scholarly journals Left ventricular function after valve repair for chronic mitral regurgitation: Predictive value of preoperative assessment of contractile reserve by exercise echocardiography

1996 ◽  
Vol 28 (5) ◽  
pp. 1198-1205 ◽  
Author(s):  
Dominic Y. Leung ◽  
Brian P. Griffin ◽  
William J. Stewart ◽  
Delos M. Cosgrove ◽  
James D. Thomas ◽  
...  
Keyword(s):  
Mitral Regurgitation ◽  
Left Ventricular Function ◽  
Ventricular Function ◽  
Predictive Value ◽  
Preoperative Assessment ◽  
Left Ventricular ◽  
Contractile Reserve ◽  
Exercise Echocardiography ◽  
Valve Repair

Surgery for Degenerative Mitral Regurgitation Valve Repair v. Valve Replacement with Chordal Preservation

1994 ◽  
Vol 2 (2) ◽  
pp. 90-94
Author(s):  
Masaharu Shigenobu ◽  
Shunji Sano
Keyword(s):  
Mitral Valve ◽  
Mitral Regurgitation ◽  
Left Ventricular Function ◽  
Ventricular Function ◽  
Valve Replacement ◽  
Mitral Valve Replacement ◽  
Mitral Valve Repair ◽  
Left Ventricular ◽  
Valve Repair ◽  
Repair Group

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.

Mitral valve repair: Conventional open techniques

2018 ◽  
pp. 135-144
Author(s):  
A. Marc Gillinov ◽  
Tomislav Mihaljevic
Keyword(s):  
Mitral Valve ◽  
Mitral Regurgitation ◽  
Left Ventricular Function ◽  
Ventricular Function ◽  
Mitral Valve Repair ◽  
Left Ventricular ◽  
Valve Repair ◽  
Younger Patients ◽  
Mechanical Prostheses ◽  
Surgical Option

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.

Changes in Left Ventricular Function After Mitral Valve Repair for Severe Organic Mitral Regurgitation

2012 ◽  
Vol 93 (3) ◽  
pp. 754-760 ◽  
Author(s):  
Tomasz G. Witkowski ◽  
James D. Thomas ◽  
Victoria Delgado ◽  
Eva van Rijnsoever ◽  
Arnold C.T. Ng ◽  
...  
Keyword(s):  
Mitral Valve ◽  
Mitral Regurgitation ◽  
Left Ventricular Function ◽  
Ventricular Function ◽  
Mitral Valve Repair ◽  
Left Ventricular ◽  
Valve Repair

scholarly journals Transcatheter mitral valve repair in proportionate and disproportionate functional mitral regurgitation—insights from a small cohort study

2021 ◽  
Author(s):  
J. F. Ooms ◽  
M. L. Geleijnse ◽  
E. Spitzer ◽  
B. Ren ◽  
M. P. Van Wiechen ◽  
...  
Keyword(s):  
Cohort Study ◽  
Mitral Valve ◽  
Mitral Regurgitation ◽  
Left Ventricular Function ◽  
Ventricular Function ◽  
Mitral Valve Repair ◽  
Left Ventricular ◽  
Functional Mitral Regurgitation ◽  
Valve Repair ◽  
Data Set

Abstract Background Functional mitral regurgitation (FMR) can be subclassified based on its proportionality relative to left ventricular function and end-diastolic volume. FMR proportionality could help identify responders to transcatheter edge-to-edge mitral valve repair (MitraClip) in terms of residual FMR and/or clinical improvement. Methods This single-centre retrospective cohort study evaluated the feasibility of determining FMR proportionality in symptomatic heart failure patients with reduced left ventricular function who were treated with MitraClip for ≥ moderate-to-severe FMR. Baseline proportionate (pFMR) and disproportionate FMR (dFMR) were distinguished. Patient characteristics and MitraClip procedural outcomes were described. Results From an overall cohort of 81 eligible FMR patients, 23/81 (28%) had to be excluded due to missing transthoracic echocardiogram parameters, 22/81 were excluded based on FMR severity. The remaining cohort, of 36/81 patients (44%), could be classified into dFMR (n = 26) or pFMR (n = 10). Conduction disorders were numerically increased in dFMR. All cases requiring > 2 clips were in the dFMR group and absence of FMR reduction occurred more frequently with dFMR. Point of view/Conclusion Important limitations in terms of imaging acquisition affect the translation of the FMR proportionality concept to a real-world data set. We did observe different demographic and FMR response patterns in patients with proportionate and disproportionate FMR that warrant further investigation.

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