. 2016 Jun;26(6):1343-51.

doi: 10.1007/s11695-016-2167-3.

Commercial Very Low Energy Meal Replacements for Preoperative Weight Loss in Obese Patients: a Systematic Review

Lynda J Ross^{1

2}, Siobhan Wallin³, Emma J Osland^{3

4}, Muhammed Ashraf Memon^{5

6

7

8

9}

Affiliations

¹ Department of Nutrition and Dietetics, Royal Brisbane & Women's Hospital, Brisbane, QLD, Australia. lynda.ross@griffith.edu.au.
² Menzies Health Institute Queensland, Griffith University, Gold Coast campus, Southport, QLD, Australia. lynda.ross@griffith.edu.au.
³ Department of Nutrition and Dietetics, Royal Brisbane & Women's Hospital, Brisbane, QLD, Australia.
⁴ School of Human Movement and Nutrition Sciences, University of Queensland, Brisbane, QLD, Australia.
⁵ Sunnybank Obesity Centre and South East Queensland Surgery (SEQS), Sunnybank, QLD, Australia.
⁶ Mayne Medical School, School of Medicine, University of Queensland, Brisbane, QLD, Australia.
⁷ Faculty of Health Sciences and Medicine, Bond University, Gold Coast, QLD, Australia.
⁸ Faculty of Health Sciences, Mathematics and Computing, Australian Centre for Sustainable Catchments, University of Southern Queensland, Toowoomba, QLD, Australia.
⁹ Faculty of Health Science, Bolton University, Bolton, Lancashire, UK.

PMID: 27072022
DOI: 10.1007/s11695-016-2167-3

Commercial Very Low Energy Meal Replacements for Preoperative Weight Loss in Obese Patients: a Systematic Review

Lynda J Ross et al. Obes Surg. 2016 Jun.

. 2016 Jun;26(6):1343-51.

doi: 10.1007/s11695-016-2167-3.

Authors

Lynda J Ross^{1

2}, Siobhan Wallin³, Emma J Osland^{3

4}, Muhammed Ashraf Memon^{5

6

7

8

9}

Affiliations

¹ Department of Nutrition and Dietetics, Royal Brisbane & Women's Hospital, Brisbane, QLD, Australia. lynda.ross@griffith.edu.au.
² Menzies Health Institute Queensland, Griffith University, Gold Coast campus, Southport, QLD, Australia. lynda.ross@griffith.edu.au.
³ Department of Nutrition and Dietetics, Royal Brisbane & Women's Hospital, Brisbane, QLD, Australia.
⁴ School of Human Movement and Nutrition Sciences, University of Queensland, Brisbane, QLD, Australia.
⁵ Sunnybank Obesity Centre and South East Queensland Surgery (SEQS), Sunnybank, QLD, Australia.
⁶ Mayne Medical School, School of Medicine, University of Queensland, Brisbane, QLD, Australia.
⁷ Faculty of Health Sciences and Medicine, Bond University, Gold Coast, QLD, Australia.
⁸ Faculty of Health Sciences, Mathematics and Computing, Australian Centre for Sustainable Catchments, University of Southern Queensland, Toowoomba, QLD, Australia.
⁹ Faculty of Health Science, Bolton University, Bolton, Lancashire, UK.

PMID: 27072022
DOI: 10.1007/s11695-016-2167-3

Abstract

Background: This systematic review assessed feasibility and effectiveness of preoperative meal replacements to improve surgical outcomes for obese patients.

Methods: PRISMA guidelines were followed and electronic databases searched for articles between January 1990 and March 2015.

Results: Fifteen studies (942 participants including 351 controls) were included, 13 studies (n = 750) in bariatric patients. Adverse effects and dropout rates were minimal. Ten out of 14 studies achieved 5-10 % total weight loss. Six of six studies reporting liver volume achieved 10 % reduction. Endpoints for perioperative risks and outcomes were too varied to support definitive risk benefit.

Conclusions: Commercial meal replacements are feasible, have minimal side effects and facilitate weight loss and liver shrinkage in free-living obese patients awaiting elective surgery. A reduction in surgical risk is unclear.

Keywords: Meal replacements; Preoperative weight loss; Surgical outcomes; Very low energy diet.

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Commercial Very Low Energy Meal Replacements for Preoperative Weight Loss in Obese Patients: a Systematic Review

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Commercial Very Low Energy Meal Replacements for Preoperative Weight Loss in Obese Patients: a Systematic Review

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