نتایج جستجو برای: assist devices mitral valve

تعداد نتایج: 370865  

2017
Tatsuyuki Imada Sho Carl Shibata Kenta Okitsu Yuji Fujino

Acute bioprosthetic valve thrombosis can occur after surgery and sometimes cause hemodynamic instability and cardiogenic shock. Risk factors for bioprosthetic valve thrombosis are hypercoagulability, atrial fibrillation, atrial dilatation, low cardiac function, and lack of anticoagulation therapy. The authors present a case of severe mitral stenosis due to bioprosthetic valve thrombus. The pati...

Journal: :Interactive cardiovascular and thoracic surgery 2012
Craig R Smith Sotiris C Stamou William M Merhi Robert L Hooker

Paravalvular leak following a mitral valve replacement is a complication seen in approximately 1 of 10 replacements. The corrective method has traditionally been reoperation. Septal occluder devices are more commonly being utilized as an alternative percutaneous correction method. We report the use of septal occluder devices in the repair of mitral paravalvular leak in two patients at severely ...

Journal: :the journal of tehran university heart center 0
mohammad sahebjam tehran heart center, tehran university of medical sciences, tehran, iran. abbas salehiomran tehran heart center, tehran university of medical sciences, tehran, iran. neda ghaffari-marandi tehran heart center, tehran university of medical sciences, tehran, iran. azam safir tehran heart center, tehran university of medical sciences, tehran, iran.

one of the most serious complications of mitral valve replacement is left ventricular rupture and pseudoaneurysm formation, which is rare but potentially lethal. we herein present a late type of post mitral valve replacement and coronary artery bypass surgery pseudoaneurysm in a 74-year-old female, who was admitted to our hospital with a recent history of exertional dyspnea. she had the above-m...

Journal: :caspian journal of internal medicine 0
shervin ziabakhsh associate prof. of cardiac surgery, cardiac surgery department, fatemeh zahra hospital of sari, mazandaran university of medical sciences, sari, iran. rozita jalalian cardiovascular department, fatemeh zahra hospital of sari, mazandaran university of medical sciences, sari, iran. farzad mokhtari-esbuie general physician, fatemeh zahra hospital of sari, mazandaran university of medical sciences, sari, iran.

background: primary intra cardiac tumors are rare. in this article, we present papillary fibroelastoma of mitral valve chordae. case presentation: a 35-year old man presented with atypical chest pain and palpitation. physical examination and electrocardiogram were normal. transesophageal echocardiography (tee) revealed a mass of 1015 mm attached to chordae of anteromedial papillary muscle of m...

Journal: :Circulation 2012
Melissa M Levack Arminder S Jassar Eric K Shang Mathieu Vergnat Y Joseph Woo Michael A Acker Benjamin M Jackson Joseph H Gorman Robert C Gorman

BACKGROUND Proponents of flexible annuloplasty rings have hypothesized that such devices maintain annular dynamics. This hypothesis is based on the supposition that annular motion is relatively normal in patients undergoing mitral valve repair. We hypothesized that mitral annular dynamics are impaired in ischemic mitral regurgitation and myxomatous mitral regurgitation. METHODS AND RESULTS A ...

2012
Melissa M. Levack Arminder S. Jassar Eric K. Shang Benjamin M. Jackson Joseph H. Gorman

Background—Proponents of flexible annuloplasty rings have hypothesized that such devices maintain annular dynamics. This hypothesis is based on the supposition that annular motion is relatively normal in patients undergoing mitral valve repair. We hypothesized that mitral annular dynamics are impaired in ischemic mitral regurgitation and myxomatous mitral regurgitation. Methods and Results—A Ph...

Journal: :the journal of tehran university heart center 0
feridoun sabzi imam ali hospital, kermanshah university of medical sciences, kermanshah, iran.

giant left atria are defined as those measuring larger than 8 cm and are typically found in patients who have rheumatic mitral valve disease with severe regurgitation. enlargement of the left atrium may create compression of the surrounding structures such as the esophagus, pulmonary veins, respiratory tract, lung, inferior vena cava, recurrent laryngeal nerve, and thoracic vertebrae and lead t...

Journal: :Circulation. Heart failure 2012
Amit Pawale Gilbert H L Tang Federico Milla Sean Pinney David H Adams Anelechi C Anyanwu

C ardiac transplantation remains the most effective therapy for end-stage heart failure in appropriate candidates, with a median posttransplant survival of 10 years. At any given point of time there are ≈3000 candidates on the heart transplant waiting list in the United States with annual mortality on the waiting list ≈15%. The number of heart transplants performed in the United States per year...

اکبری, زهرا, باقری, اکرم, رستمیان, عبدالرحمن, شاعری, حمیدرضا, قارونی, منوچهر, مرادمند, سینا, میرخانی, سیده‌ضحی,

Background: Mitral valve prolapse is a relatively common valvular abnormality in most communities and joint hypermobility (JHM) is also seen in many healthy people as well as in certain clinical disorders, such as Marfan syndrome. The present study was designed to investigate the association between joint hypermobility and mitral valve prolapse (MVP) in an Iranian population sample. Methods: F...

Journal: :the journal of tehran university heart center 0
hakimeh sadeghian tehran heart center, medical sciences / university of tehran, iran. abbasali karimi tehran heart center, medical sciences / university of tehran, iran. mehran mahmoodian tehran heart center, medical sciences / university of tehran, iran. hossein ahmadi tehran heart center, medical sciences / university of tehran, iran. seyed hesameddin abbasi tehran heart center, medical sciences / university of tehran, iran.

background: this study was undertaken to compare the outcome in patients with moderate to severe ischemic mitral regurgitation (imr) undergoing coronary artery bypass grafting (cabg) with either mitral valve repair or mitral valve replacement. methods: between march 2002 and february 2005, 49 consecutive patients (mean age: 62.84±8.42 years; mean euroscore: 10.03±3.12) with coronary artery dise...

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