期刊
NUTRIENTS
卷 14, 期 4, 页码 -出版社
MDPI
DOI: 10.3390/nu14040866
关键词
bariatric surgery; gustation; taste perception; reward; appetitive; consummatory; sleeve gastrectomy; Roux-en-Y gastric bypass; adjustable gastric banding; sweet
资金
- MRC
- BBSRC
- NIHR
- Wellcome Trust
- NIHR Biomedical Research Centre Funding Scheme
- Department of Community Health Sciences, College of Applied Medical Sciences, King Saud University, Riyadh
- Jon Moulton Charity Trust
- Fractyl
- NovoNordisk
- Imperial Health Charity Fellowship scheme
- University Hospitals Coventry
- Warwickshire NHS/Trust Research and Development Department
- Deanship of Scientific Research at Princess Nourah bint Abdulrahman University through the Fast-Track Research Funding Program
Obesity surgery has an impact on taste, especially in the perception and reward of sweetness. These effects may serve as underlying mechanisms for changes in food preferences, weight loss, and maintenance. However, the existing research results are inconsistent, and differences in time and surgical procedures may lead to variations in the outcomes.
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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