نتایج جستجو برای: mitral valve

تعداد نتایج: 117034  

2005
HARVEY FEIGENBAUM

surgery and to enhance our understanding of the pathophysiology of mitral stenosis. Although surgery produced a significant increase in calculated mitral valve area, the degree of improvement varied markedly. The younger patients had the greater increase in mitral valve area. The change in cardiac index and pulmonary vascular resistance correlated well with the change in mitral valve area. Only...

2018
Yoshihisa Morimoto Takaki Sugimoto

The outcome in functional mitral regurgitation after aortic valve replacement is unclear. A frail 82-year-old woman with severe aortic valve regurgitation and mild to moderate functional mitral valve regurgitation (NYHA functional class III) was referred to our clinic. In consideration of her frail condition, aortic valve replacement without mitral surgery was performed. She had hemodynamic ins...

2017
Johan van der Merwe Filip Casselman

The favorable outcomes achieved with modern mitral valve repair techniques redefined the role of mitral valve replacement. Various international databases report a significant decrease in replacement procedures performed compared with repairs, and contemporary guidelines limit the application of surgical mitral valve replacement to pathology in which durable repair is unlikely to be achieved. T...

2017
Go Kataoka Kiyoharu Nakano Ryota Asano Atsuhiko Sato Wataru Tatsuishi

Few reports have described long-term outcomes after translocated mitral valve replacement. We describe tips, potential pitfalls, and long-term outcome associated with the construction of a new mitral annulus and reinforcement of prosthesis attachment using a mitral prosthetic valve with an equine pericardial collar in a woman with extensive mitral valve calcification.

Journal: :Herz 1988
W Baedeker

In patients with mitral valve prolapse syndrome various disturbances of cardiac rhythm can be observed such as atrial arrhythmias, ventricular tachycardias and conduction disturbances. Of timely interest are the questions of which etiology is at the basis of the arrhythmias, what is their relevance with respect to sudden cardiac death, what are the indications for treatment and which therapeuti...

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: :British heart journal 1978
M F Shiu B S Jenkins M M Webb-Peploe

Echocardiographic analysis of the movement of the posterior mitral valve leaflet in 60 patients with lone mitral stenosis, 35 patients with aortic stenosis, and 18 patients with aortic and mitral stenosis showed a spectrum of initial posterior mitral valve leaflet movement in early diastole. The classical anterior movement was seen in 36 out of 60 patients with mitral stenosis (60%), and 8 out ...

2012
Shahram Homayounfar

Aims: The purpose of this study was to determine whether there is any association between the optimal increase in mitral valve area and mitral transvalvular gradient decrement and pulmonary arterial pressure decrement after balloon mitral valvuloplasty (BMV) in patients with mitral stenosis. Methods: The study population consisted of 49 patients (47 women, 2 men; mean age = 43.7±13.35 years) wi...

2013
Prashant Nanasaheb Mohite Bartlomiej Zych Aron Frederik Popov Nikhil Patil Suvitesh Luthra Mike Hedger Andre Ruediger Simon Mohammed Amrani

Diseased, replaced or repaired mitral valve can lead to restricted blood flow to left ventricle and inadequate flow in left ventricular assist device (LVAD). A middle age woman with 'burnt out' hypertrophic cardiomyopathy had mitral valve repair for mitral regurgitation. She needed LVAD to support severe decompensating heart failure. Repaired mitral valve posed a risk of restricted flow through...

Journal: :British heart journal 1987
L E Alday E Juaneda

A three year old girl with severe congenital mitral stenosis was successfully treated by percutaneous balloon dilatation of the mitral valve. Cardiac catheterisation and cross sectional and Doppler echocardiography indicated that the orifice of the mitral valve had doubled in area. A small atrial septal defect was found at follow up cardiac catheterisation and angiography. Balloon dilatation of...

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