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Medicina
Special Issues
Bariatric Surgery and Postoperative Management
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Bariatric Surgery and Postoperative Management

A special issue of Medicina (ISSN 1648-9144). This special issue belongs to the section "Surgery".

Deadline for manuscript submissions: closed (1 May 2026) | Viewed by 1267

Special Issue Editor

Dr. Adam Abu Abeid

E-Mail Website
Guest Editor
Division of General Surgery, Tel Aviv Sourasky Medical Center, Affiliated to Sackler Faculty of Medicine, Tel Aviv University, 6, Weizman St., Tel Aviv 6423906, Israel
Interests: bariatric surgery; obesity

Special Issue Information

Dear Colleagues,

Severe obesity is a growing global health challenge, strongly associated with type 2 diabetes, cardiovascular disease, cancer, and reduced quality of life. Bariatric and metabolic surgery has emerged as the most effective long-term treatment for severe obesity, providing durable weight loss, improvement in obesity-related diseases, and significant survival benefits. However, satisfactory outcomes of these procedures depend not only on the surgical technique but also on careful perioperative care, structured postoperative follow-up, and multidisciplinary management.

This Special Issue of Medicina will focus on current advances, challenges, and future directions in bariatric surgery and postoperative management. Topics of interest include technical innovations in primary and revisional procedures, strategies for enhanced recovery, perioperative optimization, and long-term follow-up models. Special emphasis will be placed on nutritional outcomes, management of complications, weight regain, quality of life, and the role of bariatric surgery in specific populations (e.g., adolescents, elderly, or patients with extreme BMI).

We welcome original research, systematic reviews, meta-analyses, and high-quality case series that contribute to the evidence base and clinical practice of bariatric surgery. Our aim is to provide clinicians, researchers, and allied health professionals with practical and up-to-date insights to optimize patient care after metabolic and bariatric surgery.

Dr. Adam Abu Abeid
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Medicina is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2200 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • bariatric surgery
  • metabolic surgery
  • obesity treatment
  • postoperative management
  • revisional surgery
  • nutritional outcomes
  • complications
  • weight regain
  • comorbidity resolution
  • long-term follow-up

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

12 pages, 485 KB  
Article
Predictors of Postoperative Complications in Metabolic and Bariatric Surgery: A Retrospective Analysis Using Multivariable Logistic Regression
by Gon Shoham, Shira Naveh, Tariq Zoabi, Noa Gosher, Nir Messer, Jonathan B. Yuval, Mati Shnell and Adam Abu-Abeid
Medicina 2026, 62(5), 881; https://doi.org/10.3390/medicina62050881 - 4 May 2026
Viewed by 364
Abstract
Background and Objectives: Metabolic and bariatric surgery is the most effective long-term intervention for severe obesity, associated with significant reductions in weight, associated medical problems, and cancer risk. While the overall safety profile of metabolic and bariatric surgery has improved, early postoperative [...] Read more.
Background and Objectives: Metabolic and bariatric surgery is the most effective long-term intervention for severe obesity, associated with significant reductions in weight, associated medical problems, and cancer risk. While the overall safety profile of metabolic and bariatric surgery has improved, early postoperative complications still occur and may lead to prolonged hospitalization, reintervention, or increased morbidity. This study aimed to identify independent preoperative and perioperative predictors of early postoperative complications following metabolic and bariatric surgery. Materials and Methods: We conducted a retrospective cohort study of 927 patients who underwent metabolic and bariatric surgery at a single tertiary medical center between December 2017 and March 2022. Early postoperative complications, defined as those occurring during the index hospitalization or within 90 days, were recorded and graded using the Clavien-Dindo classification. Univariate analyses were performed to identify candidate predictors, followed by multivariable logistic regression using an unpenalized model. Odds ratios (ORs) and corresponding 95% confidence intervals (CIs) were estimated using maximum likelihood methods with Wald-based intervals. Results: Eighty-four patients (9.1%) experienced postoperative complications, with 38% requiring invasive intervention. Bleeding was the most common complication (46%), followed by leak/intra-abdominal abscess (24%) and cardiorespiratory events (18%). Independent predictors of complications included obstructive sleep apnea (OR: 1.93), bariatric surgery within the past 5 years (OR: 2.39). Conclusions: OSA and recent previous surgery increase the risk of early complications after metabolic and bariatric surgery. These findings support integrating specific risk factors into preoperative planning to improve surgical outcomes. Full article
(This article belongs to the Special Issue Bariatric Surgery and Postoperative Management)
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10 pages, 457 KB  
Article
Impact of Laparoscopic Sleeve Gastrectomy on Menstrual Regularity and Spontaneous Pregnancy in Morbidly Obese Women: A Retrospective Cohort Study
by Zekai Serhan Derici, Tufan Egeli, Cihan Agalar, Suleyman Özkan Aksoy and Koray Atila
Medicina 2026, 62(1), 191; https://doi.org/10.3390/medicina62010191 - 16 Jan 2026
Viewed by 571
Abstract
Background and Objectives: Obesity is a major contributor to female reproductive dysfunction, frequently resulting in menstrual irregularity, anovulation, and subfertility. Bariatric surgery improves metabolic health; however, its effect on reproductive outcomes—particularly the shift from assisted to spontaneous conception—remains incompletely defined. This study [...] Read more.
Background and Objectives: Obesity is a major contributor to female reproductive dysfunction, frequently resulting in menstrual irregularity, anovulation, and subfertility. Bariatric surgery improves metabolic health; however, its effect on reproductive outcomes—particularly the shift from assisted to spontaneous conception—remains incompletely defined. This study aimed to evaluate the impact of laparoscopic sleeve gastrectomy (LSG) on menstrual cycle regularity and spontaneous pregnancy rates in women of reproductive age. Materials and Methods: This retrospective observational study included 52 women aged 18–40 years who underwent LSG between January 2013 and October 2017. Self-reported menstrual history, as documented during routine preoperative assessment in the electronic medical records, and reproductive outcomes (including spontaneous and assisted conception) were compared between the preoperative and postoperative periods. The median follow-up duration was 38 months. Results: A significant improvement in menstrual regularity was observed (46.2% to 94.2%, p < 0.001). Among women attempting conception, 10/15 (66.7%) achieved spontaneous pregnancy; one conceived via ART. Notably, 57.1% of all pregnancies occurred within the first 12 months post-surgery, including three unintended conceptions. Additionally, among women who conceived spontaneously, four had a history of requiring assisted reproductive technologies (ART), including two who had previously failed to conceive despite ART treatment. Conclusions: LSG is associated with significant normalization of menstrual cycles and a qualitative shift toward spontaneous conception in morbidly obese women. The rapid return of fertility, which may exceed patient awareness, underscores the importance of comprehensive perioperative counseling regarding effective contraception to prevent unintended pregnancies during the active weight-loss phase. Full article
(This article belongs to the Special Issue Bariatric Surgery and Postoperative Management)
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