Heart Failure With Preserved Ejection Fraction Heart failure with preserved ejection fraction (HFpEF) or diastolic heart failure (HF) accounts for approximately half of HF cases in the community, and the portion of HF with preserved ejection fraction (EF) is increasing. Patients with HFpEF have limited functional capacity and poor prognosis. With ongoing shifts in the age distribution of the po...

Submit Manuscript | http://medcraveonline.com Abbreviations: AV: Atrio-Ventricular; AVD: Atrio-Ventricular Delay; AVI: Atrio-Ventricular Interval; CO: Cardiac Output; CRT: Cardiac Resynchronization Therapy; DDD: Dual Chamber Pacemaker with Dual Pacing-Dual Sensing-Dual Response to Heart Rate; ECG: Electrocardiogram; EF: Ejection Fraction; IQR: Interquartile Range; LA: Left Atrium; LAP: Left Atr...

heart failure is common in patients with chronic renal disease, either as a complication of renal failure or from shared risk factors, or is the major cause of death in patients on dialysis. at present, end stage renal disease (esrd) patients who have systolic heart failure are considered high-risk for surgery; and nephrologists and cardiologists are reluctant to refer these patients for kidney...

the aim of this study was to assess the effect of spinal block with low dose of bupivacaine and sufentanil on patients with low cardiac output who underwent lower limb surgery. fifteen patients who had ejection fraction less than 40% (group 1) were compared with 65 cases with ejection fraction more than 40% (group 2) in our study. our subjects underwent spinal block with 7.5 mg hyperbaric bupiv...

Our study was undertaken to assess the prognostic significance of pharmacological stress echocardiography in 325 diabetic patients. Pharmacological stress echocardiography was performed for diagnosis of coronary artery disease in 128 patients, and for risk stratification in 197 patients. Follow-up was 34 months. Cardiac-related death and non-fatal myocardial infarction were considered hard even...

Postoperative survival and left ventricular function were studied in 128 patients who underwent isolated aortic valve replacement by the Björk-Shiley valve between 1973 and 1977. The average follow-up was 2.1 years. Patients with associated coronary artery disease or mitral valve disease were excluded. Preoperative ejection fraction ranged from 15-84%. Forty-two patients were restudied by cardi...

The effects of nitroglycerin (TNG) on exerciseinduced abnormalities of left ventricular wall motion and ejection fraction are unknown in symptomatic and asymptomatic patients with coronary artery disease (CAD). In the present investigation radionuclide cineangiographic studies were performed in 47 patients with CAD (14 without angina during exercise) and in 25 normal subjects. All CAD patients,...

The ejection fraction (EF) of the left ventricle was measured by radionuclide ventriculography in 64 patients during an acute cerebrovascular accident. Sixteen patients (12 with coronary artery disease) died within two weeks of the onset of symptoms and had only one EF measurement. In the remaining 48 patients, the EF was also measured two weeks and three months after the acute event. The eject...

Background Clinical studies have shown that many patients may have abnormally reduced myocardial shortening despite preserved ejection fraction (EF). Mathematical modeling explains this apparent paradox by demonstrating, that whilst myocardial shortening determines radial strain (RS), it is absolute wall thickness (AWT) rather than RS that determines EF. We sought in vivo cardiac MR (CMR) evide...

AIMS Chagas disease patients often present premature ventricular complexes (PVCs), depression of left ventricular ejection fraction (LVEF) and autonomic dysfunction, which is generally evaluated by heart rate variability (HRV) analysis. As frequent PVCs may complicate HRV computation, we measured heart rate turbulence (HRT) and evaluated the correlation between ejection fraction and HRT or HRV ...