a periodic increase in blood pressure (bp) occurs during apneic episodes in patients with obstructive sleep apnea (osa). several factors including hypoxemia and an increase in heart rate (hr) were reported to be responsible for this increased bp. to examine the contribution of these two factors in increasing bp, 35 healthy male subjects (mean age±sd= 23.64±3.80) were studied in three experiment...

objective: for many years in herbal medicine the antihypertensive and lowering blood lipid properties of achillea wilhelmsii (a. wilhelmsii) have been suggested. in the present study the impacts of the plant extract on rabbit’s blood pressure and heart rate have been investigated. materials and methods: twelve nwz rabbits weighed 2-3 kg were randomly divided into two groups of 6 rabbits. the te...

background & aim : family caregivers of patients with heart failure (hf) deal with a wide range of problems related to caregiving that influence their mental health. the aim of this study was to investigate the mental health status of the family caregivers of patients with hf. methods & materials : in this descriptive cross-sectional study, 90 family caregivers of patients with hf, who referred...

conclusions cardiovascular risk factors were higher in subjects with diabetes compared to subjects without diabetes. lifestyle intervention programs should be focused on community education about reduction of cvd risk factors in patients with diabetes. background cardiovascular disease (cvd) is developing treacherously along industrialization and development of urbanization objectives the aim o...

background: at the present time, massage has become a popular therapy employed in complementary medicine. there is evidence showing that back massage might have many positive psychological effects, possibly due to having many autonomic nervous system afferent inputs. one of the frequent positions during massage is prone position. however, there has been limited research investigating the effect...

abstract background and purpose: surgery is a stressful situation and this study aimed to evaluate the effect of negative emotions coping styles training on mental health of the patients undergoing open-heart surgery. methods: this study was conducted with a pretest-posttest design on the patients undergoing open-heart surgery during a course of six months in mazandaran heart center, sari, iran...

primary pleuropulmonary synovial sarcomas are rare soft tissue malignancies; combined metastatic involvement of the heart is extremely rare. in this case report, a 17-year-old female presented with a history of chest pain. chest radiographs revealed a round mass in the left upper hemithorax, and computed tomography (ct) showed a well-defined heterogeneous enhancing mass abutting the pleura. a c...

background: potassium, as an extracellular ion, plays an important role in the electrophysiologic function of the myocardium and any change in extracellular concentration of this ion might have a marked impression upon myocyte electrophysiologic gain. high serum potassium levels are thought to impair pulse conduction in purkinje fibers and ventricles more than that in the atrioventricular (av) ...

introduction: along with advances occurring in cardiopulmonary bypass (cpb) including improved anesthesia intubation and early surgical interventions, it has become possible to correct life-threatening congenital heart anatomic abnormalities in patients. our study aimed to collect information from one of the most important centers of pediatric cardiac surgery in iran since there is limited info...

the presence of tumor thrombus in the right atrium is frequently the result of direct intraluminal extension of infra-diaphragmatic malignancy into the inferior vena cava (ivc) or supradiaphragmatic carcinoma into the superior vena cava (svc). right atrial tumor thrombus with extension into both svc and ivc has not been reported in the literature. we present a patient who presented with symptom...