Effects of Levosimendan on Left Ventricular Functional Remodelling and Exercise Intolerance: A Tissue Doppler Study
نویسندگان
چکیده
منابع مشابه
Left ventricular mechanics during exercise: a Doppler and tissue Doppler study.
AIMS To study left ventricular mechanics of exercise with Doppler and tissue Doppler. METHODS AND RESULTS Twenty-one males (mean age, 26; height, 184 cm; weight, 84 kg), exercised on a bicycle, with increasing workload, with oxygen uptake, Doppler flow and tissue Doppler recordings during exercise. There was correlation between peak systolic LVOT flow and annulus velocity; R=0.72, (p<0.001) a...
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15 صفحه اولMechanisms of exercise intolerance: insights from tissue Doppler imaging.
BACKGROUND A decreased ratio of early to late diastolic mitral inflow velocities (E/A <1.0) reflects slowing of left ventricular (LV) relaxation. This finding is widely believed to indicate significant diastolic dysfunction. However, E/A <1.0 is common during normal aging and often is not associated with symptoms of heart failure. We asked (1) whether slowed LV relaxation is associated with exe...
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The phenomenon of “diastolic heart failure” is rightly receiving greater attention (1–4); community-based studies such as those in Framingham (5) and Olmsted County (6) show that up to 50% of older persons with heart failure do not have impaired left ventricular (LV) systolic function to account for this, and that the condition is usually associated with LV hypertrophy and is preceded by elevat...
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ژورنال
عنوان ژورنال: Journal of International Medical Research
سال: 2005
ISSN: 0300-0605,1473-2300
DOI: 10.1177/147323000503300405