In this preclinical model of supravalvular aortic stenosis and eccentric flow, we found that systolic flow displacement at earlier stages is positively correlated with the degree of aortic dilatation during follow-up as assessed by three-dimensional phase-contrast magnetic resonance imaging. If our findings are confirmed in further studies, this imaging parameter might be useful to identify those subjects with aortic valve disease who are at risk of developing aortic dilatation at a later stage.
We report our short-term and mid-term results with sutureless repair of postinfarction subacute left ventricular free wall rupture (LVFWR). For this purpose, we evaluated the short-term and mid-term postoperative results assessed by clinical examination and echocardiography of all patients who underwent surgery for subacute LVFWR between January 2004 and January 2009. Twenty-one patients were operated. Direct suture repair of LVFWR was carried out in only one patient. In all other cases we used a pericardial patch with biological glue. Early mortality was 19% (n=4). The median duration of follow-up was 17.3 months (interquartile range, 5-38.7), with a 13-month survival of 76%. Follow-up echocardiography showed no constriction associated with the rupture zone in any patient. According to our early experience, sutureless LVFWR repair is safe, effective and reproducible, and offers acceptable morbidity and mortality during follow-up.
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