background : left ventricular (lv) dyssynchrony is a prevalent feature in heart failure (hf) patients. the current study aimed to evaluate the prevalence of inter and intraventricular dyssynchrony in hf patients with regard to the qrs duration and etiology. methods: the available data on the tissue doppler imaging (tdi) of 230 patients with refractory hf were analyzed. the patients were divided...

introduction: the clinical and paraclinical characteristics of patients with congestive heart failure (chf) have been described by a number of previous studies, but very little information is available on this issue in iran. this study aimed to delineate the clinical and paraclinical characteristics of iranian patients hospitalized with chf. methods: during an observational, analytical, descrip...

background: heart failure is a severe chronic disease and has a negative impact on the health-related quality of life (hrql). in addition to preventing disease progress, one of the important goals in heart failure treatment is to improve the patient’s quality of life. this study is aimed to compare three generic to specific quality of life instruments that are used in cardiac rehabilitation set...

today, with emphasis on the mechanical heart and heart transplantation from one human to another andone species to another, a knowledge of the anatomy of the bird’s heart could contribute to theseaccomplishments. eight male adult ostriches were used to study the heart macroscopically. this studyrevealed that the ostrich heart has some different features from the other birds. in the ostrich, fib...

introduction hydatid cyst is a significant health problem in underdeveloped and developing countries, particularly among sheep breeders. although cardiac involvement is seen only in 0.2% to 3% of the cases, early diagnosis and treatment are important. case presentation a 13-year-old boy with dyspnea and atypical pericardial type chest pain for three months was referred to us. chest x-ray reveal...

introduction low-grade endometrial stromal sarcoma (lg-ess) is a malignant intrauterine tumor that rarely presents with distant metastasis. simultaneous lung and cardiac metastases from lg-ess is also an extremely rare event. case presentation a 42-year-old woman presented with dyspnea and exercise intolerance. she had a history of hysterectomy and left salpingoophorectomy. she underwent second...

vein of galen aneurysmal malformation (vgam) is a rare congenital malformation, accounting for less than 1% of cerebrovascular abnormalities. the majority of reported cases have been associated with congestive heart failure (chf) in the neonatal period. herein, we present a case of vgam, diagnosed at 37 weeks of gestation during the intrauterine life case report: a full-term female newborn pres...

abstract         background and objective: scientific evidence reveals that the density of skeletal muscle microcirculations decreases in the patients with chronic heart failure. therefore, this study aimed to determine the impact of submaximal aerobic exercise training on restoration of fast/slow-twitch muscle fibers microcirculation in rats with myocardial infarction.          methods: in thi...

to evaluate the quality of services in hospitals can rely on mortality rate and side effects rate. according to performed studies, side effects rate is a better indicator to evaluate the quality of hospital services, therefore decreasing of side effects is one of the main objectives in hospital management. a side effect of open-heart surgery is the skin damage. some of iranian patients who were...