ReviewNutrients2023
Very Low-Calorie Ketogenic Diet (VLCKD) as Pre-Operative First-Line Dietary Therapy in Patients with Obesity Who Are Candidates for Bariatric Surgery.
Review in Nutrients, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers, 3 of them syntheses that pooled 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.
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.
Who cites it
19 citing papers in PubMed, 3 syntheses or guidelines pooled it, 25 citations in OpenAlex.
- Hypocaloric low-carbohydrate versus low-fat diets on flow-mediated dilation, blood pressure, cardiovascular biomarkers, and body composition in individuals with overweight or obesity: a systematic review and meta-analysis of randomized clinical trials.European journal of clinical nutrition · 2025Pooled it
- Pooled it
- Guideline
- Prehabilitation in Obese Patients with Ventral Hernia: A Narrative Review and Proposal of a Clinical Algorithm.Journal of clinical medicine · 2026Review
- Micronutrient Deficiencies in Obese Patients and Risk of Postoperative Fistula: A Forgotten Link in Bariatric and Metabolic Surgery.Nutrients · 2026Review
- A Narrative Review of Weight Management Strategies: From Lifestyle Interventions to Emerging Pharmacotherapies.Journal of obesity · 2026Review
- Preoperative weight loss by noninvasive approach in patients with obesity scheduled for bariatric and metabolic surgery: an update narrative review of indications and results available until 2024.Updates in surgery · 2025Review
- A Single Arm Pilot Observational Study to Evaluate the Safety and Feasibility of a Pre-Operative Very Low Calorie Diet in Severely Obese Patients With Endometrial Cancer.Cancer reports (Hoboken, N.J.) · 2025Observational
- Neurobiological and Microbiota Alterations After Bariatric Surgery: Implications for Hunger, Appetite, Taste, and Long-Term Metabolic Health.Brain sciences · 2025Review
- Article
- Preventing and Managing Pre- and Postoperative Micronutrient Deficiencies: A Vital Component of Long-Term Success in Bariatric Surgery.Nutrients · 2025Review
- Preoperative Nutrition in Bariatric Surgery: A Narrative Review on Enhancing Surgical Success and Patient Outcomes.Nutrients · 2025Review
- Article
- Ketogenic Diet and Endocrine and Metabolic Diseases: A Bibliometric Study and Visualization Analysis.Endocrine, metabolic & immune disorders drug targets · 2024Article
- Weight loss, changes in body composition and inflammatory status after a very low-energy ketogenic therapy (VLEKT): does gender matter?Journal of translational medicine · 2024Article
- Very Low Calorie Ketogenic Diet: What Effects on Lipid Metabolism?Current nutrition reports · 2024Review
- Metabolic dysregulation in obese women and the carcinogenesis of gynecological tumors: A review.Biomolecules & biomedicine · 2024Review
- The impact of ketogenic diet on some metabolic and non-metabolic diseases: Evidence from human and animal model experiments.Food science & nutrition · 2024Review
- Ketogenic nutritional therapy (KeNuT)-a multi-step dietary model with meal replacements for the management of obesity and its related metabolic disorders: a consensus statement from the working group of the Club of the Italian Society of Endocrinology (SIE)-diet therapies in endocrinology and metabolism.Journal of endocrinological investigation · 2024Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
10 authors at 7 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Bariatric surgery is currently the most effective method for achieving long-term weight loss and reducing the risk of comorbidities and mortality in individuals with severe obesity. The pre-operative diet is an important factor in determining patients' suitability for surgery, as well as their post-operative outcomes and success in achieving weight loss. Therefore, the nutritional management of bariatric patients requires specialized expertise. Very low-calorie diets and intragastric balloon placement have already been studied and shown to be effective in promoting pre-operative weight loss. In addition, the very low-calorie ketogenic diet has a well-established role in the treatment of obesity and type 2 diabetes mellitus, but its potential role as a pre-operative dietary treatment prior to bariatric surgery has received less attention. Thus, this article will provide a brief overview of the current evidence on the very low-calorie ketogenic diet as a pre-operative dietary treatment in patients with obesity who are candidates for bariatric surgery.
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Registered trials
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.