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Neeland IJ, Linge J, Birkenfeld AL. Changes in lean body mass with glucagon-like peptide-1-based therapies and mitigation strategies. Diabetes Obes Metab 2024. [PMID: 38937282 DOI: 10.1111/dom.15728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Revised: 06/03/2024] [Accepted: 06/03/2024] [Indexed: 06/29/2024]
Abstract
Weight loss induced by glucagon-like peptide-1 receptor agonists (GLP-1RAs) and dual glucagon-like peptide-1 receptor (GLP-1R)/glucose-dependent insulinotropic polypeptide receptor agonists is coming closer to the magnitudes achieved with surgery. However, with greater weight loss there is concern about potential side effects on muscle quantity (mass), health and function. There is heterogeneity in the reported effects of GLP-1-based therapies on lean mass changes in clinical trials: in some studies, reductions in lean mass range between 40% and 60% as a proportion of total weight lost, while other studies show lean mass reductions of approximately 15% or less of total weight lost. There are several potential reasons underlying this heterogeneity, including population, drug-specific/molecular, and comorbidity effects. Furthermore, changes in lean mass may not always reflect changes in muscle mass as the former measure includes not only muscle but also organs, bone, fluids, and water in fat tissue. Based on contemporary evidence with the addition of magnetic resonance imaging-based studies, skeletal muscle changes with GLP-1RA treatments appear to be adaptive: reductions in muscle volume seem to be commensurate with what is expected given ageing, disease status, and weight loss achieved, and the improvement in insulin sensitivity and muscle fat infiltration likely contributes to an adaptive process with improved muscle quality, lowering the probability for loss in strength and function. Nevertheless, factors such as older age and severity of disease may influence the selection of appropriate candidates for these therapies due to risk of sarcopenia. To further improve muscle health during weight loss, several pharmacological treatments to maintain or improve muscle mass designed in combination with GLP-1-based therapies are under development. Future research on GLP-1-based and other therapies designed for weight loss should focus on more accurate and meaningful assessments of muscle mass, composition, as well as function, mobility or strength, to better define their impact on muscle health for the substantial number of patients who will likely be taking these medications well into the future.
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Affiliation(s)
- Ian J Neeland
- Department of Medicine, Case Western Reserve University School of Medicine, Cleveland, Ohio, USA
- Division of Cardiovascular Medicine, University Hospitals Harrington Heart and Vascular Institute, University Hospitals Cleveland Medical Center, Cleveland, Ohio, USA
| | - Jennifer Linge
- AMRA Medical AB, Linköping, Sweden
- Division of Diagnostics and Specialist Medicine, Department of Health, Medicine and Caring Sciences, Linköping University, Linköping, Sweden
| | - Andreas L Birkenfeld
- Institute for Diabetes Research and Metabolic Diseases (IDM) of the Helmholtz Center Munich at the Eberhard Karls University Tübingen, Tübingen, Germany
- German Center for Diabetes Research (DZD), Neuherberg, Germany
- Department of Diabetology, Endocrinology, and Nephrology, University Clinic Tübingen, Eberhard Karls University Tübingen, Tübingen, Germany
- Department of Diabetes, Life Sciences & Medicine Cardiovascular Medicine & Sciences, Kings College London, London, UK
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2
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Schiavo L, Santella B, Paolini B, Rahimi F, Giglio E, Martinelli B, Boschetti S, Bertolani L, Gennai K, Arolfo S, Bertani MP, Pilone V. Adding Branched-Chain Amino Acids and Vitamin D to Whey Protein Is More Effective than Protein Alone in Preserving Fat Free Mass and Muscle Strength in the First Month after Sleeve Gastrectomy. Nutrients 2024; 16:1448. [PMID: 38794686 PMCID: PMC11123955 DOI: 10.3390/nu16101448] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 05/06/2024] [Accepted: 05/10/2024] [Indexed: 05/26/2024] Open
Abstract
OBJECTIVES Sleeve gastrectomy (SG) is one of the most commonly performed weight loss (WL) bariatric procedures. The main goal of WL is reducing total body weight (TBW) and fat mass (FM). However, TBW loss is systematically accompanied by a decline in fat-free mass (FFM), predominantly in the first post-surgical month, despite protein supplementation. Branched-chain amino acids (BCAAs) and vitamin D seem to attenuate loss of FFM and, thus, reduce the decline in muscle strength (MS). However, data on the role of an integrated supplementation with whey protein plus BCAAs plus vitamin D (P+BCAAs+Vit.D) vs. protein alone on total weight loss (TWL), fat mass (FM), fat-free mass (FFM), and (MS) in the first month after SG are lacking. Therefore, the present study aims to evaluate the impact of P+BCAAs+Vit.D vs. protein alone supplementation on TWL, FM, FFM, and MS in the first month after SG. MATERIALS AND METHODS Before SG and at 1 month afterward, we prospectively measured and compared TBW, FM, FFM, and MS in 57 patients who received either a supplementation with P+BCAAs+Vit.D (n = 31) or protein alone (n = 26). The impact of P+BCAAs+Vit.D and protein alone supplementation on clinical status was also evaluated. RESULTS Despite non-significant variation in TBW, FM decreased more significantly (18.5% vs. 13.2%, p = 0.023) with the P+BCAA+Vit.D supplementation compared to protein alone. Furthermore, the P+BCAA+Vit.D group showed a significantly lower decrease in FFM (4.1% vs. 11.4%, p < 0.001) and MS (3.8% vs. 18.5%, p < 0.001) compared to the protein alone group. No significant alterations in clinical status were seen in either group. CONCLUSION P+BCAA+Vit.D supplementation is more effective than protein alone in determining FM loss and is associated with a lower decrease in FFM and MS, without interfering with clinical status in patients 1 month after SG.
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Affiliation(s)
- Luigi Schiavo
- Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, University of Salerno, 84081 Baronissi, Italy;
- NBFC—National Biodiversity Future Center, 90133 Palermo, Italy
| | - Biagio Santella
- Department of Medicine, Surgery and Dentistry “Scuola Medica Salernitana”, University of Salerno, 84081 Baronissi, Italy;
- NBFC—National Biodiversity Future Center, 90133 Palermo, Italy
| | - Barbara Paolini
- Department of Innovation, Experimentation and Clinical Research, Unit of Dietetics and Clinical Nutrition, Santa Maria Alle Scotte Hospital, University of Siena, 53100 Siena, Italy; (B.P.); (B.M.); (K.G.)
| | - Farnaz Rahimi
- Dietetic Unit, Città della Salute e della Scienza Hospital, 10126 Turin, Italy; (F.R.); (S.B.)
| | - Emmanuele Giglio
- Department of Bariatric Surgery, Clinical Institute “Beato Matteo”, 27029 Vigevano, Italy; (E.G.); (L.B.); (M.P.B.)
| | - Barbara Martinelli
- Department of Innovation, Experimentation and Clinical Research, Unit of Dietetics and Clinical Nutrition, Santa Maria Alle Scotte Hospital, University of Siena, 53100 Siena, Italy; (B.P.); (B.M.); (K.G.)
| | - Stefano Boschetti
- Dietetic Unit, Città della Salute e della Scienza Hospital, 10126 Turin, Italy; (F.R.); (S.B.)
| | - Lilia Bertolani
- Department of Bariatric Surgery, Clinical Institute “Beato Matteo”, 27029 Vigevano, Italy; (E.G.); (L.B.); (M.P.B.)
| | - Katia Gennai
- Department of Innovation, Experimentation and Clinical Research, Unit of Dietetics and Clinical Nutrition, Santa Maria Alle Scotte Hospital, University of Siena, 53100 Siena, Italy; (B.P.); (B.M.); (K.G.)
| | - Simone Arolfo
- General Surgery, Department of Surgical Sciences, University of Turin, 10126 Turin, Italy;
| | - Maria Paola Bertani
- Department of Bariatric Surgery, Clinical Institute “Beato Matteo”, 27029 Vigevano, Italy; (E.G.); (L.B.); (M.P.B.)
| | - Vincenzo Pilone
- Public Health Department, University of Naples Federico II, 80131 Naples, Italy;
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3
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Czarnecka P, Czarnecka K, Tronina O. Unexpectedly Rapid Onset of Severe Sarcopenia in an Elderly Diabetic Man following SGLT2i Administration: A Case Report. J Clin Med 2024; 13:2828. [PMID: 38792369 PMCID: PMC11121918 DOI: 10.3390/jcm13102828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2024] [Revised: 05/02/2024] [Accepted: 05/08/2024] [Indexed: 05/26/2024] Open
Abstract
Sarcopenia is characterized by the progressive loss of muscle mass, strength, and function and poses a significant health challenge among people with diabetes. Sodium-glucose cotransporter-2 inhibitors (SGLT2is) are the backbone of type 2 diabetes treatment. The interplay between SGLT2is and sarcopenia is an area of active research with inconclusive results. This article presents an unexpectedly rapid weight reduction, along with physical performance deterioration, in an elderly patient with type 2 diabetes, which led to treatment discontinuation. A bioelectrical impedance analysis confirmed severe sarcopenia development. Until more data are available, sarcopenia and body composition screening and monitoring may be warranted whenever SGLT2is are prescribed.
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Affiliation(s)
- Paulina Czarnecka
- Department of Transplantology, Immunology, Nephrology and Internal Diseases, Medical University of Warsaw, 02-006 Warsaw, Poland
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Griffin SB, Palmer MA, Strodl E, Lai R, Chuah TL, Burstow MJ, Ross LJ. Preoperative dietitian-led Very Low Calorie Diet (VLCD) Clinic for adults living with obesity undergoing gynaecology, laparoscopic cholecystectomy and hernia repair procedures: a pilot parallel randomised controlled trial. Br J Nutr 2024; 131:1436-1446. [PMID: 38220220 PMCID: PMC10950445 DOI: 10.1017/s0007114524000114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 12/05/2023] [Accepted: 01/08/2024] [Indexed: 01/16/2024]
Abstract
Obesity can increase the risk of postoperative complications. Despite increased demand for patients living with obesity to lose weight prior to common surgical procedures, the impact of intentional weight loss on surgical outcomes is largely unknown. We aimed to conduct a pilot study to assess the feasibility of a full-scale randomised controlled trial (RCT) to examine the effect of preoperative dietitian-led Very Low Calorie Diet (VLCD) Clinic on surgical outcomes in gynaecology and general surgeries. Between August 2021 and January 2023, a convenience sample of adults living with obesity (BMI ≥ 30 kg/m2) awaiting gynaecology, laparoscopic cholecystectomy and ventral hernia repair procedures were randomised to dietitian-led VLCD (800-1000 kcal using meal replacements and allowed foods), or control (no dietary intervention), 2-12 weeks preoperatively. Primary outcome was feasibility (recruitment, adherence, safety, attendance, acceptability and quality of life (QoL)). Secondary outcomes were anthropometry and 30-d postoperative outcomes. Outcomes were analysed as intention-to-treat. Fifty-one participants were recruited (n 23 VLCD, n 28 control), mean 48 (sd 13) years, 86 % female, and mean BMI 35·8 (sd 4·6) kg/m2. Recruitment was disrupted by COVID-19, but other thresholds for feasibility were met for VLCD group: high adherence without unfavourable body composition change, high acceptability, improved pre/post QoL (22·1 ± 15 points, < 0·001), with greater reductions in weight (-5·5 kg VLCD v. -0·9 kg control, P < 0·05) waist circumference (-6·6 cm VLCD v. +0·6 control, P < 0·05) and fewer 30-d complications (n 4/21) than controls (n 8/22) (P > 0·05). The RCT study design was deemed feasible in a public hospital setting. The dietitian-led VLCD resulted in significant weight loss and waist circumference reduction compared with a control group, without unfavourable body composition change and improved QoL.
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Affiliation(s)
- Sally B. Griffin
- Department of Nutrition & Dietetics, Logan Hospital, Meadowbrook, QLD, Australia
- School of Exercise and Nutrition Sciences, Queensland University of Technology, Brisbane, QLD, Australia
| | - Michelle A. Palmer
- Department of Nutrition & Dietetics, Logan Hospital, Meadowbrook, QLD, Australia
| | - Esben Strodl
- School of Psychology and Counselling, Queensland University of Technology, Brisbane, QLD, Australia
| | - Rainbow Lai
- Department of Nutrition & Dietetics, Logan Hospital, Meadowbrook, QLD, Australia
| | - Teong L. Chuah
- Surgical and Critical Care Services, Logan Hospital, Meadowbrook, QLD, Australia
- Department of Surgery, Mater Hospital, South Brisbane, QLD, Australia
- Mayne Academy of Surgery, Faculty of Medicine, University of Queensland, St Lucia, QLD, Australia
| | - Matthew J. Burstow
- Surgical and Critical Care Services, Logan Hospital, Meadowbrook, QLD, Australia
- School of Medicine and Dentistry, Griffith University, Gold Coast, QLD, Australia
| | - Lynda J. Ross
- School of Exercise and Nutrition Sciences, Queensland University of Technology, Brisbane, QLD, Australia
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Bezerra A, Boppre G, Freitas L, Battista F, Duregon F, Faggian S, Busetto L, Ermolao A, Fonseca H. Body Composition Changes in Adolescents Who Underwent Bariatric Surgery: A Systematic Review and Meta-analysis. Curr Obes Rep 2024; 13:107-120. [PMID: 38172484 PMCID: PMC10933211 DOI: 10.1007/s13679-023-00549-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/05/2023] [Indexed: 01/05/2024]
Abstract
PURPOSE OF REVIEW The purpose of this review and meta-analysis is to characterize the changes in body composition of children and adolescents who underwent bariatric surgery and identify possible negative effects of performing this procedure during pediatric ages. RECENT FINDINGS Bariatric surgery in children and adolescents is an emerging strategy to promote higher and faster body weight and fat mass losses. However, possible negative effects usually observed in surgical patients' muscle-skeletal system raise a major concern perform this intervention during growth. Despite these possible issues, most experimental studies and reviews analyze bariatric surgery's effectiveness only by assessing anthropometric outcomes such as body weight and BMI, disregarding the short- and long-term impact of bariatric surgery on all body composition outcomes. Bariatric surgery is effective to reduce fat mass in adolescents, as well as body weight, waist circumference, and BMI. Significant reduction in lean mass and fat-free mass is also observed. Bone mass seems not to be impaired. All outcomes reduction were observed only in the first 12 months after surgery. Sensitivity analysis suggests possible sex and type of surgery-related differences, favoring a higher fat mass, body weight, and BMI losses in boys and in patients who underwent RYGB.
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Affiliation(s)
- Andréa Bezerra
- Research Centre in Physical Activity, Health and Leisure (CIAFEL), Faculty of Sport, University of Porto, Porto, Portugal
- Laboratory for Integrative and Translational Research in Population Health (ITR), Porto, Portugal
| | - Giorjines Boppre
- Research Centre in Physical Activity, Health and Leisure (CIAFEL), Faculty of Sport, University of Porto, Porto, Portugal
- Laboratory for Integrative and Translational Research in Population Health (ITR), Porto, Portugal
- Human Motricity Research Center, University Adventista, Chillean, Chile
| | - Laura Freitas
- Research Centre in Physical Activity, Health and Leisure (CIAFEL), Faculty of Sport, University of Porto, Porto, Portugal
- Laboratory for Integrative and Translational Research in Population Health (ITR), Porto, Portugal
| | - Francesca Battista
- Sports and Exercise Medicine Division, Department of Medicine, University of Padova, Padova, Italy.
| | - Federica Duregon
- Sports and Exercise Medicine Division, Department of Medicine, University of Padova, Padova, Italy
| | - Sara Faggian
- Sports and Exercise Medicine Division, Department of Medicine, University of Padova, Padova, Italy
| | - Luca Busetto
- Department of Medicine, University of Padova, Padova, Italy
| | - Andrea Ermolao
- Sports and Exercise Medicine Division, Department of Medicine, University of Padova, Padova, Italy
- Clinical Network of Sports and Exercise Medicine of the Veneto Region, Padova, Italy
| | - Hélder Fonseca
- Research Centre in Physical Activity, Health and Leisure (CIAFEL), Faculty of Sport, University of Porto, Porto, Portugal
- Laboratory for Integrative and Translational Research in Population Health (ITR), Porto, Portugal
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6
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Gao B, Zhou Z, Chen J, Zhang S, Jin S, Yang W, Lei Y, Wang K, Li J, Zhuang Y. Aminopeptidase O Protein mediates the association between Lachnospiraceae and appendicular lean mass. Front Microbiol 2024; 15:1325466. [PMID: 38384268 PMCID: PMC10879621 DOI: 10.3389/fmicb.2024.1325466] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Accepted: 01/25/2024] [Indexed: 02/23/2024] Open
Abstract
Objective Investigating the causal relationship between Lachnospiraceae and Appendicular lean mass (ALM) and identifying and quantifying the role of Aminopeptidase O Protein (AOPEP) as a potential mediator. Methods The summary statistics data of gut microbiota composition from the largest available genome-wide association study (GWAS) meta-analysis conducted by the MiBioGen Consortium (n = 13,266). Appendicular lean mass data were obtained from the UK-Biobank (n = 450,243). We conducted bidirectional two-sample Mendelian randomization (MR) analysis using summary-level data from GWAS to investigate the causal relationship between Lachnospiraceae and ALM. Additionally, we employed a drug-targeted MR approach to assess the causal relationship between AOPEP and ALM. Finally, a two-step MR was employed to quantitatively estimate the proportion of the effect of Lachnospiraceae on ALM that is mediated by AOPEP. Cochran's Q statistic was used to quantify heterogeneity among instrumental variable estimates. Results In the MR analysis, it was found that an increase in genetically predicted Lachnospiraceae [OR = 1.031, 95% CI (1.011-1.051), P = 0.002] is associated with an increase in ALM. There is no strong evidence to suggest that genetically predicted ALM has an impact on Lachnospiraceae genus [OR = 1.437, 95% CI (0.785-2.269), P = 0.239]. The proportion of genetically predicted Lachnospiraceae mediated by AOPEP was 34.2% [95% CI (1.3%-67.1%)]. Conclusion Our research reveals that increasing Lachnospiraceae abundance in the gut can directly enhance limb muscle mass and concurrently suppress AOPEP, consequently mitigating limb muscle loss. This supports the potential therapeutic modulation of gut microbiota for sarcopenia. Interventions such as drug treatments or microbiota transplantation, aimed at elevating Lachnospiraceae abundance and AOPEP inhibition, synergistically improve sarcopenia in the elderly, thereby enhancing the overall quality of life for older individuals.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Yan Zhuang
- Department of Pediatric Surgery, Qilu Hospital of Shandong University, Jinan, Shandong, China
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7
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Pathak K, Zhao Y, Calton EK, James AP, Newsholme P, Sherriff J, Soares MJ. The impact of leucine supplementation on body composition and glucose tolerance following energy restriction: an 8-week RCT in adults at risk of the metabolic syndrome. Eur J Clin Nutr 2024; 78:155-162. [PMID: 37923932 PMCID: PMC10853066 DOI: 10.1038/s41430-023-01360-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 10/05/2023] [Accepted: 10/11/2023] [Indexed: 11/06/2023]
Abstract
BACKGROUND L-Leucine (Leu) supplementation may benefit fat-free mass (FFM) per se and glucose metabolism. OBJECTIVES To determine whether Leu supplementation during energy restriction blunted the loss of FFM, enhanced the loss of fat mass (FM) and improved glucose tolerance. DESIGN Thirty-seven adults, aged 20-65 years, with increased waist circumference and at least one other metabolic syndrome (MetS) component, were selected. We employed a two-arm parallel, double blind, randomized control trial (RCT) design. Participants were randomly assigned to an intervention group (leucine - 3 g/d) or placebo (lactose - 2.67 g/d), while following an individualised energy restricted diet for an 8-week period. Detailed body composition (DEXA), oral glucose tolerance test (OGTT), insulin and components of MetS were measured before and after the trial. Analysis of covariance (ANCOVA) assessed the effect of Leu on an intention-to-treat (ITT) principle. Bootstrapping method with 1000 bootstrap samples was used to derive parameter estimates, standard errors, p-values, and 95% confidence intervals for all outcomes. RESULTS Adjusted for baseline values and other covariates, FFM (p = 0.045) and lean tissue mass (LTM) (p = 0.050) were significantly higher following Leu. These outcomes were modified by a significant treatment x sex interaction that indicated Leu had the greater effect in men. However, on adjustment for body composition changes, there was no difference in insulin sensitivity, oral glucose tolerance, or change in MetS components following Leu. CONCLUSION Short-term leucine supplementation during energy restriction resulted in a greater preservation of FFM and LTM particularly in men, but did not impact glucose metabolism.
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Affiliation(s)
- Kaveri Pathak
- Curtin School of Population Health, Curtin University, Bentley Campus, Perth, WA, 6102, Australia.
| | - Yun Zhao
- Curtin School of Population Health, Curtin University, Bentley Campus, Perth, WA, 6102, Australia
| | - Emily K Calton
- Curtin School of Population Health, Curtin University, Bentley Campus, Perth, WA, 6102, Australia
| | - Anthony P James
- Curtin School of Population Health, Curtin University, Bentley Campus, Perth, WA, 6102, Australia
| | - Philip Newsholme
- Curtin Medical School, Curtin University, Bentley Campus, Perth, WA, 6102, Australia
| | - Jill Sherriff
- Curtin School of Population Health, Curtin University, Bentley Campus, Perth, WA, 6102, Australia
| | - Mario J Soares
- Curtin School of Population Health, Curtin University, Bentley Campus, Perth, WA, 6102, Australia.
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8
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Couvert A, Lacaze L, Touboulic S, Gautier S, Guérin S, Randuineau G, Romé V, Malbert CH, Val-Laillet D, Derbré F, Thibault R. The Yucatan minipig model: A new preclinical model of malnutrition in obese patients with acute or chronic diseases. Clin Nutr 2024; 43:357-365. [PMID: 38142480 DOI: 10.1016/j.clnu.2023.12.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 11/29/2023] [Accepted: 12/04/2023] [Indexed: 12/26/2023]
Abstract
BACKGROUND & AIMS Malnutrition can develop in patients with obesity suffering from acute or chronic illness or after obesity surgery, promoting sarcopenic obesity. A better understanding of this pathophysiology and the development of new therapeutics for chronic diseases, that are often complicated with malnutrition and obesity, justify the development of new animal experimental models close to the human physiology. This study aims to characterize the effects of obesity and underfeeding on Yucatan obese minipigs, assessing its validity as a preclinical model for obesity-related malnutrition. METHODS Sixteen 30-month-old Yucatan minipigs were divided into two groups for 8 weeks: a standard diet group (ST, n = 5) and an obesogenic diet group (OB, n = 11). After 8 weeks, the OB group was further divided into two sub-groups: a standard diet group (OB-ST, n = 5) and a low-calorie/low-protein diet group (OB-LC/LP, n = 6) for 8 weeks. Body composition by CT-Scan and blood parameters were monitored, and trapezius muscle biopsies were collected to analyse signaling pathways involved in protein turnover and energy metabolism. RESULTS At W8, OB-ST animals exhibited significantly higher body weight (+37.7%, p = 0.03), muscle mass (+24.9%, p = 0.02), and visceral fat (+192.0%, p = 0.03) compared to ST. Trapezius cross sectional area (CSA) normalized to body weight was lower in OB-ST animals (-15.02%, p = 0.017). At W16, no significant changes were observed in protein turnover markers, although REDD1 increased in OB-ST (96.4%, p = 0.02). After 8 weeks of low-caloric/low protein diet, OB-LC/LP showed decreased body weight (-9.8%, p = 0.03), muscle mass (-6.5%, p = 0.03), and visceral fat (-41.5%, p = 0.03) compared to OB-ST animals. Trapezius fiber CSA significantly decreased in OB-LC/LP (-36.1%, p < 0.0001) and normalized to body weight (-25.4%, p < 0.0001), combined to higher ubiquitinated protein content (+38.3%, p = 0.02). CONCLUSION Our data support that the Yucatan minipig model mimics nutritional and skeletal muscle phenotypes observed in obese patients, with or without protein-energy malnutrition. It also reproduces muscle atrophy observed in chronic diseases or post-obesity surgery, making it a promising preclinical model for obesity-related malnutrition.
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Affiliation(s)
- Annaëlle Couvert
- Laboratory "Movement Sport and Health Sciences" EA 7470, University of Rennes, ENS Rennes, 35170 Bruz, France; Service Endocrinologie-Diabétologie-Nutrition, Centre labellisé de nutrition parentérale au domicile, CHU Rennes, Rennes, France
| | - Laurence Lacaze
- Service Endocrinologie-Diabétologie-Nutrition, Centre labellisé de nutrition parentérale au domicile, CHU Rennes, Rennes, France; INRAE, INSERM, Univ Rennes, NuMeCan, Nutrition Metabolisms Cancer, Rennes, France
| | - Steve Touboulic
- INRAE, INSERM, Univ Rennes, NuMeCan, Nutrition Metabolisms Cancer, Rennes, France
| | - Sandrine Gautier
- Laboratory "Movement Sport and Health Sciences" EA 7470, University of Rennes, ENS Rennes, 35170 Bruz, France
| | - Sylvie Guérin
- INRAE, INSERM, Univ Rennes, NuMeCan, Nutrition Metabolisms Cancer, Rennes, France
| | - Gwénaëlle Randuineau
- INRAE, INSERM, Univ Rennes, NuMeCan, Nutrition Metabolisms Cancer, Rennes, France
| | - Véronique Romé
- INRAE, INSERM, Univ Rennes, NuMeCan, Nutrition Metabolisms Cancer, Rennes, France
| | | | - David Val-Laillet
- INRAE, INSERM, Univ Rennes, NuMeCan, Nutrition Metabolisms Cancer, Rennes, France
| | - Frédéric Derbré
- Laboratory "Movement Sport and Health Sciences" EA 7470, University of Rennes, ENS Rennes, 35170 Bruz, France.
| | - Ronan Thibault
- Service Endocrinologie-Diabétologie-Nutrition, Centre labellisé de nutrition parentérale au domicile, CHU Rennes, Rennes, France; INRAE, INSERM, Univ Rennes, NuMeCan, Nutrition Metabolisms Cancer, Rennes, France.
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9
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Heymsfield SB, Yang S, McCarthy C, Brown JB, Martin CK, Redman LM, Ravussin E, Shen W, Müller MJ, Bosy-Westphal A. Proportion of caloric restriction-induced weight loss as skeletal muscle. Obesity (Silver Spring) 2024; 32:32-40. [PMID: 37807154 PMCID: PMC10872987 DOI: 10.1002/oby.23910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 08/09/2023] [Accepted: 08/14/2023] [Indexed: 10/10/2023]
Abstract
OBJECTIVE This study's objective was to develop models predicting the relative reduction in skeletal muscle (SM) mass during periods of voluntary calorie restriction (CR) and to validate model predictions in longitudinally monitored samples. METHODS The model development group included healthy nonexercising adults (n = 897) who had whole-body SM mass measured with magnetic resonance imaging. Model predictions of relative SM changes with CR were evaluated in two longitudinal studies, one 12 to 14 weeks in duration (n = 74) and the other 12 months in duration (n = 26). RESULTS A series of SM prediction models were developed in a sample of 415 males and 482 females. Model-predicted changes in SM mass relative to changes in body weight (i.e., ΔSM/Δbody weight) with a representative model were (mean ± SE) 0.26 ± 0.013 in males and 0.14 ± 0.007 in females (sex difference, p < 0.001). The actual mean proportions of weight loss as SM in the longitudinal studies were 0.23 ± 0.02/0.20 ± 0.06 in males and 0.10 ± 0.02/0.17 ± 0.03 in females, similar to model-predicted values. CONCLUSIONS Nonelderly males and females with overweight and obesity experience respective reductions in SM mass with voluntary CR in the absence of a structured exercise program of about 2 to 2.5 kg and 1 to 1.5 kg per 10-kg weight loss, respectively. These estimates are predicted to be influenced by interactions between age and body mass index in males, a hypothesis that needs future testing.
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Affiliation(s)
- Steven B. Heymsfield
- Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge, LA, USA
| | - Shengping Yang
- Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge, LA, USA
| | - Cassidy McCarthy
- Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge, LA, USA
| | - Jasmin B. Brown
- Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge, LA, USA
| | - Corby K. Martin
- Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge, LA, USA
| | - Leanne M. Redman
- Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge, LA, USA
| | - Eric Ravussin
- Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge, LA, USA
| | - Wei Shen
- Division of Pediatric Gastroenterology, Hepatology, and Nutrition, and Institute of Human Nutrition, Columbia University Irving Medical Center; Columbia Magnetic Resonance Research Center, Columbia University, New York, NY, USA
| | - Manfred J. Müller
- Department of Human Nutrition and Food Science, Christian-Albrecht’s-University of Kiel, Kiel, Germany
| | - Anja Bosy-Westphal
- Department of Human Nutrition and Food Science, Christian-Albrecht’s-University of Kiel, Kiel, Germany
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10
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Wadden TA, Chao AM, Moore M, Tronieri JS, Gilden A, Amaro A, Leonard S, Jakicic JM. The Role of Lifestyle Modification with Second-Generation Anti-obesity Medications: Comparisons, Questions, and Clinical Opportunities. Curr Obes Rep 2023; 12:453-473. [PMID: 38041774 DOI: 10.1007/s13679-023-00534-z] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/22/2023] [Indexed: 12/03/2023]
Abstract
PURPOSE OF REVIEW This review examines lifestyle modification for obesity management with the goal of identifying treatment components that could support the use of a new generation of anti-obesity medications (AOMs). RECENT FINDINGS Semaglutide reliably reduces baseline body weight by approximately 15% at 68 weeks, in contrast to 5-10% for lifestyle modification. Tirzepatide induces mean losses as great as 20.9%. Both medications reduce energy intake by markedly enhancing satiation and decreasing hunger, and they appear to lessen the need for traditional cognitive and behavioral strategies (e.g., monitoring food intake) to achieve calorie restriction. Little, however, is known about whether patients who lose weight with these AOMs adopt healthy diet and activity patterns needed to optimize body composition, cardiometabolic health, and quality of life. When used with the new AOMs, the focus of lifestyle modification is likely to change from inducing weight loss (through calorie restriction) to facilitating patients' adoption of dietary and activity patterns that will promote optimal changes in body composition and overall health.
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Affiliation(s)
- Thomas A Wadden
- Department of Psychiatry, Perelman School of Medicine at the University of Pennsylvania, 3535 Market Street, Suite 3027, Philadelphia, PA, 19104, USA.
| | - Ariana M Chao
- Johns Hopkins University School of Nursing, Baltimore, MD, USA
| | - Molly Moore
- Department of Psychiatry, Perelman School of Medicine at the University of Pennsylvania, 3535 Market Street, Suite 3027, Philadelphia, PA, 19104, USA
| | - Jena S Tronieri
- Department of Psychiatry, Perelman School of Medicine at the University of Pennsylvania, 3535 Market Street, Suite 3027, Philadelphia, PA, 19104, USA
| | - Adam Gilden
- Department of Medicine, University of Colorado School of Medicine, Denver, CO, USA
| | - Anastassia Amaro
- Department of Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Sharon Leonard
- Department of Psychiatry, Perelman School of Medicine at the University of Pennsylvania, 3535 Market Street, Suite 3027, Philadelphia, PA, 19104, USA
| | - John M Jakicic
- Department of Medicine, Medical Center, Kansas University, Kansas City, KS, USA
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11
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Jahangiri S, Malek M, Kalra S, Khamseh ME. The Effects of Sodium-Glucose Cotransporter 2 Inhibitors on Body Composition in Type 2 Diabetes Mellitus: A Narrative Review. Diabetes Ther 2023; 14:2015-2030. [PMID: 37837581 PMCID: PMC10597985 DOI: 10.1007/s13300-023-01481-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/18/2023] [Accepted: 09/25/2023] [Indexed: 10/16/2023] Open
Abstract
Body composition is related to cardiometabolic disorders and is a major driver of the growing incidence of type 2 diabetes mellitus (T2DM). Altered fat distribution and decreased muscle mass are related to dysglycemia and impose adverse health-related outcomes in people with T2DM. Hence, improving body composition and maintaining muscle mass is crucial in T2DM. Sodium-glucose cotransporter 2 (SGLT2) inhibitors are novel glucose-lowering medications gaining popularity because of their cardiorenal-protective effects and weight-lowering characteristics. However, reports on myopathy secondary to SGLT2 inhibitor treatment raised a safety concern. The importance of maintaining muscle mass in people with T2DM necessitates further investigation to explore the impact of novel medications on body composition. In this review, we discussed current evidence on the impact of SGLT2 inhibitors on body composition in people with T2DM.
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Affiliation(s)
- Soodeh Jahangiri
- Endocrine Research Center, Institute of Endocrinology and Metabolism, Iran University of Medical Sciences, Tehran, Iran
| | - Mojtaba Malek
- Research Center for Prevention of Cardiovascular Disease, Institute of Endocrinology & Metabolism, Iran University of Medical Sciences, Tehran, Iran
| | - Sanjay Kalra
- Department of Endocrinology, Bharti Hospital, Karnal, India
- University Center for Research & Development, Chandigarh University, Mohali, India
| | - Mohammad E Khamseh
- Endocrine Research Center, Institute of Endocrinology and Metabolism, Iran University of Medical Sciences, Tehran, Iran.
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12
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Argyrakopoulou G, Fountouli N, Dalamaga M, Kokkinos A. Revisiting Resting Metabolic Rate: What is the Relation to Weight Fluctuations? Curr Obes Rep 2023; 12:502-513. [PMID: 37755607 DOI: 10.1007/s13679-023-00528-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/07/2023] [Indexed: 09/28/2023]
Abstract
PURPOSE OF REVIEW Despite the great progress in obesity-tackling strategies, a negative energy equilibrium between energy expenditure and energy intake remains the cornerstone in obesity management. The present review article aims to shed light on the complicated interrelations of resting metabolic rate to weight fluctuations. RECENT FINDINGS Energy expenditure depends on body composition and is highly affected by weight changes, exerting a significant role in subsequent weight regain and underlining the metabolic resistance that people with obesity face when dealing with weight maintenance. The main tissue involved in energy expenditure is fat-free mass, as opposed to fat mass, which exerts a substantially lower impact. Although people with obesity display higher energy expenditures than their lean counterparts, these decrease substantially in the setting of weight loss. Metabolic adaptation is the difference between measured and predicted RMR after weight loss, either via lifestyle modification or after obesity surgery. Plausible explanations for this include differences in body composition, with loss of fat-free mass playing a significant role. This becomes especially apparent in the setting of rapid and massive weight loss, as in the case of bariatric surgery. A better understanding of energy expenditure pathophysiology may aid in further enhancing weight loss and promoting weight maintenance in people with obesity.
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Affiliation(s)
| | - Nefeli Fountouli
- Diabetes and Obesity Unit, Athens Medical Center, 15125, Athens, Greece
| | - Maria Dalamaga
- Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, Mikras Asias 75, Goudi, 11527, Athens, Greece
| | - Alexander Kokkinos
- First Department of Propaedeutic Internal Medicine, School of Medicine, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece
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13
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Tangjittrong S, Udomsawaengsup S, Boonchaya-anant P. Comparison of Body Composition Variables between Post-Bariatric Surgery Patients and Non-Operative Controls. Clin Med Insights Endocrinol Diabetes 2023; 16:11795514231206731. [PMID: 37860720 PMCID: PMC10583510 DOI: 10.1177/11795514231206731] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 09/25/2023] [Indexed: 10/21/2023] Open
Abstract
Background Since bariatric surgery results in massive weight loss, it may be associated with a disproportionate decrease in lean body mass. Objective To evaluate body composition in post-bariatric surgery patients who had a successful weight loss at 12 months (>50% excess weight loss) with comparisons to healthy controls who were matched for age, sex and BMI. Methods This is an observational analytic study using data from post-bariatric surgery patients who had laparoscopic Roux-en-Y gastric bypass (RYGB) or laparoscopic sleeve gastrectomy (SG) at King Chulalongkorn Memorial Hospital. Patients who had percentage excessive weight loss (%EWL) >50% and achieved a BMI of <30 kg/m2 within 12 months after the surgery were included. Non-operative healthy controls matched for sex, age, and BMI (1:1) were recruited. The 12-month post-bariatric surgery BMI was used to match the BMI of the control subjects. A single bioelectrical impedance analysis (BIA) (Inbody 770) machine was used for the entire study. Results Sixty participants were included in this study. There are 30 post-bariatric surgery patients (female n = 19, male n = 11) and 30 non-operative controls (female n = 19, male n = 11). The 12-month post-bariatric surgery patients had lower percentage of body fat (PBF) (30.6% vs 35.9%, P-value .001) and trunk fat mass (10.3 vs 12.4 kg, P-value .04) than non-operative controls. The 12-month post-bariatric surgery patients also were found to have more soft lean mass (SLM) (47.7 vs 39.9 kg, P-value .001), fat free mass (FFM) (51.1 vs 42.3 kg, P-value .001), skeletal muscle mass (SMM) (27.5 vs 23 kg, P-value .003), and trunk lean mass (21.2 vs 19 kg, P-value .02). Conclusion Despite the significant reductions in all body composition variables in post-bariatric surgery patients at 12-month follow-up, both fat free mass and skeletal muscle mass were found to be higher in the surgical patients compared to the control group. Clinical trials Thai Clinical Trials Registry, https://thaiclinicaltrials.org/ID:TCTR20200223003.
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Affiliation(s)
- Sirinrat Tangjittrong
- Department of Internal Medicine, Rayong Hospital, Rayong, Thailand
- Division of Endocrinology and Metabolism, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Suthep Udomsawaengsup
- Research Unit for Treatment of Obesity and Metabolic Disease, Department of Surgery, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - Patchaya Boonchaya-anant
- Excellence center in Diabetes, Hormone and Metabolism, King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
- Division of Endocrinology and Metabolism, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
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14
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Beavers KM, Avery AE, Shankaran M, Evans WJ, Lynch SD, Dwyer C, Howard M, Beavers DP, Weaver AA, Lenchik L, Cawthon PM. Application of the D 3 -creatine muscle mass assessment tool to a geriatric weight loss trial: A pilot study. J Cachexia Sarcopenia Muscle 2023; 14:2350-2358. [PMID: 37668075 PMCID: PMC10570063 DOI: 10.1002/jcsm.13322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 07/24/2023] [Accepted: 07/31/2023] [Indexed: 09/06/2023] Open
Abstract
BACKGROUND Traditionally, weight loss (WL) trials utilize dual energy X-ray absorptiometry (DXA) to measure lean mass. This method assumes lean mass, as the sum of all non-bone and non-fat tissue, is a reasonable proxy for muscle mass. In contrast, the D3 -creatine (D3 Cr) dilution method directly measures whole body skeletal muscle mass, although this method has yet to be applied in the context of a geriatric WL trial. The purpose of this project was to (1) describe estimates of change and variability in D3 Cr muscle mass in older adults participating in an intentional WL intervention and (2) relate its change to other measures of body composition as well as muscle function and strength. METHODS The INVEST in Bone Health trial (NCT04076618), used as a scaffold for this ancillary pilot project, is a three-armed, 12-month randomized, controlled trial designed to determine the effects of resistance training or weighted vest use during intentional WL on a battery of musculoskeletal health outcomes among 150 older adults living with obesity. A convenience sample of 24 participants (n = 8/arm) are included in this analysis. At baseline and 6 months, participants were weighed, ingested a 30 mg D3 Cr tracer dose, provided a fasted urine sample 3-6 days post-dosage, underwent DXA (total body fat and lean masses, appendicular lean mass) and computed tomography (mid-thigh and trunk muscle/intermuscular fat areas) scans, and performed 400-m walk, stair climb, knee extensor strength, and grip strength tests. RESULTS Participants were older (68.0 ± 4.4 years), mostly White (75.0%), predominantly female (66.7%), and living with obesity (body mass index: 33.8 ± 2.7 kg/m2 ). Six month total body WL was -10.3 (95% confidence interval, CI: -12.7, -7.9) kg. All DXA and computed tomography-derived body composition measures were significantly decreased from baseline, yet D3 Cr muscle mass did not change [+0.5 (95% CI: -2.0, 3.0) kg]. Of muscle function and strength measures, only grip strength significantly changed [+2.5 (95% CI: 1.0, 4.0) kg] from baseline. CONCLUSIONS Among 24 older adults, significant WL with or without weighted vest use or resistance training over a 6-month period was associated with significant declines in all bioimaging metrics, while D3 Cr muscle mass and muscle function and strength were preserved. Treatment assignment for the trial remains blinded; therefore, full interpretation of these findings is limited. Future work in this area will assess change in D3 Cr muscle mass by parent trial treatment group assignment in all study participants.
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Affiliation(s)
- Kristen M. Beavers
- Department of Health and Exercise ScienceWake Forest UniversityWinston‐SalemNorth CarolinaUSA
| | - Allison E. Avery
- Department of Health and Exercise ScienceWake Forest UniversityWinston‐SalemNorth CarolinaUSA
| | | | | | - S. Delanie Lynch
- Department of Biomedical EngineeringWake Forest School of MedicineWinston‐SalemNorth CarolinaUSA
| | - Caitlyn Dwyer
- Department of Health and Exercise ScienceWake Forest UniversityWinston‐SalemNorth CarolinaUSA
| | - Marjorie Howard
- Department of Biostatistics and Data ScienceWake Forest School of MedicineWinston‐SalemNorth CarolinaUSA
| | - Daniel P. Beavers
- Department of Statistical SciencesWake Forest UniversityWinston‐SalemNorth CarolinaUSA
| | - Ashley A. Weaver
- Department of Biomedical EngineeringWake Forest School of MedicineWinston‐SalemNorth CarolinaUSA
| | - Leon Lenchik
- Department of RadiologyWake Forest School of MedicineWinston‐SalemNorth CarolinaUSA
| | - Peggy M. Cawthon
- Research InstituteCalifornia Pacific Medical CenterSan FranciscoCaliforniaUSA
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15
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Nederveen JP, Mastrolonardo AJ, Xhuti D, Di Carlo A, Manta K, Fuda MR, Tarnopolsky MA. Novel Multi-Ingredient Supplement Facilitates Weight Loss and Improves Body Composition in Overweight and Obese Individuals: A Randomized, Double-Blind, Placebo-Controlled Clinical Trial. Nutrients 2023; 15:3693. [PMID: 37686725 PMCID: PMC10490028 DOI: 10.3390/nu15173693] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 08/02/2023] [Accepted: 08/03/2023] [Indexed: 09/10/2023] Open
Abstract
BACKGROUND Despite the growing recognition of the obesity crisis, its rates continue to rise. The current first-line therapies, such as dietary changes, energy restriction, and physical activity, are typically met with poor adherence. Novel nutritional interventions can address the root causes of obesity, including mitochondrial dysfunction, and facilitate weight loss. OBJECTIVE The objective of this study was to investigate the effects of a multi-ingredient nutritional supplement designed to facilitate mitochondrial function and metabolic health outcomes over a 12 wk period. METHODS Fifty-five overweight and/or obese participants (age (mean ± SEM): 26 ± 1; body mass index (BMI) (kg/m2): 30.5 ± 0.6) completed this double-blind, placebo-controlled clinical trial. Participants were randomized to 12 wks of daily consumption of multi-ingredient supplement (MIS; n = 28; containing 50 mg forskolin, 500 mg green coffee bean extract, 500 mg green tea extract, 500 mg beet root extract, 400 mg α-lipoic acid, 200 IU vitamin E, and 200 mg CoQ10) or control placebo (PLA, n = 27; containing microcrystalline cellulose) matched in appearance. The co-primary outcomes were bodyweight and fat mass (kg) changes. The secondary outcomes included other body composition measures, plasma markers of obesity, fatty liver disease biomarkers, resting energy metabolism, blood pressure, physical performance, and quality of life. The post-intervention differences between MIS and PLA were examined via ANCOVA which was adjusted for the respective pre-intervention variables. RESULTS After adjustment for pre-intervention data, there was a significant difference in weight (p < 0.001) and fat mass (p < 0.001) post-intervention between the PLA and MIS treatment arms. Post-intervention weight and fat mass were significantly lower in MIS. Significant post-intervention differences corrected for baseline were found in markers of clinical biochemistry (AST, p = 0.017; ALT, p = 0.008), molecular metabolism (GDF15, p = 0.028), and extracellular vesicle-associated miRNA species miR-122 and miR-34a in MIS (p < 0.05). CONCLUSIONS Following the 12 wks of MIS supplementation, weight and body composition significantly improved, concomitant with improvements in molecular markers of liver health and metabolism.
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Affiliation(s)
- Joshua P. Nederveen
- Department of Pediatrics, Faculty of Health Sciences, McMaster University Medical Center (MUMC), Hamilton, ON L8N 3Z5, Canada; (J.P.N.)
| | - Alexander J. Mastrolonardo
- Department of Pediatrics, Faculty of Health Sciences, McMaster University Medical Center (MUMC), Hamilton, ON L8N 3Z5, Canada; (J.P.N.)
| | - Donald Xhuti
- Department of Pediatrics, Faculty of Health Sciences, McMaster University Medical Center (MUMC), Hamilton, ON L8N 3Z5, Canada; (J.P.N.)
| | - Alessia Di Carlo
- Department of Pediatrics, Faculty of Health Sciences, McMaster University Medical Center (MUMC), Hamilton, ON L8N 3Z5, Canada; (J.P.N.)
| | - Katherine Manta
- Department of Pediatrics, Faculty of Health Sciences, McMaster University Medical Center (MUMC), Hamilton, ON L8N 3Z5, Canada; (J.P.N.)
| | - Matthew R. Fuda
- Department of Pediatrics, Faculty of Health Sciences, McMaster University Medical Center (MUMC), Hamilton, ON L8N 3Z5, Canada; (J.P.N.)
| | - Mark A. Tarnopolsky
- Department of Pediatrics, Faculty of Health Sciences, McMaster University Medical Center (MUMC), Hamilton, ON L8N 3Z5, Canada; (J.P.N.)
- Exerkine Corporation, McMaster University Medical Center (MUMC), Hamilton, ON L8N 3Z5, Canada
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16
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Najafi MT, Sadoogh Abbasian A, Mohammadi H, Abbasi MR, Khatami MR, Ghafari A, Shojamoradi MH. Alteration in body water compartments following intermittent fasting in Ramadan. Front Nutr 2023; 10:1232979. [PMID: 37645631 PMCID: PMC10461004 DOI: 10.3389/fnut.2023.1232979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 08/01/2023] [Indexed: 08/31/2023] Open
Abstract
Concerning the health outcomes of intermittent fasting in Ramadan, loss of fat-free mass (FFM) and changes in the content of body water are of paramount importance. In this study, we aimed to assess the concomitant alterations in body water compartment and composition following Ramadan fasting in healthy individuals. We conducted an open-label cohort with longitudinal follow-up, involving 73 healthy medical staff who planned to fast for at least 20 consecutive days during Ramadan. The primary outcomes of the cohort were changes in parameters related to body composition and water content, which were measured using bioelectrical impedance analysis by InBody S10 (InBody, Seoul, South Korea). Based on the results, the participants' weight decreased significantly by approximately 1,030 g after the fasting period (p < 0.001). There was a significant reduction in the fat mass of an average 828 g (p < 0.001), which accounted for more than 80% of the weight loss. The decline in FFM was not significant (190 g; p = 0.234). The amount of total body water (TBW) and extracellular water (ECW) did not change, while intracellular water (ICW) decreased significantly by about 160 mL (p = 0.027). A strong correlation was observed between the reduction of phase angle and the increase in ECW/TBW ratio (R = -0.71, p < 0.001). Overall, our findings revealed a minimal amount of weight loss after Ramadan fasting, which was mainly due to the loss of fat mass. The parallel decrease in ICW and phase angle indicated impaired cell membrane integrity, with subsequent movement of water from the intracellular to the extracellular compartment.
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Affiliation(s)
| | - Ali Sadoogh Abbasian
- Nephrology Research Center, Tehran University of Medical Sciences, Tehran, Iran
- Department of Internal Medicine, Arak University of Medical Sciences, Arak, Iran
| | - Hamed Mohammadi
- Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | | | | | - Ali Ghafari
- Nephrology Research Center, Tehran University of Medical Sciences, Tehran, Iran
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17
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Nuijten MAH, Eijsvogels TMH, Sanders B, Vriese LM, Monpellier VM, Hazebroek EJ, Janssen IMC, Hopman MTE. Changes in Fat-Free Mass, Protein Intake and Habitual Physical Activity Following Roux-en-Y Gastric Bypass Surgery: A Prospective Study. Obes Surg 2023; 33:2148-2157. [PMID: 37249699 PMCID: PMC10228447 DOI: 10.1007/s11695-023-06650-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 05/05/2023] [Accepted: 05/12/2023] [Indexed: 05/31/2023]
Abstract
PURPOSE Large inter-individual variations in post-bariatric fat-free mass loss (FFML) are observed, which might relate to differences in protein intake and physical activity across patients. We performed repetitive assessments of protein intake and physical activity before and after banded Roux-en-Y gastric bypass surgery, and examined its relations to FFML during 6 months of follow-up. MATERIALS AND METHODS FFML (bio-impedance analyses), protein intake (24-h dietary recalls) and moderate-to-vigorous physical activity (MVPA; activPAL) were assessed in 28 patients (4 males, age 42 ± 12 years) before surgery and at 1-, 3- and 6-months post-surgery. Changes in protein intake and MVPA were evaluated with mixed model analysis, whereas associations with FFML were assessed by univariate regression analysis. RESULTS Six-month FFML was -7.3 ± 3.6 kg. Protein intake decreased from 80 ± 29 g/day (pre-surgery) to 45 ± 26 g/day (1 month post-surgery (P < 0.001)) and did not improve thereafter (51 ± 21 g/day; P > 0.05). Seven participants (25%) consumed ≥ 60 g protein/day at 6 months post-surgery. Participants performed 7394 ± 2420 steps/day in 54 ± 20 min/day of MVPA, which did not change from pre- to post-surgery (P > 0.05). A higher step count (B = -0.002; 95%CI = [-0.004 - 0.000]; P = 0.048) and higher level of MVPA (B = -0.29; 95%CI = [-0.54 - -0.03]; P = 0.018) were related to a lower FFML. CONCLUSION A lower post-surgery FFML was attributable to higher MVPA levels but not protein intake. This may be due to the low total protein intake and the observation that only a minority of patients achieved a protein intake ≥ 60 g/day. Future studies should focus on interventions to increase post-bariatric protein intake and MVPA levels.
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Affiliation(s)
- Malou A H Nuijten
- Department of Medical BioSciences (Route 928), Radboud University Medical Center, P.O. Box 1901, 6500 HB, Nijmegen, The Netherlands
- Nederlandse Obesitas Kliniek, Huis Ter Heide, The Netherlands
| | - Thijs M H Eijsvogels
- Department of Medical BioSciences (Route 928), Radboud University Medical Center, P.O. Box 1901, 6500 HB, Nijmegen, The Netherlands
| | - Boy Sanders
- Nederlandse Obesitas Kliniek, Huis Ter Heide, The Netherlands
| | - Laura M Vriese
- Department of Medical BioSciences (Route 928), Radboud University Medical Center, P.O. Box 1901, 6500 HB, Nijmegen, The Netherlands
| | | | - Eric J Hazebroek
- Department of Surgery, Rijnstate Hospital/Vitalys Clinics, Arnhem, The Netherlands
| | | | - Maria T E Hopman
- Department of Medical BioSciences (Route 928), Radboud University Medical Center, P.O. Box 1901, 6500 HB, Nijmegen, The Netherlands.
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18
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Kohl J, Brame J, Centner C, Wurst R, Fuchs R, Sehlbrede M, Tinsel I, Maiwald P, Fichtner UA, Armbruster C, Farin-Glattacker E, Gollhofer A, König D. Effects of a Web-Based Lifestyle Intervention on Weight Loss and Cardiometabolic Risk Factors in Adults With Overweight and Obesity: Randomized Controlled Clinical Trial. J Med Internet Res 2023; 25:e43426. [PMID: 37368484 DOI: 10.2196/43426] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 03/17/2023] [Accepted: 04/20/2023] [Indexed: 06/28/2023] Open
Abstract
BACKGROUND The high proportion of people with overweight and obesity has become a worldwide problem in recent decades, mainly due to health consequences, such as cardiovascular diseases, neoplasia, and type 2 diabetes mellitus. Regarding effective countermeasures, the digitization of health services offers numerous potentials, which, however, have not yet been sufficiently evaluated. Web-based health programs are becoming increasingly interactive and can provide individuals with effective long-term weight management support. OBJECTIVE The purpose of this randomized controlled clinical trial was to evaluate the effectiveness of an interactive web-based weight loss program on anthropometric, cardiometabolic, and behavioral variables and to compare it with a noninteractive web-based weight loss program. METHODS The randomized controlled trial included people who were aged between 18 and 65 years (mean 48.92, SD 11.17 years) and had a BMI of 27.5 to 34.9 kg/m2 (mean 30.71, SD 2.13 kg/m2). Participants (n=153) were assigned to either (1) an interactive and fully automated web-based health program (intervention) or (2) a noninteractive web-based health program (control). The intervention program focused on dietary energy density and allowed for dietary documentation with appropriate feedback on energy density and nutrients. The control group only received information on weight loss and energy density, but the website did not contain interactive content. Examinations were performed at baseline (t0), at the end of the 12-week intervention (t1), and at 6 months (t2) and 12 months (t3) thereafter. The primary outcome was body weight. The secondary outcomes were cardiometabolic variables as well as dietary and physical activity behaviors. Robust linear mixed models were used to evaluate the primary and secondary outcomes. RESULTS The intervention group showed significant improvements in anthropometric variables, such as body weight (P=.004), waist circumference (P=.002), and fat mass (P=.02), compared with the control group over the course of the study. The mean weight loss after the 12-month follow-up was 4.18 kg (4.7%) in the intervention group versus 1.29 kg (1.5%) in the control group compared with the initial weight. The results of the nutritional analysis showed that the energy density concept was significantly better implemented in the intervention group. Significant differences in cardiometabolic variables were not detected between the 2 groups. CONCLUSIONS The interactive web-based health program was effective in reducing body weight and improving body composition in adults with overweight and obesity. However, these improvements were not associated with relevant changes in cardiometabolic variables, although it should be noted that the study population was predominantly metabolically healthy. TRIAL REGISTRATION German Clinical Trials Register DRKS00020249; https://drks.de/search/en/trial/DRKS00020249. INTERNATIONAL REGISTERED REPORT IDENTIFIER (IRRID) RR2-10.3390/ijerph19031393.
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Affiliation(s)
- Jan Kohl
- Department of Sport and Sport Science, University of Freiburg, Freiburg, Germany
| | - Judith Brame
- Department of Sport and Sport Science, University of Freiburg, Freiburg, Germany
| | - Christoph Centner
- Department of Sport and Sport Science, University of Freiburg, Freiburg, Germany
| | - Ramona Wurst
- Department of Sport and Sport Science, University of Freiburg, Freiburg, Germany
| | - Reinhard Fuchs
- Department of Sport and Sport Science, University of Freiburg, Freiburg, Germany
| | - Matthias Sehlbrede
- Section of Health Care Research and Rehabilitation Research (SEVERA), Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Iris Tinsel
- Section of Health Care Research and Rehabilitation Research (SEVERA), Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Phillip Maiwald
- Section of Health Care Research and Rehabilitation Research (SEVERA), Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Urs Alexander Fichtner
- Section of Health Care Research and Rehabilitation Research (SEVERA), Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Christoph Armbruster
- Section of Health Care Research and Rehabilitation Research (SEVERA), Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Erik Farin-Glattacker
- Section of Health Care Research and Rehabilitation Research (SEVERA), Medical Center, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Albert Gollhofer
- Department of Sport and Sport Science, University of Freiburg, Freiburg, Germany
| | - Daniel König
- Department of Sport and Sport Science, University of Freiburg, Freiburg, Germany
- Department of Sport Science, Institute for Nutrition, Exercise and Health, University of Vienna, Vienna, Austria
- Department of Nutritional Sciences, Institute for Nutrition, Exercise and Health, University of Vienna, Vienna, Austria
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19
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Eglseer D, Traxler M, Embacher S, Reiter L, Schoufour JD, Weijs PJ, Voortman T, Boirie Y, Cruz-Jentoft A, Bauer S. Nutrition and exercise interventions to improve body composition for persons with overweight or obesity near retirement age: A systematic review and network meta-analysis of randomised controlled trials. Adv Nutr 2023; 14:516-538. [PMID: 37028708 DOI: 10.1016/j.advnut.2023.04.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 03/16/2023] [Accepted: 04/03/2023] [Indexed: 04/09/2023] Open
Abstract
The retirement phase is an opportunity to integrate healthy (nutrition/exercise) habits into daily life. We conducted this systematic review to assess which nutrition and exercise interventions most effectively improve body composition (fat/muscle mass), body mass index (BMI) and waist circumference (WC) in persons with obesity/overweight near retirement age (ages 55-70). We conducted a systematic review and network-meta-analysis (NMA) of randomised controlled trials, searching four databases from their inception up to 12 July 2022. The NMA was based on a random effects model, pooled mean differences, standardised mean differences, their 95% confidence intervals, and correlations with multi-arm studies. Subgroup and sensitivity analyses were also conducted. 92 studies were included, 66 of which with 4957 participants could be used for the NMA. Identified interventions were clustered into 12 groups: no intervention, energy restriction (i.e. 500-1000 kcal), energy restriction plus high protein (HP) intake (1.1-1.7 g/kg/body weight), intermittent fasting, mixed exercise (aerobic and resistance), resistance training (RT), aerobic training (AT), HP plus RT, energy restriction plus HP plus exercise, energy restriction plus RT, energy restriction plus AT, and energy restriction plus mixed exercise (ME). Intervention durations ranged from 8 weeks to 6 months. Body fat was reduced with energy restriction plus any exercise or plus HP intake. Energy restriction alone was less effective and tended to decrease muscle mass. Muscle mass was only significantly increased with ME. All other interventions including exercise effectively preserved muscle mass. A BMI and/or WC decrease was achieved with all interventions except AT/RT alone or RT plus HP. Overall, the most effective strategy for nearly all outcomes was combining energy restriction with RT or ME and HP. Healthcare professionals involved in the management of persons with obesity need to be aware that an energy-restricted diet alone may contribute to sarcopenic obesity in persons near retirement age. This network meta-analysis is registered at https://www.crd.york.ac.uk/prospero/as CRD42021276465.
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Affiliation(s)
- Doris Eglseer
- Medical University of Graz, Institute of Nursing Science, Universitätsplatz 4, 8010 Graz, Austria.
| | - Mariella Traxler
- Medical University of Graz, Institute of Nursing Science, Universitätsplatz 4, 8010 Graz, Austria.
| | - Stefan Embacher
- Medical University of Graz, Institute for Medical Informatics, Statistics and Documentation, Auenbruggerplatz 2, 8036 Graz.
| | - Lea Reiter
- Medical University of Graz, Institute of Nursing Science, Universitätsplatz 4, 8010 Graz, Austria
| | - Josje D Schoufour
- Faculty of Sports and Nutrition, Centre of Expertise Urban Vitality, Amsterdam University of Applied Sciences, Dr. Meurerhuis, Dokter Meurerlaan 8, 1067 SM Amsterdam, the Netherlands.
| | - Peter Jm Weijs
- Faculty of Sports and Nutrition, Centre of Expertise Urban Vitality, Amsterdam University of Applied Sciences, Dr. Meurerhuis, Dokter Meurerlaan 8, 1067 SM Amsterdam, the Netherlands; Department of Nutrition and Dietetics, Amsterdam University Medical Centers, Amsterdam Public Health Institute, VU University, Amsterdam, the Netherlands.
| | - Trudy Voortman
- Division of Human Nutrition and Health, Wageningen University & Research, Wageningen, P.O. Box 176700 AA Wageningen, The Netherlands; Department of Epidemiology, Erasmus MC University Medical Center Rotterdam, Dr. Molewaterplein 40, 3015 GD Rotterdam, the Netherlands.
| | - Yves Boirie
- University Clermont Auvergne, Human Nutrition Unit, INRA, CRNH Auvergne, CHU Clermont-Ferrand, Clinical Nutrition Department, 63000, Clermont-Ferrand, France.
| | - Alfonso Cruz-Jentoft
- Servicio de Geriatría, Hospital Universitario Ramón y Cajal (IRYCIS), Spain, Ctra. Colmenar Viejo, 28034 Madrid.
| | - Silvia Bauer
- Medical University of Graz, Institute of Nursing Science, Universitätsplatz 4, 8010 Graz, Austria.
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20
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Martins C, S N, Sr C, Jf R, Hunter GR, Gower BA. Association between fat-free mass loss, changes in appetite and weight regain in individuals with obesity. J Nutr 2023; 153:1330-1337. [PMID: 36963504 DOI: 10.1016/j.tjnut.2023.03.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Revised: 03/16/2023] [Accepted: 03/21/2023] [Indexed: 03/26/2023] Open
Abstract
BACKGROUND The role of fat-free mass loss (FFML) in modulating weight regain, in individuals with obesity, as well as the potential mechanisms involved, remain inconsistent. AIMS To determine if % FFML following weight loss (WL) is a predictor of weight regain, and to investigate the association between %FFML and changes in appetite markers. METHODS Seventy individuals with obesity (BMI: 36±4kg/m2; age: 44±9 years; 29 males) underwent 8 weeks of a very low-energy diet (550-660 kcal/day), followed by 4 weeks of gradual refeeding and weight stabilization, and a 9-month maintenance program (eucaloric diet). Body weight and body composition (fat mass (FM) and FFM) (primary outcomes), as well as ß-hydroxybutyrate (ßHB) plasma concentration (a marker of ketosis) in fasting and appetite-related hormones (ghrelin, glucagon-like peptide 1, peptide YY, and cholecystokinin) and subjective appetite feelings, in fasting and every 30 minutes after a fixed breakfast for 2.5h (secondary outcomes), were measured at baseline, week 9 and 1 year (and week 13 in 35 subjects (25 males)). The association between FFML, weight regain and changes in appetite was assessed by linear regression. RESULTS WL at week 9 was 17.5±4.3kg and %FFML 20.4±10.6%. Weight regain at 1 year was 1.7±8.2kg (8.8±45.0%). After adjusting for WL and FM at baseline, %FFML at week 9 was not a significant predictor of weight regain. Similar results were seen at week 13. The greater the %FFML at week 9, but not 13, the smaller the reduction, or greater the increase in basal ghrelin concentration (ß:-3.2; 95% CI: -5.0, -1.1; P=0.003), even after adjusting for WL and ß-hydroxybutyrate. CONCLUSION %FFML was not a significant predictor of weight regain at 1-year in individuals with obesity. However, a greater %FFML was accompanied by a greater increase in ghrelin secretion under ketogenic conditions, suggesting a link between FFM and appetite regulation. CLINICAL TRIAL REGISTRATION ClinicalTrials.gov identifier NCT01834859.
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Affiliation(s)
- Catia Martins
- Department of Nutrition Sciences, University of Alabama at Birmingham (UAB), USA; Obesity Research Group, Department of Clinical and Molecular Medicine, Faculty of Medicine, Norwegian University of Science and Technology (NTNU), Trondheim, Norway; Centre for Obesity and Innovation (ObeCe), Clinic of Surgery, St. Olav University Hospital, Trondheim, Norway.
| | - Nymo S
- Obesity Research Group, Department of Clinical and Molecular Medicine, Faculty of Medicine, Norwegian University of Science and Technology (NTNU), Trondheim, Norway; Nord-Trøndelag Hospital Trust, Clinic of Surgery, Namsos Hospital, Norway
| | - Coutinho Sr
- Obesity Research Group, Department of Clinical and Molecular Medicine, Faculty of Medicine, Norwegian University of Science and Technology (NTNU), Trondheim, Norway; Department of Public Health Nutrition, Institute of Basic Medical Sciences, Faculty of Medicine, University of Oslo (UiO), Norway
| | - Rehfeld Jf
- Department of Clinical Biochemistry, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Gary R Hunter
- Department of Nutrition Sciences, University of Alabama at Birmingham (UAB), USA
| | - B A Gower
- Department of Nutrition Sciences, University of Alabama at Birmingham (UAB), USA
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21
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Sundgot-Borgen C, Bond DS, Sniehotta FF, Kvalem IL, Hansen BH, Bergh I, Rø Ø, Mala T. Associations of changes in physical activity and sedentary time with weight recurrence after bariatric surgery: a 5-year prospective study. Int J Obes (Lond) 2023; 47:463-470. [PMID: 36828898 PMCID: PMC9951836 DOI: 10.1038/s41366-023-01284-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 02/14/2023] [Accepted: 02/15/2023] [Indexed: 02/26/2023]
Abstract
BACKGROUND Increasing physical activity and limiting sedentary time may minimize weight recurrence after bariatric surgery. However, few studies have evaluated potential associations of objectively-measured physical activity and sedentary time with post-surgical weight recurrence over time. AIMS To evaluate associations of change in physical activity and sedentary time with weight recurrence after bariatric surgery. METHODS Participants from the Oslo Bariatric Surgery Study, a prospective cohort study, wore an ActiGraph monitor for seven days at 1- and 5 years after surgery to assess daily physical activity and sedentary time. Participants' weight was measured at in-person clinic visits. Chi-square Test and Paired-samples T-test evaluated group differences and change over time, while Pearson's Correlation, multiple logistic and linear regression investigated associations between variables. RESULTS Five years after surgery 79 participants (70.5% response rate, 81% female) (mean (sd) age: 54.0 (±9.3), BMI: 32.1 (±4.7)) had valid monitor data. Participants increased their sedentary time (71.4 minutes/day (95% CI: 54.2-88.6, p = <0.001)) and reduced daily steps (-1411.1 (95% CI: 737.8-208.4), p = <0.001), light physical activity (-54.1 min/day (95% CI: 40.9-67.2, p = <0.001)), and total physical activity (-48.2 (95% CI: 34.6-63.3), p = <0.001) from 1- to 5 years after surgery. No change was found for moderate-to-vigorous intensity physical activity. No associations were found between changes in steps, physical activity or sedentary time and weight recurrence. CONCLUSION Participants increased sedentary time and decreased light- and total physical activity between 1- and 5 years post-surgery. Overall, changes in physical activity and sedentary time were not associated with weight recurrence. Interventions to help patients increase physical activity and limit sedentary time after bariatric surgery are needed.
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Affiliation(s)
- C. Sundgot-Borgen
- grid.55325.340000 0004 0389 8485Regional Department for Eating Disorders, Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway
| | - D. S. Bond
- grid.277313.30000 0001 0626 2712Department of Surgery and Research, Hartford Hospital, Hartford, CT USA
| | - F. F. Sniehotta
- grid.1006.70000 0001 0462 7212Population Health Science Institute, Faculty of Medical Sciences, Newcastle University, Newcastle upon Tyne, UK ,grid.7700.00000 0001 2190 4373Department of Public Health, Preventive and Social Medicine, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - I. L. Kvalem
- grid.5510.10000 0004 1936 8921Department of Psychology, University of Oslo, Oslo, Norway
| | - B. H. Hansen
- grid.23048.3d0000 0004 0417 6230Department of Public Health, Sport and Nutrition, University of Agder, Kristiansand, Norway
| | | | - Ø. Rø
- grid.55325.340000 0004 0389 8485Regional Department for Eating Disorders, Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway ,grid.5510.10000 0004 1936 8921Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - T. Mala
- grid.5510.10000 0004 1936 8921Institute of Clinical Medicine, University of Oslo, Oslo, Norway ,grid.55325.340000 0004 0389 8485Center for Morbid Obesity and Bariatric Surgery, Oslo University Hospital, Oslo, Norway
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22
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Caloric Restriction (CR) Plus High-Nitrate Beetroot Juice Does Not Amplify CR-Induced Metabolic Adaptation and Improves Vascular and Cognitive Functions in Overweight Adults: A 14-Day Pilot Randomised Trial. Nutrients 2023; 15:nu15040890. [PMID: 36839248 PMCID: PMC9962072 DOI: 10.3390/nu15040890] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 02/07/2023] [Accepted: 02/08/2023] [Indexed: 02/12/2023] Open
Abstract
Caloric restriction (CR) and dietary nitrate supplementation are nutritional interventions with pleiotropic physiological functions. This pilot study investigates the combined effects of CR and nitrate-rich beetroot juice (BRJ) on metabolic, vascular, and cognitive functions in overweight and obese middle-aged and older adults. This was a two-arm, parallel randomized clinical trial including 29 participants allocated to CR + BRJ (n = 15) or CR alone (n = 14) for 14 days. Body composition, resting energy expenditure (REE), and hand-grip strength were measured. Resting blood pressure (BP) and microvascular endothelial function were measured, and Trail-Making Test A and B were used to assess cognitive function. Salivary nitrate and nitrite, and urinary nitrate and 8-isoprostane concentrations were measured. Changes in body composition, REE, and systolic and diastolic BP were similar between the two interventions (p > 0.05). The CR + BRJ intervention produced greater changes in average microvascular flux (p = 0.03), NO-dependent endothelial activity (p = 0.02), and TMT-B cognitive scores (p = 0.012) compared to CR alone. Changes in urinary 8-isoprostane were greater in the CR + BRJ group (p = 0.02), and they were inversely associated with changes in average microvascular flux (r = -0.53, p = 0.003). These preliminary findings suggest that greater effects on vascular and cognitive functions could be achieved by combining CR with dietary nitrate supplementation.
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Santini S, Vionnet N, Pasquier J, Gonzalez-Rodriguez E, Fraga M, Pitteloud N, Favre L. Marked weight loss on liraglutide 3.0 mg: Real-life experience of a Swiss cohort with obesity. Obesity (Silver Spring) 2023; 31:74-82. [PMID: 36478514 PMCID: PMC10107497 DOI: 10.1002/oby.23596] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Revised: 08/25/2022] [Accepted: 08/26/2022] [Indexed: 12/12/2022]
Abstract
OBJECTIVE This study investigated the effectiveness of liraglutide 3.0 mg daily in combination with a standardized multidisciplinary intervention on body weight and body composition changes in a real-life setting. METHODS A prospective, observational cohort study design was used. Adult patients with BMI > 35 kg/m2 , or BMI > 28 kg/m2 with greater than or equal to one metabolic comorbidity, were included (n = 54, 65% women). Liraglutide treatment was covered by Swiss health insurance. Clinical and biological data were collected at baseline, 4 months, and 10 months. Body composition was assessed by dual-energy x-ray absorptiometry at baseline and 10 months. RESULTS At 10 months, mean (SD) percentage weight loss (WL%) was -12.4% (5.5%) or -14.1 (6.6) kg. WL% was ≥5% in 87% of patients at 4 months and in 96% at 10 months. WL% was higher in women (-9.5% [3.1%] vs. men -7.2% [2.5%], p = 0.02) at 4 months and persisted at 10 months (-13.7% [5.2%] vs. -9.6% [5.1%], p = 0.006). WL% was associated with baseline percentage fat mass but not with age or BMI. Body composition showed a decrease in fat mass, visceral adipose tissue, and absolute lean mass. CONCLUSIONS In a real-world setting, liraglutide 3.0 mg led to beneficial changes in WL and body composition, with a greater impact in women.
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Affiliation(s)
- Sara Santini
- Division of Endocrinology, Diabetology, and Metabolism, Lausanne University Hospital, Lausanne, Switzerland
| | - Nathalie Vionnet
- Division of Endocrinology, Diabetology, and Metabolism, Lausanne University Hospital, Lausanne, Switzerland
| | - Jérôme Pasquier
- Center for Primary Care and Public Health (Unisanté), University of Lausanne, Lausanne, Switzerland
| | - Elena Gonzalez-Rodriguez
- Interdisciplinary Center for Bone Diseases, Lausanne University Hospital, Lausanne, Switzerland
- Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland
| | - Montserrat Fraga
- Division of Gastroenterology and Hepatology, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | - Nelly Pitteloud
- Division of Endocrinology, Diabetology, and Metabolism, Lausanne University Hospital, Lausanne, Switzerland
- Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland
| | - Lucie Favre
- Division of Endocrinology, Diabetology, and Metabolism, Lausanne University Hospital, Lausanne, Switzerland
- Faculty of Biology and Medicine, University of Lausanne, Lausanne, Switzerland
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Diab S, Bertin JB, Simeu B, Rohr S, Brigand C, Deharvengt C, Pradignac A, Romain B. Impact of Preoperative Protein Sparing Modified Fast Diet on Bariatric Surgery. Obes Surg 2023; 33:17-24. [PMID: 36422757 DOI: 10.1007/s11695-022-06361-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 11/02/2022] [Accepted: 11/18/2022] [Indexed: 11/27/2022]
Abstract
INTRODUCTION Bariatric surgery can become technically challenging in the setting of liver steatosis and hepatomegaly. The protein sparing modified fast (PSMF) diet helps in achieving rapid weight loss. The aim of this study is to explore the results of a preoperative PSMF diet on liver volume and steatosis as well as on intraoperative and postoperative complications in patients with hepatomegaly undergoing Roux-en-Y gastric bypass (RYGB). METHODS Between January 2010 and January 2021, 713 patients undergoing RYGB as a primary bariatric surgery were divided in two groups. Those with a measured liver length above 16 cm and or evidence of liver steatosis on ultrasound (group 1) were offered a preoperative PSMF diet while the remaining (group 2) proceeded directly to surgery. Between January 2010 and April 2012, patients included in group 1 had liver volume measurements on magnetic resonance imaging the day before the diet was started and the day before the surgery. For the length of the study, intraoperative and postoperative data were recorded for both groups. RESULTS Five days of preoperative PSMF diet resulted in a significant reduction of total and left liver volume (15.8% and 21% respectively, p < 0.001). There was no difference in intraoperative bleeding and conversion rate or postoperative complication rate between both groups. CONCLUSION The PSMF diet helps in achieving a rapid decrease in liver volume. Patients with hepatomegaly initially thought to be at a higher risk of intraoperative complications reached comparable rates to patients without hepatomegaly after the diet regimen without any impact on the postoperative course.
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Affiliation(s)
- Samer Diab
- Department of General and Digestive Surgery, Hautepierre Hospital, Strasbourg University Hospital, 2 Avenue Molière, 67200, Strasbourg, France
| | - Jean-Baptiste Bertin
- Department of General and Digestive Surgery, Hautepierre Hospital, Strasbourg University Hospital, 2 Avenue Molière, 67200, Strasbourg, France
| | - Blandine Simeu
- Department of General and Digestive Surgery, Hautepierre Hospital, Strasbourg University Hospital, 2 Avenue Molière, 67200, Strasbourg, France
| | - Serge Rohr
- Department of General and Digestive Surgery, Hautepierre Hospital, Strasbourg University Hospital, 2 Avenue Molière, 67200, Strasbourg, France
| | - Cécile Brigand
- Department of General and Digestive Surgery, Hautepierre Hospital, Strasbourg University Hospital, 2 Avenue Molière, 67200, Strasbourg, France
| | - Cécile Deharvengt
- Department of Internal Medicine and Nutrition, Hautepierre Hospital, Strasbourg University Hospital, 67200, Strasbourg, France
| | - Alain Pradignac
- Department of Internal Medicine and Nutrition, Hautepierre Hospital, Strasbourg University Hospital, 67200, Strasbourg, France
| | - Benoît Romain
- Department of General and Digestive Surgery, Hautepierre Hospital, Strasbourg University Hospital, 2 Avenue Molière, 67200, Strasbourg, France. .,Streinth Lab (Stress Response and Innovative Therapies), Strasbourg University, Inserm UMR_S 1113 IRFAC (Interface Recherche Fondamental Et Appliquée À La Cancérologie), 67200, Strasbourg, France.
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Grannell A. Reframing the need for exercise therapy in the clinical management of people living with obesity. Clin Obes 2022; 12:e12554. [PMID: 36161706 DOI: 10.1111/cob.12554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 09/01/2022] [Accepted: 09/04/2022] [Indexed: 01/06/2023]
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Khitaryan AG, Abovyan AA, Mezhunts AV, Orekhov AA, Melnikov DA, Sarkisyan АV, Adizov SA, Rogut AA, Ziegler GJ, Amegninou CM. Risk of sarcopenia after bariatric surgery in patients with type 2 diabetes mellitus. AMBULATORNAYA KHIRURGIYA = AMBULATORY SURGERY (RUSSIA) 2022. [DOI: 10.21518/1995-1477-2022-19-2-142-151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Introduction. Despite the great popularity of Roux-en-Y gastric bypass and laparoscopic sleeve gastrectomy in the treatment of morbid obesity, the problem of the development and progression of sarcopenia in patients with type 2 diabetes mellitus in the postoperative period remains insufficiently studied.Aim. To study the prevalence and dynamics of sarcopenia in patients with type 2 diabetes mellitus after Roux-en-Y gastric bypass and laparoscopic sleeve gastrectomy in the long term.Materials and methods. Our prospective study included 257 bariatric patients (170 Roux-en-Y gastric bypass and 87 laparoscopic sleeve gastrectomy) with type 2 diabetes mellitus. All patients underwent a standard set of preoperative examination with obligatory determination of the skeletal muscle mass index using the bioelectrical impedance analysis. After 6, 12, 18 and 24 months, control examinations were carried out.Results. At the preoperative stage, 28 patients (16.5%) with signs of moderate sarcopenia were identified in the Roux-en-Y gastric bypass group and 15 patients (17.2%) in the laparoscopic sleeve gastrectomy group. According to the bioelectrical impedance analysis, 24 months after the operation, 37 patients (25.9%) with signs of moderate sarcopenia and 2 patients (1.4%) with severe sarcopenia were identified in the first group. 24 months after surgery in the second group there was no statistical difference in the number of patients with signs of sarcopenia in comparison with the preoperative period.Conclusion. The frequency of development and progression of signs of sarcopenia after Roux-en-Y gastric bypass is statistically higher than after laparoscopic sleeve gastrectomy. In this regard, in our opinion, when choosing a method of surgical treatment of morbid obesity with concomitant type 2 diabetes mellitus, a detailed assessment of the state of protein metabolism by the bioelectrical impedance analysis is necessary.
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Affiliation(s)
- A. G. Khitaryan
- Clinical Hospital Russian Railway-Medicine Rostov-on-Don; Rostov State Medical University
| | | | - A. V. Mezhunts
- Clinical Hospital Russian Railway-Medicine Rostov-on-Don; Rostov State Medical University
| | | | - D. A. Melnikov
- Clinical Hospital Russian Railway-Medicine Rostov-on-Don; Rostov State Medical University
| | | | - S. A. Adizov
- Clinical Hospital Russian Railway-Medicine Rostov-on-Don
| | - A. A. Rogut
- Clinical Hospital Russian Railway-Medicine Rostov-on-Don
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Are methods of estimating fat-free mass loss with energy-restricted diets accurate? Eur J Clin Nutr 2022; 77:525-531. [PMID: 36076068 DOI: 10.1038/s41430-022-01203-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 08/17/2022] [Accepted: 08/18/2022] [Indexed: 11/08/2022]
Abstract
BACKGROUND/OBJECTIVES Fat-free mass (FFM) often serves as a body composition outcome variable in weight loss studies. An important assumption is that the proportions of components that make up FFM remain stable following weight loss; some body composition models rely on these "constants". This exploratory study examined key FFM component proportions before and following weight loss in two studies of participants with overweight and obesity. SUBJECTS/METHODS 201 men and women consumed calorie-restricted moderate- or very-low carbohydrate diets leading to 10-18% weight loss in 9-15 weeks. Measured total body fat, lean mass, bone mineral, total body water (TBW), and body weight at baseline and follow-up were used to derive FFM and its chemical proportions using a four-component model. RESULTS A consistent finding in both studies was a non-significant reduction in bone mineral and a corresponding increase (p < 0.001) in bone mineral/FFM; FFM density increased significantly in one group of women and in all four participant groups combined (both, p < 0.05). FFM hydration (TBW/FFM) increased in all groups of men and women, one significantly (p < 0.01), and in the combined sample (borderline, p < 0.10). The proportion of FFM as protein decreased across all groups, two significantly (p < 0.05-0.01) and in the combined sample (p < 0.05). CONCLUSION FFM relative proportions of chemical components may not be identical before and after short-term weight loss, an observation impacting some widely used body composition models and methods. Caution is thus needed when applying FFM as a safety signal or to index metabolic evaluations in clinical trials when these body composition approaches are used.
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Roth A, Sattelmayer M, Schorderet C, Gafner S, Allet L. Effects of exercise training and dietary supplement on fat free mass and bone mass density during weight loss – a systematic review and meta-analysis. F1000Res 2022; 11:8. [PMID: 36071711 PMCID: PMC9396077 DOI: 10.12688/f1000research.75539.3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/05/2022] [Indexed: 11/20/2022] Open
Abstract
Background: After a diet- or surgery induced weight loss almost 1/3 of lost weight consists of fat free mass (FFM) if carried out without additional therapy. Exercise training and a sufficient supply of protein, calcium and vitamin D is recommended to reduce the loss of FFM. Objective: To investigate the effect of exercise training, protein, calcium, and vitamin D supplementation on the preservation of FFM during non-surgical and surgical weight loss and of the combination of all interventions together in adults with obesity. Methods: A systematic review was performed with a pairwise meta-analysis and an exploratory network meta-analysis according to the PRISMA statement. Results: Thirty studies were included in the quantitative analysis. The pairwise meta-analysis showed for Exercise Training + High Protein vs. High Protein a moderate and statistically significant effect size (SMD 0.45; 95% CI 0.04 to 0.86), for Exercise Training + High Protein vs. Exercise Training a high but statistically not significant effect size (SMD 0.91; 95% CI -0.59 to 2.41) and for Exercise Training alone vs. Control a moderate but statistically not significant effect size (SMD 0.67; 95% CI -0.25 to 1.60). In the exploratory network meta-analysis three interventions showed statistically significant effect sizes compared to Control and all of them included the treatment Exercise Training. Conclusions: Results underline the importance of exercise training and a sufficient protein intake to preserve FFM during weight loss in adults with obesity. The effect of calcium and vitamin D supplementation remains controversial and further research are needed.
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Affiliation(s)
- Anja Roth
- Bern University of Applied Sciences, Bern, Switzerland
| | - Martin Sattelmayer
- School of Health Sciences, University of Applied Sciences and Arts Western Switzerland, Valais, HES-SO Valais Wallis, Leukerbad, Switzerland
| | - Chloé Schorderet
- School of Health Sciences, University of Applied Sciences and Arts Western Switzerland, Valais, HES-SO Valais Wallis, Sion, Switzerland
| | - Simone Gafner
- Geneva School of Health Sciences, Genève, Switzerland
- Geneva School of Health Sciences, HES‑SO, University of Applied Sciences and Arts Western Switzerland, 47 Avenue de Champel, 1206 Geneva, Switzerland
| | - Lara Allet
- School of Health Sciences, University of Applied Sciences and Arts Western Switzerland, Valais, HES-SO Valais Wallis, Sion, Switzerland
- Geneva University Hospitals and Faculty of Medicine, Genève, Switzerland
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Si K, Hu Y, Wang M, Apovian CM, Chavarro JE, Sun Q. Weight loss strategies, weight change, and type 2 diabetes in US health professionals: A cohort study. PLoS Med 2022; 19:e1004094. [PMID: 36166473 PMCID: PMC9514663 DOI: 10.1371/journal.pmed.1004094] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 08/17/2022] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND Weight loss is crucial for disease prevention among individuals with overweight or obesity. This study aimed to examine associations of weight loss strategies (WLSs) with weight change and type 2 diabetes (T2D) risk among US health professionals. METHODS AND FINDINGS This study included 93,110 participants (24 to 60 years old; 11.6% male) from the Nurses' Health Study (NHS), NHSII, and Health Professionals Follow-Up Study (HPFS) cohorts who were free of T2D, cardiovascular disease, and cancer at baseline (1988 for NHS/HPFS and 1989 for NHSII) for analyses of weight change and 104,180 (24 to 78 years old; 14.2% male) for T2D risk assessment. WLSs used to achieve an intentional weight loss of 4.5+ kg were collected in 1992 (NHS/HPFS)/1993 (NHSII) and grouped into 7 mutually exclusive categories, including low-calorie diet, exercise, low-calorie diet and exercise, fasting, commercial weight loss program (CWLP), diet pills, and FCP (selected at least 2 methods from fasting, CWLP, and pill). The reference group was participants who did not attempt to lose weight. Generalized estimating equations and Cox regression were applied to estimate up to 10-year weight change trajectory and incident T2D risk through 2016 (NHS/HPFS)/2017 (NHSII), respectively. The associations of WLSs with weight change and T2D risk were differential by baseline body weight (Pinteraction < 0.01). Among individuals with obesity, all WLSs tended to associate with less weight gain [ranging from -4.2% (95% confidence interval (CI), -5.1% to -3.2%; P < 0.001) for exercise to -0.3% (-1.2% to 0.7%; P > 0.99) for FCP] and a lower T2D risk [hazard ratios (HRs) ranging from 0.79 (0.66 to 0.95; P = 0.04) for exercise to 0.87 (0.66 to 1.13; P = 0.30) for pill]. Such a pattern was less clear among overweight individuals: the difference of weight change varied from -2.5% (-3.0% to -2.1%; P < 0.001) for exercise to 2.0% (1.3% to 2.7%; P < 0.001) for FCP, and HRs of T2D varied from 0.91 (0.77 to 1.07; P = 0.29) for exercise to 1.42 (1.11 to 1.81; P = 0.02) for pill. The pattern was further inverted among lean individuals in that weight change ranged from -0.4% (-0.6% to -0.1%; P = 0.02) for exercise to 3.7% (3.1% to 4.3%; P < 0.001) for FCP, and the HRs of T2D ranged from 1.09 (0.91 to 1.30; P = 0.33) for exercise to 1.54 (1.13 to 2.10; P = 0.008) for pill. Approximately 15.6% to 46.8% of the association between WLSs and the T2D risk was attributed to weight changes. This study was limited by a single assessment of WLSs, heterogeneity within each WLS, and potential misclassification of the timing of weight loss and weight regain. CONCLUSIONS The current study showed that individuals with obesity who attempted to lose weight, regardless of the WLSs used, tended to gain less body weight and have a lower diabetes risk. In contrast, lean individuals who intentionally lost weight tended to gain more weight and have a higher diabetes risk. These data support the notion that intentional weight loss may not be beneficial for lean individuals and the use of WLSs for achieving weight loss shall be guided by medical indications only.
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Affiliation(s)
- Keyi Si
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America
| | - Yang Hu
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America
| | - Molin Wang
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America
- Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America
| | - Caroline M. Apovian
- Division of Endocrinology, Diabetes, and Hypertension, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts, United States of America
| | - Jorge E. Chavarro
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts, United States of America
| | - Qi Sun
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America
- Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, United States of America
- Channing Division of Network Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts, United States of America
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Nutritional Management and Role of Multidisciplinary Follow-Up after Endoscopic Bariatric Treatment for Obesity. Nutrients 2022; 14:nu14163450. [PMID: 36014956 PMCID: PMC9416269 DOI: 10.3390/nu14163450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 07/26/2022] [Accepted: 08/17/2022] [Indexed: 11/17/2022] Open
Abstract
The prevalence of obesity has risen exponentially, and patients living with obesity suffer from its debilitating consequences. The treatment options for obesity have expanded significantly and include lifestyle changes, pharmacotherapy, endoscopic bariatric therapies (EBTs), and bariatric surgery. Endoscopic bariatric therapies comprise volume-reducing procedures such as endoscopic gastroplasty and gastric space-occupying devices such as intragastric balloons. Because of its minimally invasive nature and ease of delivery, EBTs are increasingly being adopted as a treatment option for obesity in several centers. These procedures mainly achieve weight loss by inducing early satiety and reducing meal volume. While the technical aspects of EBTs have been well explained, the nutritional management surrounding EBTs and the effectiveness of multidisciplinary team for maximizing weight loss is less described. There is considerable variation in post-EBT care between studies and centers. In this paper, we review the existing literature and share our experience on nutrition and the role of multidisciplinary management of obesity following EBT.
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Targeting skeletal muscle mitochondrial health in obesity. Clin Sci (Lond) 2022; 136:1081-1110. [PMID: 35892309 PMCID: PMC9334731 DOI: 10.1042/cs20210506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 06/26/2022] [Accepted: 07/05/2022] [Indexed: 11/21/2022]
Abstract
Metabolic demands of skeletal muscle are substantial and are characterized normally as highly flexible and with a large dynamic range. Skeletal muscle composition (e.g., fiber type and mitochondrial content) and metabolism (e.g., capacity to switch between fatty acid and glucose substrates) are altered in obesity, with some changes proceeding and some following the development of the disease. Nonetheless, there are marked interindividual differences in skeletal muscle composition and metabolism in obesity, some of which have been associated with obesity risk and weight loss capacity. In this review, we discuss related molecular mechanisms and how current and novel treatment strategies may enhance weight loss capacity, particularly in diet-resistant obesity.
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Body Composition Differences Between Excess Weight Loss ≥ 50% and < 50% at 12 Months Following Bariatric Surgery. Obes Surg 2022; 32:2556-2566. [PMID: 35648364 PMCID: PMC9156838 DOI: 10.1007/s11695-022-06128-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 05/20/2022] [Accepted: 05/25/2022] [Indexed: 11/03/2022]
Abstract
Background The relationship between weight loss and body composition is undefined after bariatric surgery. The objective of this study was to compare body composition changes in patients with excess weight loss ≥ 50% (EWL ≥ 50) and < 50% at 12 months post-operatively (EWL < 50). Methods A prospective cohort study was completed on patients undergoing bariatric surgery at two tertiary hospitals between 2017 and 2021. Body composition was measured with dual-energy X-ray absorptiometry immediately before surgery, and at 1, 6, and 12 months post-operatively. Body mass index (BMI), fat mass (FM), lean body mass (LBM), and skeletal muscle index (SMI) trajectories were analysed between patients with EWL ≥ 50% and EWL < 50%. Results Thirty-seven patients were included in this series (EWL ≥ 50% n = 25, EWL < 50% n = 12), comprising of both primary and revisional bariatric surgery cases, undergoing a sleeve gastrectomy (62.2%), Roux-en-Y gastric bypass (32.4%), or one anastomosis gastric bypass (5.4%). The EWL ≥ 50% group demonstrated a more optimal mean FM-to-LBM loss ratio than the EWL < 50% group. EWL ≥ 50% patients lost 2.0 kg more FM than EWL < 50% patients for each 1 kg of LBM lost. EWL ≥ 50% was also associated with an increase in mean SMI% over 12 months (5.5 vs. 2.4%; p < 0.0009). Across the whole cohort, the first month after surgery accounted for 67.4% of the total LBM reduction that occurred during the 12-month post-operative period. Conclusion This data suggests EWL ≥ 50% is associated with a more optimal body composition outcome than EWL < 50%. LBM reduction occurs predominantly in the early post-operative period. Graphical abstract ![]()
Supplementary Information The online version contains supplementary material available at 10.1007/s11695-022-06128-3.
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Molero J, Olbeyra R, Flores L, Jiménez A, de Hollanda A, Andreu A, Ibarzabal A, Moizé V, Cañizares S, Balibrea JM, Obach A, Vidal J. Prevalence of low skeletal muscle mass following bariatric surgery. Clin Nutr ESPEN 2022; 49:436-441. [PMID: 35623849 DOI: 10.1016/j.clnesp.2022.03.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2022] [Accepted: 03/09/2022] [Indexed: 11/17/2022]
Abstract
BACKGROUND AND AIMS Evidence on the occurrence of low skeletal muscle mass (low-SMM) following bariatric surgery (BS) as well as on the impact of low-SMM antedating BS on post-surgical body composition (BC) are scant. In this context, we aimed to prospectively evaluate the prevalence of low-SMM prior to and up to 5 years after BS, and to evaluate pre-surgical low-SMM as an independent risk factor for the presence of low-SMM after BS. METHODS Retrospective analysis of prospectively collected database. BC was assessed by bioelectrical impedance analysis (BIA). A BIA-based formula was used to calculate skeletal muscle mass (SMM). Class I and class II low-SMM were defined respectively as a SMM index (SMMI = SMM/height2) value between -1 and -2, or > -2 standard deviations from the gender-specific regression line of the BMI versus the SMMI relationship in our reference group. RESULTS A total 952 subjects were included, with BC being available for 877 (92%) subjects at 12 months and for 576 subjects (60%) at 60 months after BS. Prior to surgery, and at 12-, or at 60-months after surgery, class I and class II low-SMM was ascertained respectively in 15.6% and 4.6%, 5.3% and 1.4%, and 16.6% and 6.3% of the study participants. Logistic regression analysis showed that the occurrence of low-SMM at 12- and 60-months follow-up, was independently predicted not only by age at the time of surgery [respectively, HR: 1.052 (95% CI 1.020-1.084), p = 0.001; and 1.042 (95% CI 1.019-1.066); p < 0.001] but also by the presence of low-SMM prior to surgery [respectively, HR: 10.717 (95% CI 5.771-19.904), p < 0.001; and 5.718 (95% CI 3.572-9.153); p < 0.001]. CONCLUSIONS Our data suggest that a low-SMM phenotype occurs not only in obesity surgery candidates but also after BS, and that low-SMM prior to surgery is an important risk factor for low-SMM throughout post-surgical follow-up.
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Affiliation(s)
- Judith Molero
- Endocrinology and Nutrition Department, Hospital Clínic de Barcelona, Barcelona, Spain
| | - Romina Olbeyra
- Institut D'Investigacions Biomèdiques August Pi Sunyer (IDIBAPS), Barcelona, Spain
| | - Lilliam Flores
- Endocrinology and Nutrition Department, Hospital Clínic de Barcelona, Barcelona, Spain; Institut D'Investigacions Biomèdiques August Pi Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Barcelona, Spain
| | - Amanda Jiménez
- Endocrinology and Nutrition Department, Hospital Clínic de Barcelona, Barcelona, Spain; Institut D'Investigacions Biomèdiques August Pi Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de La Obesidad y Nutrición (CIBEROBN), Spain
| | - Ana de Hollanda
- Endocrinology and Nutrition Department, Hospital Clínic de Barcelona, Barcelona, Spain; Institut D'Investigacions Biomèdiques August Pi Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de La Obesidad y Nutrición (CIBEROBN), Spain
| | - Alba Andreu
- Endocrinology and Nutrition Department, Hospital Clínic de Barcelona, Barcelona, Spain; Centro de Investigación Biomédica en Red de La Obesidad y Nutrición (CIBEROBN), Spain
| | - Ainitze Ibarzabal
- Gastrointestinal Surgery Department, Hospital Clínic de Barcelona, Barcelona, Spain
| | - Violeta Moizé
- Endocrinology and Nutrition Department, Hospital Clínic de Barcelona, Barcelona, Spain; Institut D'Investigacions Biomèdiques August Pi Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Barcelona, Spain
| | - Sílvia Cañizares
- Department of Clinical Psychology and Psychobiology, Section of Clinical Health Psychology, Clinical Institute of Neurosciences, Hospital Clinic, University of Barcelona, Barcelona, Spain
| | - José María Balibrea
- Gastrointestinal Surgery Department, Hospital Clínic de Barcelona, Barcelona, Spain
| | - Amadeu Obach
- Department of Clinical Psychology and Psychobiology, Section of Clinical Health Psychology, Clinical Institute of Neurosciences, Hospital Clinic, University of Barcelona, Barcelona, Spain
| | - Josep Vidal
- Endocrinology and Nutrition Department, Hospital Clínic de Barcelona, Barcelona, Spain; Institut D'Investigacions Biomèdiques August Pi Sunyer (IDIBAPS), Barcelona, Spain; Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Barcelona, Spain.
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Sarno G, Calabrese P, Frias-Toral E, Ceriani F, Fuchs-Tarlovsky V, Spagnuolo M, Cucalón G, Córdova LÁ, Schiavo L, Pilone V. The relationship between preoperative weight loss and intra and post-bariatric surgery complications: an appraisal of the current preoperative nutritional strategies. Crit Rev Food Sci Nutr 2022; 63:10230-10238. [PMID: 35546051 DOI: 10.1080/10408398.2022.2074963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Preoperative weight loss before a bariatric surgery reduces long-term complications, but there is no solid evidence for short-term or perioperative complications. This review highlights recent evidence on dietary protocols and the possible correlation between weight loss and surgical complications. Updated evidence was searched in PubMedDirect with the terms "preoperative very low-calorie diet or very-low-calorie ketogenic diet or low-fat diet or intermittent fasting or Mediterranean diet and bariatric surgery or bariatric surgery complications." The main characteristics of each diet, achievements related to weight loss, liver reduction, peri and postoperative outcomes, surgical complications, tolerance, and adherence to the diet are presented from the selected studies. There are few reports about the Mediterranean diet as a strategy to reach these goals. The VLCKD has been associated with better body weight reduction and lesser postoperative complications risk. However, the results in animal models are still controversial. When comparing VLCD with an LCD, there is no apparent superiority between one against the other one. However, LCD has shown better tolerance and adherence than VLCD. There is still a need for more controlled studies to define the best preoperative dietary treatment for weight loss before bariatric surgery since there are controversial positions regarding this issue.
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Affiliation(s)
- Gerardo Sarno
- Scuola Medica Salernitana, "San Giovanni di Dio e Ruggi D'Aragona" University Hospital, Salerno, Italy
| | - Pietro Calabrese
- Center of Excellence of Bariatric Surgery of the Italian Society of Obesity Surgery and Metabolic Disease (SICOB), Unit of General and Emergency Surgery, University Hospital San Giovanni di Dio e Ruggid'Aragona, Salerno, Italy
| | - Evelyn Frias-Toral
- School of Medicine, Universidad Católica Santiago de Guayaquil, Guayaquil, Ecuador
| | - Florencia Ceriani
- Nutrition School, Universidad de la Republica (UdelaR), Montevideo, Uruguay
| | | | - Maria Spagnuolo
- Center of Excellence of Bariatric Surgery of the Italian Society of Obesity Surgery and Metabolic Disease (SICOB), Unit of General and Emergency Surgery, University Hospital San Giovanni di Dio e Ruggid'Aragona, Salerno, Italy
| | - Gabriela Cucalón
- Escuela Superior Politécnica del Litoral, ESPOL, Lifescience Faculty, ESPOL Polytechnic University, Guayaquil, Ecuador
| | - Ludwig Álvarez Córdova
- Facultad de Ciencias Médicas, Carrera de Nutrición y Dietética, Universidad Católica De Santiago de Guayaquil, Guayaquil, Ecuador
| | - Luigi Schiavo
- Center of Excellence of Bariatric Surgery of the Italian Society of Obesity Surgery and Metabolic Disease (SICOB), Unit of General and Emergency Surgery, University Hospital San Giovanni di Dio e Ruggid'Aragona, Salerno, Italy
- Department of Medicine, Surgery and Dentistry, "Scuola Medica Salernitana," University of Salerno, Salerno, Italy
| | - Vincenzo Pilone
- Center of Excellence of Bariatric Surgery of the Italian Society of Obesity Surgery and Metabolic Disease (SICOB), Unit of General and Emergency Surgery, University Hospital San Giovanni di Dio e Ruggid'Aragona, Salerno, Italy
- Department of Medicine, Surgery and Dentistry, "Scuola Medica Salernitana," University of Salerno, Salerno, Italy
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Beavers DP, Hsieh KL, Kitzman DW, Kritchevsky SB, Messier SP, Neiberg RH, Nicklas BJ, Rejeski WJ, Beavers KM. Estimating heterogeneity of physical function treatment response to caloric restriction among older adults with obesity. PLoS One 2022; 17:e0267779. [PMID: 35511858 PMCID: PMC9070937 DOI: 10.1371/journal.pone.0267779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Accepted: 04/14/2022] [Indexed: 11/18/2022] Open
Abstract
Clinical trials conventionally test aggregate mean differences and assume homogeneous variances across treatment groups. However, significant response heterogeneity may exist. The purpose of this study was to model treatment response variability using gait speed change among older adults participating in caloric restriction (CR) trials. Eight randomized controlled trials (RCTs) with five- or six-month assessments were pooled, including 749 participants randomized to CR and 594 participants randomized to non-CR (NoCR). Statistical models compared means and variances by CR assignment and exercise assignment or select subgroups, testing for treatment differences and interactions for mean changes and standard deviations. Continuous equivalents of dichotomized variables were also fit. Models used a Bayesian framework, and posterior estimates were presented as means and 95% Bayesian credible intervals (BCI). At baseline, participants were 67.7 (SD = 5.4) years, 69.8% female, and 79.2% white, with a BMI of 33.9 (4.4) kg/m2. CR participants reduced body mass [CR: -7.7 (5.8) kg vs. NoCR: -0.9 (3.5) kg] and increased gait speed [CR: +0.10 (0.16) m/s vs. NoCR: +0.07 (0.15) m/s] more than NoCR participants. There were no treatment differences in gait speed change standard deviations [CR–NoCR: -0.002 m/s (95% BCI: -0.013, 0.009)]. Significant mean interactions between CR and exercise assignment [0.037 m/s (95% BCI: 0.004, 0.070)], BMI [0.034 m/s (95% BCI: 0.003, 0.066)], and IL-6 [0.041 m/s (95% BCI: 0.009, 0.073)] were observed, while variance interactions were observed between CR and exercise assignment [-0.458 m/s (95% BCI: -0.783, -0.138)], age [-0.557 m/s (95% BCI: -0.900, -0.221)], and gait speed [-0.530 m/s (95% BCI: -1.018, -0.062)] subgroups. Caloric restriction plus exercise yielded the greatest gait speed benefit among older adults with obesity. High BMI and IL-6 subgroups also improved gait speed in response to CR. Results provide a novel statistical framework for identifying treatment heterogeneity in RCTs.
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Affiliation(s)
- Daniel P. Beavers
- Department of Biostatistics and Data Science, Wake Forest School of Medicine, Winston-Salem, NC, United States of America
- * E-mail:
| | - Katherine L. Hsieh
- Section on Gerontology and Geriatric Medicine, Wake Forest School of Medicine, Winston-Salem, NC, United States of America
| | - Dalane W. Kitzman
- Section on Cardiovascular Medicine, Wake Forest School of Medicine, Winston-Salem, NC, United States of America
| | - Stephen B. Kritchevsky
- Section on Gerontology and Geriatric Medicine, Wake Forest School of Medicine, Winston-Salem, NC, United States of America
| | - Stephen P. Messier
- Department of Health and Exercise Science, Wake Forest University, Winston-Salem, NC, United States of America
| | - Rebecca H. Neiberg
- Department of Biostatistics and Data Science, Wake Forest School of Medicine, Winston-Salem, NC, United States of America
| | - Barbara J. Nicklas
- Section on Gerontology and Geriatric Medicine, Wake Forest School of Medicine, Winston-Salem, NC, United States of America
| | - W. Jack Rejeski
- Department of Health and Exercise Science, Wake Forest University, Winston-Salem, NC, United States of America
| | - Kristen M. Beavers
- Department of Health and Exercise Science, Wake Forest University, Winston-Salem, NC, United States of America
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Gasmi A, Boukhmis B, Bjørklund G, Elkhidir IH, Semenova Y, Dosa A, Piscopo S, Temitope AH, Noor S, Costea DO. Physical activity and obesity spectrum disorders in post-bariatric surgery patients: A systematic review and Meta-analysis. Crit Rev Food Sci Nutr 2022; 63:8161-8172. [PMID: 35442131 DOI: 10.1080/10408398.2022.2056868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
OBJECTIVES This systematic review and meta-analysis is based on randomized controlled trials evaluating the effect of physical activity on weight loss in adults undergoing bariatric surgery. The study compared certain biomarkers for individuals with and without physical activity after bariatric surgery. Secondary, the study identified potential successful interventions for the target population. METHOD PubMed, Embase, OVID, CINAHL, and Cochrane Library were searched from January 2000 to December 2020. Intervention studies on the effect of physical activity in adults after bariatric surgery were selected, included, and analyzed following the PRISMA guidelines. The primary outcome was weight loss followed by selected biomarkers. RESULTS Two independent reviewers extracted data and conducted quality assessments. Of the 11 studies included, six reported BMI, two reported fat-free mass, three reported fat mass, two reported waist-hip ratio, and two reported waist circumference. Six studies measuring change from baseline BMI reported a significant intervention effect: SMD = -0.93 (-1.65;-0.20) with high heterogeneity of included trials (I2 = 72%). There was no significant difference between control and intervention groups for other outcomes. CONCLUSION BMI as a measure of physical activity positively impacts the target population. Large-scale studies with better criteria and a longer evaluation follow-up may finalize pronounced outcomes.
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Affiliation(s)
- Amin Gasmi
- Société Francophone de Nutrithérapie et de Nutrigénétique Appliquée, Villeurbanne, France
| | | | - Geir Bjørklund
- Council for Nutritional and Environmental Medicine (CONEM), Mo i Rana, Norway
| | - Ibrahim H Elkhidir
- Department of Pathology, Faculty of Medicine, University of Khartoum, Sudan
| | - Yuliya Semenova
- Semey Medical University, Semey, Kazakhstan
- CONEM Kazakhstan Environmental Health and Safety Research Group, Semey Medical University, Semey, Kazakhstan
| | - Alexandru Dosa
- Faculty of Medicine, Ovidius University of Constanta, Constanta, Romania
| | - Salva Piscopo
- Société Francophone de Nutrithérapie et de Nutrigénétique Appliquée, Villeurbanne, France
| | | | - Sadaf Noor
- Federal University of Technology, Akure, Nigeria
- Institute of Molecular Biology and Biotechnology, Bahauddin Zakariya University Multan, Pakistan
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Sarcopenia after Roux-en-Y Gastric Bypass: Detection by Skeletal Muscle Mass Index vs. Bioelectrical Impedance Analysis. J Clin Med 2022; 11:jcm11061468. [PMID: 35329794 PMCID: PMC8951060 DOI: 10.3390/jcm11061468] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Revised: 02/28/2022] [Accepted: 03/03/2022] [Indexed: 01/06/2023] Open
Abstract
Background: In sarcopenic patients the skeletal muscle reduction is the primary symptom of age- or disease-related malnutrition, which is linked to postoperative morbidity and mortality. The skeletal muscle mass index (SMI) from magnet resonance imaging (MRI) is increasingly used as a prognostic factor in oncologic and surgical patients, but under-represented in the field of obesity surgery. The bioelectrical impedance analysis (BIA), on the other hand is a commonly used method for the estimation of the body composition of bariatric patients, but still believed to be inaccurate, because of patient-related and environmental factors. The aim of this study was to compare the postoperative SMI values as a direct, imaging measured indicator for muscle mass with the BIA results in patients undergoing Roux-en-Y gastric bypass (RYGB). Methods: We performed a prospective single-center trial. Patients undergoing RYGB between January 2010 and December 2011 at our institution were eligible for this study. MRI and BIA measurements were obtained 1 day before surgery and at 6, 12 and 24 weeks after surgery. Results: A total of 17 patients (four male, 13 female, average age of 41.9 years) were included. SMI values decreased significantly during the postoperative course (p < 0.001). Comparing preoperative and postoperative measurements at 24 weeks after surgery, increasing correlations of SMI values with body weight (r = 0.240 vs. r = 0.628), phase angle (r = 0.225 vs. r = 0.720) and body cell mass (BCM, r = 0.388 vs. r = 0.764) were observed. Conclusions: SMI decreases significantly after RYGB and is correlated to distinct parameters of body composition. These findings show the applicability of the SMI as direct imaging parameter for the measurement of the muscle mass in patients after RYGB, but also underline the important role of the BIA, as a precise tool for the estimation of patients’ body composition at low costs. BIA allows a good overview of patients’ status post bariatric surgery, including an estimation of sarcopenia.
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Ibacache-Saavedra P, Jerez-Mayorga D, Carretero-Ruiz A, Miranda-Fuentes C, Cano-Cappellacci M, Artero EG. Effects of bariatric surgery on cardiorespiratory fitness: A systematic review and meta-analysis. Obes Rev 2022; 23:e13408. [PMID: 34927337 DOI: 10.1111/obr.13408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 10/20/2021] [Accepted: 11/22/2021] [Indexed: 11/29/2022]
Abstract
Although bariatric surgery (BS) is recognized as an effective strategy for body weight loss, its impact on cardiorespiratory fitness (CRF) is still unclear. We aimed to examine postoperative changes in CRF (VO2max/peak ) and its relationship with weight loss among adults undergoing BS. We systematically searched the WoS, PubMed, MEDLINE, and Scopus databases. Observational and intervention studies were selected reporting the presurgery and postsurgery CRF, measured by breath-by-breath VO2 or its estimation. Eleven articles (312 patients) revealed that BS leads to a reduction in absolute VO2max/peak in the short term (effect size, ES = -0.539; 95%CI = -0.708, -0.369; p < 0.001), and those patients who suffered a more significant decrease in BMI after BS also had a greater loss of absolute VO2max/peak . However, VO2max/peak relative to body weight increased after surgery (ES = 0.658; 95%CI = 0.473, 0.842; p < 0.001). An insufficient number of studies were found investigating medium and long-term changes in CRF after BS. This study provides moderate-quality evidence that the weight loss induced by BS can reduce CRF in the short term, which represents a therapeutic target to optimize BS outcomes. More high-quality studies are needed to evaluate the impact of BS on VO2max/peak in the short, medium, and long term including normalized values for fat-free mass.
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Affiliation(s)
- Paulina Ibacache-Saavedra
- Exercise and Rehabilitation Sciences Laboratory, School of Physical Therapy, Faculty of Rehabilitation Sciences, Universidad Andres Bello, Santiago, Chile
| | - Daniel Jerez-Mayorga
- Exercise and Rehabilitation Sciences Laboratory, School of Physical Therapy, Faculty of Rehabilitation Sciences, Universidad Andres Bello, Santiago, Chile
| | - Alejandro Carretero-Ruiz
- Department of Education and SPORT Research Group (CTS-1024), CERNEP Research Center, University of Almería, Almeria, Spain
| | - Claudia Miranda-Fuentes
- Exercise and Rehabilitation Sciences Laboratory, School of Physical Therapy, Faculty of Rehabilitation Sciences, Universidad Andres Bello, Santiago, Chile
| | | | - Enrique G Artero
- Department of Education and SPORT Research Group (CTS-1024), CERNEP Research Center, University of Almería, Almeria, Spain
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Roth C, Schoenfeld BJ, Behringer M. Lean mass sparing in resistance-trained athletes during caloric restriction: the role of resistance training volume. Eur J Appl Physiol 2022; 122:1129-1151. [PMID: 35146569 PMCID: PMC9012799 DOI: 10.1007/s00421-022-04896-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Accepted: 01/11/2022] [Indexed: 11/30/2022]
Abstract
Many sports employ caloric restriction (CR) to reduce athletes’ body mass. During these phases, resistance training (RT) volume is often reduced to accommodate recovery demands. Since RT volume is a well-known anabolic stimulus, this review investigates whether a higher training volume helps to spare lean mass during CR. A total of 15 studies met inclusion criteria. The extracted data allowed calculation of total tonnage lifted (repetitions × sets × intensity load) or weekly sets per muscle group for only 4 of the 15 studies, with RT volume being highly dependent on the examined muscle group as well as weekly training frequency per muscle group. Studies involving high RT volume programs (≥ 10 weekly sets per muscle group) revealed low-to-no (mostly female) lean mass loss. Additionally, studies increasing RT volume during CR over time appeared to demonstrate no-to-low lean mass loss when compared to studies reducing RT volume. Since data regarding RT variables applied were incomplete in most of the included studies, evidence is insufficient to conclude that a higher RT volume is better suited to spare lean mass during CR, although data seem to favor higher volumes in female athletes during CR. Moreover, the data appear to suggest that increasing RT volume during CR over time might be more effective in ameliorating CR-induced atrophy in both male and female resistance-trained athletes when compared to studies reducing RT volume. The effects of CR on lean mass sparing seem to be mediated by training experience, pre-diet volume, and energy deficit, with, on average, women tending to spare more lean mass than men. Potential explanatory mechanisms for enhanced lean mass sparing include a preserved endocrine milieu as well as heightened anabolic signaling.
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Affiliation(s)
- C Roth
- Department of Sports Medicine and Exercise Physiology, Institute of Sport Sciences, Goethe University Frankfurt, Ginnheimer Landstrasse 39, 60487, Frankfurt/Main, Germany.
| | - B J Schoenfeld
- Department of Health Sciences, CUNY Lehman College, Bronx, NY, USA
| | - M Behringer
- Department of Sports Medicine and Exercise Physiology, Institute of Sport Sciences, Goethe University Frankfurt, Ginnheimer Landstrasse 39, 60487, Frankfurt/Main, Germany
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Alshamari S, Aly Elsherif M, Hanna F, El Akhal L, Abid H, Elhag W. The effect of protein supplements on weight loss, body composition, protein status, and micronutrients post laparoscopic sleeve gastrectomy (LSG): A Randomised Controlled Trial (RCT). Ann Med Surg (Lond) 2022; 74:103220. [PMID: 35070287 PMCID: PMC8762356 DOI: 10.1016/j.amsu.2021.103220] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Revised: 12/25/2021] [Accepted: 12/26/2021] [Indexed: 12/03/2022] Open
Abstract
Background Low protein intake post-bariatric surgery can result in protein malnutrition, and muscle mass loss. Authors aim to assess the effect of protein supplements on weight loss, body composition, and micronutrient status following LSG. Methods This is a double-blinded RCT conducted between February/2017 to January/2018. Eligible post LSG patients were randomized into the intervention group who received daily protein supplements containing 20 g of protein and placebo group received zero protein supplements. Both groups received a standardized diet. Weight loss, body composition, and micronutrient status were analyzed at 1, 3, and 6 months. Results 48 participants were included in the final analysis (intervention: 21 and placebo:27). Excess weight loss percentage (EWL%) at 6 months was comparable between both groups (69.44 ± 21.99% and 71.40 ± 19.27% respectively). No significant difference observed in the anthropometric parameters. There was an increase in muscle mass and a decrease in muscle mass loss in the intervention group throughout the study period. However, these changes were not statistically significant. There was a significant increase in total protein (P=0.027) and magnesium (P=0.008) in the intervention group at 3 months. Albumin and iron levels were significantly higher at 6 months in the intervention group (P=0.036 & P=0.028 respectively). Other micronutrients did not differ at any time point between both groups. Conclusion Protein supplements resulted in significant improvement in total protein, albumin, magnesium, and iron levels post LSG. Although not significant, protein supplements helped in maintaining the muscle mass and preventing muscle mass loss. Original article This RCT is an original article and provides a level 2 evidence. Low protein intake post-bariatric surgery results in protein malnutrition & muscle mass loss. Protein supplements may be of benefit. Eligible post LSG patients were randomized into the intervention group who received daily 20 g protein supplements & placebo group. No significant difference in weight, BMI, BMI change, EWL%, TWL%, and absolute weight loss. No statistically significant changes in the muscle mass. Percentage of muscle mass loss was noticeably higher in the control group over the 3 timelines. Fat percentages were less in the intervention group. Total protein and Albumin showed a significant increase in the intervention group.
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Intermittent fasting and continuous energy restriction result in similar changes in body composition and muscle strength when combined with a 12 week resistance training program. Eur J Nutr 2022; 61:2183-2199. [PMID: 35084574 PMCID: PMC9106626 DOI: 10.1007/s00394-022-02804-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 01/06/2022] [Indexed: 12/17/2022]
Abstract
Purpose The objective of this study was to compare the effects of 12 weeks of resistance training combined with either 5:2 intermittent fasting or continuous energy restriction on body composition, muscle size and quality, and upper and lower body strength.
Methods Untrained individuals undertook 12 weeks of resistance training plus either continuous energy restriction [20% daily energy restriction (CERT)] or 5:2 intermittent fasting [~ 70% energy restriction 2 days/week, euenergetic consumption 5 days/week (IFT)], with both groups prescribed a mean of ≥ 1.4 g of protein per kilogram of body weight per day. Participants completed 2 supervised resistance and 1 unsupervised aerobic/resistance training combination session per week. Changes in lean body mass (LBM), thigh muscle size and quality, strength and dietary intake were assessed.
Results Thirty-four participants completed the study (CERT = 17, IFT = 17). LBM was significantly increased (+ 3.7%, p < 0.001) and body weight (− 4.6%, p < 0.001) and fat (− 24.1%, p < 0.001) were significantly reduced with no significant difference between groups, though results differed by sex. Both groups showed improvements in thigh muscle size and quality, and reduced intramuscular and subcutaneous fat assessed by ultrasonography and peripheral quantitative computed tomography (pQCT), respectively. The CERT group demonstrated a significant increase in muscle surface area assessed by pQCT compared to the IFT group. Similar gains in upper and lower body strength and muscular endurance were observed between groups.
Conclusion When combined with resistance training and moderate protein intake, continuous energy restriction and 5:2 intermittent fasting resulted in similar improvements in body composition, muscle quality, and strength. ACTRN: ACTRN12620000920998, September 2020, retrospectively registered.
Supplementary Information The online version contains supplementary material available at 10.1007/s00394-022-02804-3.
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Oliveira-Junior G, Pinto RS, Shirley MK, Longman DP, Koehler K, Saunders B, Roschel H, Dolan E. The Skeletal Muscle Response to Energy Deficiency: A Life History Perspective. ADAPTIVE HUMAN BEHAVIOR AND PHYSIOLOGY 2022. [DOI: 10.1007/s40750-021-00182-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Santini S, Vionnet N, Pasquier J, Suter M, Hans D, Gonzalez-Rodriguez E, Pitteloud N, Favre L. Long-term body composition improvement in post-menopausal women following bariatric surgery: a cross-sectional and case-control study. Eur J Endocrinol 2022; 186:255-263. [PMID: 34879003 PMCID: PMC8789027 DOI: 10.1530/eje-21-0895] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 12/08/2021] [Indexed: 11/12/2022]
Abstract
OBJECTIVE Bariatric surgery (BS) induces loss of body fat mass (FM) with an inexorable loss of lean mass (LM). Menopause leads to deleterious changes in body composition (BC) related to estrogen deficiency including LM loss and increase in total and visceral adipose tissue (VAT). This study aims to describe the long-term weight evolution of post-menopausal women after Roux-en-Y gastric bypass (RYGB) and to compare the BC between BS patients vs post-menopausal non-operated women. DESIGN Cross-sectional study of 60 post-menopausal women who underwent RYGB ≥2 years prior to the study with nested case-control design. METHODS Post-menopausal BS women were matched for age and BMI with controls. Both groups underwent DXA scan, lipids and glucose metabolism markers assessment. RESULTS Median follow-up was 7.5 (2-18) years. Percentage of total weight loss (TWL%) was 28.5 ± 10%. After RYGB, LM percentage of body weight (LM%) was positively associated with TWL% and negatively associated with nadir weight. Forty-one post-BS women were age- and BMI-matched with controls. Post-BS patients showed higher LM% (57.7% (±8%) vs 52.5% (±5%), P = 0.001), reduced FM% (39.4% (±8.4%) vs 45.9% (±5.4%), P < 0.01) and lower VAT (750.6 g (±496) vs 1295.3 g (±688), P < 0.01) with no difference in absolute LM compared to controls. While post-BS women showed a better lipid profile compared to controls, no difference was found in glucose markers. CONCLUSIONS Post-menopausal women after RYGB have a lower FM and VAT, preserved LM and a better lipid profile compared to controls. Weight loss after RYGB seems to have a persistent positive impact on metabolic health.
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Affiliation(s)
- Sara Santini
- Division of Endocrinology, Diabetology, and Metabolism, Lausanne University Hospital, Lausanne, Switzerland
| | - Nathalie Vionnet
- Division of Endocrinology, Diabetology, and Metabolism, Lausanne University Hospital, Lausanne, Switzerland
| | - Jérôme Pasquier
- Center for Primary Care and Public Health (Unisanté), University of Lausanne, Lausanne, Switzerland
| | - Michel Suter
- Department of Visceral Surgery, Lausanne University Hospital, Lausanne, Switzerland
- Department of Surgery, Riviera-Chablais Hospital, Rennaz, Switzerland
- Faculty of Biology and medicine, University of Lausanne, Lausanne, Switzerland
| | - Didier Hans
- Faculty of Biology and medicine, University of Lausanne, Lausanne, Switzerland
- Interdisciplinary Center for Bone Diseases, Lausanne University Hospital, Lausanne, Switzerland
| | - Elena Gonzalez-Rodriguez
- Faculty of Biology and medicine, University of Lausanne, Lausanne, Switzerland
- Interdisciplinary Center for Bone Diseases, Lausanne University Hospital, Lausanne, Switzerland
| | - Nelly Pitteloud
- Division of Endocrinology, Diabetology, and Metabolism, Lausanne University Hospital, Lausanne, Switzerland
- Faculty of Biology and medicine, University of Lausanne, Lausanne, Switzerland
| | - Lucie Favre
- Division of Endocrinology, Diabetology, and Metabolism, Lausanne University Hospital, Lausanne, Switzerland
- Faculty of Biology and medicine, University of Lausanne, Lausanne, Switzerland
- Correspondence should be addressed to L Favre;
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Schurmans G, Caty G, Reychler G. Is the Peri-Bariatric Surgery Exercise Program Effective in Adults with Obesity: a Systematic Review. Obes Surg 2022; 32:512-535. [PMID: 34981321 DOI: 10.1007/s11695-021-05693-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Revised: 08/25/2021] [Accepted: 08/29/2021] [Indexed: 11/30/2022]
Abstract
The number of people with obesity continues to increase. Bariatric surgery is the most effective treatment for severe obesity. However, this surgery also has disadvantages, such as an increased risk of excessive loss of fat-free mass, lean body mass, and muscle mass compared to other weight loss interventions. PubMed and Cochrane Library database including articles in English, Dutch, French, and German were used. From the 3609 retrieved references, 20 articles were selected. Compared with the control group, physical exercise improved body mass index (5 of 13 articles), weight loss (7 of 17 articles), functional capacity (2 of 5 articles), muscle strength (1 of 1 article), fat-free mass (3 of 5 articles), cardiorespiratory endurance (4 of 6 articles), and quality of life (2 of 4 articles) in obese patients undergoing BS. Current data is suggestive of positive effects of exercise on body mass index, weight loss, functional capacity, muscle strength, fat-free mass, cardiorespiratory endurance, and quality of life in obese patients undergoing bariatric surgery. However, our conclusions are limited because of the heterogeneity of programs and short studies. Further research is needed to determine the most effective physical exercise program in peri-bariatric surgery.
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Affiliation(s)
- Gaëlle Schurmans
- Institut de Recherche Expérimentale et Clinique (IREC), Groupe de Recherche en Kinésithérapie Respiratoire, Université Catholique de Louvain, 1200, Brussels, Belgium.
| | - Gilles Caty
- Service de Médecine Physique, Centre Hospitalier Wallonie Picarde (CHWAPI), Avenue Delmée 9, 7500, Tournai, Belgium
| | - Gregory Reychler
- Institut de Recherche Expérimentale et Clinique (IREC), Groupe de Recherche en Kinésithérapie Respiratoire, Université Catholique de Louvain, 1200, Brussels, Belgium.,Service de Pneumologie, Cliniques Universitaires Saint-Luc, 1200, Brussels, Belgium.,Cliniques Universitaires Saint-Luc, Secteur de kinésithérapie, 1200, Brussels, Belgium
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Influence of fat-free mass and resting metabolic rate on increased food reinforcement after exercise training. SPORT SCIENCES FOR HEALTH 2022. [DOI: 10.1007/s11332-021-00876-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Abstract
Purpose
Models of appetite control have been largely based on negative feedback from gut and adipose signaling to central appetite centers. However, contemporary models posit that fat-free mass (FFM) or the energy demand of FFM [i.e., resting metabolic rate (RMR)] may play a primary role in the motivational drive for food intake (i.e., food reinforcement). The relative reinforcing value of food (RRVfood) is associated with energy intake (EI) and increases with an acute energy deficit. Chronic exercise-induced energy deficits lead to alterations in fat mass (FM), FFM, and RMR and provide an opportunity to test whether change in (∆) FM, ∆FFM, ∆usual EI, or ∆RMR are associated with ∆RRVfood.
Methods
Participants (n = 29, BMI = 25–35 kg/m2) engaged in aerobic exercise expending 300 or 600 kcal, 5 days/weeks for 12 weeks. The reinforcing value of food (PMaxfood) was measured via a computer-based operant responding task and RRVfood was calculated as the reinforcing value of food relative to non-eating sedentary behaviors. RMR was determined by indirect calorimetry and body composition by DXA.
Results
Post-training FFM correlated with usual post-training EI (rs = 0.41, p < 0.05), PMaxfood (rs=0.52, p < 0.01), and RMR (rs = 0.85, p < 0.0001). ∆RMR negatively correlated with ∆PMaxfood (rs = − 0.38, p < 0.05) and with ∆RRVfood (rs = − 0.37, p < 0.05). ∆PMaxfood and ∆RRVfood were not associated with ∆FFM (p = 0.71, p = 0.57, respectively).
Conclusions
Reductions in RMR with weight loss may increase food reinforcement as means of restoring FFM and RMR to pre-weight loss amounts. Limiting reductions in RMR during weight loss may benefit weight maintenance by restricting increases in food reinforcement after weight loss.
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Bahadori E, Esfehani AJ, Bahrami LS, Shadmand Foumani Moghadam MR, Jangjoo A, Nematy M, Roghani A, Rezvani R. Identifying the Predictors of Short Term Weight Loss Failure after Roux-En-Y Gastric Bypass. Int J Clin Pract 2022; 2022:2685292. [PMID: 36349055 PMCID: PMC9629942 DOI: 10.1155/2022/2685292] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Accepted: 10/17/2022] [Indexed: 11/18/2022] Open
Abstract
INTRODUCTION Gastric bypass surgery is a gold standard therapy for severe obesity. This study aimed to evaluate anthropometric predictors for short-term excess weight loss (EWL) after Roux-en-Y gastric bypass surgery (RYGB) in a sample of severely obese patients. MATERIALS AND METHODS This cohort study was conducted on severely obese candidates for RYGB bariatric surgery in Mashhad, Iran. Indirect calorimetry, anthropometric measurements, and body composition data were collected before, one, and six months after RYGB. RESULTS Fifty-four participants (43, 79.6% women and 11, 20.4% men) with a mean age of 39.63 ± 9.66 years participated in this study. The mean total weight and BMI loss within six months were 32.89 ± 20.22 kg and 12.37 ± 7.34 kg/m2, respectively. The mean reduction in adipose tissue and fat-free mass was 24.49 kg and 7.46 kg, respectively. The mean resting metabolism rate (RMR) reduction at one and six months after RYGB was 260.49 kcal and 396.07 kcal, respectively. There was a significant difference in mean RMR between the baseline and one and six months after RYGB (p < 0.001). There was no significant gender difference in mean weight and BMI loss percentage at six months post-RYGB (p > 0.05). Baseline skeletal muscle mass (SMM), excess BMI loss (EBMIL) at first month after surgery, and baseline neck circumference (NC) could predict EWL six months after surgery. CONCLUSION Reduced RMR shortly after RYGB may be due to FFM reduction. Some anthropometric and their acute changes after RYGB may predict the short-term EWL in RYGB patients.
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Affiliation(s)
- Effat Bahadori
- Department of Nutrition, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Leila Sadat Bahrami
- Department of Nutrition, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Ali Jangjoo
- Surgical Oncology Research Center, Imam Reza Hospital, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohsen Nematy
- Department of Nutrition, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Afshin Roghani
- Institute for Sustainable Horticulture (ISH), 20901 Langley Bypass, Langley, BC V3A 8G9, Canada
| | - Reza Rezvani
- Department of Nutrition, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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Miranda-Peñarroya G, Vallejo-Gracia M, Ruiz-León AM, Saenger-Ruiz F, Sorio-Fuentes R, Izquierdo-Pulido M, Farran-Codina A. Development and Validation of a Short Questionnaire on Dietary and Physical Activity Habits for Patients Submitted to Bariatric Endoscopic Therapies. Obes Surg 2022; 32:142-151. [PMID: 34664149 PMCID: PMC8752550 DOI: 10.1007/s11695-021-05754-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 10/08/2021] [Accepted: 10/08/2021] [Indexed: 11/17/2022]
Abstract
PURPOSE Individuals with obesity frequently regain weigh after endoscopic bariatric therapies (EBT) unless they adhere to healthy habits. The objective was to create and validate a short, self-administered questionnaire (EMOVE) to assess healthy dietary and physical activity (PA) habits' adherence to be used in clinical practice. MATERIALS AND METHODS In this prospective, unicentric study, 463 patients completed the short, Spanish EMOVE questionnaire, to be validated following the Medical Outcome Trust Criteria. Conceptual and measurement model, reliability (internal consistency and test-retest [subgroup of 93 patients]), construct validity, responsiveness, interpretability, and burden were evaluated. Patients enrolled from January 2017 through August 2018 and auto-filled the EMOVE at baseline and at 3, 6, and 12 months. RESULTS Patients submitted to intragastric ballon for 6 and 12 months or POSE were 82.7% women with a mean age of 42.7 years, and a mean BMI of 37.1 kg/m2. Four factors were extracted with exploratory factor analysis related to intake frequency, portions and proportions, time and place of eating, and physical activity. EMOVE showed adequate internal consistency (α = 0.73), very good test-retest (r = 0.91, CI: 0.86-0.94; p < 0.001), moderate construct validity of dietary (r = 0.24, CI: 0.11-0.37, p < 0.001), and PA habits (r = 0.44, CI 0.30-0.58; p < 0.001). Stable responsiveness, with correlations from 0.29 to 0.39 (p < 0.001) between the EMOVE scores and the % of total weight loss at 3, 6, and 12 months. Participants categorized as having good or excellent habits (score ≥ 30 points) lost significantly more weight (p < 0.05). Finally, the administration burden was 2.96 min. CONCLUSION The EMOVE is a useful tool in Spanish language to easily assess the level of adherence to healthy dietary and PA habits to be used routinely in clinical practice.
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Affiliation(s)
- Gemma Miranda-Peñarroya
- Clínica Opción Médica S.L, Barcelona, Spain
- Departament d'Infermeria Fonamental i Medicoquirúrgica de La Facultat de Medicina, Universitat de Barcelona, Barcelona, Spain
- Departament de Nutrició, Ciències de L'Alimentació i Gastronomia, Universitat de Barcelona, Campus de l'Alimentació de Torribera, Santa Coloma de Gramenet, 08921, Barcelona, Spain
| | | | - Ana-Maria Ruiz-León
- Departament de Medicina Interna, Hospital Clínic, Institut d'Investigació Biomèdica August Pi i Sunyer (IDIBAPS), Universitat de Barcelona, Barcelona, Spain
- CIBER de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | | | | | - Maria Izquierdo-Pulido
- Departament de Nutrició, Ciències de L'Alimentació i Gastronomia, Universitat de Barcelona, Campus de l'Alimentació de Torribera, Santa Coloma de Gramenet, 08921, Barcelona, Spain
- Institut de Recerca en Nutrició i Seguretat Alimentaria (INSA), Universitat de Barcelona, Barcelona, Spain
| | - Andreu Farran-Codina
- Departament de Nutrició, Ciències de L'Alimentació i Gastronomia, Universitat de Barcelona, Campus de l'Alimentació de Torribera, Santa Coloma de Gramenet, 08921, Barcelona, Spain.
- Institut de Recerca en Nutrició i Seguretat Alimentaria (INSA), Universitat de Barcelona, Barcelona, Spain.
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Kuo CH, Harris MB, Jensen J, Alkhatib A, Ivy JL. Editorial: Possible Mechanisms to Explain Abdominal Fat Loss Effect of Exercise Training Other Than Fatty Acid Oxidation. Front Physiol 2021; 12:789463. [PMID: 34867489 PMCID: PMC8638619 DOI: 10.3389/fphys.2021.789463] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Accepted: 10/19/2021] [Indexed: 11/19/2022] Open
Affiliation(s)
- Chia-Hua Kuo
- Laboratory of Exercise Biochemistry, College of Kinesiology, University of Taipei, Taipei, Taiwan
| | - M Brennan Harris
- Department of Health Sciences, College of William and Mary, Williamsburg, VA, United States
| | - Jørgen Jensen
- Department of Physical Performance, Norwegian School of Sport Sciences, Oslo, Norway
| | - Ahmad Alkhatib
- Laboratory of Exercise Biochemistry, University of Taipei, Taipei, Taiwan.,School of Health and Life Sciences, Teesside University, Middlesbrough, United Kingdom
| | - John L Ivy
- Exercise Physiology and Metabolism Laboratory, Department of Kinesiology and Health Education, University of Texas at Austin, Austin, TX, United States
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Abe T, Loenneke JP. Is an Exercise Intervention the only way to Reduce Visceral Fat without Reducing Fat-free Mass in Children and Adolescents? EXERCISE MEDICINE 2021. [DOI: 10.26644/em.2021.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Objectives: To maintain proper development, it is recommended that children/adolescents focus more on increasing physical activity than dietary restriction when treating obesity. In other words, adults are better able to tolerate the reductions in fat-free body mass that often occur when trying to lose fat mass. In contrast, children and adolescents should avoid losses in fat-free mass in order to ensure proper development. Therefore, when trying to reduce visceral fat in children via a negative energy balance (i.e., exercise with or without calorie restriction), it is necessary to set desirable conditions in order to minimize the loss of fat-free mass. To determine whether this is possible, we reviewed literature discussing the relationship between changes in visceral fat obtained by abdominal imaging and changes in total body fat and fat-free mass after exercise training with and without calorie restriction in children and adolescents.Methods: Literature review.Results and Conclusions: Previous work found no reduction in fat-free mass in the exercise interventions in which there was no dietary-induced calorie restriction. This supports the idea that reducing visceral fat by increasing physical activity is the preferred strategy over dietary restriction in children and adolescents. Although factors such as the type (e.g. aerobic and/or resistance) of exercise and the amount (i.e. energy expenditure) of exercise will likely have an effect on the magnitude of change in intra-abdominal visceral fat, the quantity of each that is needed without reducing fat-free mass is currently unknown.
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Bridger Staatz C, Kelly Y, Lacey RE, Blodgett JM, George A, Arnot M, Walker E, Hardy R. Socioeconomic position and body composition in childhood in high- and middle-income countries: a systematic review and narrative synthesis. Int J Obes (Lond) 2021; 45:2316-2334. [PMID: 34315999 PMCID: PMC8528703 DOI: 10.1038/s41366-021-00899-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 05/24/2021] [Accepted: 06/30/2021] [Indexed: 02/06/2023]
Abstract
BACKGROUND The relation between socioeconomic position (SEP) and obesity measured by body mass index (BMI), a measure of weight for height, has been extensively reviewed in children, showing consistent associations between disadvantaged SEP and higher BMI in high-income countries (HICs) and lower BMI in middle-income countries (MICs). Fat mass (FM), a more accurate measure of adiposity, and fat-free mass (FFM) are not captured by BMI, but have been shown to track from childhood to adulthood, and be important for cardiovascular health and functional outcomes in later life. It is not clear whether body composition is associated with SEP. We systematically reviewed the association between SEP and body composition in childhood. METHODS A systematic review was carried out following PRISMA guidelines. The protocol was pre-registered with PROSPERO (CRD42019119937). Original studies in the English language, which examined the association between SEP and body composition in childhood, were included. An electronic search of three databases was conducted. Two independent reviewers carried out screening, data extraction and quality assessment. Due to heterogeneity in results, a narrative synthesis was conducted. Heterogeneity in findings according to SEP, sex, body composition measure and country income level was investigated. RESULTS 50 papers were included, the majority from HICs. No papers were from low-income countries. Disadvantage in childhood was associated with greater FM and lower FFM in HICs, but with lower FM and lower FFM in MICs. When measures of FFM indexed to height were used there was no evidence of associations with SEP. In HICs, more studies reported associations between disadvantaged SEP and higher FM among girls comparative to boys. CONCLUSIONS Inequalities in FM are evident in HICs and, in the opposite direction, in MICs and follow similar trends to inequalities for BMI. Inequalities in height are likely important in understanding inequalities in FFM.
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Affiliation(s)
- Charis Bridger Staatz
- Social Research Institute, Institute of Education, University College London, London, UK.
| | - Yvonne Kelly
- Department of Epidemiology and Public Health, University College London, London, UK
| | - Rebecca E Lacey
- Department of Epidemiology and Public Health, University College London, London, UK
| | - Joanna M Blodgett
- Institute of Sport Exercise and Health, Division of Surgery and Interventional Science, Faculty of Medical Sciences, University College London, London, UK
| | - Anitha George
- Department of Epidemiology and Public Health, University College London, London, UK
| | - Megan Arnot
- Department of Anthropology, University College London, London, UK
| | - Emma Walker
- Department of Epidemiology and Public Health, University College London, London, UK
| | - Rebecca Hardy
- Social Research Institute, Institute of Education, University College London, London, UK
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