Mitral valve repair: Isolated posterior compared to anterior or bileaflet Pathology

Dan Spiegelstein, Leonid Sternik, Boris Orlov, Amihai Shinfeld, Micha S. Feinberg, Ateret Malachy, Ehud Raanani

Research output: Contribution to journalArticlepeer-review

Abstract

Objectives: The results of mitral valve (MV) repair for anterior leaflet pathology (ALP) are considered less favorable than those for posterior leaflet pathology (PLP). We compared clinical and echocardiography outcomes of PLP repair with ALP and/or bileaflet pathology (BLP) repair. Methods: Between 2004 and 2011, 407 patients underwent MV repair due to degenerative MV: 276 patients (68%) had PLP and 131 (32%) had ALP/BLP. Mean age was 59 ± 12 and 56 ± 15 years in PLP and ALP/BLP groups, respectively (p = 0.03). Patient characteristics and co-morbidities were similar between groups. Valve repair techniques included leaflet resection (61% and 24%), annuloplasty (99% and 97%), and artificial chordea (46% and 67%), in the PLP and ALP/BLP groups, respectively. Results: There was one (0.4%) in-hospital death in the PLP group, and none in the ALP/BLP group. Early complication rate was similar between groups. Completed clinical and late echocardiography follow-up was 95% (29 ± 22 months, 1 to 87). Freedom from reoperation was 98% (270/276) and 98% (129/131), and there were three (1%) and three (2%) late deaths, in the PLP and ALP/BLP groups, respectively (NS). Late echocardiography revealed that 89% and 94% of patients (PLP and ALP/BLP groups, respectively) were free from moderate or severe mitral regurgitation (MR) (p = 0.13). All other late valve-related complications were similar between groups. Conclusions: Anterior and bileaflet MV disease can be repaired with early and mid-term results similar to those of posterior MV disease. All patients with severe MR due to anterior or posterior pathology should be considered equally for early valve repair.

Original languageEnglish
Pages (from-to)89-96
Number of pages8
JournalJournal of Cardiac Surgery
Volume28
Issue number2
DOIs
StatePublished - Mar 2013

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