Document Detail


Hedonic hunger is increased in severely obese patients and is reduced after gastric bypass surgery.
MedLine Citation:
PMID:  20519559     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Overeating as a pathogenetic hallmark of obesity may be promoted by an increase in hedonic hunger, ie, the drive to eat palatable foods in the absence of energy need. Gastric bypass surgery, which effectively reduces severe obesity, might also affect hedonic hunger. OBJECTIVE: The objective was to assess hedonic hunger in severely obese patients with and without a history of gastric bypass surgery. DESIGN: Severely obese patients who had not undergone gastric bypass surgery (n = 123), gastric bypass patients (n = 136), and nonobese control subjects (n = 110) were examined with the Power of Food Scale (PFS)--a questionnaire that reliably measures an individual's motivation to consume highly palatable foods. RESULTS: Compared with nonobese control subjects, severely obese patients achieved markedly higher aggregated PFS scores and subdomain scores related to generally available as well as physically present foods (all P < 0.001). On the aggregated score as well in those 2 subdomains, gastric bypass patients scored significantly lower than did non-gastric bypass obese patients (all P < 0.001) and did not differ significantly from the nonobese control group (P > 0.2). In contrast, in the PFS domain concerning food tasted, gastric bypass patients had significantly lower scores than did the nonobese control subjects (P = 0.04) and the severely obese patients (P = 0.008), both of whom did not differ significantly in this measure (P = 0.90). CONCLUSION: In comparison with nonobese control subjects, severely obese patients display a marked increase in hedonic hunger that is not observed in patients who have undergone gastric bypass surgery, suggesting that the operation normalizes excessive appetite for palatable foods, which may be an important pathophysiologic feature of severe obesity.
Authors:
Bernd Schultes; Barbara Ernst; Britta Wilms; Martin Thurnheer; Manfred Hallschmid
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't     Date:  2010-06-02
Journal Detail:
Title:  The American journal of clinical nutrition     Volume:  92     ISSN:  1938-3207     ISO Abbreviation:  Am. J. Clin. Nutr.     Publication Date:  2010 Aug 
Date Detail:
Created Date:  2010-07-21     Completed Date:  2010-08-12     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0376027     Medline TA:  Am J Clin Nutr     Country:  United States    
Other Details:
Languages:  eng     Pagination:  277-83     Citation Subset:  AIM; IM    
Affiliation:
Interdisciplinary Obesity Center, Kantonsspital St Gallen, Rorschach, Switzerland. bernd.schultes@kssg.ch
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MeSH Terms
Descriptor/Qualifier:
Adult
Appetite Regulation / physiology*
Female
Food Preferences*
Gastric Bypass* / psychology
Humans
Hunger / physiology*
Male
Middle Aged
Obesity, Morbid / physiopathology,  psychology*,  surgery
Pleasure*
Questionnaires
Reference Values
Taste Perception*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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