نتایج جستجو برای: main pulmonary artery

تعداد نتایج: 988163  

2005
GEORGE C. GRIFFITH

Cardiac catheterization and angiocardiography studies are reported in two patients with syphilitic aortic aneurysms, both of which compromised the pulmonary circulation. In the first instance the right main pulmonary artery was compressed and pulmonary hypertension proximal to the compression resulted. In the second patient the aneurysm ruptured into the pulmonary artery producing an aortic-pul...

Journal: :Journal of community hospital internal medicine perspectives 2015
Nargiz Muganlinskaya Amanda Guzman Chanukya Dahagam Stephen R Selinger

Arterial leiomyosarcomas account for up to 21% of vascular leiomyosarcomas, with 56% of arterial leiomyosarcomas occurring in the pulmonary artery. While isolated cases of primary pulmonary artery leiomyosarcoma document survival up to 36 months after treatment, these uncommon, aggressive tumors are highly lethal, with 1-year survival estimated at 20% from the onset of symptoms. We discuss a ra...

Journal: :Chest 1991
J A Mallery J M Gardin S W King S Ey W L Henry

Chronic pulmonary hypertension in humans is characterized by shortening of the pulmonary artery acceleration time as measured by Doppler echocardiography, such that the higher the pulmonary artery pressure, the shorter the pulmonary acceleration time. Increases in heart rate are also known to produce decreases in the pulmonary artery acceleration time. To explore the relationship between mean p...

2005
GEORGE C. GRIFFITH

Cardiac catheterization and angiocardiography studies are reported in two patients with syphilitic aortic aneurysms, both of which compromised the pulmonary circulation. In the first instance the right main pulmonary artery was compressed and pulmonary hypertension proximal to the compression resulted. In the second patient the aneurysm ruptured into the pulmonary artery producing an aortic-pul...

Journal: :Circulation 1956
J J DONNELL D C LEVINSON G C GRIFFITH

Cardiac catheterization and angiocardiography studies are reported in two patients with syphilitic aortic aneurysms, both of which compromised the pulmonary circulation. In the first instance the right main pulmonary artery was compressed and pulmonary hypertension proximal to the compression resulted. In the second patient the aneurysm ruptured into the pulmonary artery producing an aortic-pul...

2017
Minhaj S. Khaja Richard L. Hallett

We report a case of a type A aortic dissection with extension into the main pulmonary artery through a sinus of Valsalva fistula. Echocardiography and computed tomographic angiography of the chest were performed and bicuspid aortic valve, hemopericardium, and dilatation of the aortic root were found. A Stanford type A dissection was seen, extending to the distal transverse thoracic aorta, and t...

Journal: : 2021

Coronary artery fistulas (CAF) are uncommon cases. They may cause myocardial ischemia, arrhythmia, pulmonary hypertension, and heart failure. Treatment options controversial not clear. In this article we report surgical management of a case with right coronary fistula concurrent disease. A sixty-years-old male patient stable angina symptoms admitted to our medical center. angiography examinatio...

2013
Deephak Swaminath Ragesh Panikkath Jason Strefling Alvaro Rosales Roshni Narayanan Jason Wischmeyer

Anomalous origin of left main coronary artery or right coronary artery from the aorta with subsequent coursing between the aorta and pulmonary trunk is rare and can be sometimes life threatening. After hypertrophic cardiomyopathy, coronary artery anomalies are the second most common cause of sudden cardiac deaths among young athletes. This is a case presentation of an anomalous origin of right ...

Journal: :Circulation 2013
Anushree Agarwal Steven Port Suhail Allaqaband A Jamil Tajik

A 46-year-old man with well-controlled hypertension presented with dyspnea, palpitations, and a murmur of aortic regurgitation. Echocardiography revealed a quadricuspid aortic valve (QAV) with 4 equal-sized cusps and enlarged left main coronary artery ostium (Figure 1A). On additional imaging, an unusual flow was seen entering the proximal main pulmonary artery from the lateral aspect just dist...

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