نتایج جستجو برای: fetal ventricular function
تعداد نتایج: 1406815 فیلتر نتایج به سال:
Introduction: Increased serum levels of FGF23 is associated with left ventricular hypertrophy. Increased serum ACE probably plays a role in cardiovascular disease and negatively affects the structure and function of cardiac muscle and leads to an induction of pathologic concentric hypertrophy. The aim of the present study was to investigate the effect of 12 weeks aerobic exercise on plasma FGF2...
Abstract Background: Diastolic heart failure comprises 50 percent of cases of heart failure. The implications of increased levels of cardiac troponin I (CTnI) on congestive heart failure with preserved systolic function (AHF PEF) have been poorly evaluated. We hypothesized that its level might be elevated in AHF PEF so this evaluation was done in patients referred to Taleghani hospital with ...
BACKGROUND Fetal tachycardia complicated by ventricular dysfunction and hydrops fetalis carries a significant risk of morbidity and mortality. Transplacental digoxin is effective therapy in a small percentage, but there is no consensus with regard to antiarrhythmic treatment if digoxin fails. This study evaluates the safety, efficacy, and outcome of amiodarone therapy for digoxin-refractory fet...
Introduction: Pneumonectomy is the standard treatment of lung cancer, even though patients should undergo several evaluations before surgery; deterioration of cardiopulmonary function after pulmonary resection is inevitable. We have evaluated the effects of digoxin on the improvement of right ventricular function and prevention of probable complications after lung resection surgery. Materials a...
We hypothesized that umbilical artery (UA) absolute blood flow velocities measured by Doppler ultrasonography reflect placental volume blood flow (Q(UA)) and placental vascular resistance (R(UA)) in a late gestation fetal sheep model. In addition, we examined the relationships between umbilical artery absolute blood flow velocities and parameters of fetal cardiac function. Twenty-six sheep fetu...
Antenatal stimulation of lung growth is a reasonable approach to treat congenital diaphragmatic hernia (CDH), a disease characterized by pulmonary hypoplasia and hypertension. Several evidences from the literature demonstrated a possible involvement of renin-angiotensin system (RAS) during fetal lung development. Thus, the expression pattern of renin, angiotensin-converting enzyme, angiotensino...
Background and Aim: Heart failure is one of the most prevalent diseases with high mortality and disability. Beta blockers are among basic drugs treating the disorder and leading to reduction in cardiovascular mortality, and improvement of symptoms and left ventricular function. Regarding the increasing prevalence of this disease, the present study was carried out to compare carvedilol with meto...
BACKGROUND Present data regarding how the fetal heart works and develops throughout gestation is limited. However, the possibility to analyze the myocardial velocity profile provides new possibilities to gain further knowledge in this area. Thus, the objective of this study was to evaluate human fetal myocardial characteristics and deformation properties using color-coded tissue velocity imagin...
Corticogenesis is underpinned by a complex process of subcortical neuroproliferation, followed by highly orchestrated cellular migration. A greater appreciation of the processes involved in human fetal corticogenesis is vital to gaining an understanding of how developmental disturbances originating in gestation could establish a variety of complex neuropathology manifesting in childhood, or eve...
Introduction: The present study is aimed to evaluate electrophysiological remodeling of atrioventricular (AV) node and ventricular conduction during experimental atrial fibrillation (AF) model in isolated heart of cirrhotic rats. Methods: Cirrhosis-induced electrophysiological remodeling was evaluated in 24 isolated retrogradely perfused rat hearts in 2 groups (control and cirrhotic). Cirrho...
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