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de Brito BB, Braga GB, Martins CA, Lopes-Júnior LC, Salaroli LB, Lopes AB, Haraguchi FK. Poor diet quality is associated with biochemical parameters of protein nutritional status after Roux-en-Y gastric bypass. Nutrition 2024; 123:112419. [PMID: 38581848 DOI: 10.1016/j.nut.2024.112419] [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: 09/07/2023] [Revised: 12/18/2023] [Accepted: 03/05/2024] [Indexed: 04/08/2024]
Abstract
OBJECTIVE To assess diet quality and its association with body and biochemical parameters in patients who underwent Roux-en-Y gastric bypass (RYGB). METHODS Prospective observational study with individuals of both sexes subjected to RYGB. Body composition, biochemical parameters, and diet quality were assessed before and six months after RYGB. Diet quality was assessed by the Healthy Eating Index (HEI). Data were analyzed by the paired t-test or Wilcoxon signed-rank test, with a significance level of 5%. Spearman's correlation and simple linear regression were performed between variables. RESULTS The final sample included 34 patients. Their diet was classified as poor before and 6 mo after RYGB. BMI, fat mass, fat-free mass, waist perimeter, serum total protein, transthyretin, alpha-1-acid glycoprotein, and C-reactive protein decreased significantly (P < 0.05). Variations in the HEI score and caloric intake were associated with serum albumin and transthyretin (P < 0.05). CONCLUSION Poor diet quality was present before and six months after RYGB, and the study data suggest that poor diet quality is associated to a risk of loss of lean body mass and visceral protein six months after RYGB.
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Affiliation(s)
- Beatriz Bobbio de Brito
- Graduate Program in Nutrition and Health (PPGNS), Federal University of Espírito Santo, Maruípe, Vitória, Brazil
| | - Gabriela Bernabé Braga
- Graduate Program in Nutrition and Health (PPGNS), Federal University of Espírito Santo, Maruípe, Vitória, Brazil
| | - Cleodice Alves Martins
- Graduate Program in Nutrition and Health (PPGNS), Federal University of Espírito Santo, Maruípe, Vitória, Brazil
| | - Luís Carlos Lopes-Júnior
- Graduate Program in Nutrition and Health (PPGNS), Federal University of Espírito Santo, Maruípe, Vitória, Brazil; Graduate Program in Collective Health (PPGSC), Federal University of Espírito Santo, Maruípe, Vitória, Brazil
| | - Luciane Bresciani Salaroli
- Graduate Program in Nutrition and Health (PPGNS), Federal University of Espírito Santo, Maruípe, Vitória, Brazil; Graduate Program in Collective Health (PPGSC), Federal University of Espírito Santo, Maruípe, Vitória, Brazil; Department of Integrated Health Education (DEIS), Health Sciences Center, Federal University of Espírito Santo, Maruípe, Vitória, Brazil
| | - Andressa Bolsoni Lopes
- Graduate Program in Nutrition and Health (PPGNS), Federal University of Espírito Santo, Maruípe, Vitória, Brazil
| | - Fabiano Kenji Haraguchi
- Graduate Program in Nutrition and Health (PPGNS), Federal University of Espírito Santo, Maruípe, Vitória, Brazil; Department of Integrated Health Education (DEIS), Health Sciences Center, Federal University of Espírito Santo, Maruípe, Vitória, Brazil.
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Zhan D, Long Z, Yang H, Wang H, He C, Yin J, Yu J, Fu L, Liu Y. Protein Supplements with Short Peptides Are Better than Complex Protein-Based Supplements on Improving Early Fat-Free Mass Loss Following Bariatric Surgery: A Retrospective Cohort Study. Obes Surg 2024; 34:1608-1617. [PMID: 38530552 DOI: 10.1007/s11695-024-07157-w] [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: 08/02/2023] [Revised: 03/05/2024] [Accepted: 03/06/2024] [Indexed: 03/28/2024]
Abstract
INTRODUCTION Bariatric surgery (BS) patients are advised to consume protein supplements to prevent fat-free mass (FFM) loss. However, limited research has explored the efficacy of diverse protein presentations on FFM preservation. This study assesses if short peptide-based (SPB) supplements surpass complex protein-based (CPB) supplements in reducing early FFM loss post-surgery. METHODS In this retrospective cohort study, 138 patients who underwent BS other than Roux-en-Y-gastric bypass (RYGB) between January 2021 and March 2021 at the Department of Bariatric Surgery of the Third People's Hospital of Chengdu were included for analysis. Patients were divided into two groups based on their consumption of protein supplements after surgery: SPB group and CPB group. Multiple linear regressions separated by sex were employed to examine the associations between SPB supplements and FFM loss and percentage of FFM (%FFM) loss, respectively. RESULTS Among participants, 69.6% were female, with a mean age of 33.3 years. In multiple linear regression analyses, SPB supplements were significantly and positively associated with a lower FFM loss in both female (ꞵ = - 1.14, P = 0.047) and male (ꞵ = - 2.36, P = 0.024), and were positively associated with a lower %FFM loss in both female (ꞵ = - 1.83) and male (ꞵ = - 2.26) but only significant in male (P = 0.049). CONCLUSION SPB supplements may be more effective in preventing early FFM loss after BS, compared to CPB supplements, particularly among male patients. Therefore, SPB supplements may be recommended to patients undergoing BS. Further research is needed to validate these findings.
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Affiliation(s)
- Dafang Zhan
- The Center of Gastrointestinal and Minimally Invasive Surgery, Department of General Surgery, The Third People's Hospital of Chengdu, The Affiliated Hospital of Southwest Jiaotong University, Chengdu, 610031, China
| | - Zhiwen Long
- Recovery Plus Clinic, Chengdu, 610095, China
| | - Huawu Yang
- The Center of Gastrointestinal and Minimally Invasive Surgery, Department of General Surgery, The Third People's Hospital of Chengdu, The Affiliated Hospital of Southwest Jiaotong University, Chengdu, 610031, China
| | - Han Wang
- The Center of Gastrointestinal and Minimally Invasive Surgery, Department of General Surgery, The Third People's Hospital of Chengdu, The Affiliated Hospital of Southwest Jiaotong University, Chengdu, 610031, China
| | | | - Jun Yin
- Recovery Plus Clinic, Chengdu, 610095, China
| | - Jiahui Yu
- The Center of Gastrointestinal and Minimally Invasive Surgery, Department of General Surgery, The Third People's Hospital of Chengdu, The Affiliated Hospital of Southwest Jiaotong University, Chengdu, 610031, China
| | - Luo Fu
- The Center of Gastrointestinal and Minimally Invasive Surgery, Department of General Surgery, The Third People's Hospital of Chengdu, The Affiliated Hospital of Southwest Jiaotong University, Chengdu, 610031, China
| | - Yanjun Liu
- The Center of Gastrointestinal and Minimally Invasive Surgery, Department of General Surgery, The Third People's Hospital of Chengdu, The Affiliated Hospital of Southwest Jiaotong University, Chengdu, 610031, China.
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Aguas-Ayesa M, Yárnoz-Esquíroz P, Olazarán L, Gómez-Ambrosi J, Frühbeck G. Precision nutrition in the context of bariatric surgery. Rev Endocr Metab Disord 2023; 24:979-991. [PMID: 36928810 PMCID: PMC10020075 DOI: 10.1007/s11154-023-09794-5] [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: 02/28/2023] [Indexed: 03/17/2023]
Abstract
Bariatric surgery (BS) is the most effective long-term treatment for severe obesity. This review summarizes the main nutritional deficiencies before and after BS, as well as current dietary and supplementation recommendations to avoid them. Likewise, we have reviewed all those aspects that in recent years have been shown to be related to postoperative weight loss (WL) and its subsequent maintenance, such as hormonal changes, dietary patterns, changes in food preference, adherence to recommendations and follow-up, genetic factors and microbiota, among others. Despite all the knowledge, nutritional deficiencies and weight regain after BS are frequent. It is essential to continue studying in this field in order to establish more precise recommendations according to the individual characteristics of patients. It is also a major objective to understand more deeply the role of the factors involved in WL and its maintenance. This will allow the development of precision treatments and nutrition for patients with obesity, optimizing their benefit after BS.
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Affiliation(s)
- Maite Aguas-Ayesa
- Department of Endocrinology and Nutrition, Clínica Universidad de Navarra, 31008, Pamplona, Spain.
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y Nutrición (CIBEROBN), 31008, Pamplona, Spain.
| | - Patricia Yárnoz-Esquíroz
- Department of Endocrinology and Nutrition, Clínica Universidad de Navarra, 31008, Pamplona, Spain
- Navarra Institute for Health Research, 31008, IdiSNA, Pamplona, Spain
| | - Laura Olazarán
- Department of Endocrinology and Nutrition, Clínica Universidad de Navarra, 31008, Pamplona, Spain
- Navarra Institute for Health Research, 31008, IdiSNA, Pamplona, Spain
| | - Javier Gómez-Ambrosi
- Navarra Institute for Health Research, 31008, IdiSNA, Pamplona, Spain
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y Nutrición (CIBEROBN), 31008, Pamplona, Spain
- Metabolic Research Laboratory, Clínica Universidad de Navarra, 31008, Pamplona, Spain
| | - Gema Frühbeck
- Department of Endocrinology and Nutrition, Clínica Universidad de Navarra, 31008, Pamplona, Spain.
- Navarra Institute for Health Research, 31008, IdiSNA, Pamplona, Spain.
- Centro de Investigación Biomédica en Red Fisiopatología de la Obesidad y Nutrición (CIBEROBN), 31008, Pamplona, Spain.
- Metabolic Research Laboratory, Clínica Universidad de Navarra, 31008, Pamplona, Spain.
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Liao WC, Wang TJ, Liu CY, Liu TP, Liang SY, Chang KS. Risk of Malnutrition in Adults Who Have Undergone Sleeve Gastrectomy: A Retrospective Study. Nutrients 2023; 15:3858. [PMID: 37686890 PMCID: PMC10490506 DOI: 10.3390/nu15173858] [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: 07/17/2023] [Revised: 08/29/2023] [Accepted: 09/01/2023] [Indexed: 09/10/2023] Open
Abstract
Sleeve gastrectomy achieves long-term weight control by reducing gastric volume. However, postoperative gastrointestinal symptoms and insufficient nutritional intake are likely to occur, which are not conducive to physical health. A retrospective study aimed to investigate changes in nutritional status and associated factors in patients after sleeve gastrectomy. Data were collected from the medical records of patients who underwent sleeve gastrectomy at a teaching hospital in Taiwan. Data from 120 patients who met the eligibility criteria were included in the analysis. The results show that sleeve gastrectomy has a strong weight loss effect. Within 12 months, the average body mass index of the patients decreased by 13.47 kg/m2. The number of morbidly obese patients decreased from 62 (51.7%) to 3 (2.5%). However, surgery is also associated with gastrointestinal symptoms and the threat of malnutrition. The number of patients with moderate to severe nutritional risk increased from 4 (3.3%) before surgery to 24 (20%) at 12-month follow-up. Likewise, the number of patients with anemia increased from 11 (9.2%) to 29 (24.17%). Gender, constipation, and diarrhea affected postoperative nutritional status. These findings suggest that patients after sleeve gastrectomy are at risk of malnutrition and require regular monitoring. Special attention should be given to women and patients with constipation or diarrhea, as they are at a particularly high risk of malnutrition.
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Affiliation(s)
- Wan-Chun Liao
- Division of General, Department of Surgery, MacKay Memorial Hospital, Taipei City 10449, Taiwan; (W.-C.L.); (T.-P.L.)
| | - Tsae-Jyy Wang
- School of Nursing, National Taipei University of Nursing and Health Sciences, Taipei City 11219, Taiwan;
| | - Chieh-Yu Liu
- Department of Health Care Management, National Taipei University of Nursing and Health Sciences, Taipei City 11219, Taiwan;
| | - Tsang-Pai Liu
- Division of General, Department of Surgery, MacKay Memorial Hospital, Taipei City 10449, Taiwan; (W.-C.L.); (T.-P.L.)
| | - Shu-Yuan Liang
- School of Nursing, National Taipei University of Nursing and Health Sciences, Taipei City 11219, Taiwan;
| | - Ko-Shih Chang
- School of Nursing, National Taipei University of Nursing and Health Sciences, Taipei City 11219, Taiwan;
- Division of Cardiovascular Medicine, Yuan Rung Hospital, Changhua 51045, Taiwan
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Orioli L, Canouil M, Sawadogo K, Ning L, Deldicque L, Lause P, de Barsy M, Froguel P, Loumaye A, Deswysen Y, Navez B, Bonnefond A, Thissen JP. Identification of myokines susceptible to improve glucose homeostasis after bariatric surgery. Eur J Endocrinol 2023; 189:409-421. [PMID: 37638789 DOI: 10.1093/ejendo/lvad122] [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: 04/01/2023] [Revised: 07/20/2023] [Accepted: 08/03/2023] [Indexed: 08/29/2023]
Abstract
IMPORTANCE AND OBJECTIVE The identification of myokines susceptible to improve glucose homeostasis following bariatric surgery could lead to new therapeutic approaches for type 2 diabetes. METHODS Changes in the homeostasis model assessment (HOMA) test were assessed in patients before and 3 months after bariatric surgery. Changes in myokines expression and circulating levels were assessed using real-time quantitative polymerase chain reaction (RT-qPCR) and enzyme-linked immunosorbent assay (ELISA). Myokines known to regulate glucose homeostasis were identified using literature (targeted study) and putative myokines using RNA-sequencing (untargeted study). A linear regression analysis adjusted for age and sex was used to search for associations between changes in the HOMA test and changes in myokines. RESULTS In the targeted study, brain-derived neurotrophic factor (BDNF) expression was upregulated (+30%, P = .006) while BDNF circulating levels were decreased (-12%, P = .001). Upregulated BDNF expression was associated with decreased HOMA of insulin resistance (HOMA-IR) (adjusted estimate [95% confidence interval {CI}]: -0.51 [-0.88 to -0.13], P = .010). Decreased BDNF serum levels were associated with decreased HOMA of beta-cell function (HOMA-B) (adjusted estimate [95% CI] = 0.002 [0.00002-0.0031], P = .046). In the untargeted study, upregulated putative myokines included XYLT1 (+64%, P < .001), LGR5 (+57, P< .001), and SPINK5 (+46%, P < .001). Upregulated LGR5 was associated with decreased HOMA-IR (adjusted estimate [95% CI] = -0.50 [-0.86 to -0.13], P = .009). Upregulated XYLT1 and SPINK5 were associated with increased HOMA of insulin sensitivity (HOMA-S) (respectively, adjusted estimate [95% CI] = 109.1 [28.5-189.8], P = .009 and 16.5 [0.87-32.19], P = .039). CONCLUSIONS Improved glucose homeostasis following bariatric surgery is associated with changes in myokines expression and circulating levels. In particular, upregulation of BDNF, XYLT1, SPINK5, and LGR5 is associated with improved insulin sensitivity. These results suggest that these myokines could contribute to improved glucose homeostasis following bariatric surgery. STUDY REGISTRATION NCT03341793 on ClinicalTrials.gov (https://clinicaltrials.gov/).
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Affiliation(s)
- Laura Orioli
- Endocrinology, Diabetes, and Nutrition, Institute of Experimental and Clinical Research, Université Catholique de Louvain, 1200 Brussels, Belgium
- Department of Endocrinology and Nutrition, Cliniques Universitaires Saint-Luc, 1200 Brussels, Belgium
| | - Mickaël Canouil
- Inserm U1283, CNRS UMR 8199, European Genomic Institute for Diabetes, Institut Pasteur de Lille, 59000 Lille, France
- University of Lille, Lille University Hospital, 59000 Lille, France
| | - Kiswendsida Sawadogo
- Statistical Support Unit, King Albert II Cancer and Hematology Institute, Cliniques Universitaires Saint-Luc, 1200 Brussels, Belgium
| | - Lijiao Ning
- Inserm U1283, CNRS UMR 8199, European Genomic Institute for Diabetes, Institut Pasteur de Lille, 59000 Lille, France
- University of Lille, Lille University Hospital, 59000 Lille, France
| | - Louise Deldicque
- Institute of NeuroScience, Université Catholique de Louvain, 1348 Louvain-La-Neuve, Belgium
| | - Pascale Lause
- Endocrinology, Diabetes, and Nutrition, Institute of Experimental and Clinical Research, Université Catholique de Louvain, 1200 Brussels, Belgium
| | - Marie de Barsy
- Department of Endocrinology and Nutrition, Cliniques Universitaires Saint-Luc, 1200 Brussels, Belgium
| | - Philippe Froguel
- Inserm U1283, CNRS UMR 8199, European Genomic Institute for Diabetes, Institut Pasteur de Lille, 59000 Lille, France
- University of Lille, Lille University Hospital, 59000 Lille, France
- Department of Metabolism, Digestion, and Reproduction, Imperial College London, London SW7 2BX, United Kingdom
| | - Audrey Loumaye
- Endocrinology, Diabetes, and Nutrition, Institute of Experimental and Clinical Research, Université Catholique de Louvain, 1200 Brussels, Belgium
- Department of Endocrinology and Nutrition, Cliniques Universitaires Saint-Luc, 1200 Brussels, Belgium
| | - Yannick Deswysen
- Department of Oeso-gastro-duodenal and Bariatric Surgery, Cliniques Universitaires Saint-Luc, 1200 Brussels, Belgium
| | - Benoit Navez
- Department of Oeso-gastro-duodenal and Bariatric Surgery, Cliniques Universitaires Saint-Luc, 1200 Brussels, Belgium
| | - Amélie Bonnefond
- Inserm U1283, CNRS UMR 8199, European Genomic Institute for Diabetes, Institut Pasteur de Lille, 59000 Lille, France
- University of Lille, Lille University Hospital, 59000 Lille, France
| | - Jean-Paul Thissen
- Endocrinology, Diabetes, and Nutrition, Institute of Experimental and Clinical Research, Université Catholique de Louvain, 1200 Brussels, Belgium
- Department of Endocrinology and Nutrition, Cliniques Universitaires Saint-Luc, 1200 Brussels, Belgium
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Hayashi D, Masterson TD, Rogers AM, Rigby A, Butt M. Psychometric Analysis of the Rapid Eating Assessment for Participants-Short Form to Evaluate Dietary Quality in a Pre-Surgical Bariatric Population. Nutrients 2023; 15:3372. [PMID: 37571309 PMCID: PMC10420949 DOI: 10.3390/nu15153372] [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: 06/18/2023] [Revised: 07/25/2023] [Accepted: 07/28/2023] [Indexed: 08/13/2023] Open
Abstract
Dietary quality and eating behaviors are essential to evaluating bariatric surgery candidates. The Rapid Eating Assessment for Participants-Short Form (REAP-S) is a previously validated measure of dietary quality suited for use in primary care. This study aimed to evaluate the psychometric properties of the REAP-S in a pre-surgical bariatric population. This study included data from one academic medical center from August 2020 to August 2022. Variables included socio-demographics, the REAP-S, mental health, and assessments of appetitive traits. Statistical methods included Cronbach's alpha, confirmatory factor analysis (CFA), and multivariable analyses. A total of 587 adult patients were included in this analysis. The mean score for the REAP-S was 28.32 (SD: 4.02), indicative of relatively moderate dietary quality. The internal consistency of the REAP-S was moderate, with a Cronbach's alpha of 0.65. The three-factor CFA model resulted in a comparative fit index of 0.91. Race (p = 0.01), body mass index (p = 0.01), food fussiness (p < 0.0001), food responsiveness (p = 0.005), and socially desirable responses (p = 0.003) were significantly associated with the total REAP-S score. Although the REAP-S's original purpose was to assess dietary quality within a primary care population, it shows promise for application within a bariatric surgery-seeking population.
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Affiliation(s)
- Daisuke Hayashi
- Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA 16802, USA; (D.H.); (T.D.M.)
| | - Travis D. Masterson
- Department of Nutritional Sciences, The Pennsylvania State University, University Park, PA 16802, USA; (D.H.); (T.D.M.)
| | - Ann M. Rogers
- Division of Minimally Invasive and Bariatric Surgery, Department of Surgery, Penn State Milton S. Hershey Medical Center, Hershey, PA 17033, USA; (A.M.R.); (A.R.)
| | - Andrea Rigby
- Division of Minimally Invasive and Bariatric Surgery, Department of Surgery, Penn State Milton S. Hershey Medical Center, Hershey, PA 17033, USA; (A.M.R.); (A.R.)
- Department of Public Health Sciences, Penn State College of Medicine, Hershey, PA 17033, USA
| | - Melissa Butt
- Department of Public Health Sciences, Penn State College of Medicine, Hershey, PA 17033, USA
- Department of Family and Community Medicine, Penn State College of Medicine, Hershey, PA 17033, USA
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Assessment of the Clinical Condition and Way of Patients' Nutrition before and after Laparoscopic Sleeve Gastrectomy. Nutrients 2023; 15:nu15030514. [PMID: 36771221 PMCID: PMC9919987 DOI: 10.3390/nu15030514] [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: 12/15/2022] [Revised: 01/14/2023] [Accepted: 01/16/2023] [Indexed: 01/21/2023] Open
Abstract
One of the most commonly performed bariatric procedures is the laparoscopic sleeve gastrectomy (LSG). It is highly effective in reducing body weight, but it carries the risk of developing nutritional deficiencies and their consequences. The aim of the study was to determine the clinical condition of obese patients after LSG in terms of nutritional status, metabolic disorders, and way of nutrition. Thirty participants (15 women and 15 men) took part in the study. A statistically significant reduction in the total body fat mass (women by 37.5% p < 0.05, men by 37.06% p < 0.05) and total fat free mass (women by 10% p < 0,05, men by 12.5% p < 0.05) was demonstrated 6 months after LSG. Moreover, insufficient protein intake has been shown in over 73% of women and 40% of men. Before and 6 months after LSG, insufficient intake of calcium, magnesium, potassium, folate, vitamin D, and iron was observed. Six months after the LSG, significant decreases of fasting glucose (p < 0.05), insulin (p < 0.05), TG (p < 0.05), and AST (p < 0.05) concentrations, were observed in both groups. Optimization of nutrition in order to prevent nutritional deficiencies and their complications is a key element of the therapy of obese patients treated surgically.
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Nuijten MAH, Eijsvogels TMH, Monpellier VM, Janssen IMC, Hazebroek EJ, Hopman MTE. The magnitude and progress of lean body mass, fat-free mass, and skeletal muscle mass loss following bariatric surgery: A systematic review and meta-analysis. Obes Rev 2022; 23:e13370. [PMID: 34664391 PMCID: PMC9285034 DOI: 10.1111/obr.13370] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 09/09/2021] [Accepted: 09/09/2021] [Indexed: 12/14/2022]
Abstract
Postbariatric loss of muscle tissue could negatively affect long-term health due to its role in various bodily processes, such as metabolism and functional capacity. This meta-analysis aimed to unravel time-dependent changes in the magnitude and progress of lean body mass (LBM), fat-free mass (FFM), and skeletal muscle mass (SMM) loss following bariatric surgery. A systematic literature search was conducted in Pubmed, Embase, and Web of Science. Fifty-nine studies assessed LBM (n = 37), FFM (n = 20), or SMM (n = 3) preoperatively and ≥1 time points postsurgery. Random-effects meta-analyses were performed to determine pooled loss per outcome parameter and follow-up time point. At 12-month postsurgery, pooled LBM loss was -8.13 kg [95%CI -9.01; -7.26]. FFM loss and SMM loss were -8.23 kg [95%CI -10.74; -5.73] and -3.18 kg [95%CI -5.64; -0.71], respectively. About 55% of 12-month LBM loss occurred within 3-month postsurgery, followed by a more gradual decrease up to 12 months. Similar patterns were seen for FFM and SMM. In conclusion, >8 kg of LBM and FFM loss was observed within 1-year postsurgery. LBM, FFM, and SMM were predominantly lost within 3-month postsurgery, highlighting that interventions to mitigate such losses should be implemented perioperatively.
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Affiliation(s)
- Malou A H Nuijten
- Radboud Institute for Health Sciences, Department of Physiology, Radboud University Medical Center, Nijmegen, The Netherlands
| | - Thijs M H Eijsvogels
- Radboud Institute for Health Sciences, Department of Physiology, Radboud University Medical Center, Nijmegen, The Netherlands
| | | | | | - Eric J Hazebroek
- Departement of Surgery, Rijnstate Hospital/Vitalys Clinics, Arnhem, The Netherlands
| | - Maria T E Hopman
- Radboud Institute for Health Sciences, Department of Physiology, Radboud University Medical Center, Nijmegen, The Netherlands
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