نتایج جستجو برای: coronary sinus lead

تعداد نتایج: 563682  

Journal: :Folia morphologica 2000
B Duda M Grzybiak

Described by many authors, valves refer to the coronary sinus. The best known among them are Thebesius and Vieussen valves. Information about valves in the lumen of the coronary sinus, though, is rarely found in anatomic literature. Frequency of occurrence of valves in the lumen of the coronary sinus and the degree of their formation was chartered in this paper. 150 adult human hearts of both s...

2014
Tahereh Davarpasand Ali Hosseinsabet Kumars Abassi Sorya Arzhan

Ruptured valsalva sinus aneurysm to pericardium is a rare condition. Here, we described a case presented with tamponade. Initially, hemopericardium was partially drained and then, imaging evaluations were done. Transesophageal echocardiography showed limited dissection of aortic sinus and CT angiography of the ascending aorta showed deformed dilated right coronary sinus. Besides, surgery showed...

Journal: :European journal of cardio-thoracic surgery : official journal of the European Association for Cardio-thoracic Surgery 2010
Rafet Gunay Yavuz Sensoz Ilyas Kayacioglu

Fig. 1. (A) CT scan image. CT scan shows giant non-coronary sinus of Valsalva aneurysm with neighbouring structures. Arrows indicate closed aortic valves. Ao: aorta, NC-SVA: non-coronary sinus of Valsalva aneurysm, LV: left ventricle, PA: pulmonary artery. (B) TEE image. Trans-oesophageal echocardiography shows aortic cusps level image of sinus of Valsalva aneurysm. *Arrows show aortic cusps, *...

2005
ALAN H. KADISH

KADISH, A.H., ET AL.: An Experimental Study of Transvenous Defibrillation Using a Coronary Sinus Catheter. The efficacy of a transvenous defibrillating system, utilizing bipolar right ventricular and coronary sinus catheters was evaluated in 14 normal mongrel'dogs. Tivo groups of seven animals each were studied^ During all shocks, the right ventricular apex electrode sensed as the anode. In bot...

2015
Ata H. Afshar Sergei Kolesnikov Leili Pourafkari Nader D. Nader

A separation between the aortic media and annulus fibrosus causes a rare cardiac abnormality called sinus of Valsalva aneurysm (SVA) that may be congenital or acquired. It is more prevalent in the right coronary sinus (65%-85%) but it has been seen rarely in non-coronary (10%-30%) or Left coronary sinus (<5%). The most common complication is rupture of the Aneurysm. We present an 80-year-old ma...

Journal: :Kardiologia polska 2009
Andrzej Kutarski Barbara Małecka Piotr Ruciński Andrzej Zabek

BACKGROUND The expanding number of patients treated with pacing, especially resynchronisation therapy and pacing system upgrades as well as leads remaining inactive, and prolonged life expectancy are the causes of an increase of the number of electrodes in pacemaker patients. The growing problem with endocardial lead infections and excess leads has made percutaneous lead removal technology wide...

Journal: :Circulation 1978
D G Mathey K Chatterjee J V Tyberg J Lekven B Brundage W W Parmley

In seven patients thermodilution coronary sinus flow (TD-CSF) was higher (164 +/- 21 ml/min) during ventricular pacing than during atrial pacing (119 +/- 21 ml/min, P less than 0.005) at identical heart rate, without an increase in the determinants of myocardial oxygen consumption. To assess the possibility of right atrial admixture in coronary sinus blood during ventricular pacing we compared ...

Journal: :Cor et vasa 2022

Kontext: ZahĂĄjenĂ­ srdečnĂ­ resynchronizačnĂ­ terapie (cardiac resynchronization therapy, CRT) představuje jeden z nejnĂĄročnějĹĄĂ­ch vĂ˝konĹŻ v invazivnĂ­ kardiologii. RozdĂ­lnĂĄ anatomie koronĂĄrnĂ­ho sinu a sloĹžitost vĂ˝konu mĹŻĹže vĂŠst k neĂşspěšnĂŠ implantaci elektrody, případně si vyŞådat chirurgickou elektrody do sinu. Metody: NaĹĄe studie byla retrospektivnĂ­, observačnĂ...

2005
DONALD R. RICCI ARTHUR E. ORLICK PAUL W. DOHERTY PAUL R. CIPRIANO DONALD C. HARRISON

A 50-year-old man suffering from recurrent chest pain accompanied by transient ST-segment elevation developed spasm of the left anterior descending coronary artery after receiving ergonovine maleate. During spontaneous chest pain, thermodilution coronary sinus blood flow fell from 96 ml/min to 46 ml/min, while the coronary sinus arteriovenous oxygen difference widened from 9.82 volumes percent ...

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