Follow-up for a mean of more than 14 months, showed that long-term outcome was dependent on MR seerity. Moreoer, this was the sole independent predictor of poor long term prognosis.

• 在进行超过14个月的随访发现：二尖瓣返流的严重性决定了远期的结果。而且，这还是一个远期预后不好的独立指标。