نتایج جستجو برای: aorta
تعداد نتایج: 53912 فیلتر نتایج به سال:
we report the case of a three-year-old girl who complained from dysphagia and post-prandial vomiting since she was 6months old. several diagnostic work-ups were performed for her problem. upper gi endoscopy was normal but barium swallow revealed an external pressure effect over upper part of the esophagus (figure 1) and the ct angiography of thoracic aorta showed that this external pressure eff...
The side effects of toxic trace elements such as lead in the exposed subjects have been investigated in past years. Lead disturbs microvascular system, and changes the plasma level of lipids and lipoproteins. In this research the role of lead in plasma lipids and endothelial permeability of aorta were studied. Two groups of white male rabbits were under investigation for forty days. Group I ...
introduction although a few patients will survive after penetrating cardiac injuries, some of them may have unnoticeable intracardiac injuries. the combination of aorto-right ventricular fistula with aortic valve injury is rare. case presentation a 19 year-old man referred with an aorto-right ventricular fistula accompanied with aortic regurgitation and delayed tamponade following a stab in the...
background & aim: takayasu’s arteritis is a rare, chronic vasculitis, affecting women of reproductive age. with disease progression, evidence of vascular involvement and insufficiency becomes clinically apparent due to the narrowing or occlusion of the proximal or distal branches of the aorta. therefore, pregnancy-related complications, such as superimposed preeclampsia, renal failure, and cong...
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t rue saccular aneurysm is exceptional in coarctation of aorta in children. a 6-year-old girl with headache and systemic arterial hypertension referred to our center for cardiovascular evaluation. physical examination revealed high blood pressure and weak lower extremity pulses. two-dimensional and doppler echocardiography and angiography demonstrated a saccular aneurysm of the descending aorta...
The whole plant of Biophytum petersianum was extracted with a mixture of water – alcohol (1:1) to evaluate its relaxant effect on aorta rings. In isolated Wistar rat tissue, the hydro-ethanolic extract (0.1; 0.25 and 0.5 mg/ml) non-competitively antagonized calcium chloride and high-K + - induced aorta contractions in a concentration-dependent manner. Moreover, the inhibition of noradr...
a 46 year old man had been undergone aortic valve replacement (avr) due to mechanical aortic valve endocarditis two month ago. he was referred to imam khomeini hospital because of dyspnea since two weeks ago. echocardiography showed the false aneurysm, with an area of flow beyond the lumen of the aorta. this patient underwent reoperation, the previously implanted aortic valve was removed, metic...
We shared our experience of surgical treatment a giant aneurysm the ascending aorta (11 cm) in female patient with bicuspid valve, arterial hypertension and severe obesity. performed aortic valve replacement supracoronary prosthetic aorta. She showed improvement clinical status, echocardiography, was discharged followed up for 5 months after operation. Control computed tomography angiography de...
The aortic root has unique embryological development and is a highly sophisticated complex structure. In studies that report on the biomechanical characteristics of thoracic aorta, distinction between ascending aorta regions non-existent. This study aimed to determine maximal pressures at which dissection or tissue failure occur in both aneurysmal analyse any differences. may help guide preoper...
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