Long-Term Results (≤ 18 Years) of the Edge-to-Edge Mitral Valve Repair Without Annuloplasty in Degenerative Mitral Regurgitation Implications for the Percutaneous Approach
Background-To assess the long-term results of the edge-to-edge mitral repair performed without annuloplasty in degenerative mitral regurgitation (MR). Methods and Results-From 1993 to 2002, 61 patients with degenerative MR were treated with an isolated edge-to-edge suture without any annuloplasty. Annuloplasty was omitted in 36 patients because of heavy annular calcification and in 25 for limited annular dilatation. A double-orifice repair was performed in 53 patients and a commissural edge-to-edge in 8. Hospital mortality was 1.6%. Follow-up was 100% complete (mean length, 9.2+/-4.21 years; median, 9.7; longest, 18.1). Survival at 12 years was 51.3+/-7.75%. At the last echocardiographic examination, MR >= 3+ was demonstrated in 33 patients (55%). At 12 years, freedom from reoperation was 57.8+/-7.21% and freedom from recurrence of MR >= 3+ was 43+/-7.6%. Residual MR > 1+ at hospital discharge was identified as a risk factor for recurrence of MR >= 3+ (hazard ratio, 3.8; 95% confidence interval, 1.7-8.2; P=0.001). In patients with residual MR <= 1+ immediately after surgery, freedom from MR >= 3+ at 5 and 10 years was 80+/-6% and 64+/-7.58%, respectively. Conclusions-In degenerative MR, the overall long-term results of the surgical edge-to-edge technique without annuloplasty are not satisfactory. Early optimal competence (residual MR <= 1+) was associated with higher freedom from recurrent severe regurgitation.
机构:
Toronto Gen Hosp, Div Cardiovasc Surg, Peter Munk Cardiac Ctr, Toronto, ON, Canada
Univ Toronto, Toronto, ON, CanadaToronto Gen Hosp, Div Cardiovasc Surg, Peter Munk Cardiac Ctr, Toronto, ON, Canada
David, Tirone E.
;
Armstrong, Susan
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Toronto Gen Hosp, Div Cardiovasc Surg, Peter Munk Cardiac Ctr, Toronto, ON, Canada
Univ Toronto, Toronto, ON, CanadaToronto Gen Hosp, Div Cardiovasc Surg, Peter Munk Cardiac Ctr, Toronto, ON, Canada
Armstrong, Susan
;
McCrindle, Brian W.
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机构:
Toronto Gen Hosp, Div Cardiovasc Surg, Peter Munk Cardiac Ctr, Toronto, ON, Canada
Univ Toronto, Toronto, ON, CanadaToronto Gen Hosp, Div Cardiovasc Surg, Peter Munk Cardiac Ctr, Toronto, ON, Canada
McCrindle, Brian W.
;
Manlhiot, Cedric
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机构:
Toronto Gen Hosp, Div Cardiovasc Surg, Peter Munk Cardiac Ctr, Toronto, ON, Canada
Univ Toronto, Toronto, ON, CanadaToronto Gen Hosp, Div Cardiovasc Surg, Peter Munk Cardiac Ctr, Toronto, ON, Canada
机构:
Toronto Gen Hosp, Div Cardiovasc Surg, Peter Munk Cardiac Ctr, Toronto, ON, Canada
Univ Toronto, Toronto, ON, CanadaToronto Gen Hosp, Div Cardiovasc Surg, Peter Munk Cardiac Ctr, Toronto, ON, Canada
David, Tirone E.
;
Armstrong, Susan
论文数: 0引用数: 0
h-index: 0
机构:
Toronto Gen Hosp, Div Cardiovasc Surg, Peter Munk Cardiac Ctr, Toronto, ON, Canada
Univ Toronto, Toronto, ON, CanadaToronto Gen Hosp, Div Cardiovasc Surg, Peter Munk Cardiac Ctr, Toronto, ON, Canada
Armstrong, Susan
;
McCrindle, Brian W.
论文数: 0引用数: 0
h-index: 0
机构:
Toronto Gen Hosp, Div Cardiovasc Surg, Peter Munk Cardiac Ctr, Toronto, ON, Canada
Univ Toronto, Toronto, ON, CanadaToronto Gen Hosp, Div Cardiovasc Surg, Peter Munk Cardiac Ctr, Toronto, ON, Canada
McCrindle, Brian W.
;
Manlhiot, Cedric
论文数: 0引用数: 0
h-index: 0
机构:
Toronto Gen Hosp, Div Cardiovasc Surg, Peter Munk Cardiac Ctr, Toronto, ON, Canada
Univ Toronto, Toronto, ON, CanadaToronto Gen Hosp, Div Cardiovasc Surg, Peter Munk Cardiac Ctr, Toronto, ON, Canada