نتایج جستجو برای: diastolic dysfunction
تعداد نتایج: 185343 فیلتر نتایج به سال:
BACKGROUND Heart failure with preserved ejection fraction is 1 consequence of hypertension and is caused by impaired cardiac diastolic relaxation. Nitric oxide (NO) is a known modulator of cardiac relaxation. Hypertension can lead to a reduction in vascular NO, in part because NO synthase (NOS) becomes uncoupled when oxidative depletion of its cofactor tetrahydrobiopterin (BH(4)) occurs. Simila...
Asymptomatic diastolic dysfunction in the general population is common, even in patients without congestive heart failure, 1,2 and the prevalence of moderate to severe diastolic dysfunction in asymptomatic patients increases in patients >65 years old with associated hypertension and coronary artery disease. The presence of diastolic dysfunction alone predicts worse outcome, with worse prognosis...
Peripartum cardiomyopathy is a rare but potentially life-threatening condition. The current definition of peripartum cardiomyopathy only includes patients with systolic dysfunction. We describe a 25-year-old nulligravid patient with heart failure, i.e. left ventricular diastolic dysfunction with preserved systolic dysfunction during the third trimester of pregnancy. She complained of dyspnea an...
Left ventricular diastolic dysfunction in clinical practice is generally diagnosed by imaging. Recognition of heart failure with preserved ejection fraction has increased interest in the detection and evaluation of this condition and prompted an improved understanding of the strengths and weaknesses of different imaging modalities for evaluating diastolic dysfunction. This review briefly provid...
Introduction: Patients with systemic sclerosis have a high prevalence of myocardial fibrosis, which has a potential negative impact on cardiac function. Diastolic dysfunction is a frequent echocardiographic finding in patients with scleroderma. The aim of this study was to evaluate the possible influence of myocardial fibrosis on the diastolic function of the left ventricle in patients with sys...
Background—Heart failure with preserved ejection fraction is 1 consequence of hypertension and is caused by impaired cardiac diastolic relaxation. Nitric oxide (NO) is a known modulator of cardiac relaxation. Hypertension can lead to a reduction in vascular NO, in part because NO synthase (NOS) becomes uncoupled when oxidative depletion of its cofactor tetrahydrobiopterin (BH 4) occurs. Similar...
BACKGROUND/AIM Diastolic dysfunction is frequently associated with left ventricular hypertrophy, which is indicative of future cardiovascular events. Vascular calcification (VC) is known to be associated with coronary artery disease in dialysis patients. The present study was to determine the interrelationship between LV diastolic dysfunction by tissue Doppler imaging and VC on plain radiograph...
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