GastrointestinaI & Bariatric Surgery

A special issue of Gastrointestinal Disorders (ISSN 2624-5647).

Deadline for manuscript submissions: 25 August 2025 | Viewed by 547

Special Issue Editors


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Guest Editor
1. Department of Surgery, Nacogdoches Medical Center, Nacogdoches, TX, USA
2. Tilman J. Fertitta Family College of Medicine, University of Houston, Houston, TX, USA
3. College of Osteopathic Medicine, Sam Houston State University, Conroe, TX, USA
Interests: robotic surgery; artificial intelligence; metabolic surgery; bariatric surgery; minimally invasive surgery; surgical education; antireflux surgery; abdominal wall reconstruction, oncology

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Guest Editor
Department of General Surgery, Mahatma Gandhi Medical College and Research Institute, Pondicherry, Cuddalore Rd, ECR, Pillayarkuppam, Puducherry 607402, India
Interests: robotic surgery; surgical oncology; bariatric surgery; HPB surgery; surgical gastroenterology

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Guest Editor
1. Department of Medicine, Academy of Applied Medical and Social Sciences, 2 Lotnicza Street, 82-300 Elblag, Poland
2. Department of General Surgery and Surgical Oncology, Saint Wojciech Hospital, Nicolaus Copernicus Health Center, 50 Jana Pawła II Street, 80-462 Gdansk, Poland
Interests: gastric cancer; robotic surgery; Surgical oncology; colorectal surgery; gastrointestinal surgery; minimally invasive surgery; histopathological aspects; signet ring cells; lymphadenectomy; molecular classifications; peritoneal spreading; neoadjuvant chemotherapy; esophageal cancer; achalasia; gastro-esophageal reflux disease; immunonutrition in cancer patients; textbook outcomes and volumes in surgery
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Special Issue Information

Dear Colleagues,

The current era of robotic surgery and artificial intelligence (AI) applications aimed at enhancing patient care and surgeon performance has arrived and is advancing at a fast pace. Upon us is the responsibility to embrace these changes and adopt state-of-the-art technological advances that keep moving our specialties forward. An example of a surgical super speciality in which the use of AI and robotics has revolutionized the manner in which complex procedures are performed is metabolic and bariatric surgery (MBS). It has established itself as one of the most sophisticated, validated, and scientifically proven fields of surgery. The purpose of this Special Issue of Gastrointestinal Disorders, from MDPI, entitled “Gastrointestinal and Bariatric Surgery”, is to provide evidence-based updates to the worldwide surgical community on current techniques, innovative procedures, and promising trends around the globe that encompass the most important operations performed nowadays to save lives with MBS. Such procedures include but are not limited to robotic single anastomosis duodenoileostomy with sleeve gastrectomy (SADI-S), one-anastomosis gastric bypass (OAGB), single anastomosis sleeve ileal (SADI) bypass, intestinal transit bipartition (TB), the well-established sleeve gastrectomy (SG) and Roux-en-Y gastric bypass, in addition to revisional MBS. Finally, this Special Issue will include the most novel procedures that are leaving a mark on the surgical community within the realm of endobariatrics, particularly endoscopic sleeve gastroplasty (ESG). This Special Issue will encompass the latest evidence-supported techniques, procedures, and advances that are relevant to metabolic and bariatric surgeons of the 21st century.

Prof. Dr. Rodolfo Oviedo
Dr. Aman Goyal
Prof. Dr. Luigi Marano
Guest Editors

Manuscript Submission Information

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Keywords

  • metabolism
  • bariatric surgery
  • gastrointestinal surgery
  • robotic surgery
  • artificial intelligence
  • endobariatrics
  • revisional metabolic and bariatric surgery

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Published Papers (1 paper)

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Review

12 pages, 2798 KiB  
Review
Single Anastomosis Duodenoileostomy with Sleeve Gastrectomy Versus Sleeve Gastrectomy Alone: A Systematic Review and Meta-Analysis on Behalf of TROGSS—The Robotic Global Surgical Society
by Yeisson Rivero-Moreno, Alba Zevallos, Samantha Redden-Chirinos, Víctor Bolivar-Marín, Dayanna Silva-Martinez, Aman Goyal, Arturo Estrada, Rebeca Domínguez-Profeta, Diego Camacho, Sjaak Pouwels, Wah Yang, Luigi Marano, Adel Abou-Mrad and Rodolfo J. Oviedo
Gastrointest. Disord. 2025, 7(2), 27; https://doi.org/10.3390/gidisord7020027 - 26 Mar 2025
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Abstract
Background: Single-Anastomosis Duodenoileostomy with Sleeve Gastrectomy (SADI-S) has been reported as both a safe and effective surgical procedure. However, these findings have not been directly compared to those of more established and less complex procedures, such as Sleeve Gastrectomy (SG), which remains the [...] Read more.
Background: Single-Anastomosis Duodenoileostomy with Sleeve Gastrectomy (SADI-S) has been reported as both a safe and effective surgical procedure. However, these findings have not been directly compared to those of more established and less complex procedures, such as Sleeve Gastrectomy (SG), which remains the most commonly performed technique in Metabolic and Bariatric Surgery (MBS). Objective: This study aimed to assess and contrast the intraoperative and postoperative outcomes between patients who underwent SADI-S and those who underwent SG. Methods: A systematic review and meta-analysis were performed and registered under PROSPERO with the ID CRD42024532504. A comprehensive search strategy was executed on 15 April 2024, covering PubMed, Embase, Cochrane Library, Scopus, Web of Science, and Science Direct from the first reports to March 2024. The search strategy incorporated relevant keywords, including: “SADI-S” OR “Single Anastomosis Duodenal-Ileal bypass” and “Sleeve Gastrectomy”. We included studies comparing adult patients (≥18 years old) undergoing SADI-S and SG, reporting at least one clinical outcome of interest. Results: Five studies published between 2019 and 2023, comprising 3593 patients, were included. Of these, 461 patients (12.8%) underwent SADI-S, while 3132 (87.2%) underwent SG. The mean patient age was 42.96 years, with 89.6% female participants. Patients undergoing SADI-S had a significantly higher Body Mass Index (BMI) than those undergoing SG (Mean: 49.73 ± 8.10 vs. 45.64 ± 7.84; Mean Difference [MD]: 3.83, 95% CI: 0.52–7.14; p = 0.02) and an increased risk of hypertension (OR: 1.38, 95% CI: 1.04–1.84; p = 0.03). SADI-S also resulted in longer operative times (125.63 ± 51.91 min vs. 49.67 ± 26.07 min; MD: 65.97 min, 95% CI: 61.71–70.25; p < 0.001) and length of hospital stay (2.30 ± 2.76 days vs. 1.21 ± 0.81 days; MD: 1.03 days, 95% CI: 0.70–1.37; p < 0.001). Moreover, patients who underwent SADI-S demonstrated a significantly higher risk of postoperative complications, such as readmissions and reinterventions (OR: 3.17, 95% CI: 2.15–4.67; p < 0.001), and experienced greater excess weight loss (MD: 12.42%, 95% CI: 0.92–23.92; p = 0.03). No significant differences were observed between the groups regarding age, sex, or the prevalence of obstructive sleep apnea (OSA). Conclusions: SADI-S appears to be a promising surgical technique for facilitating substantial weight loss in individuals with severe obesity. Given the higher risk of postoperative complications associated with SADI-S, careful evaluation and personalized decision-making for patient selection and education are essential to optimize clinical and safety outcomes. Full article
(This article belongs to the Special Issue GastrointestinaI & Bariatric Surgery)
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