Evidence map›Paper›PMID 39940424›Full record

ReviewNutrients2025

Preoperative Nutrition in Bariatric Surgery: A Narrative Review on Enhancing Surgical Success and Patient Outcomes.

Daniel Simancas-Racines, Evelyn Frias-Toral, Martín Campuzano-Donoso, Daniel Ramos-Sarmiento, Raynier Zambrano-Villacres, Claudia Reytor-González, Luigi Schiavo

Abstract readReview
In one paragraph

Review in Nutrients, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

18 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Daniel Simancas-RacinesCentro de Investigación en Salud Pública y Epidemiología Clínica (CISPEC), Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito 170527, Ecuador.ORCID 0000-0002-3641-1501
Evelyn Frias-ToralEscuela de Medicina, Universidad Espíritu Santo, Samborondón 0901952, Ecuador.ORCID 0000-0002-2228-0141
Martín Campuzano-DonosoCentro de Investigación en Salud Pública y Epidemiología Clínica (CISPEC), Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito 170527, Ecuador.ORCID 0000-0001-5317-8548
Daniel Ramos-SarmientoCentro de Investigación en Salud Pública y Epidemiología Clínica (CISPEC), Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito 170527, Ecuador.ORCID 0000-0001-8560-859X
Raynier Zambrano-VillacresEscuela de Nutrición y Dietética, Universidad Espíritu Santo, Samborondón 0901952, Ecuador.ORCID 0000-0002-4865-6469
Claudia Reytor-GonzálezCentro de Investigación en Salud Pública y Epidemiología Clínica (CISPEC), Facultad de Ciencias de la Salud Eugenio Espejo, Universidad UTE, Quito 170527, Ecuador.ORCID 0009-0007-4234-5524
Luigi SchiavoDepartment of Medicine, Surgery and Dentostry "Scuola Medica Salernitana", University of Salerno, 84081 Baronissi, Italy.ORCID 0000-0003-3639-6847

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Bariatric surgery has become the preferred treatment for individuals with morbid obesity. Nutrition is key in optimizing surgical outcomes by reducing risks and enhancing recovery. Preoperative strategies, such as reducing body fat, decreasing liver size, and improving metabolic profiles, have been shown to facilitate safer surgical procedures with fewer complications. This narrative review aims to provide an analysis of the fundamental role of preoperative nutritional management in improving bariatric surgery outcomes, emphasizing the importance of addressing specific nutritional challenges to enhance surgical safety, recovery, and overall health. Preoperative nutritional interventions focus on correcting comorbidities and nutritional deficiencies, particularly hypovitaminosis and micronutrient imbalances, through a multidisciplinary approach involving nutritionists and other healthcare professionals. These interventions not only prepare patients for the physiological demands of surgery but also initiate a period of adaptation to new dietary habits, aiming to improve long-term compliance and mitigate risks such as postoperative weight regain and dumping syndrome. Adopting dietary changes, such as very low-calorie or ketogenic diets 6-12 weeks before surgery, enhances adherence to postoperative restrictions and overall surgical success. Future research should focus on developing comprehensive guidelines for preoperative nutritional care to improve patient outcomes globally.

Indexed as

Bariatric SurgeryObesity, MorbidPreoperative CareHumansMalnutritionNutritional StatusNutrition TherapyPostoperative ComplicationsTreatment Outcomebariatric surgeryhealthcaremicronutrient supplementationobesitypreoperative micronutrient deficiencies

Identifiers

PMID39940424
PMCPMC11820445

What Socratic holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.