Cited by 126Diabetes, Cardiovascular Risks, and LipoproteinsObesity, Physical Activity, DietLipoproteins and Cardiovascular Health

Weight loss and serum lipids in overweight and obese adults: A systematic review and meta-analysis

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Hasan, Bashar, Nayfeh, Tarek, Alzuabi, Muayad, Wang, Zhen, Kuchkuntla, Aravind Reddy, Prokop, Larry J, Newman, Connie B, Murad, Mohammad Hassan +1 more·2020·The Journal of Clinical Endocrinology & Metabolism

Abstract

Background: Excess adipose tissue is associated with an abnormal lipid profile that may improve with weight reduction. In this meta-analysis, we aimed to estimate the magnitude of change in lipid parameters associated with weight loss in adults who are overweight or obese. Methods: We searched MEDLINE, EMBASE, Cochrane Database of Systematic Reviews, and Scopus from 2013 to September, 2018. We included randomized controlled trials (RCTs) that evaluated interventions to treat adult obesity (lifestyle, pharmacologic and surgical) with follow-up of 6 months or more. Results: We included 73 RCTs with moderate-to-low risk of bias, enrolling 32 496 patients (mean age, 48.1 years; weight, 101.6 kg; and body mass index [BMI], 36.3 kg/m2). Lifestyle interventions (diet, exercise, or both), pharmacotherapy, and bariatric surgery were associated with reduced triglyceride (TG) and low-density lipoprotein cholesterol (LDL-C) concentrations and increased high-density lipoprotein cholesterol (HDL-C) at 6 and 12 months. The following data are for changes in lipid parameters after 12 months of the intervention with 95% CI. Following lifestyle interventions, per 1 kg of weight lost, TGs were reduced by –4.0 mg/dL (95% CI, –5.24 to –2.77 mg/dL), LDL-C was reduced by –1.28 mg/dL (95% CI, –2.19 to –0.37 mg/dL), and HDL-C increased by 0.46 mg/dL (95% CI, 0.20 to 0.71 mg/dL). Following pharmacologic interventions, per 1 kg of weight lost, TGs were reduced by –1.25 mg/dL (95% CI, –2.94 to 0.43 mg/dL), LDL-C was reduced by –1.67 mg/dL (95% CI, –2.28 to –1.06 mg/dL), and HDL-C increased by 0.37 mg/dL (95% CI, 0.23 to 0.52 mg/dL). Following bariatric surgery, per 1 kg of weight lost, TGs were reduced by –2.47 mg/dL (95% CI, –3.14 to –1.80 mg/dL), LDL-C was reduced by –0.33 mg/dL (95% CI, –0.77 to 0.10 mg/dL), and HDL-C increased by 0.42 mg/dL (95% CI, 0.37 to 0.47 mg/dL). Low-carbohydrate diets resulted in reductions in TGs and increases in HDL-C, whereas low-fat diets resulted in reductions in TGs and LDL-C and increases in HDL-C. Results were consistent across malabsorptive and restrictive surgery. Conclusions: Weight loss in adults is associated with statistically significant changes in serum lipids. The reported magnitude of improvement can help in setting expectations, inform shared decision making, and facilitate counseling.

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  1. Shah TJ, Walsh S. Obese women have significant vascular infiltration of neutrophils which may put them at risk for cardiovascular diseases. J Soc Gynecol Investig. 2006;13:194A- 195A.
  2. LeBlanc ES, Patnode CD, Webber EM, Redmond N, Rushkin M, O'Connor EA. Behavioral and pharmacotherapy weight loss interventions to prevent obesity-related morbidity and mortality in adults. JAMA. 2018;320(11):1172-1191.

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Authors
Hasan, B., Nayfeh, T., Alzuabi, M., Wang, Z., Kuchkuntla, A. R., Prokop, L. J., Newman, C. B., Murad, M. H., & Rajjo, T. I.
Affiliations
  • Mayo Clinic (US)
  • NYU Langone Health (US)
Corresponding author
Murad, Mohammad Hassan
Venue
The Journal of Clinical Endocrinology & Metabolism
Published
2020-09-21
Volume
105
Issue
12
Pages
3695-3703
ISSN
  • 0021-972X (ISSN-L)
  • 1945-7197
OpenAlex
W3087550284
Cited by
126
References
40
Citations by year
2026: 37 · 2025: 31 · 2024: 24 · 2023: 13 · 2022: 13 · 2021: 6 · 2020: 2
FWCI
1.30
Type
journal article
Language
en
Open access
Locations
  • The Journal of Clinical Endocrinology & Metabolism (publishedVersion)
  • PubMed (publishedVersion)
Funders
Endocrine Society
Topics
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes, Cardiovascular Risks, and Lipoproteins
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Obesity, Physical Activity, Diet
  • Health Sciences › Medicine › Surgery › Lipoproteins and Cardiovascular Health
Keywords
weight loss, serum lipids, obesity, overweight adults, triglycerides, LDL cholesterol, HDL cholesterol, lifestyle intervention, pharmacotherapy, bariatric surgery, weight loss interventions, body mass index, diet and exercise, obesity pharmacotherapy, obesity surgery outcomes
MeSH terms
Adult, Exercise Therapy, Female, Humans, Lipids, Male, Middle Aged, Obesity, Weight Loss, Diet, Fat-Restricted, Bariatric Surgery, Overweight, Diet, Carbohydrate-Restricted

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