CLINICAL TRIAL OF PERCUTANEOUS BALLOON MITRAL VOLVULOPLASTY IN PATIENTS WITH RESTENOSIS AFTER TREATING WITH MITRAL VALVE COMMISSUROTOMY

摘要

Sixteen cases patients with restenosis after treatment with mitralvalve commissurotomy(CMV)were treated by percutaneoas bal-loon mitral volvaloplasty(PBMV)in this study.The result shownthat the area of mitral valve(MVA)was significantly inceased(p0.001).The mean pressure of left atrium(LAMP)and thetransmitral valve pressure grade(MVPG)was decreased(p0.001).Of them,3 cases of patients complicated with atrialfibrillation,there were no any thrembus in left atrium which wasconfirmed by ultrasound,after taking warfarin 3mg/day for twomonths,were successfully performed PBMV,and achived a goodresult and less complication.Follow up(10.2±3.6months)datashown that the MVA was still significantly larger than pre-opera-tion(p0.001),LAMP、MVPG was lower thsn pre-operation,thedifference after operation was not significant(p0.1).