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Interact Cardiovasc Thorac Surg. 2013 Jun;16(6):731-7. doi: 10.1093/icvts/ivt026. Epub 2013 Feb 26.

Single-centre experience with mitral valve repair in asymptomatic patients with severe mitral valve regurgitation.

Author information

  • 1Department of Cardiothoracic Surgery, Erasmus University Medical Centre, Rotterdam, Netherlands. w.vanleeuwen.1@erasmusmc.nl

Abstract

OBJECTIVES:

Guidelines recommend surgical mitral valve repair in selected patients with asymptomatic severe mitral valve regurgitation (MR), but the role of repair remains a matter of debate. Survival analyses of operated asymptomatic patients have been reported, but long-term haemodynamics and quality of life are not well defined. The aim of this study was to report the long-term follow-up focusing on these aspects.

METHODS:

Our database identified patients who underwent primary isolated mitral valve repair for severe MR and were asymptomatic by New York Heart Association Class I and in sinus rhythm. To obtain sufficient length of follow-up, only patients operated on before 2006 returned for an echocardiogram and quality-of-life assessment (SF-36).

RESULTS:

Between May 1991 and December 2005, 46 asymptomatic patients with severe MR and a normal left ventricular function (ejection fraction >60%) were operated on. Mean age was 50.2 ± 13.2 years and 89% of patients were male. There were no operative deaths. Mean follow-up was 8.4 ± 3.9 years with 386 patient-years, survival was 93.3% at 12 years and comparable with the general age-matched Dutch population. Follow-up echocardiography showed that 92% had no to mild MR, and 3 patients had moderate MR. Left ventricular function was good/impaired/moderate in 66/29/5% of patients. Quality-of-life SF-36 assessment showed that mean physical and mental health components were 83 ± 17 and 79 ± 17, which was comparable with that of the general age- and gender-matched Dutch population.

CONCLUSIONS:

Our experience shows that mitral valve repair for severe MR in asymptomatic patients is safe, and has satisfactory long-term survival with a low recurrence rate of MR, good left ventricular function, and excellent quality of life that is comparable with the general Dutch population.

KEYWORDS:

Asymptomatic; Haemodynamics; Mitral valve regurgitation; Mitral valve repair; Quality of life; Surgery; Survival

PMID:
23442941
[PubMed - indexed for MEDLINE]
PMCID:
PMC3653457
Free PMC Article
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