J Korean Soc Echocardiogr.  1994 Dec;2(2):136-142. 10.4250/jkse.1994.2.2.136.

Doppler Assessment of Mitral and Aortic flow in Exercise Stress Echocardiography

• Lee MY
• Lee WH
• Shon KH
• Kim KS
• Kang HS
• Choue CW
• Kim MS
• Song JS
• Bae JH

• KMID: 2410441
• DOI: http://doi.org/10.4250/jkse.1994.2.2.136

Abstract

BACKGROUND
The pattern of left ventricular filling as depicted Doppler echocardiographic transmitral flow velocities has been used to left ventricular diastolic properties and altered transmitral and aortic flow by abnormal myocardial wall motion and left ventricular function in ischemic heart disease was predicted during exercise stress echocardiography.
METHODS
To determine the effects of altered wall motion on Doppler indexes of mitral and aortic flow, we studied 46 angina pectoris patients and divided into 3 groups(Group I : No wall notion abnormality before and after exercise, Group IIA : Wall motion abnormality after exercise and E/A ratio < 1 at rest, Group IIB : Wall motion abnormality after exercise and E/A ratio>1 rest). Transmitral flow measurements comprised peak and integrated early passive(E) and late atrial(A) filling velocities and ratio. Aortic flow measurements comprised peak velocity and acceleration time.
RESULTS
Heart rate in group I was 63.1/min at rest and 88.6/min at Doppler echocardiography after exercise. Group IIB was 63.6/min, 83.9/min, respectively. In group IIB E/A ratio was significantly decreased after exercise(p < 0.001) and acceleration time of aortic flow was not significantly decreased.
CONCLUSION
Doppler echocardiographic transmitral aortic flow was altered by abnormal regional wall motion in ischemic heart diseae during exercise stress echocardiography.

Keyword

Exercise stress Echocardiography; Coronary artery disease

MeSH Terms

Acceleration
Angina Pectoris
Coronary Artery Disease
Echocardiography
Echocardiography, Doppler
Echocardiography, Stress*
Heart
Heart Rate
Humans
Myocardial Ischemia
Ventricular Function, Left

Figure

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  Fig. 1. Classification of subjects by treadmill exercise echocardiography. WMA: wall motion abnormality

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  Fig. 2. Comparison of mitral flow in group I and IIB.

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  Fig. 3. Comparison of aortic flow in Group I and Group IIB.

Reference

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