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Nutrients
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Nutritional Implications in Obesity and Bariatric Surgery
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Nutritional Implications in Obesity and Bariatric Surgery

A special issue of Nutrients (ISSN 2072-6643). This special issue belongs to the section "Nutrition and Obesity".

Deadline for manuscript submissions: closed (25 January 2025) | Viewed by 2581

Special Issue Editors

Prof. Dr. Adriana Florinela Càtoi

E-Mail Website
Guest Editor
Department of Pathophysiology, Faculty of Medicine, “Iuliu Hatieganu” University of Medicine and Pharmacy, 3-4 Victor Babes Street, 400012 Cluj-Napoca, Romania
Interests: obesity; type 2 diabetes; weight loss; bariatric surgery; nutrition; micronutrients
Dr. Daniela Mureșan Ciobârcă

E-Mail Website
Guest Editor Assistant
Department of Bromatology, Hygiene, Nutrition, Faculty of Pharmacy, “Iuliu Hatieganu” University of Medicine and Pharmacy, 23 Gheorghe Marinescu Street, 400337 Cluj-Napoca, Romania
Interests: nutrition; obesity; bariatric surgery; diabetes; micronutrients

Special Issue Information

Dear Colleagues,

We, Prof. Dr. Florinela Cătoi and Assist. Prof. Dr. Daniela Ciobârcă, are pleased to invite you to contribute to a Special Issue of the journal Nutrients, seeking to explore the nutritional management of obesity and bariatric surgery patients.

Bariatric surgery (BS) has emerged as a first-line weight loss therapy for severe obesity, leading to significant and sustainable weight reduction as well as reductions in comorbidities and mortality. However, the permanent alteration of the gastrointestinal physiology after BS, which results in substantial weight loss, is associated with micronutrient deficiencies (MNDs) in restrictive and malabsorptive procedures.

This Special Issue, titled ”Nutritional Implications in Obesity and Bariatric Surgery”, is open to submissions containing research in the form of original articles, review articles, meta-analyses, etc. Topics to be covered include, but are not limited to:

  • MNDs in obesity;
  • MNDs de novo development after BS;
  • Prophylactic post-operative supplementation;
  • Post-operative adherence to nutritional recommendations and micronutrient supplementation.

Prof. Dr. Adriana Florinela Càtoi
Guest Editors

Dr. Daniela Mureșan Ciobârcă
Guest Editor Assistant

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 100 words) can be sent to the Editorial Office for announcement on this website.

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. Nutrients is an international peer-reviewed open access semimonthly 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 2900 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

  • obesity
  • micronutrient deficiencies
  • bariatric surgery
  • prophylactic postoperative supplementation
  • micronutrient supplementation

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Published Papers (2 papers)

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Research

16 pages, 1461 KiB  
Article
Micronutrient Status in Patients with Severe Obesity Before and After Laparoscopic Sleeve Gastrectomy
by Daniela Ciobârcă, Adriana Florinela Cătoi, Cătălin Copăescu, Mihaela Iancu, Ioana Delia Pop, Dan Cristian Vodnar, Andra Diana Cecan, Doina Miere, Lorena Filip and Gianina Crișan
Nutrients 2024, 16(24), 4386; https://doi.org/10.3390/nu16244386 - 20 Dec 2024
Viewed by 1023
Abstract
Background: Micronutrient deficiencies (MNDs) are commonly reported after bariatric and metabolic surgery, including laparoscopic sleeve gastrectomy (LSG). Nevertheless, the micronutrient status changes over time and the influence of sex or initial body mass index (BMI) on these changes are less explored. This study [...] Read more.
Background: Micronutrient deficiencies (MNDs) are commonly reported after bariatric and metabolic surgery, including laparoscopic sleeve gastrectomy (LSG). Nevertheless, the micronutrient status changes over time and the influence of sex or initial body mass index (BMI) on these changes are less explored. This study aims to investigate the changes in micronutrient levels at 6 and 12 months after LSG and the potential influence of sex or baseline BMI (≥40 kg/m2) on these changes in patients submitted to LSG. Additionally, the frequency of MNDs before and at 12 months after the procedure was investigated. Materials and methods: Fifty patients with obesity underwent LSG and were assessed anthropometrically and nutritionally at baseline and at 6 and 12 months, respectively, after LSG. The changes in micronutrients levels over time were tested by a linear mixed model. Results: Vitamin B12 and vitamin D [25(OH)D] did not change significantly, while iron (p < 0.001), calcium (p = 0.01), and parathormone (p < 0.001) differed significantly from baseline to 12 months after LSG. Ferritin significantly decreased from baseline to 6 months and 12 months after LSG (LS-means, 95% CI: 202 [163, 240] vs. 160 [130, 191] vs. 150 [115, 185]). Sex or initial severe obesity (BMI ≥ 40 kg/m2) exhibited significant modifying effects for 25(OH)D and calcium, respectively. The 25(OH)D levels increased significantly in men, but not in women, while the calcium plasma concentration changed significantly only in patients with initial severe obesity. No significant changes over time were found for MNDs’ frequency (p > 0.05). The most consistent deficiency frequency was observed for 25(OH)D both before and after LSG. Conclusions: Overall, our findings revealed changes in micronutrient status across the follow-up period, except for vitamin B12. Variations in 25(OH)D levels were reported exclusively in men, suggesting that they depend on sex. The calcium plasma concentration showed significant changes exclusively in patients with BMI ≥ 40 kg/m2. MNDs’ frequency was not significantly altered during the study follow-up. Our results reinforce the need for developing national dietary guidelines tailored for Romanian patients following LSG. Full article
(This article belongs to the Special Issue Nutritional Implications in Obesity and Bariatric Surgery)
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14 pages, 867 KiB  
Article
What Is the Best Method for Diagnosing Osteosarcopenic Adiposity in Women After Long-Term Bariatric Surgery? A Comparison and Validation of Different Criteria
by Maísa Miranda Araújo, Ricardo Moreno Lima, Kênia Mara Baiocchi de Carvalho and Patrícia Borges Botelho
Nutrients 2024, 16(22), 3965; https://doi.org/10.3390/nu16223965 - 20 Nov 2024
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Abstract
Background/Objectives: To evaluate the agreement and discriminant validation of different osteosarcopenic adiposity (OSAd) diagnostic criteria in women post-Roux-en-Y gastric bypass (RYGB) surgery. Methods: Surgery. This is a cross-sectional study with women ≥2 years post-RYGB. OSAd was diagnosed using three criteria: Kelly for OSAd; [...] Read more.
Background/Objectives: To evaluate the agreement and discriminant validation of different osteosarcopenic adiposity (OSAd) diagnostic criteria in women post-Roux-en-Y gastric bypass (RYGB) surgery. Methods: Surgery. This is a cross-sectional study with women ≥2 years post-RYGB. OSAd was diagnosed using three criteria: Kelly for OSAd; ESPEN/EASO and SDOC for SO, associated with WHO osteopenia, respectively. Agreement was assessed with Cohen’s Kappa, and the predictive discriminatory capability was evaluated by sensitivity, specificity, and accuracy, using impairment of physical function and the increased risk of fracture as reference standards.; Results: A total of 178 women were evaluated, with a mean age of 45.2 ± 9.6 years old and postoperative time of 6.6 ± 3.6 years. The prevalence of OSAd was 2.2% [Kelly]; 2.8% [ESPEN/EASO + WHO]; 6.2% [SDOC + WHO]. Moderate agreement was found between Kelly and ESPEN/EASO (k = 0.658, p < 0.001), but agreement with SDOC was null (k = 0.104, p = 0.114). All criteria demonstrated high specificity (94.0–98.2%) and low sensitivity (0.0–16.7%), with Kelly showing the highest accuracy (92.7%); Conclusions: Among the evaluated criteria, Kelly presented the highest accuracy and 2.2% of OSAd prevalence. Despite consistently high specificity, all criteria exhibited low sensitivity. These findings highlight the need for more sensitive diagnostic approaches for OSAd in postoperative RYGB populations. Full article
(This article belongs to the Special Issue Nutritional Implications in Obesity and Bariatric Surgery)
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