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Five-year changes in dietary intake and body composition in adolescents with severe obesity undergoing laparoscopic Roux-en-Y gastric bypass surgery.

Artikel i vetenskaplig tidskrift
Författare Pia Henfridsson
Anna Laurenius
Ola Wallengren
Eva Gronowitz
Jovanna Dahlgren
Carl-Erik Flodmark
Claude Marcus
Torsten Olbers
Lars Ellegård
Publicerad i Surgery for obesity and related diseases : official journal of the American Society for Bariatric Surgery
Volym 15
Nummer/häfte 1
Sidor 51-58
ISSN 1878-7533
Publiceringsår 2019
Publicerad vid Institutionen för kliniska vetenskaper, Avdelningen för gastrokirurgisk forskning och utbildning
Institutionen för medicin, avdelningen för invärtesmedicin och klinisk nutrition
Institutionen för kliniska vetenskaper, Avdelningen för pediatrik
Sidor 51-58
Språk en
Länkar dx.doi.org/10.1016/j.soard.2018.10....
www.ncbi.nlm.nih.gov/entrez/query.f...
Ämneskategorier Kirurgi

Sammanfattning

Information is scarce on long-term changes in energy intake (EI), dietary energy density (DED), and body composition in adolescents undergoing laparoscopic Roux-en-Y gastric bypass (RYGB).To investigate long-term changes in EI, DED, and body composition in adolescents after LRYGB.University hospitals, multicenter study, Sweden.Eighty-five adolescents (67% girls; mean ± standard deviation, age 16.0 ± 1.2 yr, body mass index 45.5 ± 6.1 kg/m2) were assessed preoperatively (baseline) and 1, 2, and 5 years after LRYGB with diet history interviews and dual-energy x-ray absorptiometry. Matched obese adolescent controls receiving nonsurgical treatment were assessed only at 5 years.Weight decreased 31%, 33%, and 28% at 1, 2, and 5 years after LRYGB (P < .001) while controls gained 13% over 5 years (P < .001). Dietary assessments were completed in 98%, 93%, 87%, and 75% at baseline and 1, 2, and 5 years, respectively, and in 65% of controls. Baseline EI (2558 kcal/d), decreased by 34%, 22%, and 10% after 1, 2, and 5 years (P < .05). DED decreased at 1 year (P = .03). Macronutrient distribution was not different from controls at 5 years, but EI and DED were 31% and 14% lower (P < .015). Fat, fat-free, and muscle mass decreased through 5 years after LRYGB (P < .001). Boys preserved muscle mass more than girls (P < .01). Adequate protein intake was associated with preservation of muscle mass (P = .003).In adolescents undergoing LRYGB EI remained 10% lower 5 years after surgery. Decreased EI and DED, rather than macronutrient distribution, are important factors in weight loss after surgery. Higher protein intake may facilitate preservation of muscle mass.

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