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Decreased energy de...
Decreased energy density and changes in food selection following Roux-en-Y gastric bypass.
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- Laurenius, Anna (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för gastrokirurgisk forskning och utbildning,Institute of Clinical Sciences, Department of Gastrosurgical Research and Education
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Larsson, I (författare)
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Melanson, K J (författare)
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Lindroos, Anna-Karin, 1958 (författare)
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- Lönroth, Hans, 1952 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för gastrokirurgisk forskning och utbildning,Institute of Clinical Sciences, Department of Gastrosurgical Research and Education
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- Bosaeus, Ingvar, 1950 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition,Institute of Medicine, Department of Internal Medicine and Clinical Nutrition
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- Olbers, Torsten, 1964 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för gastrokirurgisk forskning och utbildning,Institute of Clinical Sciences, Department of Gastrosurgical Research and Education
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(creator_code:org_t)
- 2013-01-09
- 2013
- Engelska.
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Ingår i: European journal of clinical nutrition. - : Springer Science and Business Media LLC. - 1476-5640 .- 0954-3007. ; 67:2, s. 168-73
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Background/Objectives:The main objective was to test the hypothesis that dietary energy density (DED) decreases after Roux-en-Y gastric bypass (gastric bypass).Subjects/Methods:A total of 43 patients (31 women and 12 men) aged 43 (s.d. 10) years, with body mass index (BMI) 44.3kg/m(2) (4.9), were assessed preoperatively at 6 weeks and 1 and 2 years after gastric bypass. Self-reported energy intake (EI), food weight (FW) and food choice were assessed using a dietary questionnaire. DED was calculated by dividing EI by FW (kcal/g). Number of dropouts was 4 of 203 visits.Results:Percent weight loss (%WL) was 13.5% at 6 weeks, 30.7% at 1 year and 31.8% at 2 years post surgery (P<0.001 for all). EI decreased from 2990 to 1774, 2131 and 2425kcal after 6 weeks and 1 and 2 years postoperatively, respectively (P<0.001 at all time points). FW changed from 2844 to 1870g/day at 6 weeks (P<0.001) and 2416g/day after 1 year (P<0.05), but was not significantly different from baseline 2 years postoperatively (2602g/day, P=0.105). DED decreased from 1.07 to 0.78kcal/g at 6 weeks (P<0.001) and 0.90kcal/g (P<0.001) and 0.96kcal/g (P=0.001) after 1 and 2 years, respectively. All statistical comparisons were made from baseline. There was no correlation between changes in DED and %WL, neither after 1 year (r=-0.215; P=0.183) nor after 2 years (r=-0.046; P=0.775) post surgery.Conclusions:Besides substantial reduction in EI and large variation in FW, patients reported decreased DED over 2 years following gastric bypass. Despite lack of association between the reduction in DED and percentage weight loss, changes in food choice were overall nutritionally beneficial.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Gastroenterologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Gastroenterology and Hepatology (hsv//eng)
Nyckelord
- dietary energy density; energy intake; food weight; food choice; Roux-en-Y gastric bypass
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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Till lärosätets databas
- Av författaren/redakt...
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Laurenius, Anna
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Larsson, I
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Melanson, K J
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Lindroos, Anna-K ...
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Lönroth, Hans, 1 ...
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Bosaeus, Ingvar, ...
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Olbers, Torsten, ...
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- MEDICIN OCH HÄLSOVETENSKAP
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MEDICIN OCH HÄLS ...
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och Klinisk medicin
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och Gastroenterologi
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European journal ...
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Göteborgs universitet