Why the study?
Does minimally invasive surgery with right anterolateral thoracotomy improve postoperative right ventricular systolic function in patients with severe mitral regurgitation due to mitral valve prolapse?
Does minimally invasive surgery with right anterolateral thoracotomy improve postoperative right ventricular systolic function in patients with severe mitral regurgitation due to mitral valve prolapse?
Minimally invasive mitral valve repair with right anterolateral thoracotomy is associated with a smaller postoperative reduction in right ventricular function (TAPSE) compared to traditional sternotomy.
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Traditional MVR linked to greater TAPSE decline than minimally invasive; leaves open pericardial opening's role in postoperative RV changes.
Echocardiographic reduction of RV function, measured using TAPSE, is a well described phenomenon after cardiac surgery. The aim of the present study was to investigate the relation between the modality of pericardial opening (lateral versus anterior) and the postoperative right ventricular systolic function by comparing echocardiographic parameters in patients undergoing minimally invasive or traditional mitral valve repair. 34 patients with severe mitral regurgitation due to mitral valve prolapse underwent traditional (sternotomy) operation (Group A) or minimally invasive surgery with right anterolateral thoracotomy (Group B). A postoperative TAPSE fall was found in both groups. Group A experienced a significant postoperative TAPSE fall versus Group B with p < 0.0001 .
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Zanobini et al. (2017) studied this question.
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