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Functional Mitral Stenosis After Mitral Valve Repair for Type II Dysfunction: Determinants and Impacts on Long-Term Outcome

Wednesday, August 15, 2018

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Source Name: European Journal of Cardio-Thoracic Surgery


Naonori Kawamoto, Tomoyuki Fujita, Satsuki Fukushima, Yusuke Shimahara, Yuta Kume, Yorihiko Matsumoto, Kizuku Yamashita, Koko Asakura, Junjiro Kobayashi

The authors reviewed their experience with 602 patients who underwent mitral repair for type II mitral regurgitation. Mitral stenosis was defined as a mean transmitral pressure gradient (MTPG) of > 5 mm Hg, and 51 patients (8.5%) had mitral stenosis by this criterion. The authors found  on postoperative echocardiography that annuloplasty with a smaller-sized ring was associated with a higher MTPG, PA pressures, residual TR gradient, and incidence of new-onset atrial fibrillation.

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