Email this article Diagnosis of coronary atherosclerosis using stress echocardiography with bicycle exercise
- Authors: Duplyakov DV1, Emelyanenko VM1, Svetlakova LP1, Goleva SV1, Sysuenkova EV1
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Affiliations:
- Issue: Vol 79, No 11 (2004)
- Pages: 14-19
- Section: Editorial
- URL: https://ter-arkhiv.ru/0040-3660/article/view/29899
- ID: 29899
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Abstract
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
(78.6%).
Conclusion. Hemodynamic parameters must be assessed in the course of SECG for objectiviiation of
the result and improvement of its specificity.
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
(78.6%).
Conclusion. Hemodynamic parameters must be assessed in the course of SECG for objectiviiation of
the result and improvement of its specificity.
References
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