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  • Title: [Long-term outcome of repeat percutaneous balloon mitral valvuloplasty in patients with mitral restenosis].
    Author: Zhang L.
    Journal: Zhonghua Xin Xue Guan Bing Za Zhi; 2009 Jan; 37(1):49-52. PubMed ID: 19671352.
    Abstract:
    OBJECTIVE: To observe the long-term outcome of repeat percutaneous balloon mitral valvuloplasty (PBMV) in patients with mitral restenosis. METHODS: Thirty-nine patients with mitral restenosis post fist PBMV received repeat PBMV with the improved Inoue method. Patients were followed up for 12 to 146 months. RESULTS: Repeat PBMV succeed in 36 out of 39 patients (92.3%). Immediately after repeat PBMV, clinical symptoms and left atrial mean pressure [LAP, (24.50+/-6.54) mm Hg (1 mm Hg=0.133 kPa) vs. (9.66+/-4.21) mm Hg], pulmonary artery systolic pressure [PASP, (58.12+/-12.68) mm Hg vs. (31.45+/-10.02) mm Hg], mitral valve gradient [MVG, (17.03+/-4.52) mm Hg vs. (7.79+/-4.07) mm Hg] and area of mitral valve orifice [MVA, (1.05+/-0.19) cm2 vs. (2.23+/-0.22) cm2] improved significantly compared to pre-PBMV (all P<0.05). Left atrial end-diastolic dimension (LAD) remained unchanged post operation [(4.71+/-0.75) cm vs. (4.07+/-0.69) cm, P>0.05]. Thirty six out of 39 cases could be followed up for a period between 12-146 months (69+/-23) months. Follow-up, data showed that MVA [(2.02+/-0.21) cm2 vs. (2.23+/-0.22) cm2] and MVG [(9.15+/-4.11) mm Hg vs. (7.79+/-4.07) mm Hg] were similar as those directly post operation (all P>0.05). Cardiac function and quality of life were also significantly improved in most patients during follow up. CONCLUSION: Repeat PBMV is safe and effective for most patients with mitral restenosis.
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