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Intraoperative transesophageal echocardiographic assessment of left ventricular Tei index in congenital heart disease


1 Department of Pediatrics, University of Minnesota, Minneapolis, Minnesota, USA
2 Department of Biostatistics, University of Minnesota, Minneapolis, Minnesota, USA
3 Department of Surgery, University of Minnesota, Minneapolis, Minnesota, USA

Correspondence Address:
: Dr. Shanthi Sivanandam
University of Minnesota, 2450 Riverside Ave., MN 55454
USA
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Source of Support: Andrew Wey was supported by grant UL1TR000114 of the National Center for Advancing Translational Sciences, Conflict of Interest: None


DOI: 10.4103/0971-9784.154474

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Year : 2015  |  Volume : 18  |  Issue : 2  |  Page : 198-201

 

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Background: Use of the Tei index has not been described to assess myocardial function before or after surgery in pediatric patients. This study was designed to evaluate the left ventricular (LV) function using the Tei index pre- and post-cardiopulmonary bypass in patients with lesion that result in a volume loaded right ventricle (RV). Methods: Retrospective data on 55 patients who underwent repair of a cardiac defect were analyzed. Patients with volume overload RV (n = 15) were compared to patients without volume overload but with other cardiac defects (n = 40). We reviewed pre- and post-operative LV myocardial performance index (Tei index). Tei index was obtained from transesophageal Doppler echocardiogram. Results: Patients with right heart volume overload, the mean preoperative Tei index was 0.6, with a postoperative mean decrease of 0.207 (P = 0.014). Patients without right heart volume overload, the mean preoperative Tei was 0.48 with no significant postoperative change (P = 0.82). Conclusion: Pre- and post-operative transesophageal echocardiogram assessment provides an easy and quick way of evaluating LV function intra-operatively using LV Tei index. Preoperative LV Tei index was greater in the RV volume overload defects indicating diminished LV global function. This normalized in the immediate postoperative period, implying an immediate improvement in LV function. In patients without right heart volume load, consist of other cardiac defects, demonstrated no changes in the pre- and post-operative LV Tei. This implies that LV function was similar after the surgery.






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1 Department of Pediatrics, University of Minnesota, Minneapolis, Minnesota, USA
2 Department of Biostatistics, University of Minnesota, Minneapolis, Minnesota, USA
3 Department of Surgery, University of Minnesota, Minneapolis, Minnesota, USA

Correspondence Address:
: Dr. Shanthi Sivanandam
University of Minnesota, 2450 Riverside Ave., MN 55454
USA
Login to access the Email id

Source of Support: Andrew Wey was supported by grant UL1TR000114 of the National Center for Advancing Translational Sciences, Conflict of Interest: None


DOI: 10.4103/0971-9784.154474

Rights and Permissions

Background: Use of the Tei index has not been described to assess myocardial function before or after surgery in pediatric patients. This study was designed to evaluate the left ventricular (LV) function using the Tei index pre- and post-cardiopulmonary bypass in patients with lesion that result in a volume loaded right ventricle (RV). Methods: Retrospective data on 55 patients who underwent repair of a cardiac defect were analyzed. Patients with volume overload RV (n = 15) were compared to patients without volume overload but with other cardiac defects (n = 40). We reviewed pre- and post-operative LV myocardial performance index (Tei index). Tei index was obtained from transesophageal Doppler echocardiogram. Results: Patients with right heart volume overload, the mean preoperative Tei index was 0.6, with a postoperative mean decrease of 0.207 (P = 0.014). Patients without right heart volume overload, the mean preoperative Tei was 0.48 with no significant postoperative change (P = 0.82). Conclusion: Pre- and post-operative transesophageal echocardiogram assessment provides an easy and quick way of evaluating LV function intra-operatively using LV Tei index. Preoperative LV Tei index was greater in the RV volume overload defects indicating diminished LV global function. This normalized in the immediate postoperative period, implying an immediate improvement in LV function. In patients without right heart volume load, consist of other cardiac defects, demonstrated no changes in the pre- and post-operative LV Tei. This implies that LV function was similar after the surgery.






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