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Effect of Obesity Surgery on Taste. | LitMetric

Effect of Obesity Surgery on Taste.

Nutrients

Department of Metabolism, Digestion and Reproduction, Imperial College London, Hammersmith Hospital, London W12 0NN, UK.

Published: February 2022

AI Article Synopsis

  • - Obesity surgery effectively treats obesity and related health conditions, but the exact reasons for weight loss post-surgery, including changes in taste, are not fully understood.
  • - A systematic review identified 17 studies that showed taste changes, notably increased sensitivity to sweetness and reduced reward value for sweet foods after procedures like Roux-en-Y gastric bypass.
  • - While some patients may change their food preferences, contributing to weight loss, the results across studies are inconsistent, and the impact of taste changes tends to lessen over time and varies among different surgical procedures.

Article Abstract

Obesity surgery is a highly efficacious treatment for obesity and its comorbidities. The underlying mechanisms of weight loss after obesity surgery are not yet fully understood. Changes to taste function could be a contributing factor. However, the pattern of change in different taste domains and among obesity surgery operations is not consistent in the literature. A systematic search was performed to identify all articles investigating gustation in human studies following bariatric procedures. A total of 3323 articles were identified after database searches, searching references and deduplication, and 17 articles were included. These articles provided evidence of changes in the sensory and reward domains of taste following obesity procedures. No study investigated the effect of obesity surgery on the physiological domain of taste. Taste detection sensitivity for sweetness increases shortly after Roux-en-Y gastric bypass. Additionally, patients have a reduced appetitive reward value to sweet stimuli. For the subgroup of patients who experience changes in their food preferences after Roux-en-Y gastric bypass or vertical sleeve gastrectomy, changes in taste function may be underlying mechanisms for changing food preferences which may lead to weight loss and its maintenance. However, data are heterogeneous; the potential effect dilutes over time and varies significantly between different procedures.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8878262PMC
http://dx.doi.org/10.3390/nu14040866DOI Listing

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