نتایج جستجو برای: left • heart

تعداد نتایج: 620177  

Journal: :archives of cardiovascular imaging 0
anita sadeghpour echocardiography research center, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, ir iran; echocardiography research center, rajaie cardiovascular medical and research center, ir iran +98-2123922145, [email protected]

Journal: :archives of cardiovascular imaging 0
anita sadeghpour echocardiography research center, rajaie cardiovascular medical and research center, iran university medical science, tehran, ir iran; md, fase, facc, echocardiography research center, rajaie cardiovascular medical and research center, tehran, ir iran. tel: +98-2123922145, fax: +98-2122042026 majid kyavar rajaie cardiovascular medical and research center, iran university medical science, tehran, ir iran mohammad ali yousefnia rajaie cardiovascular medical and research center, iran university medical science, tehran, ir iran soheila chamanian mashhad university medical sciences, mashhad, ir iran zahra khajali rajaie cardiovascular medical and research center, iran university medical science, tehran, ir iran zahra alizadeh sani rajaie cardiovascular medical and research center, iran university medical science, tehran, ir iran

abstract hypoplastic right ventricular is a rare congenital heart disease. a few cases have been reported. we presented a case with hypoplastic right ventricular and multiple associated anomaly (ventricular septal defect, atrial septal defect and pulmonary stenosis) in whom the main concern was whether biventricular repair or fontan type surgery would be the optimal management in this patient. ...

Journal: :the journal of tehran university heart center 0
masoumeh lotfi-tokaldany tehran heart center, tehran university of medical sciences, tehran, iran. zahra savand-roomi tehran heart center, tehran university of medical sciences, tehran, iran. ali kasemisaeid tehran heart center, tehran university of medical sciences, tehran, iran. hakimeh sadeghian tehran heart center, tehran university of medical sciences, tehran, iran.

background: several echocardiographic markers have been introduced to assess the left ventricular (lv) mechanical dyssynchrony. we studied dyssynchrony markers and the latest lv activation site in heart failure patients with and without left bundle branch block (lbbb). methods: conventional echocardiography and tissue velocity imaging were performed for 78 patients (lv ejection fraction ≤ 35%),...

Journal: :the journal of tehran university heart center 0
gholamreza davoodi tehran heart center, tehran university of medical sciences, tehran, iran. alireza amirzadegan tehran heart center, tehran university of medical sciences, tehran, iran. mohammad ali boroumand tehran heart center, tehran university of medical sciences, tehran, iran. maria raissi dehkordi tehran heart center, tehran university of medical sciences, tehran, iran. ali kazemi saeid tehran heart center, tehran university of medical sciences, tehran, iran. ahmad yamini sharif tehran heart center, tehran university of medical sciences, tehran, iran.

background : androgens have been shown to have diverse effects on the cardiovascular system. the aim of this study was to compare androgenic hormone levels in patients with different left ventricular ejection fractions (ef). methods : the study population consisted of 515 consecutive men who were referred for angiographic studies and whose results of echocardiography and coronary angiography we...

Journal: :medical journal of islamic republic of iran 0
a heidarpour from the department of anesthesiology, baghiatallah (a.s.) university of medical sciences, tehran k bagheri the depariment of anesthesiology, isfahan university of medical sciences, isfahan, islamic republic of iran h azarsina from the department of anesthesiology, baghiatallah (a.s.) university of medical sciences, tehran a bordbar the depariment of anesthesiology, isfahan university of medical sciences, isfahan, islamic republic of iran n fateh the depariment of anesthesiology, isfahan university of medical sciences, isfahan, islamic republic of iran

hypertonic saline solution can absorb part of the intracellular fluid volume into the extracellular space. the effects of this solution on the cardiovascular system are increased coronary flow and increased left ventricular contraction, without sympathetic system activation. this study was designed to assess the effects of hypertonic saline solution in open heart surgery and to compare it with ...

Journal: :the journal of tehran university heart center 0
mahdi montazeri tehran heart center, tehran university of medical sciences, tehran, iran. mehrnaz rezvanfard tehran heart center, tehran university of medical sciences, tehran, iran. ali kazemisaeid tehran heart center, tehran university of medical sciences, tehran, iran. masoumeh lotfi tokaldany tehran heart center, tehran university of medical sciences, tehran, iran. azam safir mardanloo tehran heart center, tehran university of medical sciences, tehran, iran. farzad darabi tehran heart center, tehran university of medical sciences, tehran, iran.

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...

Journal: :the journal of tehran university heart center 0
abdolrasoul moulodi imam ali cardiovascular center, kermanshah university of medical sciences, kermanshah, iran. gholamreza sheibat-zadeh imam ali cardiovascular center, kermanshah university of medical sciences, kermanshah, iran. feridoun sabzi imam ali cardiovascular center, kermanshah university of medical sciences, kermanshah, iran.

the optimal treatment method for right ventricular failure after valve surgery complicated by a low cardiac output has not been determined, although several case reports have been published on patients with ventricular failure and arrhythmia who were bridged to cardiac transplantation using biventricular or left ventricular assist devices. this case series illustrates successful circulatory sup...

Journal: :the journal of tehran university heart center 0
mohammad reza dehghani seyyed-o-shohada heart hospital, uromieh university of medical sciences, uromieh, iran. azam soleimani chamran heart hospital, isfahan university of medical sciences, isfahan, iran. mohammad reza samiei nasab chamran heart hospital, isfahan university of medical sciences, isfahan, iran.

background: ventriculoatrial (va) conduction has an important role in the initiation and maintenance of some arrhythmias. the aim of this study was to evaluate whether clinical and electrophysiological parameters of atrioventricular (av) conduction can predict va conduction. methods: detailed demographic, electrocardiographic, and echocardiographic data were recorded in 54 consecutive patients ...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی استان کرمان 1376

از آنجا که تطابق(adaptation) به هیپوکسی ناشی از زندگی در ارتفاعات نتایج مثبتی را بر عملکرد قلب داشته، آیا می توان با ایجاد هیپوکسی مزمن ناشی از سیانید، مقاومت قلب در شرایط ایسکمی را بالا برد؟ در پاسخ به این سوال روی ratهای نر بالغ در دو گروه تست (n32) و شاهد(n10) صوزل گرفت . در مدت 5 هفته به گروه تست روزانه 1/7 mg/kg سیاتید و به گروه شاهد با حجم مساوی سالین نرمال به شکل داخل صفاتی تزریق شد. سپس...

A. A. Nekooeian, T. Mashhoodi

The objective of this study was to determine the chronology of changes in blood pressure in renalhypertension induced by solid plexiglass clips in rats. Saw blades with the thickness of 0.21-0.22 mm wereused to make clips sized 4 × 2 × 2 mm from a piece of 2-mm thick plexiglass. Rats were subjected to shamoperation or left renal arterial clipping, and 1, 2, 3 and 4 weeks later blood pressure, a...

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