ArticleSurgical endoscopy2022
Patient-specific stomach biomechanics before and after laparoscopic sleeve gastrectomy.
Article in Surgical endoscopy, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers, 3 of them syntheses that pooled it.
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Who cites it
10 citing papers in PubMed, 3 syntheses or guidelines pooled it, 19 citations in OpenAlex.
- How is 3D modeling in metabolic surgery utilized and what is its clinical benefit: a systematic review and meta-analysis.International journal of surgery (London, England) · 2025Pooled it
- Ex vivo, in vivo and in silico studies of corneal biomechanics: a systematic review.Physical and engineering sciences in medicine · 2024Pooled it
- Mechanical experimentation of the gastrointestinal tract: a systematic review.Biomechanics and modeling in mechanobiology · 2024Pooled it
- Gastric volume reduction estimation following Endoscopic Sleeve Gastroplasty through Image-based Analysis.Surgical endoscopy · 2026Article
- Gastric Volumetric Filling Capacity Before and After Sleeve Gastrectomy: a Magnetic Resonance Imaging and Biomechanical Study.Obesity surgery · 2026Article
- Dynamic magnetic resonance imaging evaluation of stomach geometry modifications after endoscopic sleeve gastroplasty.Surgical endoscopy · 2026Article
- Orthotropic reconstruction and characterization of bone tissues through a visco-plasto-damage model.PloS one · 2025Article
- How does sutures pattern influence stomach motility after endoscopic sleeve gastroplasty? A computational study.Updates in surgery · 2024Article
- Engineering with Biomedical Sciences Changing the Horizon of Healthcare-A Review.Bioengineered · 2024Review
- Biomechanics of Hollow Organs: Experimental Testing and Computational Modeling.Bioengineering (Basel, Switzerland) · 2023Article
Corrections and comments
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Authors and funding
7 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundObesity has become a global epidemic. Bariatric surgery is considered the most effective therapeutic weapon in terms of weight loss and improvement of quality of life and comorbidities. Laparoscopic sleeve gastrectomy (LSG) is one of the most performed procedures worldwide, although patients carry a nonnegligible risk of developing post-operative GERD and BE.
objectivesThe aim of this work is the development of computational patient-specific models to analyze the changes induced by bariatric surgery, i.e., the volumetric gastric reduction, the mechanical response of the stomach during an inflation process, and the related elongation strain (ES) distribution at different intragastric pressures.
methodsPatient-specific pre- and post-surgical models were extracted from Magnetic Resonance Imaging (MRI) scans of patients with morbid obesity submitted to LSG. Twenty-three patients were analyzed, resulting in forty-six 3D-geometries and related computational analyses.
resultsA significant difference between the mechanical behavior of pre- and post-surgical stomach subjected to the same internal gastric pressure was observed, that can be correlated to a change in the global stomach stiffness and a minor gastric wall tension, resulting in unusual activations of mechanoreceptors following food intake and satiety variation after LSG.
conclusionsComputational patient-specific models may contribute to improve the current knowledge about anatomical and physiological changes induced by LSG, aiming at reducing post-operative complications and improving quality of life in the long run.
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