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Iranian Heart Journal، جلد ۸، شماره ۲، صفحات ۳۵-۳۸
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عنوان انگلیسی HEMODYNAMIC EVALUATION OF MITRAL STENOSIS USING STRESS ECHOCARDIOGRAPHY
چکیده انگلیسی مقاله Objectives- The aim of this study was to evaluate the relation of symptoms to valve stenosis. The hemodynamic data were evaluated at rest and after exercise using exercise stress echocardiography.Methods- We prospectively studied hemodynamic data in 15 consecutive patients with moderate mitral stenosis (MS) who were in NYHA function class two or higher. Treadmill exercise stress echocardiography (Bruce protocol) was done (GE Vingmed CFM 800). Mitral valve area (by planimetry and PHT method), mean TMVG, peak TMVG, and PAP were measured in all the patients at rest and within 90 seconds after the termination of exercise.Results- In 66.7% of patients with moderate mitral stenosis, the stenosis was hemodynamically significant regarding the increase in mean TMVG (2 times in comparison with rest, or more than 15mmHg) and PAP after exercise.Conclusions- Our results suggest that in patients with moderate mitral stenosis, hemodynamic response to exercise has better correlation with the degree of valve stenosis severity and the occurrence of symptoms. In these patients, exercise stress Doppler echocardiography is a noninvasive and reliable method to assess the mitral flow characteristics.
کلیدواژه‌های انگلیسی مقاله MITRAL STENOSIS, STRESS ECHOCARDIOGRAPHY, EXERCISE
نویسندگان مقاله M. ESMAEILZADEH |
SHAHEED RAJAIE CARDIOVASCULAR MEDICAL CENTER, VALI ASR AVE., MELLAT PARK, TEHRAN, IRAN

M. MALAKI |


N. SAMIEI |


A. SADEGHPOUR |


F. NOUHI |


Z.M. OJAGHI |


A. MOHEBI |


نشانی اینترنتی http://journal.iha.org.ir/article_83978_fcd382488253e8c90d753809b6ad502b.pdf
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