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[Correction of mitral insufficiency with posterior annuloplasty]
1Department of Cardiovascular Surgery, Peiple's Liberation Army General Hospital, Beijing 100853.
Objective:
To summarize the experience in treating mitral insufficiency (MI), due to secondary annular dilation in the posterior portion of the annulus with mitral valve reconstruction.
Method:
Over the past 10 years, we performed mitral valvuloplasty with posterior annuloplasty in 35 patients, of which 27 patients were associated with congenital abnormalities, 3 patients had mild MI, 24 had moderate MI, and 8 had severe MI. Entire posterior annular plication was performed in 7 patients and partial posterior annular plication in 28. Associated subvalvulopasty was performed in 7 patients and leaflets repair reconstruction in 14.
Result:
There was no postoperative mortality. Complete correction was achieved in 21 patients (60.0%) and partial correction in 11 (31.4%). Mild and moderate insufficiency was found in 3 patients (8.6%) postoperatively. NYHA function class I was gained in 34 patients. One patient developed pulmonary hypertension and died due to right heart failure five years after operation.
Conclusion:
The results indicate that posterior annuloplasty is a safe, effective technique.