نتایج جستجو برای: coronary sinus

تعداد نتایج: 230821  

Journal: :the journal of tehran university heart center 0
saeed davoodi national iranian oil company central hospital, tehran, iran. yaddollah dadashi national iranian oil company central hospital, tehran, iran. manouchehr madani civi national iranian oil company central hospital, tehran, iran. seyed hesameddin abbasi national iranian oil company central hospital, tehran, iran. amir hossien sami national iranian oil company central hospital, tehran, iran. kyomars majdi national iranian oil company central hospital, tehran, iran.

in this paper, we describe a case of an aneurysmal circumflex artery connected to the coronary sinus through a fistula in a 40-year-old man with a two-year history of palpitation and chest pain. we discussed surgical management for patients with coronary artery fistula (caf), particularly for asymptomatic patients with a small left-to-right shunt .

Journal: :the journal of tehran university heart center 0
mohammad hasan namazi cardiovascular research center/shaheed beheshti university of medical sciences, tehran, iran. morteza safi cardiovascular research center/shaheed beheshti university of medical sciences, tehran, iran. hassan kamalzadeh cardiovascular research center/shaheed beheshti university of medical sciences, tehran, iran. reza karbasi cardiovascular research center/shaheed beheshti university of medical sciences, tehran, iran.

a 55-year-old man referred for cardiac resynchronization therapy (crt) due to severe heart failure. a severe stenosis in the coronary sinus vein after the posterior branch disallowed the insertion of the lead. nevertheless, the stenosis was dilated and the left ventricle (lv) lead was implanted in the lateral marginal branch.

Journal: :acta medica iranica 0
moghaddam m yamini sharif a

transcatheter ablation of atrioventricular accessory pathway is the therapy of choice in symptomatic patients. the ablation of posteroseptal accessory pathways thas some important points due to its anatomical location. catheter ablation of posteroseptal accessory pathways via left side approach is time consuming with low success rate and higher complications. we performed successful transcathet...

Journal: :iranian journal of radiology 0
xiao zhi zheng department of ultrasound, affiliated hospital of nantong university (the first people’s hospital of yancheng), yancheng, p.r china bin yang department of ultrasound, jinling hospital, nanjing university school of medicine, nanjing city, p.r china; department of ultrasound, jinling hospital, nanjing university school of medicine, nanjing city, p.r china. tel: +8625-80861314, fax: +8625-80863136 jing wu department of ultrasound, affiliated hospital of nantong university (the first people’s hospital of yancheng), yancheng, p.r china

conclusions the coronary sinus flow per minute is the most accurate parameter among the three echocardiographic parameters mentioned above for the assessment of significant stenosis of the coronary artery. results flow (ml/minute), flow/lvm (ml/minuteg) and lv (d-s) mass a-l all correlated significantly with the percentage of stenosis (r = -0.64, p < 0.001; r = -0.47, p < 0.001; r = -0.56, p < ...

Journal: :research in cardiovascular medicine 0
maryam esmaeilzadeh echocardiography research center, rajaie cardiovascular medical and research center, tehran university of medical sciences, tehran, ir iran; echocardiography research center, rajaie cardiovascular medical and research center, tehran university of medical sciences, tehran, ir iran. p.o. box: 1996911151. tel: +98- 2123921, fax: +98-2122055594 mohammadtaghi salehi-omran echocardiography research center, rajaie cardiovascular medical and research center, tehran university of medical sciences, tehran, ir iran saeid hosseini heart valve disease research center, rajaie cardiovascular medical and research center, tehran university of medical sciences, tehran, ir iran mohammadali sadr-ameli cardiac electrophysiology research center, rajaie cardiovascular medical and research center, tehran university of medical sciences, tehran, ir iran

we present a very rare case of partially unroofed coronary sinus without persistent left superior vena cava in a 74 years old female with a history of hypertension, severe myxomatous bileaflet mitral valve prolapse with severe eccentric mitral regurgitation which was diagnosed during cardiac surgery.

Journal: :the journal of tehran university heart center 0
maryam nabati department of cardiology, faculty of medicine, mazandaran university of medical sciences, sari, iran. babak bagheri department of cardiology, faculty of medicine, mazandaran university of medical sciences, sari, iran. samira eslami student research committee, faculty of medicine, mazandaran university of medical sciences, sari, iran. razhan piran student research committee, faculty of medicine, mazandaran university of medical sciences, sari, iran.

dissection of the sinus of valsalva is a rare and life-threatening event. it often occurs during percutaneous coronary intervention in the right coronary artery (rca). dissection flap usually involves the rca and the right sinus of valsalva. here we report two extremely rare cases of spontaneous dissection limited to the non-coronary sinus of valsalva, causing severe aortic valve regurgitation:...

Journal: :European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery 2008
Yukihiro Kaneko Jotaro Kobayashi Yusuke Yamamoto Keiji Tsuchiya

An 8-month-old male with coronary sinus orifice atresia, left superior vena cava, and single ventricle underwent light-guided coronary sinus unroofing concomitant with bidirectional cavopulmonary anastomosis to circumvent coronary sinus hypertension. During surgery, a 2.25 Fr angioscopic catheter was inserted into the coronary sinus via the left superior vena cava. The coronary sinus, lit by th...

اردوان, کاملیا , اصفهانی, زهرا , اکبری, نگین , بابائی, احمد , جلالیان, رزیتا , جواهری, رضا , نباتی, مریم ,

Sinus of valsalva aneurysm, is a rare congenital defect and the diagnosis is usually made after it ruptures. The anomaly often involves the right coronary sinus and is less frequent in the noncoronary sinus. The rupture of the left sinus of valsalva into the pulmonary artery is extremely rare. So far, few cases with ruptured left sinus of valsalva have been reported. We are reporting a ruptur...

Journal: :Circulation research 1989
R Beyar A D Guerci H R Halperin J E Tsitlik M L Weisfeldt

Coronary sinus occlusion retards necrosis of ischemic myocardium. To test the hypothesis that coronary sinus occlusion induces retrograde venoarterial flow, the coronary arteriovenous pressure gradient and the coronary arterial oxygen saturation were measured distal to a left anterior descending coronary artery ligature in dogs. In parallel, we constructed a mathematical model of known coronary...

Journal: :Circulation research 1962
R R LAFONTANT H FEINBERG L N KATZ

• Coronary flow measurements in the intact animal and in man have been based principally on the amount of the coronary sinus drainage. Two assumptions are involved in the use of the coronary sinus drainage as an index of total and of left ventricular coronary flow: (1) The coronary sinus flow is a fixed percentage of total coronary flow, and (2) it represents all or a constant portion of the ve...

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