEC) in diagnosis of stenosing
atherosclerosis of coronary arteries (CA), especially in patients recovered from Q-myocardial infarction.
Material and methods. The above sensitivity and specificity were studied in 75 patients (70 males and
5 females; mean age 53.7 ± 7 years) with coronary atherosclerosis (CS).
Results. The sensitivity of impaired local contractility index (IL CI) in univessel lesion was 77.8%, in
multivessel lesion - 90.4%, specificity - 85.7%. Sensitivity of other parameters studied was for development
of an anginal episode 65.4%, increment of ejection fraction under 5% - 63.9%, increased
end systolic volume - 61.1 %, depression of ST segment - 48.1 %, increased end diastolic volume
38.9%. A total of 3 parameters had 100% sensitivity: impossible a > 5% rise of EF in response to exercise,
an increase of end systolic and diastolic volumes, anginal attack (85.7%), ST depression
Conclusion. Hemodynamic parameters must be assessed in the course of SECG for objectiviiation of
the result and improvement of its specificity.


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Copyright (c) 2004 Duplyakov D.V., Emelyanenko V.M., Svetlakova L.P., Goleva S.V., Sysuenkova E.V.

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