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Gómez-Vaquero C, Picazo ML, Humbert L, Hernández-Montoliu L, Jermakova O, Huanuco L, Silva M, Osorio J, Lazzara C, Sobrino L, Guerrero-Pérez F, Vilarrasa N. Bone loss after bariatric surgery is observed mainly in the hip trabecular compartment and after hypoabsorptive techniques. Bone 2024:117270. [PMID: 39368725 DOI: 10.1016/j.bone.2024.117270] [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: 07/18/2024] [Revised: 09/25/2024] [Accepted: 10/02/2024] [Indexed: 10/07/2024]
Abstract
We evaluated the impact of bariatric surgery on bone mineral density (BMD) and microarchitecture over one year using dual-energy X-ray absorptiometry (DXA), the trabecular bone score (TBS), and 3D-DXA to assess changes after different surgical techniques. This prospective, single-center study of 153 patients with severe obesity contrasts the effects on bone health of sleeve gastrectomy (SG), Roux-en-Y gastric bypass (RYGB), and duodenal switch/single anastomosis duodeno-ileostomy with sleeve gastrectomy (DS/SADIS). To our knowledge, this is the first study to evaluate patients undergoing DS/SADIS and to incorporate 3D-DXA analysis in the assessment of bone loss. Patients were 81 % female with a mean age of 50 ± 9 years. Fifty-four per cent underwent SG; 16 %, RYGB; and 30 %, DS/SADIS. Our findings revealed a significant decrease in areal BMD at the LS (-3.49 ± 5.44 %), FN (-5.24 ± 5.86 %), and TH (-8.06 ± 5.14 %) one year after bariatric surgery. Bone microarchitecture at the LS assessed by TBS was degraded in 30 % of patients. Proximal femur 3D-DXA analysis showed that surgery-induced bone loss predominantly affects the trabecular compartment (Trabecular volumetric (v) BMD: -8.00 ± 6.57 %) rather than the cortical compartment (Cortical vBMD: -1.37 ± 2.79 %). These results suggest hypoabsorptive and mixed techniques (DS/SADIS and RYGB) were associated with greater BMD loss and deterioration of microarchitecture than restrictive techniques (SG). The primary determinants of bone density and impairment of microarchitecture were the extent of weight loss and the type of surgical procedure. Despite overall bone loss, Z-score assessments indicated that post-surgical bone status remained within or above the average ranges compared to a healthy population, except for TH following DS/SADIS. In conclusion, our research shows differences in the impact of bariatric surgery techniques on bone density and microarchitecture, emphasizing the need for careful postoperative monitoring of bone health, particularly in patients undergoing hypoabsorptive and mixed procedures.
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Affiliation(s)
- Carmen Gómez-Vaquero
- Rheumatology Department, Hospital Universitari de Bellvitge-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain.
| | | | | | - Laura Hernández-Montoliu
- Endocrinology and Nutrition Department, Hospital Universitari de Bellvitge-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Olga Jermakova
- Endocrinology and Nutrition Department, Hospital Universitari de Bellvitge-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Lydia Huanuco
- Endocrinology and Nutrition Department, Hospital Universitari de Bellvitge-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Mishell Silva
- Endocrinology and Nutrition Department, Hospital Universitari de Bellvitge-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Javier Osorio
- General and Gastrointestinal Surgery, Bariatric Surgery Unit, Hospital Universitari de Bellvitge-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Claudio Lazzara
- General and Gastrointestinal Surgery, Bariatric Surgery Unit, Hospital Universitari de Bellvitge-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Lucía Sobrino
- General and Gastrointestinal Surgery, Bariatric Surgery Unit, Hospital Universitari de Bellvitge-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Fernando Guerrero-Pérez
- Endocrinology and Nutrition Department, Hospital Universitari de Bellvitge-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain
| | - Nuria Vilarrasa
- Endocrinology and Nutrition Department, Hospital Universitari de Bellvitge-IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain; CIBER Diabetes and Associated Metabolic Diseases (CIBERDEM), Instituto de Salud Carlos III, Barcelona, Spain
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de Almeida PC, Lima TDR, Avila ETP, Damazo AS. Short-term effects of Roux-en-Y gastric bypass or gastric sleeve on bone mineral density and calciotropic hormones: a systematic review and meta-analysis. Surg Obes Relat Dis 2024; 20:774-783. [PMID: 38594090 DOI: 10.1016/j.soard.2024.03.007] [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: 09/18/2023] [Revised: 01/28/2024] [Accepted: 03/02/2024] [Indexed: 04/11/2024]
Abstract
Roux-en-Y gastric bypass (RYGB) and gastric sleeve (GS) have been associated with significant reductions in bone mineral density (BMD) and fluctuations in serum levels of calciotropic hormones. These changes pose a risk to bone health. The study assessed the short-term (12 and 24 months) effects of RYGB and GS on BMD and calciotropic hormones. PubMed, Embase, and Cochrane Library databases were searched. Analyses considered follow-up (12 and 24 months) with BMD as main outcome at three sites (femoral neck, total hip, and lumbar spine) and one for each calciotropic hormone (25 OH vitamin D and parathyroid hormone [PTH]). Estimated effect sizes were calculated as standardized mean differences (SMD), confidence interval of 95%, and P value. Nine studies totaling 473 participants (RYGB = 261 and GS = 212) were included. RYGB resulted in lower BMD than GS at 12 months for femoral neck (SMD = -0.485, 95% CI [-0.768, -0.202], P = .001), lumbar spine (SMD = -0.471, 95% CI [-0.851, -0.092], P = .015), and total hip (SMD = -0.616, 95% CI [-0.972, -0.259], P = .001), and at 24 months for total hip (SMD = -0.572, 95% CI [-0.907, -0.238], P = .001). At 24 months, 25 OH vitamin D was lower in RYGB than GS (SMD = -0.958 [-1.670, -0.245], P = .008) and PTH levels were higher in RYGB than in GS (SMD = 0.968 [0.132, 1.804, P = .023]). RYGB demonstrated significant reduction in regional BMD. It also induces lower serum 25 OH vitamin D and higher PTH levels than GS. The results support the need for preventive bone health measures in the short-term postoperative period, especially in the case of RYGB.
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Affiliation(s)
- Paula Caroline de Almeida
- Faculty of Medicine, Federal University of Mato Grosso, Brazil, Postgraduate Program in Health Sciences, Cuiabá, Mato Grosso, Brazil
| | - Thiago da Rosa Lima
- Faculty of Medicine, Federal University of Mato Grosso, Brazil, Postgraduate Program in Health Sciences, Cuiabá, Mato Grosso, Brazil; Faculty of Medicine, University Center of Várzea Grande - UNIVAG, Várzea Grande, Mato Grosso, Brazil.
| | - Eudes Thiago Pereira Avila
- Faculty of Medicine, Federal University of Mato Grosso, Brazil, Postgraduate Program in Health Sciences, Cuiabá, Mato Grosso, Brazil
| | - Amílcar Sabino Damazo
- Faculty of Medicine, Federal University of Mato Grosso, Brazil, Postgraduate Program in Health Sciences, Cuiabá, Mato Grosso, Brazil
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Sivakumar J, Chen Q, Chong L, Read M, Ward S, Winter N, Sutherland TR, Hii MW. Effect of laparoscopic sleeve gastrectomy versus laparoscopic Roux-en-Y gastric bypass on body composition. ANZ J Surg 2024; 94:1317-1323. [PMID: 38994901 DOI: 10.1111/ans.19160] [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: 05/27/2024] [Accepted: 06/28/2024] [Indexed: 07/13/2024]
Abstract
BACKGROUND There is limited data with respect to body composition changes for laparoscopic sleeve gastrectomy (SG) and laparoscopic Roux-en-Y gastric bypass (RYGB). The objective of this study was to analyse changes in body composition between these two procedures during the first year after bariatric surgery. METHODS A prospective study was performed in patients undergoing bariatric surgery at two tertiary hospitals between 2017 and 2023. Body composition was assessed with dual-energy x-ray absorptiometry immediately before surgery, and at 1-, 6-, 12-, 18- and 24-months post-operatively, with a subgroup analysis performed for patients who undertook a scan at 18- and 24-months. Total weight loss (TWL), body mass index (BMI), fat mass (FM), lean body mass (LBM) and bone mineral content (BMC) parameters were compared between SG and RYGB. RESULTS Forty-five patients were included in this series (SG n = 30, RYGB n = 15). There was a significant reduction in mean %TWL of 26.94 ± 8.86% and mean BMI of 11.12 ± 3.70 kg/m2 over 12-months. LBM accounted for 17.8% of TWL over 12-months, SG and RYGB did not differ in terms of loss of FM or LBM. For both procedures, the loss of LBM appeared to plateau at 6-months post-operatively. The only statistically significant finding between the two procedures was that RYGB resulted in an additional 0.06 kg loss compared with SG. CONCLUSION SG and RYGB have been shown to have comparable weight loss and body composition changes in the short-to-medium term following surgery. LBM reduction was most significant in the early post-operative period across the entire cohort.
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Affiliation(s)
- Jonathan Sivakumar
- Department of Upper Gastrointestinal Surgery, St Vincent's Hospital Melbourne, Melbourne, Victoria, Australia
- Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
| | - Qianyu Chen
- Department of Upper Gastrointestinal Surgery, St Vincent's Hospital Melbourne, Melbourne, Victoria, Australia
| | - Lynn Chong
- Department of Upper Gastrointestinal Surgery, St Vincent's Hospital Melbourne, Melbourne, Victoria, Australia
| | - Matthew Read
- Department of Upper Gastrointestinal Surgery, St Vincent's Hospital Melbourne, Melbourne, Victoria, Australia
- Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
| | - Salena Ward
- Department of Upper Gastrointestinal Surgery, St Vincent's Hospital Melbourne, Melbourne, Victoria, Australia
| | - Nicole Winter
- Department of Upper Gastrointestinal Surgery, St Vincent's Hospital Melbourne, Melbourne, Victoria, Australia
| | - Tom R Sutherland
- Department of Radiology, St Vincent's Hospital Melbourne, Melbourne, Victoria, Australia
- Faculty of Medicine, The University of Melbourne, Melbourne, Victoria, Australia
| | - Michael W Hii
- Department of Upper Gastrointestinal Surgery, St Vincent's Hospital Melbourne, Melbourne, Victoria, Australia
- Department of Surgery, The University of Melbourne, Melbourne, Victoria, Australia
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Chalmers KA, Cousins SE, Blazeby JM. Randomized controlled trials comparing gastric bypass, gastric band, and sleeve gastrectomy: A systematic review examining validity and applicability to wider clinical practice. Obes Rev 2024; 25:e13718. [PMID: 38346786 DOI: 10.1111/obr.13718] [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: 02/15/2023] [Revised: 01/17/2024] [Accepted: 01/17/2024] [Indexed: 04/18/2024]
Abstract
Consideration of how applicable the results of surgical trials are to clinical practice is important to inform decision-making. Randomized controlled trials comparing at least two surgical interventions (of gastric bypass, gastric band, and sleeve gastrectomy) for severe and complex obesity were examined using the PRagmatic Explanatory Continuum Indicator Summary-2 tool, to consider how applicable the trial results are to clinical practice, and the Risk of Bias 2 tool, to examine validity. MEDLINE, Embase, and CENTRAL databases were searched for studies published between November 2013 and June 2021, and 15 were identified. Using the PRagmatic Explanatory Continuum Indicator Summary-2 tool, three were classified as pragmatic, with good applicability to clinical practice. Ten had more explanatory domains but did include some pragmatic characteristics, and two were predominantly explanatory. This was due to some trial design features that would not be considered applicable to the wider clinical setting, including being single-centered, having prescribed intervention delivery methods, and intensive follow-up regimens. Only two trials had low risk of bias, of which one was considered pragmatic. Three had high risk of bias. Overall, few trials in bariatric surgery are pragmatic with low risk of bias. Well-designed pragmatic trials are needed to inform practice and reduce research waste.
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Affiliation(s)
- Katy A Chalmers
- National Institute of Health and Care Research (NIHR) Biomedical Research Centre at University Hospitals Bristol NHS Foundation Trust and the University of Bristol, Surgical Innovation Theme and the Medical Research Council ConDuCT-II Hub for Trials Methodology Research, Bristol Centre for Surgical Research, Population Health Sciences, Bristol Medical School, Bristol, UK
| | - Sian E Cousins
- National Institute of Health and Care Research (NIHR) Biomedical Research Centre at University Hospitals Bristol NHS Foundation Trust and the University of Bristol, Surgical Innovation Theme and the Medical Research Council ConDuCT-II Hub for Trials Methodology Research, Bristol Centre for Surgical Research, Population Health Sciences, Bristol Medical School, Bristol, UK
| | - Jane M Blazeby
- National Institute of Health and Care Research (NIHR) Biomedical Research Centre at University Hospitals Bristol NHS Foundation Trust and the University of Bristol, Surgical Innovation Theme and the Medical Research Council ConDuCT-II Hub for Trials Methodology Research, Bristol Centre for Surgical Research, Population Health Sciences, Bristol Medical School, Bristol, UK
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5
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Vilarrasa N, Guerrero-Pérez F. Bariatric surgery: Effects on bone mineral density and fracture risk. ENDOCRINOL DIAB NUTR 2023:S2530-0180(23)00086-0. [PMID: 37225622 DOI: 10.1016/j.endien.2023.05.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 03/10/2023] [Indexed: 05/26/2023]
Affiliation(s)
- Núria Vilarrasa
- Servicio de Endocrinología y Nutrición, Hospital Universitario de Bellvitge, L'Hospitalet de Llobregat, Barcelona, Spain; Instituto de Investigación Biomédica de Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain; CIBERDEM (CIBER de Diabetes y Enfermedades Metabólicas Asociadas, Instituto de Salud Carlos III), Madrid, Spain.
| | - Fernando Guerrero-Pérez
- Servicio de Endocrinología y Nutrición, Hospital Universitario de Bellvitge, L'Hospitalet de Llobregat, Barcelona, Spain; Instituto de Investigación Biomédica de Bellvitge (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain; CIBERDEM (CIBER de Diabetes y Enfermedades Metabólicas Asociadas, Instituto de Salud Carlos III), Madrid, Spain
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6
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Effects of Roux-en-Y Gastric Bypass Versus Sleeve Gastrectomy on Body Composition for Patients with a BMI > 35 kg/m 2 at 1 Year After Surgery. Obes Surg 2022; 32:1658-1666. [PMID: 35294693 DOI: 10.1007/s11695-022-06006-y] [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: 01/08/2022] [Revised: 02/26/2022] [Accepted: 03/08/2022] [Indexed: 10/18/2022]
Abstract
PURPOSE Effects of Roux-en-Y gastric bypass (RYGB) versus sleeve gastrectomy (SG) on body composition have not been well compared. This meta-analysis aimed to compare changes in fat mass (FM) and lean tissue mass (LTM) for patients with a BMI > 35 kg/m2 at 1 year after RYGB and SG. METHODS PubMed, EMBASE, the Cochrane Library, and ClinicalTrials.gov were searched ending in December 2021 for eligible studies which reported baseline and postsurgical BMI, FM, and LTM. RESULTS Of 17 eligible studies, 831 patients were included, 484 following RYGB and 347 following SG. Weighted mean differences (WMD) and 95% confidence intervals (CI) were from a random-effects model. For patients with a BMI > 35 kg/m2, RYGB resulted in a more substantial reduction of BMI (- 14.13 kg/m2 [95%CI - 14.74, - 13.53] versus - 11.96 kg/m2 [95%CI - 12.81, - 11.11], P < 0.001) and FM (- 26.22 kg [95%CI - 28.31, - 24.12] versus - 21.50 kg [95%CI - 25.52, - 17.48], P = 0.042) than SG, and a relatively weaker impact on LTM (- 8.28 kg [95%CI - 9.33, - 7.22] versus - 10.12 kg [95%CI - 11.55, - 8.68], P = 0.043). CONCLUSION This meta-analysis study indicates that RYGB is superior to SG in reducing excess FM for patients with a BMI > 35 kg/m2 and seems to be more beneficial when LTM preservation is taken into consideration.
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Carrano FM, Iossa A, Di Lorenzo N, Silecchia G, Kontouli KM, Mavridis D, Alarçon I, Felsenreich DM, Sanchez-Cordero S, Di Vincenzo A, Balagué-Ponz MC, Batterham RL, Bouvy N, Copaescu C, Dicker D, Fried M, Godoroja D, Goitein D, Halford JCG, Kalogridaki M, De Luca M, Morales-Conde S, Prager G, Pucci A, Vilallonga R, Zani I, Vandvik PO, Antoniou SA. EAES rapid guideline: systematic review, network meta-analysis, CINeMA and GRADE assessment, and European consensus on bariatric surgery-extension 2022. Surg Endosc 2022; 36:1709-1725. [PMID: 35059839 DOI: 10.1007/s00464-022-09008-0] [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: 12/11/2021] [Accepted: 12/31/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND The European Association for Endoscopic Surgery Bariatric Guidelines Group identified a gap in bariatric surgery recommendations with a structured, contextualized consideration of multiple bariatric interventions. OBJECTIVE To provide evidence-informed, transparent and trustworthy recommendations on the use of sleeve gastrectomy, Roux-en-Y gastric bypass, adjustable gastric banding, gastric plication, biliopancreatic diversion with duodenal switch, one anastomosis gastric bypass, and single anastomosis duodeno-ileal bypass with sleeve gastrectomy in patients with severe obesity and metabolic diseases. Only laparoscopic procedures in adults were considered. METHODS A European interdisciplinary panel including general surgeons, obesity physicians, anesthetists, a psychologist and a patient representative informed outcome importance and minimal important differences. We conducted a systematic review and frequentist fixed and random-effects network meta-analysis of randomized-controlled trials (RCTs) using the graph theory approach for each outcome. We calculated the odds ratio or the (standardized) mean differences with 95% confidence intervals for binary and continuous outcomes, respectively. We assessed the certainty of evidence using the CINeMA and GRADE methodologies. We considered the risk/benefit outcomes within a GRADE evidence to decision framework to arrive at recommendations, which were validated through an anonymous Delphi process of the panel. RESULTS We identified 43 records reporting on 24 RCTs. Most network information surrounded sleeve gastrectomy and Roux-en-Y gastric bypass. Under consideration of the certainty of the evidence and evidence to decision parameters, we suggest sleeve gastrectomy or laparoscopic Roux-en-Y gastric bypass over adjustable gastric banding, biliopancreatic diversion with duodenal switch and gastric plication for the management of severe obesity and associated metabolic diseases. One anastomosis gastric bypass and single anastomosis duodeno-ileal bypass with sleeve gastrectomy are suggested as alternatives, although evidence on benefits and harms, and specific selection criteria is limited compared to sleeve gastrectomy and Roux-en-Y gastric bypass. The guideline, with recommendations, evidence summaries and decision aids in user friendly formats can also be accessed in MAGICapp: https://app.magicapp.org/#/guideline/Lpv2kE CONCLUSIONS: This rapid guideline provides evidence-informed, pertinent recommendations on the use of bariatric and metabolic surgery for the management of severe obesity and metabolic diseases. The guideline replaces relevant recommendations published in the EAES Bariatric Guidelines 2020.
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Affiliation(s)
- Francesco M Carrano
- PhD Program in Applied Medical-Surgical Sciences, University of Rome "Tor Vergata", 00133, Rome, Italy
| | - Angelo Iossa
- Department of Medical-Surgical Sciences and Biotechnologies, Faculty of Pharmacy and Medicine, "La Sapienza" University of Rome-Polo Pontino, Bariatric Centre of Excellence IFSO-EC, Rome, Italy
| | - Nicola Di Lorenzo
- Department of Surgical Sciences, University of Rome "Tor Vergata", Viale Oxford 81, 00133, Rome, Italy
| | - Gianfranco Silecchia
- Department of Medical-Surgical Sciences and Biotechnologies, Faculty of Pharmacy and Medicine, "La Sapienza" University of Rome-Polo Pontino, Bariatric Centre of Excellence IFSO-EC, Rome, Italy
| | - Katerina-Maria Kontouli
- Department of Primary Education, School of Education, University of Ioannina, Ioannina, Greece
| | - Dimitris Mavridis
- Department of Primary Education, School of Education, University of Ioannina, Ioannina, Greece
- Faculté de Médecine, Université Paris Descartes, Paris, France
| | - Isaias Alarçon
- Unit of Innovation in Minimally Invasive Surgery, Department of General and Digestive Surgery, University Hospital "Virgen del Rocío", 41010, Sevilla, Spain
| | - Daniel M Felsenreich
- Department of Surgery, Division of General Surgery, Vienna Medical University, Vienna, Austria
| | | | - Angelo Di Vincenzo
- Internal Medicine 3, Department of Medicine, DIMED; Center for the Study and the Integrated Treatment of Obesity, University Hospital of Padua, Padua, Italy
| | | | - Rachel L Batterham
- Centre for Obesity Research, University College London, London, UK
- Biomedical Research Centre, National Institute of Health Research, London, UK
| | - Nicole Bouvy
- Department of Surgery, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - Catalin Copaescu
- Department of General Surgery, Ponderas Academic Hospital Regina Maria, Bucharest, Romania
| | - Dror Dicker
- Department of Internal Medicine D, Rabin Medical Center, Hasharon Hospital, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Martin Fried
- Center for Treatment of Obesity and Metabolic Disorders, OB Klinika, Prague, Czech Republic
| | - Daniela Godoroja
- Department of Anesthesiology, Ponderas Academic Hospital Regina Maria, Bucharest, Romania
| | - David Goitein
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
- Department of Surgery C, Chaim Sheba Medical Center, Ramat Gan, Israel
| | - Jason C G Halford
- Department of Psychological Sciences, Institute of Psychology, Health and Society, University of Liverpool, Liverpool, UK
| | | | - Maurizio De Luca
- Division of General Surgery, Castelfranco and Montebelluna Hospitals, Treviso, Italy
| | - Salvador Morales-Conde
- Unit of Innovation in Minimally Invasive Surgery, Department of General and Digestive Surgery, University Hospital "Virgen del Rocío", 41010, Sevilla, Spain
| | - Gerhard Prager
- Department of Surgery, Division of General Surgery, Vienna Medical University, Vienna, Austria
| | - Andrea Pucci
- Centre for Obesity Research, University College London, London, UK
- Biomedical Research Centre, National Institute of Health Research, London, UK
| | - Ramon Vilallonga
- Endocrine, Metabolic and Bariatric Unit, General Surgery Department, Vall d'Hebron University Hospital, Center of Excellence for the EAC-BC, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Iris Zani
- EASO Patient Task Force, Middlesex, UK
| | - Per Olav Vandvik
- Department of Health Management and Health Economics, University of Oslo, Oslo, Norway
| | - Stavros A Antoniou
- Surgical Department, Mediterranean Hospital of Cyprus, Limassol, Cyprus.
- Medical School, European University Cyprus, Nicosia, Cyprus.
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Solé T, Januel L, Denneval A, Williet N, Breton C, Blanc P, Ollier E. Time impact on the anti-diabetic effects of key bariatric surgeries: a network meta-analysis of randomized controlled trials with meta-regression. Surg Obes Relat Dis 2022; 18:832-845. [DOI: 10.1016/j.soard.2022.02.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 12/28/2021] [Accepted: 02/02/2022] [Indexed: 10/19/2022]
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9
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Chen X, Zhang J, Zhou Z. Changes in Bone Mineral Density After Weight Loss Due to Metabolic Surgery or Lifestyle Intervention in Obese Patients. Obes Surg 2020; 31:1147-1157. [PMID: 33145717 DOI: 10.1007/s11695-020-05095-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Revised: 10/27/2020] [Accepted: 10/28/2020] [Indexed: 12/14/2022]
Abstract
PURPOSE Metabolic surgery and lifestyle intervention are two common methods used to treat obesity, but the effects of weight loss on bone mineral density (BMD) remain controversial. Our aim was to evaluate changes in BMD of the total hip, femoral neck, and lumbar spine after weight loss caused by metabolic surgery or lifestyle intervention. MATERIALS AND METHODS We searched PubMed, Web of Science, and the Cochrane Library to identify relevant studies published before 5 August 2020. The primary outcomes, including the BMD of the total hip, femoral neck, and lumbar spine before and 12 months after metabolic surgery or lifestyle intervention, were extracted. RESULTS A total of 19 studies with 1095 participants with obesity were included. Among them, 603 participants with obesity accepted metabolic surgery, while 492 accepted lifestyle intervention. At 12 months after weight loss, the BMD of the total hip decreased significantly in obese patients (mean difference [MD] = 0.06 g/cm2; 95% confidence interval [CI] 0.03 to 0.08; I2 = 67%; P < 0.001), while the BMD of the lumbar spine did not significantly change (P > 0.05). In the subgroup analysis, the BMD of the femoral neck decreased significantly at 12 months in obese patients who underwent metabolic surgery (MD = 0.08 g/cm2; 95% CI 0.04 to 0.13; I2 = 84%; P < 0.001), while it did not significantly change in obese patients who underwent lifestyle treatment (P > 0.05). CONCLUSION Regardless of whether the patients underwent metabolic surgery or lifestyle treatment, the BMD of the total hip significantly decreased in obese patients after weight loss. Different methods used to lose weight may have different effects on the BMD of the femoral neck. Prospective studies, preferably randomized controlled trials (RCTs), are still required to investigate whether the effects of the two treatments on bone metabolism are truly different.
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Affiliation(s)
- Xi Chen
- National Clinical Research Center for Metabolic Diseases, Metabolic Syndrome Research Center, Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
| | - Jingjing Zhang
- National Clinical Research Center for Metabolic Diseases, Metabolic Syndrome Research Center, Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China.
| | - Zhiguang Zhou
- National Clinical Research Center for Metabolic Diseases, Metabolic Syndrome Research Center, Key Laboratory of Diabetes Immunology (Central South University), Ministry of Education, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
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