نتایج جستجو برای: mitral valve regurgitation
تعداد نتایج: 120154 فیلتر نتایج به سال:
OBJECTIVES This study examines the outcome of mitral valve repair with chordal replacement using expanded polytetrafluoroethylene over the past 25 years. METHODS From July 1988 to February 2013, 224 consecutive patients (mean age 57 years, 34% women) underwent mitral valve repair with chordal replacement using expanded polytetrafluoroethylene sutures at our institution. Isolated anterior leaf...
Two Doppler methods, the pressure half-time method proposed by Hatle and the method based on the equation of continuity, were used to estimate stenotic mitral valve area noninvasively, and the accuracy of these methods was examined in patients with and without associated aortic regurgitation. Mitral valve area determined at catheterization by the Gorlin formula was used as a standard of referen...
We report the case of a patient with mitral regurgitation complicated by type B dissection and Marfan syndrome (MFS) who was managed successfully with minimally invasive mitral valve repair. Without type A aortic dissection or aortic root dilation, MFS patients may develop mitral valve regurgitation, as in this case, and need valve surgery to improve their symptoms and long-term survival. Howev...
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...
OBJECTIVES Whether to repair or replace the mitral valve for patients with significant mitral regurgitation undergoing aortic valve replacement is still controversial. METHODS From January 1990 to December 2011, a total of 663 patients underwent aortic valve replacement combined with mitral valve surgery. Among these, 253 patients (mean age 55.9 ± 14.5 years, 91 females) with moderate-to-seve...
A 48 year old man was transferred to our department with cardiogenic shock, pyrexia, a high white cell count and significant serum troponin T level. Clinical evaluation revealed severe mitral regurgitation secondary to a flail of both mitral valve leaflets. An emergency cardiac catheterisation did not reveal any significant coronary artery disease. Left ventricular angiogram and echocardiograph...
OBJECTIVE To determine the prevalence and characteristics of left sided valvar regurgitation in normal children and adolescents. DESIGN Prospective observational study. SETTING Tertiary paediatric referral centre. PATIENTS 329 volunteers (194 male, 135 female, age range 3-18 years). MAIN OUTCOME MEASURES Detection of regurgitation with colour flow mapping after valve closure. Measuremen...
The edge-to-edge technique was introduced into the surgical armamentarium of mitral valve repair in the early 1990s. From the beginning, it appeared to be an attractive approach because of its simplicity, reproducibility and effectiveness even in complex settings. Several institutions around the world adopted this surgical method in selected patients with mitral regurgitation due to different c...
A case of mild to moderate aortic regurgitation with presystolic closure of mitral valve and presystolic mitral regurgitation is reported. This echocardiographic finding is a reliable marker of significantly increased LV end-diastolic pressure.
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