Utility of left ventricular systolic torsion derived from 2-dimensional speckle-tracking echocardiography in monitoring acute cellular rejection in heart transplant recipients
作者： Takahiro Sato , Tomoko S. Kato , Kazuo Kamamura , Shuji Hashimoto , Toshiaki Shishido
DOI: 10.1016/J.HEALUN.2010.10.014
关键词:
摘要: Background Reduced left ventricular torsion (LV-tor) has been reported to be associated with acute rejection in heart transplant (HTx) recipients. We investigated the utility of LV-tor analysis derived from 2-dimensional speckle-tracking echocardiography (2D-STE) for detecting allograft rejection. Methods A total 301 endomyocardial biopsies (EMBs), right catheterizations and echocardiograms were performed 32 HTx Echocardiography was done within 3 hours EMB or simultaneously procedures. The defined as difference between apical basal end-systolic rotations. values without cellular compared. In addition, we whether change predicts grade each patient. baseline value patient a mean first measurements obtained when free Results According conventional International Society Heart Lung Transplantation criteria, 274 showed Grade 0, 1a 1b (Group AR − ), whereas 27 2 higher + ). decreased more Group than (9.3 ± 0.7 vs 12.2 0.2 degrees, p Conclusion 2D-STE could clinical non-invasive monitoring
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