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. 2021 Jul;31(7):3109-3115.
doi: 10.1007/s11695-021-05349-2. Epub 2021 Mar 23.

Evaluation of Myocardial Function Following SADI-S

Adriana Ruano-Campos #  1 , Alejandro Cruz-Utrilla #  2 , Leyre López-Antoñanzas  3 , Maria Luaces  4 , Leopoldo Pérez de Isla  4 , Miguel Ángel Rubio Herrera  5 , Antonio Torres García  3 , Andrés Sánchez-Pernaute  3
Affiliations

Evaluation of Myocardial Function Following SADI-S

Adriana Ruano-Campos et al. Obes Surg. 2021 Jul.

Abstract

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.

Keywords: Global longitudinal strain; Myocardial strain; Obesity; Single anastomosis duodeno-ileal bypass; Speckle-tracking echocardiography.

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