scholarly journals Left ventricular function in mitral valve prolapse and severe mitral regurgitation

Author(s):  
E. G. Malev ◽  
G. I. Kim ◽  
L. B. Mitrofanova ◽  
M. Yu. Omelchenko ◽  
E. V. Zemtsovsky
1994 ◽  
Vol 2 (2) ◽  
pp. 90-94
Author(s):  
Masaharu Shigenobu ◽  
Shunji Sano

This study compares mitral valve repair and mitral valve replacement with chordal preservation for chronic mitral regurgitation due to myxomatous degeneration with special reference to left ventricular function. Twenty-six patients underwent complete preoperative and 2 years later postoperative echocardiography study. Thirteen patients underwent mitral valve replacement associated with preservation of chordae tendineae and papillary muscles, and 13 patients had mitral valve repair. There were no statistically significant differences between the 2 groups for clinical findings, hemodynamic profiles, or left ventricular function compared prior to surgery. After correcting mitral regurgitation, increase in cardiac index was significant for the repair group. Left ventricular end-diastolic volume decreased in both groups. Left ventricular end-systolic volume significantly decreased in the repair group, but remained unchanged in the replacement group. Both ejection fraction and mean left ventricular circumferential fiber shortening velocity (mVcf) decreased in the replacement group, but significantly increased in the repair group 2 years after surgery. These findings suggest valve replacement with chordal preservation shows less improvement in ventricular systolic function late after surgery compared with mitral valve repair.


1980 ◽  
Vol 1 (3) ◽  
pp. 223-229 ◽  
Author(s):  
Rene A. Arcilla ◽  
Earl Phillip Ow ◽  
Samuel Lacina ◽  
Wade Hamilton ◽  
Otto G. Thilenius

2000 ◽  
Vol 30 (6) ◽  
pp. 737
Author(s):  
Young Min Eun ◽  
Jae Young Choi ◽  
Jong Kyun Lee ◽  
Jun Hee Sul ◽  
Seung Kyu Lee ◽  
...  

Author(s):  
A. Marc Gillinov ◽  
Tomislav Mihaljevic

Mitral valve repair is the preferred surgical option for nearly all patients with mitral regurgitation (MR) as its durability is widely recognized to be excellent. Advantages of mitral valve repair over mitral valve replacement include better preservation of left ventricular function, greater freedom from endocarditis and anticoagulant-related hemorrhage, and, in some cases, improved survival. Mitral valve repair has particular advantages in younger patients, who require lifelong anticoagulation if they receive mechanical prostheses. Mitral valve repair can be achieved in more than 90% of patients who have MR caused by prolapse. The forthcoming account includes an overview of the various techniques used in current practice.


Cardiology ◽  
1987 ◽  
Vol 74 (3) ◽  
pp. 205-211
Author(s):  
Basil S. Lewis ◽  
Noga Lewis ◽  
Arie Shefer ◽  
Mervyn S. Gotsman

2013 ◽  
Vol 24 (4) ◽  
pp. 694-701 ◽  
Author(s):  
Eduard Malev ◽  
Svetlana Reeva ◽  
Lyubov Vasina ◽  
Eugeny Timofeev ◽  
Asiyet Pshepiy ◽  
...  

AbstractBackground: In some inherited connective tissue diseases with involvement of the cardiovascular system, for example, Marfan syndrome, early impairment of left ventricular function, which have been described as Marfan-related cardiomyopathy has been reported. Our aim was to evaluate the left ventricular function in young adults with mitral valve prolapse without significant mitral regurgitation using two-dimensional strain imaging and to determine the possible role of the transforming growth factor-β pathway in its deterioration. Methods: We studied 78 young adults with mitral valve prolapse without mitral regurgitation in comparison with 80 sex-matched and age-matched healthy individuals. Longitudinal strain and strain rates were defined using spackle tracking. Concentrations of transforming growth factor-β1 and β2 in serum were determined by enzyme-linked immunosorbent assays. Results: In 29 patients, classic relapse was identified with a leaflet thickness of ≥ 5 mm; 49 patients had a non-classic mitral valve prolapse. Despite the similar global systolic function, a significant reduction in global strain was found in the classic group (−15.5 ± 2.9%) compared with the non-classic group (−18.7 ± 3.8; p = 0.0002) and the control group (−19.6 ± 3.4%; p < 0.0001). In young adults with non-classic prolapse, a reduction in longitudinal deformation was detected only in septal segments. Transforming growth factor-β1 and β2 serum levels were elevated in patients with classic prolapse as compared with the control group and the non-classic mitral valve prolapse group. Conclusions: These changes in the deformations may be the first signs of deterioration of the left ventricular function and the existence of primary cardiomyopathy in young adults with mitral valve prolapse, which may be caused by increased transforming growth factor-β signalling.


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