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Pre-operative Tei Index does not predict left ventricular function immediately after mitral valve repair


1 Department of Anaesthesiology and Intensive Care Medicine II, Heartcentre, University Leipzig, Strümpelstraße 39, 04289 Leipzig, Germany
2 Institute for Medical Informatics, Statistics and Epidemiology, University of Leipzig, Germany
3 Hospital for Anaesthesiology and Intensive Care, University Leipzig, Germany

Correspondence Address:
Joerg Ender
Department of Anaesthesiology and Intensive Care Medicine II, Heartcentre, University Leipzig, Struempellstr. 39, 04289 Leipzig
Germany
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0971-9784.95073

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Year : 2012  |  Volume : 15  |  Issue : 2  |  Page : 111-117

 

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Echocardiographic assessment of systolic left ventricular (LV) function in patients with severe mitral regurgitation (MR) undergoing mitral valve (MV) repair can be challenging because the measurement of ejection fraction (EF) or fractional area change (FAC) in pathological states is of questionable value. The aim of our study was to evaluate the usefulness of the pre-operative Tei Index in predicting left ventricular EF or FAC immediately after MV repair. One hundred and thirty patients undergoing MV repair with sinus rhythm pre- and post-operatively were enrolled in this prospective study. Twenty-six patients were excluded due to absence of sinus rhythm post-operatively. Standard transesophageal examination(IE 33,Philips,Netherlands) was performed before and after cardiopulmonary bypass according to the guidelines of the ASE/SCA. FAC was determined in the transgastric midpapillary short-axis view. LV EF was measured in the midesophageal four- and two-chamber view. For calculation of the Tei Index, the deep transgastric and the midesophageal four-chamber view were used. Statistical analysis was performed with SPSS 17.0. values are expressed as mean with standard deviation. LV FAC and EF decreased significantly after MV repair (FAC: 56±12% vs. 50±14%, P<0.001; EF: 58±11 vs. 50±12Έ P<0.001). The Tei Index decreased from 0.66±0.23 before MV repair to 0.41±0.19 afterwards (P<0.001). No relationship between pre-operative Tei Index and post-operative FAC or post-operative EF were found (FAC: r=−0.061, P=0.554; EF: r=−0.29, P=0.771). Conclusion: Pre-operative Tei Index is not a good predictor for post-operative FAC and EF in patients undergoing MV repair.






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1 Department of Anaesthesiology and Intensive Care Medicine II, Heartcentre, University Leipzig, Strümpelstraße 39, 04289 Leipzig, Germany
2 Institute for Medical Informatics, Statistics and Epidemiology, University of Leipzig, Germany
3 Hospital for Anaesthesiology and Intensive Care, University Leipzig, Germany

Correspondence Address:
Joerg Ender
Department of Anaesthesiology and Intensive Care Medicine II, Heartcentre, University Leipzig, Struempellstr. 39, 04289 Leipzig
Germany
Login to access the Email id

Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0971-9784.95073

Rights and Permissions

Echocardiographic assessment of systolic left ventricular (LV) function in patients with severe mitral regurgitation (MR) undergoing mitral valve (MV) repair can be challenging because the measurement of ejection fraction (EF) or fractional area change (FAC) in pathological states is of questionable value. The aim of our study was to evaluate the usefulness of the pre-operative Tei Index in predicting left ventricular EF or FAC immediately after MV repair. One hundred and thirty patients undergoing MV repair with sinus rhythm pre- and post-operatively were enrolled in this prospective study. Twenty-six patients were excluded due to absence of sinus rhythm post-operatively. Standard transesophageal examination(IE 33,Philips,Netherlands) was performed before and after cardiopulmonary bypass according to the guidelines of the ASE/SCA. FAC was determined in the transgastric midpapillary short-axis view. LV EF was measured in the midesophageal four- and two-chamber view. For calculation of the Tei Index, the deep transgastric and the midesophageal four-chamber view were used. Statistical analysis was performed with SPSS 17.0. values are expressed as mean with standard deviation. LV FAC and EF decreased significantly after MV repair (FAC: 56±12% vs. 50±14%, P<0.001; EF: 58±11 vs. 50±12Έ P<0.001). The Tei Index decreased from 0.66±0.23 before MV repair to 0.41±0.19 afterwards (P<0.001). No relationship between pre-operative Tei Index and post-operative FAC or post-operative EF were found (FAC: r=−0.061, P=0.554; EF: r=−0.29, P=0.771). Conclusion: Pre-operative Tei Index is not a good predictor for post-operative FAC and EF in patients undergoing MV repair.






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