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da Cruz SP, da Cruz SP, Pereira S, Saboya C, Ramalho A. Vitamin D and the Metabolic Phenotype in Weight Loss After Bariatric Surgery: A Longitudinal Study. Obes Surg 2024; 34:1561-1568. [PMID: 38459277 DOI: 10.1007/s11695-024-07148-x] [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: 12/25/2023] [Revised: 02/29/2024] [Accepted: 02/29/2024] [Indexed: 03/10/2024]
Abstract
PURPOSE To evaluate the influence of vitamin D (VD) concentrations coupled with metabolic phenotypes preoperatively and 6 months after Roux-en-Y gastric bypass (RYGB) on body variables and weight loss. MATERIALS AND METHODS A longitudinal, retrospective, analytical study comprising 30 adult individuals assessed preoperatively (T0) and 6 months (T1) after undergoing Roux-en-Y gastric bypass. The participants were distributed preoperatively into metabolically healthy obese (MHO) and metabolically unhealthy obese individuals (MUHO) according to the HOMA-IR classification, as well as the adequacy and inadequacy of vitamin D concentrations in the form of 25(OH)D. All participants were assessed for weight, height, body mass index (BMI), waist circumference (WC), waist-to-height ratio (WHtR), visceral adiposity index (VAI), body circularity index (BCI), body adiposity index (BAI), weight loss, and assessment of 25(OH)D and 1,25(OH)2D concentrations using high-performance liquid chromatography with an ultraviolet detector (HPLC-UV). The statistical program used was SPSS version 21. RESULTS VD adequacy and a healthy phenotype in the preoperative period may play an important role concerning body fat distribution, as the body averages for WHtR (0.020*) and BCI (0.020*) were lower in MHO participants. In comparison, those with VD inadequacy and MUHOs had higher BAI averages (0.000*) in the postoperative period. Furthermore, it is possible that VD inadequacy before and after RYGB, even in the presence of an unhealthy phenotype, may contribute to the increase in VAI values (0.029*) after this surgery. Only those with inadequate VD and MUHOs had higher 25(OH)D concentrations. Besides, this unhealthy phenotype had a greater reduction in BMI in the early postoperative period (p < 0.001). CONCLUSION This study suggests that VD adequacy and the presence of a healthy phenotype appear to have a positive impact on the reduction of visceral fat in the context of pre- and postoperative obesity. In addition, there was a greater weight reduction in those with VD inadequacy and in MUHO, which suggests that the volumetric dilution effect of VD and catabolism after bariatric surgery is more pronounced in this specific metabolic phenotype.
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Affiliation(s)
- Suelem Pereira da Cruz
- Center for Research On Micronutrients, Federal University of Rio de Janeiro (NPqM/UFRJ), Rio de Janeiro, 21941-902, Brazil.
| | - Sabrina Pereira da Cruz
- Center for Research On Micronutrients, Federal University of Rio de Janeiro (NPqM/UFRJ), Rio de Janeiro, 21941-902, Brazil
| | - Silvia Pereira
- Multidisciplinary Center for Bariatric and Metabolic Surgery, Federal University of Rio de Janeiro (NPqM/UFRJ), Rio de Janeiro, 21941-902, Brazil
| | - Carlos Saboya
- Brazilian Society of Bariatric and Metabolic Surgery, Rio de Janeiro, 22280-020, Brazil
| | - Andréa Ramalho
- Center for Research On Micronutrients, Federal University of Rio de Janeiro (NPqM/UFRJ), Rio de Janeiro, 21941-902, Brazil
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Inadequacy of Vitamin D Does Not Interfere with Body Weight Loss in Women of Reproductive Age after Roux-en-Y Gastric Bypass. Biomedicines 2022; 11:biomedicines11010086. [PMID: 36672594 PMCID: PMC9855429 DOI: 10.3390/biomedicines11010086] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 12/19/2022] [Accepted: 12/22/2022] [Indexed: 12/31/2022] Open
Abstract
Objective: To assess the influence of vitamin D on body weight loss in women who had previously undergone Roux-en-Y gastric bypass (RYGB). Methodology: This is an analytical, longitudinal and retrospective study comprising 40 women of reproductive age who had previously undergone RYGB. To investigate the influence of the serum concentrations of vitamin D on body weight reduction, the variables were analyzed in the pre-operative period (T0), in the first (T1) and in the second postoperative year (T2) and were stratified according to the BMI measured in T1 and T2. In addition, in the pre-operative period, participants were subdivided into groups based on adequacy (G1), deficiency (G2) and insufficiency (G3), according to their serum concentrations of vitamin D. Results: Although weight loss occurred in a substantial way in T1, it continued to decrease in T2 (p = 0.017). The women who reached normal weight within two years of surgery showed the lowest vitamin D concentrations preoperatively when compared to those who were overweight (p = 0.011). Women with preoperative vitamin D deficiency showed increased concentrations in the assessed times (p < 0.001), while the opposite (p = 0.001) occurred in women with adequacy. Conclusion: The study showed that inadequacy of vitamin D does not interfere with weight loss in the two-year-follow-up after RYGB and highlights that vitamin D can present a differentiated response postoperatively, to the detriment of the pre-operative period.
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Georgiou K, Belev NA, Koutouratsas T, Katifelis H, Gazouli M. Gut microbiome: Linking together obesity, bariatric surgery and associated clinical outcomes under a single focus. World J Gastrointest Pathophysiol 2022; 13:59-72. [PMID: 35720165 PMCID: PMC9157685 DOI: 10.4291/wjgp.v13.i3.59] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 12/21/2021] [Accepted: 03/27/2022] [Indexed: 02/06/2023] Open
Abstract
Obesity is increasingly prevalent in the post-industrial era, with increased mortality rates. The gut microbiota has a central role in immunological, nutritional and metabolism mediated functions, and due to its multiplexity, it is considered an independent organ. Modern high-throughput sequencing techniques have allowed phylogenetic exploration and quantitative analyses of gut microbiome and improved our current understanding of the gut microbiota in health and disease. Its role in obesity and its changes following bariatric surgery have been highlighted in several studies. According to current literature, obesity is linked to a particular microbiota profile that grants the host an augmented potential for calorie release, while limited diversity of gut microbiome has also been observed. Moreover, bariatric surgery procedures represent effective interventions for sustained weight loss and restore a healthier microbiota, contributing to the observed fat mass reduction and lean mass increase. However, newer evidence has shown that gut microbiota is only partially recovered following bariatric surgery. Moreover, several targets including FGF15/19 (a gut-derived peptide), could be responsible for the favorable metabolic changes of bariatric surgery. More randomized controlled trials and larger prospective studies that include well-defined cohorts are required to better identify associations between gut microbiota, obesity, and bariatric surgery.
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Affiliation(s)
- Konstantinos Georgiou
- The First Propaedeutic Surgical Unit, Hippocrateion Athens General Hospital, Medical School, National and Kapodistrian University of Athens, Athens 11527, Greece
| | - Nikolay A Belev
- Medical Simulation Training Center, Research Institute of Medical University of Plovdiv, and UMPHAT “Eurohospital”, Medical University of Plovdiv, Plovdiv 4002, Bulgaria
| | - Tilemachos Koutouratsas
- Basic Medical Sciences, Medical School, National and Kapodistrian University of Athens, Athens 11527, Greece
| | - Hector Katifelis
- Basic Medical Sciences, Medical School, National and Kapodistrian University of Athens, Athens 11527, Greece
| | - Maria Gazouli
- Basic Medical Sciences, Medical School, National and Kapodistrian University of Athens, Athens 11527, Greece
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Hadi YB, Mann R, Sohail AH, Shah-Khan SM, Szoka N, Abunnaja S, Tabone LE, Thakkar S, Singh S. Metabolic bone disease and fracture risk after gastric bypass and sleeve gastrectomy: comparative analysis of a multi-institutional research network. Surg Obes Relat Dis 2021; 18:604-609. [DOI: 10.1016/j.soard.2021.12.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 11/08/2021] [Accepted: 12/14/2021] [Indexed: 11/26/2022]
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Galyean S, Sawant D, Shin AC. Immunometabolism, Micronutrients, and Bariatric Surgery: The Use of Transcriptomics and Microbiota-Targeted Therapies. Mediators Inflamm 2020; 2020:8862034. [PMID: 33281501 PMCID: PMC7685844 DOI: 10.1155/2020/8862034] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 10/29/2020] [Accepted: 10/31/2020] [Indexed: 01/19/2023] Open
Abstract
BACKGROUND Obesity is associated with the gut microbiota and decreased micronutrient status. Bariatric surgery is a recommended therapy for obesity. It can positively affect the composition of the gut bacteria but also disrupt absorption of nutrients. Low levels of micronutrients can affect metabolic processes, like glycolysis, TCA cycle, and oxidative phosphorylation, that are associated with the immune system also known as immunometabolism. METHODS MEDLINE, PUBMED, and Google Scholar were searched. Articles involving gut microbiome, micronutrient deficiency, gut-targeted therapies, transcriptome analysis, micronutrient supplementation, and bariatric surgery were included. RESULTS Studies show that micronutrients play a pivotal role in the intestinal immune system and regulating immunometabolism. Research demonstrates that gut-targeting therapies may improve the microbiome health for bariatric surgery populations. There is limited research that examines the role of micronutrients in modulating the gut microbiota among the bariatric surgery population. CONCLUSIONS Investigations are needed to understand the influence that micronutrient deficiencies have on the gut, particularly immunometabolism. Nutritional transcriptomics shows great potential in providing this type of analysis to develop gut-modulating therapies as well as more personalized nutrition recommendations for bariatric surgery patients.
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Affiliation(s)
- Shannon Galyean
- Department of Nutritional Sciences, Texas Tech University, Lubbock, Texas, USA
| | - Dhanashree Sawant
- Department of Nutritional Sciences, Texas Tech University, Lubbock, Texas, USA
| | - Andrew C. Shin
- Department of Nutritional Sciences, Texas Tech University, Lubbock, Texas, USA
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Khan A, Syed A, Martin D. Jejunal-Ileal Bypass and its Complications: Case Report and Review of the Literature. Cureus 2020; 12:e9276. [PMID: 32699731 PMCID: PMC7372220 DOI: 10.7759/cureus.9276] [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] [Indexed: 11/23/2022] Open
Abstract
Herein, we describe an interesting case of a patient who underwent a jejunal-ileal bypass (JIB). She presented to the hospital with gastrointestinal bleeding after which her hospital course was complicated by electrolyte abnormalities. She was a 76-year-old Caucasian female with a past medical history of hypertension, type II diabetes, atrial fibrillation on warfarin, chronic obstructive pulmonary disease (COPD) treated with 3 liters of oxygen at home, obstructive sleep apnea, and morbid obesity, with history of an unknown type of bariatric procedure done in the 1970s. Her upper endoscopy showed a normal esophagus, stomach, and duodenum despite her history of bariatric surgery. Her colonoscopy revealed stenotic terminal ileum and an incidental colonic anastomosis at 35 cm from the anal verge with spot tattoo ink of unknown significance. Also noted were moderate internal hemorrhoids and large external hemorrhoids which were likely the source of her bleeding. Post endoscopy she had marked derangement in electrolytes, specifically hypocalcemia, hypomagnesemia, and hypo-phosphatemia. JIB was first popularized in the 1960s for the treatment of obesity. There are two variations of the procedure, colloquially known as the Scott bypass and the Payne bypass. Our patient underwent the Scott JIB. The relatively longer intestinal tract combined with her ileal stenosis may explain her 50 years of relatively stable adaptation. It is imperative that treating physicians have a keen understanding of anatomy and physiology to adequately care for the long-term needs of these patients.
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Affiliation(s)
| | - Anwaruddin Syed
- Internal Medicine, OSF Multispeciality Group, Peoria, USA.,Internal Medicine, College of Medicine, University of Illinois, Peoria, USA
| | - Daniel Martin
- Gastroenterology and Hepatology, OSF HealthCare, Peoria, USA
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Ciobârcă D, Cătoi AF, Copăescu C, Miere D, Crișan G. Bariatric Surgery in Obesity: Effects on Gut Microbiota and Micronutrient Status. Nutrients 2020; 12:E235. [PMID: 31963247 PMCID: PMC7019602 DOI: 10.3390/nu12010235] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 12/30/2019] [Accepted: 01/13/2020] [Indexed: 02/07/2023] Open
Abstract
Obesity is associated with reduced gut microbial diversity and a high rate of micronutrient deficiency. Bariatric surgery, the therapy of choice for severe obesity, produces sustained weight loss and improvements in obesity-related comorbidities. Also, it significantly alters the gut microbiota (GM) composition and function, which might have an important impact on the micronutrient status as GM is able to synthesize certain vitamins, such as riboflavin, folate, B12, or vitamin K2. However, recent data have reported that GM is not fully restored after bariatric surgery; therefore, manipulation of GM through probiotics represents a promising therapeutic approach in bariatric patients. In this review, we discuss the latest evidence concerning the relationship between obesity, GM and micronutrients, the impact of bariatric surgery on GM in relation with micronutrients equilibrium, and the importance of the probiotics' supplementation in obese patients submitted to surgical treatment.
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Affiliation(s)
- Daniela Ciobârcă
- Department of Bromatology, Hygiene, Nutrition, Faculty of Pharmacy, “Iuliu Hatieganu” University of Medicine and Pharmacy, 23 Gheorghe Marinescu Street, 400337 Cluj-Napoca, Romania
| | - Adriana Florinela Cătoi
- Department of Physiopathology, Faculty of Medicine, “Iuliu Hatieganu” University of Medicine and Pharmacy, 3-4 Victor Babes Street, 400012 Cluj-Napoca, Romania
| | - Cătălin Copăescu
- General Surgery Department, Ponderas Hospital, 85A Nicolae G. Caramfil Street, 014142 Bucharest, Romania;
| | - Doina Miere
- Department of Bromatology, Hygiene, Nutrition, Faculty of Pharmacy, “Iuliu Hatieganu” University of Medicine and Pharmacy, 23 Gheorghe Marinescu Street, 400337 Cluj-Napoca, Romania
| | - Gianina Crișan
- Department of Pharmaceutical Botany, Faculty of Pharmacy, “Iuliu Hatieganu” University of Medicine and Pharmacy, 23 Gheorghe Marinescu Street, 400337 Cluj-Napoca, Romania;
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Duran İD, Gülçelik NE, Bulut B, Balcı Z, Berker D, Güler S. Differences in Calcium Metabolism and Thyroid Physiology After Sleeve Gastrectomy and Roux-En-Y Gastric Bypass. Obes Surg 2019; 29:705-712. [PMID: 30460439 DOI: 10.1007/s11695-018-3595-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
INTRODUCTION Bariatric surgery may modulate the hormones and elements which maintain thyroid and calcium homeostasis. These adaptations in hormonal and elemental aspects have previously been determined via some studies with variations in their findings. Thyroid volume and 24-h urinary calcium are two parameters which have not been investigated regarding whether they change during the bariatric postsurgical period. This study planned to examine the changes in calcium metabolism and thyroid gland functioning after sleeve gastrectomy (SG) and Roux-en-Y gastric bypass (RYGB). MATERIALS AND METHODS Seventy-three morbidly obese patients with planned bariatric surgery were enrolled in the study. Before and 12 months after the operation, parathormone (PTH), 25-OH-vitamin D3(25vitD3), TSH, free triiodothyronine (fT3), free thyroxine (fT4), calcium (Ca), 24-h urinary Ca and ultrasonography-guided thyroid volume were measured. RESULTS In the beginning, 73 patients were examined and 12 months after surgery out of 25 patients continuing follow-up, 20 (80%) had undergone sleeve gastrectomy (SG) while five (20%) had undergone Roux-en-Y gastric bypass (RYGB). Accompanied by significant BMI decrease, 24-h urinary Ca and thyroid volume did not significantly increase in RYGB, SG, and the whole group after 12 months. The SG group showed a significant drop in TSH (p 0.03) level, while the RYGB group showed significant decreases in fT4 (p 0.00) and fT3 (p 0.00); and significant fT3 decrease (p 0.01) was recorded for the whole group. CONCLUSION Bariatric surgery may modify Ca homeostasis and thyroid gland functional status. We documented that these were not statistically significant increases in 24-h urinary Ca level and thyroid volume after 1 year. Further studies are needed to understand the issue, enrolling more patients who underwent the same bariatric procedure and after accounting for the inhibition of supplementary vitamin and mineral effects.
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Affiliation(s)
- İffet Dağdelen Duran
- Ankara Numune Education and Research Hospital, Department of Endocrinology and Metabolic Diseases, TC. Sağlık Bakanlığı, Ankara, Turkey.
| | - Neşe Ersöz Gülçelik
- Ankara Gülhane Education and Research Hospital, Department of Endocrinology and Metabolic Diseases, TC. Sağlık Bakanlığı, Ankara, Turkey
| | - Bekir Bulut
- Ankara Numune Education and Research Hospital, Department of General Surgery, TC. Sağlık Bakanlığı, Ankara, Turkey
| | - Zeynep Balcı
- Ankara Numune Education and Research Hospital, Department of General Surgery, TC. Sağlık Bakanlığı, Ankara, Turkey
| | - Dilek Berker
- Ankara Numune Education and Research Hospital, Department of Endocrinology and Metabolic Diseases, TC. Sağlık Bakanlığı, Ankara, Turkey
| | - Serdar Güler
- Ankara Numune Education and Research Hospital, Department of Endocrinology and Metabolic Diseases, TC. Sağlık Bakanlığı, Ankara, Turkey
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Borges JLC, Miranda ISDM, Sarquis MMS, Borba V, Maeda SS, Lazaretti-Castro M, Blinkey N. Obesity, Bariatric Surgery, and Vitamin D. J Clin Densitom 2018; 21:157-162. [PMID: 28427988 DOI: 10.1016/j.jocd.2017.03.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2016] [Revised: 02/02/2017] [Accepted: 03/14/2017] [Indexed: 02/07/2023]
Abstract
The high prevalence of obesity is a worldwide problem associated with multiple comorbidities, including cardiovascular diseases. Vitamin D deficiency with secondary hyperparathyroidism is common in obese individuals and can be aggravated after bariatric surgery. Moreover, there is no consensus on the optimal supplementation dose of vitamin D in postbariatric surgical patients. We present new data on the variability of 25(OH)D response to supplementation in postmenopausal obese women. It is important to recognize and treat vitamin D deficiency before bariatric surgery to avoid postoperative complications, such as metabolic bone disease with associated high fracture risk. The objective of this article is to discuss the bone metabolism consequences of vitamin D deficiency after bariatric surgery.
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Affiliation(s)
| | | | | | - Victoria Borba
- Disciplina de Endocrinologia, Universidade Federal do Paraná, Brazil
| | - Sergio Setsuo Maeda
- Disciplina de Endocrinologia, Universidade Federal de Sao Paulo-Escola Paulista de Medicina, Brazil
| | - Marise Lazaretti-Castro
- Disciplina de Endocrinologia, Universidade Federal de Sao Paulo-Escola Paulista de Medicina, Brazil
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Biagioni MFG, Mendes AL, Nogueira CR, Leite CV, Gollino L, Mazeto GM. Bariatric Roux-En-Y Gastric Bypass Surgery: Adipocyte Proteins Involved in Increased Bone Remodeling in Humans. Obes Surg 2018; 27:1789-1796. [PMID: 28091892 DOI: 10.1007/s11695-017-2546-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
PURPOSE Bariatric surgery has been associated with bone remodeling changes. The action of adipokines on the expression of receptor activator of nuclear factor kappa β ligand (RANKL) and osteoprotegerin (OPG) and on an increase in sclerostin could be related to these changes. MATERIALS AND METHODS This study aimed to assess the repercussions of weight loss, fat mass (FM), and fat-free mass (FFM) loss and biochemical and hormonal changes on bone remodeling markers after Roux-en-Y gastric bypass (RYGB). Anthropometric data, parathyroid hormone (PTH), bone-specific alkaline phosphatase (BSAP), collagen type 1 C-telopeptide (CTX), 25-hydroxy vitamin D (25-OH-VitD), leptin, adiponectin, RANKL, OPG, and sclerostin of 30 menstruating women were measured preoperatively (Pre), and 3, 12, and 24 months (m) after RYGB. RESULTS Leptin (34.4 (14.7; 51.9) vs. 22.5 (1.9; 52.7) ng/mL) and OPG (3.6 (1.1; 11.5) vs. 3.4 (1.5; 6) pmol/L) decreased, and adiponectin (7.4 (1.7; 18.4) vs. 13.8 (3.0; 34.6) μg/mL), CTX (0.2 (0.1; 2.2) vs. 0.6 (0.4; 6.0) ng/mL), RANKL (0.1 (0.0; 0.5) vs. 0.3 (0.0; 2.0) pmol/L), and sclerostin (21.7 (3.2; 75.1) vs. 34.8 (6.4; 80.5) pmol/L) increased after 3 m. BSAP increased after 12 m (10.1 (5.4; 18.9) vs. 13.9 (6.9; 30.2) μg/mL) (p < 0.005). CTX correlated positively with adiponectin at 24 m and inversely with leptin Pre; OPG at 3 m; weight, FM, FFM, and leptin at 24 m. RANKL correlated directly with weight at 3 m. Sclerostin correlated inversely with weight Pre and FM at 3 m. BSAP correlated negatively with 25-OH-VitD at 12 m, and positively with PTH at 24 m. CONCLUSIONS RYGB induced weight loss, and biochemical, hormonal, and body composition changes are associated with higher bone remodeling.
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Affiliation(s)
- Maria Fernanda G Biagioni
- Internal Medicine Department (MFGB, ALM, CRN, LG, GMFSM), Botucatu Medical School, São Paulo State University, FMB-Unesp, Botucatu, Brazil. .,Internal Medicine Department, Botucatu Medical School, São Paulo State University, FMB-Unesp, Rubião Júnior District, no number, Botucatu, SP, 18618-970, Brazil.
| | - Adriana L Mendes
- Internal Medicine Department (MFGB, ALM, CRN, LG, GMFSM), Botucatu Medical School, São Paulo State University, FMB-Unesp, Botucatu, Brazil
| | - Célia Regina Nogueira
- Internal Medicine Department (MFGB, ALM, CRN, LG, GMFSM), Botucatu Medical School, São Paulo State University, FMB-Unesp, Botucatu, Brazil
| | - Celso V Leite
- Surgery Department (CVL), Botucatu Medical School, São Paulo State University, FMB-Unesp, Botucatu, Brazil
| | - Loraine Gollino
- Internal Medicine Department (MFGB, ALM, CRN, LG, GMFSM), Botucatu Medical School, São Paulo State University, FMB-Unesp, Botucatu, Brazil
| | - Gláucia Mfs Mazeto
- Internal Medicine Department (MFGB, ALM, CRN, LG, GMFSM), Botucatu Medical School, São Paulo State University, FMB-Unesp, Botucatu, Brazil
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Problems in bariatric patient care - challenges for dieticians. Wideochir Inne Tech Maloinwazyjne 2017; 12:207-215. [PMID: 29062439 PMCID: PMC5649507 DOI: 10.5114/wiitm.2017.70193] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Accepted: 08/08/2017] [Indexed: 02/08/2023] Open
Abstract
Obesity management options include a low-calorie diet, behavioral therapy, regular physical activity and pharmacological therapy. However, treatment failure is frequently encountered, most of these methods are ineffective, and a positive outcome is rarely maintained in the long term. In morbidly obese patients, bariatric surgery is considered the most effective treatment for obesity as well as the accompanying diseases. Bariatric surgery promotes much greater weight loss than conservative treatment, regardless of the applied surgical technique. Bariatric surgery patients should receive professional perioperative (preoperative, intraoperative and postoperative) care from a multidisciplinary team of specialists, including a bariatric surgeon, a general practitioner, a dietitian and a health psychologist. Patients require postoperative nutritional counseling to be able to stabilize their weight and maintain long-term weight loss after surgery. Patients are guided by bariatric dietitians through the process of adopting new eating habits and behavior, learning how to make healthy food choices.
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Campanha-Versiani L, Pereira DAG, Ribeiro-Samora GA, Ramos AV, de Sander Diniz MFH, De Marco LA, Soares MMS. The Effect of a Muscle Weight-Bearing and Aerobic Exercise Program on the Body Composition, Muscular Strength, Biochemical Markers, and Bone Mass of Obese Patients Who Have Undergone Gastric Bypass Surgery. Obes Surg 2017; 27:2129-2137. [PMID: 28285470 DOI: 10.1007/s11695-017-2618-5] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND The effect of an exercise program on the body composition, muscular strength (MS), biochemical markers, and bone mineral density (BMD) of individuals undergoing gastric bypass is unclear. We assessed lean mass (LM), MS, bone remodeling markers, and BMD before and after supervised weight-bearing and aerobic exercise training in obese patients who underwent Roux-en-Y gastric bypass (RYGB). METHODS This study included 37 obese patients (81.1% women, mean age 38.2 years, mean body mass index 42.4 ± 0.5 kg/m2). Whole body densitometry was used to evaluate pre- and postoperative BMD, total body fat, and LM. Serum calcium, parathyroid hormone, 25-hydroxyvitamin D, and bone remodeling markers were measured. MS was determined through the concentric 10 repetition maximum test. Postoperatively, participants were divided into two groups: the training group, who followed an exercise program (TG, n = 18), and the control group, who did not (CG, n = 19). RESULTS After 1 year, the TG showed a lower decrease in total BMD and at the lumbar spine and right hip compared with the CG (p < 0.001). The TG had lower mass reduction and an increase in upper limb LM compared with the CG (both p < 0.05). There was no significant difference between groups in bone markers or calcium metabolism. MS was higher in the TG than the CG (p < 0.05). CONCLUSION The supervised exercise program attenuated lumbar spine and right hip BMD loss and improved LM in the arms and overall MS but did not affect bone remodeling.
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Affiliation(s)
- Luciana Campanha-Versiani
- ICBS, University Center's of Belo Horizonte (UNI-BH), Professor Mario Werneck Avenue, 1685 Estoril, Belo Horizonte, MG, 30455-610, Brazil.
| | | | | | | | | | | | - Maria Marta Sarquis Soares
- Federal University of Minas Gerais (UFMG), Belo Horizonte, Brazil.,Felício Rocho Hospital, Belo Horizonte, Brazil
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Cook FJ, Khanna I, Giordano J, Matarese L, Hudson S. LONG-TERM BONE HEALTH AFTER ROUX-EN-Y GASTRIC BYPASS: A PILOT STUDY. Endocr Pract 2017; 23:1077-1084. [PMID: 28683234 DOI: 10.4158/ep171823.or] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
OBJECTIVE This cross-sectional study was undertaken to assess metabolic bone disease by examining bone mineral density (BMD), fracture prevalence, and nutritional factors pertinent to bone in a cohort >9 years post-Rouxen-Y gastric bypass (RYGB). METHODS Fifty-one subjects 9.4 to 36.0 years (mean 17.0 ± 8.1) post-RYGB provided a focused history. Dietary calcium and protein were assessed. Dual-energy X-ray absorptiometry (DXA) BMD at the spine, hip, and radius and routine serum chemistries, magnesium, phosphorus, parathyroid hormone, vitamin D, vitamin K, and micronutrients were analyzed. Sixteen subjects provided 24-hour urine for measurement of calcium. RESULTS The mean maximum weight loss was 70.3 ± 20 kg (47.4 ± 8.9%), and mean net weight loss was 46.9 ± 23.1 kg (31.2 ± 12.5%). The prevalence rates of fracture, secondary hyperparathyroidism, and vitamin D deficiency were 15.7%, 37%, and 39%, respectively. BMD was in the osteoporotic range in 27.5%. The mean calcium:creatinine clearance ratio was 0.0124 ± 0.0131. Median intakes of dietary calcium, total calcium, protein, and vitamin D were 582.5 mg, 947.5 mg, 50.2 g, and 1,000 IU, respectively. Mean Z-scores at all sites were <0 (P<.01). A negative correlation (P<.05) was noted between distal radius Z-score and net change in BMI. Net change in BMI was greater for those with osteoporosis than those without. (P<.05) Conclusion: Many years after RYGB, BMD remains lower than expected compared to an age-, sex-, race-, and weight-matched reference population and is correlated with the amount of weight lost. Deficiencies of Vitamin D and calcium are prevalent. ABBREVIATIONS BMD = bone mineral density BMI = body mass index Ca:Cr = calcium:creatinine DXA = dual-energy X-ray absorptiometry PTH = parathyroid hormone RYGB = Roux-en-Y gastric bypass UD = ultradistal WHO = World Health Organization.
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Affiliation(s)
- Amy L. Christison
- Department of Pediatrics, University of Illinois College of Medicine at Peoria, Peoria, Illinois, USA
| | - Sandeep K. Gupta
- Department of Pediatrics, University of Illinois College of Medicine at Peoria, Peoria, Illinois, USA
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Changes in Non-Diabetic Comorbid Disease Status Following Laparoscopic Vertical Sleeve Gastrectomy (LVSG) Versus Laparoscopic Roux-En-Y Gastric Bypass (LRYGB) Procedures: a Systematic Review of Randomized Controlled Trials. Obes Surg 2016; 27:1208-1221. [DOI: 10.1007/s11695-016-2469-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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16
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Dobrowolski P, Tomaszewska E, Kurlak P, Pierzynowski SG. Dietary 2-oxoglutarate mitigates gastrectomy-evoked structural changes in cartilage of female rats. Exp Biol Med (Maywood) 2015. [PMID: 26202375 DOI: 10.1177/1535370215595466] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023] Open
Abstract
Gastrectomy (Gx) leads to osteopenia/osteoporosis in humans and animals. However, little is known about the influence of Gx on the cartilage in this regard. Recent studies have demonstrated a protective effect of 2-oxoglutaric acid (2-Ox) on bone and cartilage. Hence, the purpose of this study was to investigate whether 2-Ox can mitigate eventual Gx-induced cartilage impairment. Twenty female Sprague-Dawley rats were subjected to Gx and randomly divided into two groups: Gx + 2-Ox and Gx. Another 20 rats were sham-operated (ShO) and randomly divided into two groups: ShO + 2-Ox and ShO. The daily dose of 2-Ox administered to the rats in the drinking water was 0.43 g per 100 g rat. After eight weeks, rats were euthanized and femora and tibiae were collected. Histology and histomorphometry analyses of the articular cartilage and the growth plate were done. Gx resulted in a 32% (±44.5 femur, ±35.8 tibia) decrease in overall thickness of articular cartilage in both bones (femur: ShO 279.1 ± 48.5 vs. Gx 190.2 ± 38.4 µm, tibia: ShO 222.9 ± 50.3 µm vs. Gx 151.3 ± 52.6 µm) (in some zones up to 58 ± 28.0%), and in the growth plate up to 20% (±22.4) (femur: ShO 243.0 ± 34.0 vs. Gx 207.0 ± 33.7 µm, tibia: ShO 220.0 ± 24.6 µm vs. Gx 171.1 ± 16.1 µm). Gx altered the spatial distribution of thick and thin collagen fibers, and chondrocyte shape and size. 2-Ox administration prevented the reduction in both cartilages thickness (Gx + 2-Ox: articular cartilage 265.2 ± 53.8 µm, 235.6 ± 42.7 µm, growth plate 236.7 ± 39.2 µm, 191.3 ± 16.5 µm in femur and tibia, respectively), and abolished the spatial changes in collagen distribution and structure induced by Gx. Gx affects cartilage structure and thickness, however, 2-Ox administration mitigates these effects and showed protective and stimulatory properties. Our observations suggest that dietary 2-Ox can be used to offset some of the changes in hyaline cartilage, in particular articular cartilage, following bariatric surgeries.
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Affiliation(s)
- Piotr Dobrowolski
- Department of Comparative Anatomy and Anthropology, Maria Curie-Sklodowska University, 20-033 Lublin, Poland
| | - Ewa Tomaszewska
- Department of Animal Physiology, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, 20-950 Lublin, Poland
| | - Paulina Kurlak
- Department of Comparative Anatomy and Anthropology, Maria Curie-Sklodowska University, 20-033 Lublin, Poland
| | - Stefan G Pierzynowski
- Department of Biology, Lund University, S-223 62 Lund, Sweden Department of Medical Biology, Institute of Agricultural Medicine in Lublin, 20-950 Lublin, Poland
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Sarker A, Meek CL, Park A. Biochemical consequences of bariatric surgery for extreme clinical obesity. Ann Clin Biochem 2015; 53:21-31. [DOI: 10.1177/0004563215588116] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/01/2015] [Indexed: 01/01/2023]
Abstract
Obesity, defined as a body mass index over 30 kg/m2 for adults, poses a major healthcare challenge with important economic, personal and social consequences. Although public health measures, lifestyle change and pharmacological therapies have an important role in the management of obesity, patients with established morbid obesity (body mass index over 40 kg/m2) may also require bariatric surgery. Bariatric or metabolic surgery is associated with effective and enduring weight loss but is also known to improve glucose homeostasis, blood pressure and dyslipidaemia. Patients who have bariatric surgery need lifelong clinical follow-up to identify and prevent nutritional deficiencies and other complications. Clinical biochemistry laboratories have an important role in the nutritional assessment of obese patients and in the identification of complications following bariatric surgery. The aim of this article is to review the different bariatric procedures available and to summarize their complications, especially nutrient deficiencies and those of particular relevance to clinical biochemistry laboratories.
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Affiliation(s)
- Anita Sarker
- Department of Clinical Biochemistry and Immunology, Cambridge Universities NHS foundation trust, Addenbrooke’s Hospital, Cambridge, UK
| | - Claire L Meek
- Department of Clinical Biochemistry and Immunology, Cambridge Universities NHS foundation trust, Addenbrooke’s Hospital, Cambridge, UK
- Institute of Metabolic Science, University of Cambridge, Addenbrooke’s Hospital, Cambridge, UK
| | - Adrian Park
- Department of Clinical Biochemistry and Immunology, Cambridge Universities NHS foundation trust, Addenbrooke’s Hospital, Cambridge, UK
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Intravenous iron administration and hypophosphatemia in clinical practice. Int J Rheumatol 2015; 2015:468675. [PMID: 26000018 PMCID: PMC4426778 DOI: 10.1155/2015/468675] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2015] [Revised: 04/12/2015] [Accepted: 04/19/2015] [Indexed: 12/20/2022] Open
Abstract
Introduction. Parenteral iron formulations are frequently used to correct iron deficiency anemia (IDA) and iron deficiency (ID). Intravenous formulation efficacy on ferritin and hemoglobin level improvement is greater than that of oral formulations while they are associated with lower gastrointestinal side effects. Ferric carboxymaltose- (FCM-) related hypophosphatemia is frequent and appears without clinical significance. The aim of this study was to assess the prevalence, duration, and potential consequences of hypophosphatemia after iron injection. Patients and Methods. The medical records of all patients who underwent parenteral iron injection between 2012 and 2014 were retrospectively reviewed. Pre- and postinjection hemoglobin, ferritin, plasma phosphate, creatinine, and vitamin D levels were assessed. Patients who developed moderate (range: 0.32–0.80 mmol/L) or severe (<0.32 mmol/L) hypophosphatemia were questioned for symptoms. Results. During the study period, 234 patients received iron preparations but 104 were excluded because of missing data. Among the 130 patients included, 52 received iron sucrose (FS) and 78 FCM formulations. Among FS-treated patients, 22% developed hypophosphatemia versus 51% of FCM-treated patients, including 13% who developed profound hypophosphatemia. Hypophosphatemia severity correlated with the dose of FCM (p = 0.04) but not with the initial ferritin, hemoglobin, or vitamin D level. Mean hypophosphatemia duration was 6 months. No immediate clinical consequence was found except for persistent fatigue despite anemia correction in some patients. Conclusions. Hypophosphatemia is frequent after parenteral FCM injection and may have clinical consequences, including persistent fatigue. Further studies of chronic hypophosphatemia long-term consequences, especially bone assessments, are needed.
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Isom KA, Andromalos L, Ariagno M, Hartman K, Mogensen KM, Stephanides K, Shikora S. Nutrition and metabolic support recommendations for the bariatric patient. Nutr Clin Pract 2014; 29:718-39. [PMID: 25288251 DOI: 10.1177/0884533614552850] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Managing the metabolic needs of the patient with obesity is a challenge unto itself without the added demands of accounting for an altered gastrointestinal tract. Nevertheless, with about 200,000 bariatric procedures being performed annually in the United States, clinicians must be prepared to manage the critically ill bariatric surgery patient. This article reviews the recent literature relating to nutrient needs and metabolic support for the bariatric patient. Bariatric patients are at risk for several micronutrient deficiencies, including vitamins D and B₁₂, calcium, and iron; some bariatric procedures affect macronutrient needs as well. Literature on nutrition support guidelines for the bariatric population is limited. However, with an understanding of the anatomical and physiological effects of bariatric surgery, recent guidelines for critically ill patients with obesity can be applied to the bariatric surgery population. The unique needs of the bariatric population, such as susceptibility to micronutrient deficiencies and specialized access routes, must be considered to provide safe and efficacious nutrition support. Further research is necessary to develop specific nutrition support recommendations for the bariatric population.
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Affiliation(s)
- Kellene A Isom
- Brigham and Women's Hospital Center for Metabolic and Bariatric Surgery Boston, Massachusetts
| | - Laura Andromalos
- Brigham and Women's Hospital Center for Metabolic and Bariatric Surgery Boston, Massachusetts
| | - Meghan Ariagno
- Brigham and Women's Hospital Center for Metabolic and Bariatric Surgery Boston, Massachusetts
| | - Katy Hartman
- Brigham and Women's Hospital Center for Metabolic and Bariatric Surgery Boston, Massachusetts
| | - Kris M Mogensen
- Brigham and Women's Hospital Department of Nutrition, Boston, Massachusetts
| | - Katrina Stephanides
- Brigham and Women's Hospital Center for Metabolic and Bariatric Surgery Boston, Massachusetts
| | - Scott Shikora
- Brigham and Women's Hospital Center for Metabolic and Bariatric Surgery Boston, Massachusetts
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Alexandrou A, Armeni E, Kaparos G, Rizos D, Tsoka E, Deligeoroglou E, Creatsa M, Augoulea A, Diamantis T, Lambrinoudaki I. Bsm1 Vitamin D Receptor Polymorphism and Calcium Homeostasis Following Bariatric Surgery. J INVEST SURG 2014; 28:8-17. [DOI: 10.3109/08941939.2014.943857] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Stein J, Stier C, Raab H, Weiner R. Review article: The nutritional and pharmacological consequences of obesity surgery. Aliment Pharmacol Ther 2014; 40:582-609. [PMID: 25078533 DOI: 10.1111/apt.12872] [Citation(s) in RCA: 145] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2013] [Revised: 11/22/2013] [Accepted: 06/21/2014] [Indexed: 12/12/2022]
Abstract
BACKGROUND Obesity surgery is acknowledged as a highly effective therapy for morbidly obese patients. Beneficial short-term effects on common comorbidities are practically undisputed, but a growing data pool from long-term follow-up reveals increasing evidence of potentially severe nutritional and pharmacological consequences. AIMS To assess the prevalence, causes and symptoms of complications after obesity surgery, to elucidate and compare therapy recommendations for macro- and micronutrient deficiencies, and to explore surgically-induced effects on drug absorption and bioavailability, discussing ramifications for long-term therapy and prophylaxis. METHODS PubMed, Embase and MEDLINE were searched using terms including, but not limited to, bariatric surgery, gastric bypass, obesity surgery and Roux-en-Y, coupled with secondary search terms, e.g. anaemia, micronutrients, vitamin deficiency, bacterial overgrowth, drug absorption, pharmacokinetics, undernutrition. All studies in English, French or German published January 1980 through March 2014 were included. RESULTS Macro- and micronutrient deficiencies are common after obesity surgery. The most critical, depending on surgical technique, are hypoalbuminemia (3-18%) and deficiencies of vitamins B1 (≤49%), B12 (19-35%) and D (25-73%), iron (17-45%) and zinc (12-91%). Many drugs commonly administered to obese patients (e.g. anti-depressants, anti-microbials, metformin) are subject to post-operative and/or PPI-associated changes affecting bioavailability and absorption. CONCLUSIONS Complications are associated with pre-operative and/or post-operative malnutrition or procedure-related changes in intake, absorption and drug bioavailability. The high prevalence of nutrient deficiencies after obesity surgery makes life-long nutritional monitoring and supplementation essential. Post-operative changes to drug absorption and bioavailability in bariatric patients cast doubt on the validity of standard drug dosage and administration recommendations.
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Affiliation(s)
- J Stein
- Department of Gastroenterology and Clinical Nutrition, Sachsenhausen Hospital, Frankfurt/Main, Germany; German Obesity Center (GOC), Frankfurt-Sachsenhausen, Frankfurt/Main, Germany
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Yu EW. Bone metabolism after bariatric surgery. J Bone Miner Res 2014; 29:1507-18. [PMID: 24677277 PMCID: PMC4128478 DOI: 10.1002/jbmr.2226] [Citation(s) in RCA: 152] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/14/2014] [Revised: 03/07/2014] [Accepted: 03/12/2014] [Indexed: 12/24/2022]
Abstract
Bariatric surgery is a popular and effective treatment for severe obesity but may have negative effects on the skeleton. This review summarizes changes in bone density and bone metabolism from animal and clinical studies of bariatric surgery, with specific attention to Roux-en-Y gastric bypass (RYGB), adjustable gastric banding (AGB), and sleeve gastrectomy (SG). Skeletal imaging artifacts from obesity and weight loss are also considered. Despite challenges in bone density imaging, the preponderance of evidence suggests that bariatric surgery procedures have negative skeletal effects that persist beyond the first year of surgery, and that these effects vary by surgical type. The long-term clinical implications and current clinical recommendations are presented. Further study is required to determine mechanisms of bone loss after bariatric surgery. Although early studies focused on calcium/vitamin D metabolism and mechanical unloading of the skeleton, it seems likely that surgically induced changes in the hormonal and metabolic profile may be responsible for the skeletal phenotypes observed after bariatric surgery.
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Affiliation(s)
- Elaine W Yu
- Endocrine Unit, Massachusetts General Hospital, Boston, MA, USA
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Clare Grace P, Vincent R, Aylwin SJ. High prevalence of vitamin D insufficiency in a United Kingdom urban morbidly obese population: Implications for testing and treatment. Surg Obes Relat Dis 2014; 10:355-60. [DOI: 10.1016/j.soard.2013.07.017] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2013] [Revised: 06/12/2013] [Accepted: 07/29/2013] [Indexed: 02/01/2023]
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Levinson R, Silverman JB, Catella JG, Rybak I, Jolin H, Isom K. Pharmacotherapy prevention and management of nutritional deficiencies post Roux-en-Y gastric bypass. Obes Surg 2014; 23:992-1000. [PMID: 23558789 DOI: 10.1007/s11695-013-0922-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Roux-en-Y gastric bypass is the most commonly performed bariatric procedure. It is associated with nutritional deficiencies due to gastric reduction, intestinal bypass, reduced caloric intake, avoidance of nutrient-rich foods, noncompliance with supplementation and poor food tolerability. Although there are multiple publications on this topic, there is a lack of consistent guidance for the healthcare practitioner caring for the bariatric patient. This article will encompass literature reviewing the pharmacotherapy approach to prevention and management of nutritional deficiencies since the American Society of Metabolic and Bariatric Surgery guidelines were published in 2008.
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Biagioni MFG, Mendes AL, Nogueira CR, Paiva SA, Leite CV, Mazeto GM. Weight-Reducing Gastroplasty with Roux-en-Y Gastric Bypass: Impact on Vitamin D Status and Bone Remodeling Markers. Metab Syndr Relat Disord 2014; 12:11-5. [DOI: 10.1089/met.2013.0026] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023] Open
Affiliation(s)
| | - Adriana L. Mendes
- Department of Internal Medicine, São Paulo State University, FMB-UNESP, Botucatu, Brazil
| | - Célia R. Nogueira
- Department of Internal Medicine, São Paulo State University, FMB-UNESP, Botucatu, Brazil
| | - Sérgio A.R. Paiva
- Department of Internal Medicine, São Paulo State University, FMB-UNESP, Botucatu, Brazil
| | - Celso V. Leite
- Department of Surgery, Botucatu Medical School, São Paulo State University, FMB-UNESP, Botucatu, Brazil
| | - Gláucia M.F.S. Mazeto
- Department of Internal Medicine, São Paulo State University, FMB-UNESP, Botucatu, Brazil
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Mechanick JI, Youdim A, Jones DB, Garvey WT, Hurley DL, McMahon MM, Heinberg LJ, Kushner R, Adams TD, Shikora S, Dixon JB, Brethauer S. Clinical practice guidelines for the perioperative nutritional, metabolic, and nonsurgical support of the bariatric surgery patient--2013 update: cosponsored by American Association of Clinical Endocrinologists, The Obesity Society, and American Society for Metabolic & Bariatric Surgery. Obesity (Silver Spring) 2013; 21 Suppl 1:S1-27. [PMID: 23529939 PMCID: PMC4142593 DOI: 10.1002/oby.20461] [Citation(s) in RCA: 741] [Impact Index Per Article: 67.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2012] [Accepted: 12/27/2012] [Indexed: 02/06/2023]
Abstract
The development of these updated guidelines was commissioned by the AACE, TOS, and ASMBS Board of Directors and adheres to the AACE 2010 protocol for standardized production of clinical practice guidelines (CPG). Each recommendation was re-evaluated and updated based on the evidence and subjective factors per protocol. Examples of expanded topics in this update include: the roles of sleeve gastrectomy, bariatric surgery in patients with type-2 diabetes, bariatric surgery for patients with mild obesity, copper deficiency, informed consent, and behavioral issues. There are 74 recommendations (of which 56 are revised and 2 are new) in this 2013 update, compared with 164 original recommendations in 2008. There are 403 citations, of which 33 (8.2%) are EL 1, 131 (32.5%) are EL 2, 170 (42.2%) are EL 3, and 69 (17.1%) are EL 4. There is a relatively high proportion (40.4%) of strong (EL 1 and 2) studies, compared with only 16.5% in the 2008 AACE-TOS-ASMBS CPG. These updated guidelines reflect recent additions to the evidence base. Bariatric surgery remains a safe and effective intervention for select patients with obesity. A team approach to perioperative care is mandatory with special attention to nutritional and metabolic issues.
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Mechanick JI, Youdim A, Jones DB, Garvey WT, Hurley DL, McMahon MM, Heinberg LJ, Kushner R, Adams TD, Shikora S, Dixon JB, Brethauer S. Clinical practice guidelines for the perioperative nutritional, metabolic, and nonsurgical support of the bariatric surgery patient--2013 update: cosponsored by American Association of Clinical Endocrinologists, the Obesity Society, and American Society for Metabolic & Bariatric Surgery. Endocr Pract 2013; 19:337-72. [PMID: 23529351 PMCID: PMC4140628 DOI: 10.4158/ep12437.gl] [Citation(s) in RCA: 279] [Impact Index Per Article: 25.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The development of these updated guidelines was commissioned by the AACE, TOS, and ASMBS Board of Directors and adheres to the AACE 2010 protocol for standardized production of clinical practice guidelines (CPG). Each recommendation was re-evaluated and updated based on the evidence and subjective factors per protocol. Examples of expanded topics in this update include: the roles of sleeve gastrectomy, bariatric surgery in patients with type-2 diabetes, bariatric surgery for patients with mild obesity, copper deficiency, informed consent, and behavioral issues. There are 74 recommendations (of which 56 are revised and 2 are new) in this 2013 update, compared with 164 original recommendations in 2008. There are 403 citations, of which 33 (8.2%) are EL 1, 131 (32.5%) are EL 2, 170 (42.2%) are EL 3, and 69 (17.1%) are EL 4. There is a relatively high proportion (40.4%) of strong (EL 1 and 2) studies, compared with only 16.5% in the 2008 AACE-TOS-ASMBS CPG. These updated guidelines reflect recent additions to the evidence base. Bariatric surgery remains a safe and effective intervention for select patients with obesity. A team approach to perioperative care is mandatory with special attention to nutritional and metabolic issues.
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Mechanick JI, Youdim A, Jones DB, Timothy Garvey W, Hurley DL, Molly McMahon M, Heinberg LJ, Kushner R, Adams TD, Shikora S, Dixon JB, Brethauer S. Clinical practice guidelines for the perioperative nutritional, metabolic, and nonsurgical support of the bariatric surgery patient--2013 update: cosponsored by American Association of Clinical Endocrinologists, the Obesity Society, and American Society for Metabolic & Bariatric Surgery. Surg Obes Relat Dis 2013; 9:159-91. [PMID: 23537696 DOI: 10.1016/j.soard.2012.12.010] [Citation(s) in RCA: 430] [Impact Index Per Article: 39.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2012] [Accepted: 12/27/2012] [Indexed: 02/06/2023]
Abstract
The development of these updated guidelines was commissioned by the AACE, TOS, and ASMBS Board of Directors and adheres to the AACE 2010 protocol for standardized production of clinical practice guidelines (CPG). Each recommendation was re-evaluated and updated based on the evidence and subjective factors per protocol. Examples of expanded topics in this update include: the roles of sleeve gastrectomy, bariatric surgery in patients with type-2 diabetes, bariatric surgery for patients with mild obesity, copper deficiency, informed consent, and behavioral issues. There are 74 recommendations (of which 56 are revised and 2 are new) in this 2013 update, compared with 164 original recommendations in 2008. There are 403 citations, of which 33 (8.2%) are EL 1, 131 (32.5%) are EL 2, 170 (42.2%) are EL 3, and 69 (17.1%) are EL 4. There is a relatively high proportion (40.4%) of strong (EL 1 and 2) studies, compared with only 16.5% in the 2008 AACE-TOS-ASMBS CPG. These updated guidelines reflect recent additions to the evidence base. Bariatric surgery remains a safe and effective intervention for select patients with obesity. A team approach to perioperative care is mandatory with special attention to nutritional and metabolic issues.
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Casagrande DS, Repetto G, Mottin CC, Shah J, Pietrobon R, Worni M, Schaan BD. Changes in bone mineral density in women following 1-year gastric bypass surgery. Obes Surg 2012; 22:1287-92. [PMID: 22692668 DOI: 10.1007/s11695-012-0687-z] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
BACKGROUND Roux-en-Y gastric bypass (RYGB) surgery is the gold standard surgical treatment for obesity. However, unintended nutritional deficiencies following this surgery are common, including changes in bone metabolism. We assessed changes in bone mineral density (BMD), nutritional compounds, and bone resorption markers before and 1 year following RYGB surgery. METHODS Our study included 22 female patients with class II/III obesity. A clinical questionnaire, a 24-h recall, blood and urine samples, and dual-energy X-ray absorptiometry were provided. RESULTS Mean age was 37.2 ± 9.6 years; 86 % were Caucasian and 77.2 % were premenopausal. Mean preoperative body mass index was 44.4 ± 5.0 and 27.5 ± 4.5 kg/m(2) at 1-year follow-up (p < 0.001). 25-OH-vitamin D-levels were similar in both periods [11.7 (9.7-18.0) vs. 15.7 (10.2-2.7) pg/dL, p = 0.327]. Serum N-telopeptide (16.3 ± 3.4 vs. 38.2 ± 7.0 nM BCE, p < 0.001) and parathyroid hormone (45.4 ± 16.7 vs. 62.7 ± 28.9 pg/mL, p = 0.026) increased after RYGB surgery, reflecting bone resorption. BMD decreased after RYGB surgery in the lumbar spine (1.13 ± 0.11 vs. 1.04 ± 0.09 g/cm(2), p = 0.001), femoral neck (1.03 ± 0.15 vs. 0.94 ± 0.16 g/cm(2), p = 0.001), and total femur (1.07 ± 0.11 vs. 0.97 ± 0.15 g/cm(2), p = 0.003). CONCLUSIONS Decreased BMD in the lumbar spine, femoral neck, and total femur is detectable in women 1 year after RYGB surgery. Calcium malabsorption, caused by vitamin D deficiency and increased bone resorption, is partially responsible for these outcomes and should be targeted in future clinical trials.
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Affiliation(s)
- Daniela Schaan Casagrande
- Postgraduate Program in Medical Sciences: Endocrinology and Metabolism, Hospital de Clinicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil
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Abstract
The use of bariatric surgery for the treatment of morbid obesity has increased annually for the last decade. Although many studies have demonstrated the efficacy and durability of bariatric surgery for weight loss, there are limited data regarding long-term side effects of these procedures. Recently, there has been an increased focus on the impact of bariatric surgery on bone metabolism. Bariatric surgery utilizes one or more of three mechanisms of action resulting in sustained weight loss. These include restriction (gastric banding, vertical banded gastroplasty and sleeve gastrectomy), malabsorption surgery with or without associated restriction (Roux en Y gastric bypass, duodenal switch, biliopancreatic diversion and jejunoileal bypass) and changes in gut-derived hormones that control energy metabolism also referred to as neuro-hormonal control of energy metabolism (Roux en Y gastric bypass, duodenal switch, biliopancreatic diversion, jejunoileal bypass, surgical procedures as above and gastric sleeve). Weight reduction has been associated with increased bone resorption but the mechanisms behind this have not yet been fully elucidated. Each of the mechanisms of action of bariatric surgery (restriction, malabsorption, neuro-hormonal control of energy metabolism) may uniquely affect bone resorption. In this paper we will review the current state of knowledge regarding the relationship between bariatric surgery and bone metabolism with emphasis on possible mechanisms of action such as malnutrition, hormonal interactions and mechanical unloading of the skeleton. Further, we suggest a future research agenda.
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Reyes García R, Jódar Gimeno E, García Martín A, Romero Muñoz M, Gómez Sáez JM, Luque Fernández I, Varsavsky M, Guadalix Iglesias S, Cano Rodriguez I, Ballesteros Pomar MD, Vidal Casariego A, Rozas Moreno P, Cortés Berdonces M, Fernández García D, Calleja Canelas A, Palma Moya M, Martínez Díaz-Guerra G, Jimenez Moleón JJ, Muñoz Torres M. [Clinical practice guidelines for evaluation and treatment of osteoporosis associated to endocrine and nutritional conditions. Bone Metabolism Working Group of the Spanish Society of Endocrinology]. ACTA ACUST UNITED AC 2012; 59:174-96. [PMID: 22321561 DOI: 10.1016/j.endonu.2012.01.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2012] [Accepted: 01/10/2012] [Indexed: 12/23/2022]
Abstract
OBJECTIVE To provide practical recommendations for evaluation and treatment of osteoporosis associated to endocrine diseases and nutritional conditions. PARTICIPANTS Members of the Bone Metabolism Working Group of the Spanish Society of Endocrinology, a methodologist, and a documentalist. METHODS Recommendations were formulated according to the GRADE system (Grading of Recommendations, Assessment, Development, and Evaluation) to describe both the strength of recommendations and the quality of evidence. A systematic search was made in MEDLINE (Pubmed), using the following terms associated to the name of each condition: AND "osteoporosis", "fractures", "bone mineral density", and "treatment". Papers in English with publication date before 18 October 2011 were included. Current evidence for each disease was reviewed by two group members, and doubts related to the review process or development of recommendations were resolved by the methodologist. Finally, recommendations were discussed in a meeting of the Working Group. CONCLUSIONS The document provides evidence-based practical recommendations for evaluation and management of endocrine and nutritional diseases associated to low bone mass or an increased risk of fracture. For each disease, the associated risk of low bone mass and fragility fractures is given, recommendations for bone mass assessment are provided, and treatment options that have shown to be effective for increasing bone mass and/or to decreasing fragility fractures are listed.
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