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Erschienen in:
23.03.2021 | Original Contributions
Evaluation of Myocardial Function Following SADI-S
Erschienen in: Obesity Surgery | Ausgabe 7/2021
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Purpose
The aim of this study was to compare myocardial mechanics using global longitudinal strain (GLS) before and after single anastomosis duodeno-ileal bypass with sleeve gastrectomy (SADI-S).
Materials and Methods
A total of 21 obese patients undergoing SADI-S were prospectively included. Transthoracic echocardiography was performed before and after the procedure, and left ventricle (LV) and right ventricle (RV) strain was assessed by two-dimensional speckle-tracking imaging (2DST).
Results
Mean time between pre-procedural and post-procedural echocardiograms was 9.2 ± 3.3 months. Postoperatively, %total weight loss (%TWL) was 33.0 ± 1.7 and % excess weight loss (%EWL) was 75.5 ± 3.6. Body mass index (BMI) significantly decreased after surgery (45.6 ± 1.2 vs 29.6 ± 1.0; p < 0.001). Postoperatively, LV GLS experienced a significant improvement (−19.8% ± 0.5 vs −22.2% ± 0.4; p < 0.001). Regarding other relevant functional parameters, RV free-wall strain was equally recovered (−19.1% ± 0.7 vs −21.0% ± 0.8; p 0.047).
Conclusions
This study demonstrates important and favourable changes in cardiac deformation parameters after performing SADI-S. Malabsorptive bariatric techniques such as SADI-S induce significant weight loss, leading to an improvement in subclinical myocardial function in patients with obesity.