نتایج جستجو برای: ventricle

تعداد نتایج: 36751  

Journal: :medical journal of islamic republic of iran 0
sohrab sadeghi from the dept. of neurosurgery, loghman-hakim medical center; shahid beheshti university of medical sciences, tehran, iran. guive sharifi from the dept. of neurosurgery, loghman-hakim medical center; shahid beheshti university of medical sciences, tehran, iran. ali aliasgari

familial colloid cyst of the third ventricle is very rare. this is one of the two largest families reported and the first in which all affected members are siblings. one asymptomatic sister was found by screening, emphasizing the value of screening. a brother and two sisters from a family consisting of three brothers and three sisters who were diagnosed as having colloid cyst of the third ventr...

Journal: :iranian journal of medical physics 0
zahra ojaghi-haghighi echocardiography research center, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, iran azin alizadehasl echocardiography research center, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, iran atoosa mostafavi echocardiography research center, shariati medical and research center, tehran university of medical sciences, tehran, iran hassan moladoust cardiovascular research center, school of medicine, guilan university of medical sciences, rasht, iran nasim naderi department of heart failure and transplantation, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, iran majid maleki echocardiography research center, rajaie cardiovascular medical and research center, iran university of medical sciences, tehran, iran

introduction left ventricular (lv) twist is believed to store potential energy and plays an important role in generating diastolic suction. recent advances in echocardiography techniques have allowed quantification of lv twist. the aim of the present study was to compare lv twist and torsion in healthy human subjects determined by velocity vector imaging (vvi) and tissue doppler imaging (tdi) a...

Journal: :iranian red crescent medical journal 0
ahmad mirdamadi islamic azad university, najafabad branch, isfahan, ir iran; islamic azad university, najafabad branch, isfahan, ir iran samira ashrafi isfahan university of medical sciences, isfahan, ir iran

conclusions patients faced with isolated left ventricular apical hypoplasia should be monitored by echocardiography because of this disease’s possible progressive trend to life-threatening consequences. introduction isolated left ventricular apical hypoplasia is an unusual type of cardiomyopathy that presents with different clinical manifestations according to the age of the disease, ranging fr...

Journal: :archives of cardiovascular imaging 0
mersedeh karvandi, md taleghani hospital, shahid beheshti university of medical sciences, tehran, ir iran; corresponding author: mersedeh karvandi, taleghani hospital, shahid beheshti university of medical sciences, tehran, ir iran. tel: +98-2123031331, fax: +98-2122432576, e-mail:

conclusions results suggest that these methods cannot be interchanged, and vvi showed significantly lower lv peak twist, peak twisting rate and peak untwisting rate. however, when lv twist and lv twisting rates were normalized to lv length, values were comparable for both imaging techniques. results twist degree was significantly lower in the vvi group than in the tdi group (p = 0.008, r = 0.56...

Journal: :archives of cardiovascular imaging 0
alireza moaref cardiovascular research center, shahid faghihi hospital, shiraz university of medical sciences, shiraz, ir iran; cardiovascular research center, shahid faghihi hospital, shiraz university of medical sciences, shiraz, ir iran. tel/fax: +98-7112342248 firuzeh abtahi cardiovascular research center, shiraz university of medical sciences, shiraz, ir iran kamran aghasadeghi cardiovascular research center, shiraz university of medical sciences, shiraz, ir iran shahnaz shekarforoush department of physiology, arsanjan branch, islamic azad university, shiraz, ir iran

conclusions this study indicated that the rv systolic strain and strain rate can be used to detect early rv systolic dysfunction in ssc patients without pulmonary hypertension. these parameters may be useful for the provision of a more adequate management of ssc patients. results in the ssc patients, the rv strain (- 19 ± 10 vs. - 25 ± 4 %; p = 0.004) and the systolic strain rate (- 1.3 ± 0.5 v...

Journal: :مجله علوم اعصاب شفای خاتم 0
hassan hosseini-ravandi shefa neuroscience research center, khatam alanbia hospital, tehran, iran. milad ahmadi a. shefa neuroscience research center, khatam alanbia hospital, tehran, iran. b. faculty of veterinary medicine, karaj branch, islamic azad university, karaj, iran.

brain areas implicated in the stress response include the amygdala, hippocampus and prefrontal cortex. neonatal stimulation of an animal by handling or by enhanced maternal care induces at adult age a decrease of the hypothalamo-pituitary adrenal (hpa) response to stressors, a decrease of anxiety in a novel environment, and neuroanatomical changes. in this present study we demonstrated that mat...

Journal: :medical journal of islamic republic of iran 0
f noohi from the cardiovascular research center, rajaie hospital, iran university of medical sciences,tehran, islamic republic of iran. a mohebbi aa petrossians d ekhterall a alghabi

a 47 year-old female died after mitral valve replacement. post-cardiopulmonary bypass right ventricle was not able to pump despite good left ventricular contractility. at microscopic examination, diffuse right ventricular fatty infiltration was found. we found no previous report of this pathology in patients with mitral stenosis

Mohammad Fathi Saeid Abroun

Background & Aims: The expression of myocardium gene can be affected by endurance activity; besides, sox6 transcription factor influences its formation. This study aimed to investigate the effect of 14 weeks of endurance activity on expression of sox6 gene of left ventricle in male Wistar rats. Methods: Forteen rats were housed under the controlled conditions and after adjusting with endurance ...

Asefeh Fekri, Fatemeh Safari, Gholamreza Bayat, Mahdi Foruzande moghadam, Seyyed Hosein Moshtaghioun, Shahnaz Shekarforoush, Sohrab Hajizadeh,

Introduction: Reactive oxygen species (ROS) have been suggested to play an important role in the myocardial damage induced by ischemia – reperfusion. One element believed to be activated by ROS and to contribute to the reduction of ROS production, is the uncoupling protein-2 (UCP2). The objective of this investigation was to explore the effect of myocardial ischemia reperfusion on cardiac UC...

Background: Epigenetic changes is one of the most important outcomes of Physical activity results, and Heterochromatin Protein 1β is one of main factors of this processes. The aim of this study was to investigate the effect of endurance training on left ventricle hp-1β gene expression in Wistar male rats. Methods: 20 rats (241±7.3 g) 8 weeks of age randomly assigned to contr...

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