Utility of stress Doppler echocardiography in patients undergoing percutaneous mitral balloon valvotomy

被引:26
作者
Aviles, RJ [1 ]
Nishimura, RA [1 ]
Pellikka, PA [1 ]
Andreen, KM [1 ]
Holmes, DR [1 ]
机构
[1] Mayo Clin & Mayo Fdn, Div Cardiovasc Dis & Internal Med, Rochester, MN 55905 USA
关键词
D O I
10.1067/mje.2001.112585
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
A subset of patients with mitral stenosis have symptoms out of proportion to the resting hemodynamics, Exercise Doppler echocardiography Is a useful diagnostic modality to determine which patients are limited by their valve obstruction and would therefore benefit from percutaneous mitral balloon valvotomy. We analyzed 11 patients who showed a peak exercise mean mitral gradient that doubled from baseline or a final gradient of > 15 mm Hg. The mean mitral gradient increased from 7 +/- 2 nun Hg at rest to 19 +/- 6 mm Hg (P < .001) with exercise, All patients reported improvement in symptoms of at least 1 functional class after valvotomy.
引用
收藏
页码:676 / 681
页数:6
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