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Long-term clinical and echocardiographic outcome of percutaneous mitral valvuloplasty

Randomized comparison of Inoue and double-balloon techniques

^a Division of Cardiology, Department of Internal Medicine, Asan Medical Center, University of Ulsan, Seoul, South Korea

View larger version (45K): [in a new window]   Figure 1 Both commissural splitting and commissural mitral regurgitation after successful PMV on parasternal short axis view (A and B) and apical two-chamber view (C). The arrows indicate split commissures (A) and origination of MR from both commissures (B and C). IVS, interventricular septum; LA, left atrium; LV, left ventricle; MV, mitral valve; MVO, mitral valve orifice; RV, right ventricle.

View larger version (16K): [in a new window]   Figure 2 Comparison of the event-free (A) and restenosis-free survival rate (B) after PMV between Inoue technique and double-balloon technique.

View larger version (19K): [in a new window]   Figure 3 Actuarial curves showing the event-free survival rate according to the immediate result after PMV. Successes and failures were classified according to the immediate results of PMV. "Success" was defined as post-PMV MVA 1.5 cm2 and MR 2, and "Failure" defined as post-PMV MVA <1.5 cm2 or MR 3.

View larger version (17K): [in a new window]   Figure 4 Comparison of the restenosis-free survival rate (A) and serial changes of MVA (B) after PMV between the patients with and without commissural MR (CMR); the patients with development of events during follow-up were excluded in the comparison of mitral valve area. Presence (+) vs. absence (–) of CMR; *p < 0.05; p < 0.01; p < 0.001 by t test.