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Energy adaptations persist 2 years after sleeve gastrectomy and gastric bypass

Journal Article


Abstract


  • Non-surgical weight loss induces a greater than expected decrease in energy expenditure, a phenomenon known as ‘metabolic adaptation’. The effects of different bariatric surgery procedures on metabolic adaptation are not yet known and may partially contribute to weight loss success. We compared resting energy expenditure (REE) in 35 subjects (nine males; age = 46 ± 11 years; BMI = 42.1 ± 6.5 kg/m2) undergoing gastric band, sleeve gastrectomy or Roux-en-Y gastric bypass (RYGB) up to 2 years after surgery. We found a greater than expected reduction of 130–300 kcal/day at 6 weeks after sleeve and bypass surgery which was not explained by changes in body composition; this change was not seen in the band group. The suppression in REE after sleeve and RYGB remained up to 2 years, even after weight loss had plateaued. Our findings suggest that energy adaptation is not a contributing mechanism to medium-term weight maintenance after sleeve and RYGB bariatric surgeries.

Authors


  •   Tam, Charmaine S. (external author)
  •   Rigas, Georgia (external author)
  •   Heilbronn, Leonie K. (external author)
  •   Matisan, Tania (external author)
  •   Probst, Yasmine
  •   Talbot, Michael (external author)

Publication Date


  • 2016

Citation


  • Tam, C. S., Rigas, G., Heilbronn, L. K., Matisan, T., Probst, Y. & Talbot, M. (2016). Energy adaptations persist 2 years after sleeve gastrectomy and gastric bypass. Obesity Surgery, 26 (2), 459-463.

Scopus Eid


  • 2-s2.0-84949506265

Ro Metadata Url


  • http://ro.uow.edu.au/smhpapers/3551

Number Of Pages


  • 4

Start Page


  • 459

End Page


  • 463

Volume


  • 26

Issue


  • 2

Abstract


  • Non-surgical weight loss induces a greater than expected decrease in energy expenditure, a phenomenon known as ‘metabolic adaptation’. The effects of different bariatric surgery procedures on metabolic adaptation are not yet known and may partially contribute to weight loss success. We compared resting energy expenditure (REE) in 35 subjects (nine males; age = 46 ± 11 years; BMI = 42.1 ± 6.5 kg/m2) undergoing gastric band, sleeve gastrectomy or Roux-en-Y gastric bypass (RYGB) up to 2 years after surgery. We found a greater than expected reduction of 130–300 kcal/day at 6 weeks after sleeve and bypass surgery which was not explained by changes in body composition; this change was not seen in the band group. The suppression in REE after sleeve and RYGB remained up to 2 years, even after weight loss had plateaued. Our findings suggest that energy adaptation is not a contributing mechanism to medium-term weight maintenance after sleeve and RYGB bariatric surgeries.

Authors


  •   Tam, Charmaine S. (external author)
  •   Rigas, Georgia (external author)
  •   Heilbronn, Leonie K. (external author)
  •   Matisan, Tania (external author)
  •   Probst, Yasmine
  •   Talbot, Michael (external author)

Publication Date


  • 2016

Citation


  • Tam, C. S., Rigas, G., Heilbronn, L. K., Matisan, T., Probst, Y. & Talbot, M. (2016). Energy adaptations persist 2 years after sleeve gastrectomy and gastric bypass. Obesity Surgery, 26 (2), 459-463.

Scopus Eid


  • 2-s2.0-84949506265

Ro Metadata Url


  • http://ro.uow.edu.au/smhpapers/3551

Number Of Pages


  • 4

Start Page


  • 459

End Page


  • 463

Volume


  • 26

Issue


  • 2