Efficacy of a liquid low-energy formula diet in achieving preoperative target weight loss before bariatric surgery

Research output: Contribution to journalJournal articleResearchpeer-review

Standard

Efficacy of a liquid low-energy formula diet in achieving preoperative target weight loss before bariatric surgery. / Nielsen, Lone Vestergaard; Nielsen, Mette Søndergaard; Schmidt, Julie Berg; Pedersen, Sue D; Sjödin, Anders Mikael.

In: Journal of Nutritional Science, Vol. 5, e22, 2016.

Research output: Contribution to journalJournal articleResearchpeer-review

Harvard

Nielsen, LV, Nielsen, MS, Schmidt, JB, Pedersen, SD & Sjödin, AM 2016, 'Efficacy of a liquid low-energy formula diet in achieving preoperative target weight loss before bariatric surgery', Journal of Nutritional Science, vol. 5, e22. https://doi.org/10.1017/jns.2016.13

APA

Nielsen, L. V., Nielsen, M. S., Schmidt, J. B., Pedersen, S. D., & Sjödin, A. M. (2016). Efficacy of a liquid low-energy formula diet in achieving preoperative target weight loss before bariatric surgery. Journal of Nutritional Science, 5, [e22]. https://doi.org/10.1017/jns.2016.13

Vancouver

Nielsen LV, Nielsen MS, Schmidt JB, Pedersen SD, Sjödin AM. Efficacy of a liquid low-energy formula diet in achieving preoperative target weight loss before bariatric surgery. Journal of Nutritional Science. 2016;5. e22. https://doi.org/10.1017/jns.2016.13

Author

Nielsen, Lone Vestergaard ; Nielsen, Mette Søndergaard ; Schmidt, Julie Berg ; Pedersen, Sue D ; Sjödin, Anders Mikael. / Efficacy of a liquid low-energy formula diet in achieving preoperative target weight loss before bariatric surgery. In: Journal of Nutritional Science. 2016 ; Vol. 5.

Bibtex

@article{1701b53345824fe89ffdfbcda5c79114,
title = "Efficacy of a liquid low-energy formula diet in achieving preoperative target weight loss before bariatric surgery",
abstract = "A preoperative weight loss of 8 {\%} is a prerequisite to undergo bariatric surgery (BS) in Denmark. The aim of the present study was to evaluate the efficacy of a 7- or an 11-week low-energy diet (LCD) for achieving preoperative target weight before BS. A total of thirty obese patients (BMI 46·0 (sd 4·4) kg/m2) followed an LCD (Cambridge Weight Plan{\circledR}, 4184 kJ/d (1000 kcal/d)) for 7 or 11 weeks as preparation for BS. Anthropometric measurements including body composition (dual-energy X-ray absorptiometry), blood parameters and blood pressure were assessed at weeks 0, 7 and 11. At week 7, the majority of patients (77 {\%}) had reached their target weight, and this was achieved after 5·4 (sem 0·3) weeks. Mean weight loss was 9·3 (sem 0·5) {\%} (P < 0·01) and consisted of 41·6 {\%} fat-free mass (FFM) and 58·4 {\%} fat mass. The weight loss was accompanied by a decrease in systolic and diastolic blood pressure (7·1 (sem 2·3) and 7·3 (sem 1·8) mmHg, respectively, all P < 0·01) as well as an improved metabolic profile (8·2 (sem 1·8) {\%} decrease in fasting glucose (P < 0·01), 28·6 (sem 6·4) {\%} decrease in fasting insulin (P < 0·01), 23·1 (sem 2·2) {\%} decrease in LDL (P < 0·01), and 9·7 (sem 4·7) {\%} decrease in TAG (P < 0·05)). Weight, FFM and fat mass continued to decrease from week 7 to 11 (all P < 0·01), whereas no additional improvements was observed in the metabolic parameters. Severely obese patients can safely achieve preoperative target weight on an LCD within 7 weeks as part of preparation for BS. However, the considerable reduction in FFM in severely obese subjects needs further investigation.",
author = "Nielsen, {Lone Vestergaard} and Nielsen, {Mette S{\o}ndergaard} and Schmidt, {Julie Berg} and Pedersen, {Sue D} and Sj{\"o}din, {Anders Mikael}",
note = "CURIS 2016 NEXS 145",
year = "2016",
doi = "10.1017/jns.2016.13",
language = "English",
volume = "5",
journal = "Journal of Nutritional Science",
issn = "2048-6790",
publisher = "Cambridge University Press",

}

RIS

TY - JOUR

T1 - Efficacy of a liquid low-energy formula diet in achieving preoperative target weight loss before bariatric surgery

AU - Nielsen, Lone Vestergaard

AU - Nielsen, Mette Søndergaard

AU - Schmidt, Julie Berg

AU - Pedersen, Sue D

AU - Sjödin, Anders Mikael

N1 - CURIS 2016 NEXS 145

PY - 2016

Y1 - 2016

N2 - A preoperative weight loss of 8 % is a prerequisite to undergo bariatric surgery (BS) in Denmark. The aim of the present study was to evaluate the efficacy of a 7- or an 11-week low-energy diet (LCD) for achieving preoperative target weight before BS. A total of thirty obese patients (BMI 46·0 (sd 4·4) kg/m2) followed an LCD (Cambridge Weight Plan®, 4184 kJ/d (1000 kcal/d)) for 7 or 11 weeks as preparation for BS. Anthropometric measurements including body composition (dual-energy X-ray absorptiometry), blood parameters and blood pressure were assessed at weeks 0, 7 and 11. At week 7, the majority of patients (77 %) had reached their target weight, and this was achieved after 5·4 (sem 0·3) weeks. Mean weight loss was 9·3 (sem 0·5) % (P < 0·01) and consisted of 41·6 % fat-free mass (FFM) and 58·4 % fat mass. The weight loss was accompanied by a decrease in systolic and diastolic blood pressure (7·1 (sem 2·3) and 7·3 (sem 1·8) mmHg, respectively, all P < 0·01) as well as an improved metabolic profile (8·2 (sem 1·8) % decrease in fasting glucose (P < 0·01), 28·6 (sem 6·4) % decrease in fasting insulin (P < 0·01), 23·1 (sem 2·2) % decrease in LDL (P < 0·01), and 9·7 (sem 4·7) % decrease in TAG (P < 0·05)). Weight, FFM and fat mass continued to decrease from week 7 to 11 (all P < 0·01), whereas no additional improvements was observed in the metabolic parameters. Severely obese patients can safely achieve preoperative target weight on an LCD within 7 weeks as part of preparation for BS. However, the considerable reduction in FFM in severely obese subjects needs further investigation.

AB - A preoperative weight loss of 8 % is a prerequisite to undergo bariatric surgery (BS) in Denmark. The aim of the present study was to evaluate the efficacy of a 7- or an 11-week low-energy diet (LCD) for achieving preoperative target weight before BS. A total of thirty obese patients (BMI 46·0 (sd 4·4) kg/m2) followed an LCD (Cambridge Weight Plan®, 4184 kJ/d (1000 kcal/d)) for 7 or 11 weeks as preparation for BS. Anthropometric measurements including body composition (dual-energy X-ray absorptiometry), blood parameters and blood pressure were assessed at weeks 0, 7 and 11. At week 7, the majority of patients (77 %) had reached their target weight, and this was achieved after 5·4 (sem 0·3) weeks. Mean weight loss was 9·3 (sem 0·5) % (P < 0·01) and consisted of 41·6 % fat-free mass (FFM) and 58·4 % fat mass. The weight loss was accompanied by a decrease in systolic and diastolic blood pressure (7·1 (sem 2·3) and 7·3 (sem 1·8) mmHg, respectively, all P < 0·01) as well as an improved metabolic profile (8·2 (sem 1·8) % decrease in fasting glucose (P < 0·01), 28·6 (sem 6·4) % decrease in fasting insulin (P < 0·01), 23·1 (sem 2·2) % decrease in LDL (P < 0·01), and 9·7 (sem 4·7) % decrease in TAG (P < 0·05)). Weight, FFM and fat mass continued to decrease from week 7 to 11 (all P < 0·01), whereas no additional improvements was observed in the metabolic parameters. Severely obese patients can safely achieve preoperative target weight on an LCD within 7 weeks as part of preparation for BS. However, the considerable reduction in FFM in severely obese subjects needs further investigation.

U2 - 10.1017/jns.2016.13

DO - 10.1017/jns.2016.13

M3 - Journal article

C2 - 27293559

VL - 5

JO - Journal of Nutritional Science

JF - Journal of Nutritional Science

SN - 2048-6790

M1 - e22

ER -

ID: 161948053