Evidence Based Medicine on FHIR Implementation Guide, published by HL7 International / Clinical Decision Support. This guide is not an authorized publication; it is the continuous build for version 2.0.0-ballot built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/ebm/ and changes regularly. See the Directory of published versions
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"div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: Composition 179465</b></p><a name=\"179465\"> </a><a name=\"hc179465\"> </a><a name=\"179465-en-US\"> </a><div style=\"display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%\"><p style=\"margin-bottom: 0px\">version: 41; Last updated: 2024-11-26 16:35:57+0000</p><p style=\"margin-bottom: 0px\">Profiles: <a href=\"StructureDefinition-guideline.html\">Guideline</a>, <a href=\"StructureDefinition-evidence-report-package.html\">EvidenceReportPackage</a></p></div><p><b>Artifact Description</b>: </p><div><p>Example of Guideline Profile of Composition Resource</p>\n</div><p><b>url</b>: <a href=\"https://fevir.net/resources/Composition/179465\">https://fevir.net/resources/Composition/179465</a></p><p><b>identifier</b>: FEvIR Object Identifier/https://fevir.net/FOI/179465</p><p><b>status</b>: Final</p><p><b>type</b>: <span title=\"Codes:{https://fevir.net/resources/CodeSystem/179423 Guideline}\">Guideline</span></p><p><b>date</b>: 2024-11-26 16:35:57+0000</p><p><b>author</b>: Brian S. Alper</p><p><b>title</b>: Guideline: ADA 2021 Standards of Medical Care 8. Obesity Management for the Treatment of Type 2 Diabetes</p><p><b>custodian</b>: <a href=\"Organization-118079.html\">Computable Publishing LLC</a></p><h3>RelatesTos</h3><table class=\"grid\"><tr><td style=\"display: none\">-</td><td><b>Type</b></td><td><b>Classifier</b></td><td><b>Label</b></td><td><b>Citation</b></td><td><b>ResourceReference</b></td></tr><tr><td style=\"display: none\">*</td><td>Cite As</td><td> </td><td>Cite as</td><td><div><p>Guideline: ADA 2021 Standards of Medical Care 8. Obesity Management for the Treatment of Type 2 Diabetes [Database Entry: FHIR Composition Resource]. Contributors: Brian S. Alper [Authors/Creators]. In: Fast Evidence Interoperability Resources (FEvIR) Platform, FOI 179465. Revised 2024-07-17. Available at: https://fevir.net/resources/Composition/179465. Computable resource at: https://fevir.net/FLI/DocumentForComposition179465.</p>\n</div></td><td> </td></tr><tr><td style=\"display: none\">*</td><td>Specification Of</td><td><span title=\"Codes:{https://fevir.net/resources/CodeSystem/179423 Guideline}\">Guideline</span></td><td>Original publication</td><td><div><p>https://diabetesjournals.org/care/article/44/Supplement_1/S100/30970/8-Obesity-Management-for-the-Treatment-of-Type-2</p>\n</div></td><td><a href=\"Citation-32137.html\">JournalArticleCitation: ADA 2021 Standards of Medical Care 8. Obesity Management for the Treatment of Type 2 Diabetes</a></td></tr></table></div>"
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"div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">There is strong and consistent evidence that obesity management can delay the progression from prediabetes to type 2 diabetes (1–5) and is highly beneficial in the treatment of type 2 diabetes (6–17). In patients with type 2 diabetes who also have overweight or obesity, modest and sustained weight loss has been shown to improve glycemic control and reduce the need for glucose-lowering medications (6–8). Several studies have demonstrated that in patients with type 2 diabetes and obesity, more intensive dietary energy restriction with very-low-calorie diets can substantially reduce A1C and fasting glucose and promote sustained diabetes remission through at least 2 years (10,18–21). The goal of this section is to provide evidence-based recommendations for obesity management, including dietary, behavioral, pharmacologic, and surgical interventions, in patients with type 2 diabetes. This section focuses on obesity management in adults. Further discussion on obesity in older individuals and children can be found in Section 12 “Older Adults” (https://doi.org/10.2337/dc21-S012) and Section 13 “Children and Adolescents” (https://doi.org/10.2337/dc21-S013), respectively.</div>"
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"div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">The American Diabetes Association (ADA) “Standards of Medical Care in Diabetes” includes the ADA's current clinical practice recommendations and is intended to provide the components of diabetes care, general treatment goals and guidelines, and tools to evaluate quality of care. Members of the ADA Professional Practice Committee, a multidisciplinary expert committee (https://doi.org/10.2337/dc21-SPPC), are responsible for updating the Standards of Care annually, or more frequently as warranted. For a detailed description of ADA standards, statements, and reports, as well as the evidence-grading system for ADA's clinical practice recommendations, please refer to the Standards of Care Introduction (https://doi.org/10.2337/dc21-SINT). Readers who wish to comment on the Standards of Care are invited to do so at professional.diabetes.org/SOC.</div>"
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"div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><b>8.16</b> Metabolic surgery should be a recommended option to treat type 2 diabetes in screened surgical candidates with BMI ≥40 kg/m2 (BMI ≥37.5 kg/m2 in Asian Americans) and in adults with BMI 35.0–39.9 kg/m2 (32.5–37.4 kg/m2 in Asian Americans) who do not achieve durable weight loss and improvement in comorbidities (including hyperglycemia) with nonsurgical methods. <b>A</b>\n<br/>\n<b>8.17</b> Metabolic surgery may be considered as an option to treat type 2 diabetes in adults with BMI 30.0–34.9 kg/m2 (27.5–32.4 kg/m2 in Asian Americans) who do not achieve durable weight loss and improvement in comorbidities (including hyperglycemia) with nonsurgical methods. <b>A</b></div>"
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"div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">Several gastrointestinal (GI) operations, including partial gastrectomies and bariatric procedures (44), promote dramatic and durable weight loss and improvement of type 2 diabetes in many patients. Given the magnitude and rapidity of the effect of GI surgery on hyperglycemia and experimental evidence that rearrangements of GI anatomy similar to those in some metabolic procedures directly affect glucose homeostasis (45), GI interventions have been suggested as treatments for type 2 diabetes, and in that context they are termed “metabolic surgery.”\n\nA substantial body of evidence has now been accumulated, including data from numerous randomized controlled (nonblinded) clinical trials, demonstrating that metabolic surgery achieves superior glycemic control and reduction of cardiovascular risk factors in patients with type 2 diabetes and obesity compared with various lifestyle/medical interventions (17). Improvements in microvascular complications of diabetes, cardiovascular disease, and cancer have been observed only in nonrandomized observational studies (59–70). Cohort studies attempting to match surgical and nonsurgical subjects suggest that the procedure may reduce longer-term mortality (60,71).\n\nWhile several surgical options are available, the overwhelming majority of procedures in the U.S. are vertical sleeve gastrectomy and Roux-en-Y gastric bypass (RYGB). Both procedures result in an anatomically smaller stomach pouch and often robust changes in enteroendocrine hormones. On the basis of this mounting evidence, several organizations and government agencies have recommended expanding the indications for metabolic surgery to include patients with type 2 diabetes who do not achieve durable weight loss and improvement in comorbidities (including hyperglycemia) with reasonable nonsurgical methods at BMIs as low as 30 kg/m2 (27.5 kg/m2 for Asian Americans) (72–79). Randomized controlled trials have documented diabetes remission during postoperative follow-up ranging from 1 to 5 years in 30–63% of patients with RYGB, which generally leads to greater degrees and lengths of remission compared with other bariatric surgeries (17,80). Available data suggest an erosion of diabetes remission over time (81): 35–50% or more of patients who initially achieve remission of diabetes eventually experience recurrence. However, the median disease-free period among such individuals following RYGB is 8.3 years (82,83). With or without diabetes relapse, the majority of patients who undergo surgery maintain substantial improvement of glycemic control from baseline for at least 5 years (84,85) to 15 years (60,61,83,86–88).\n\nExceedingly few presurgical predictors of success have been identified, but younger age, shorter duration of diabetes (e.g., <8 years) (89), nonuse of insulin, maintenance of weight loss, and better glycemic control are consistently associated with higher rates of diabetes remission and/or lower risk of weight regain (60,87,89,90). Greater baseline visceral fat area may also help to predict better postoperative outcomes, especially among Asian American patients with type 2 diabetes, who typically have more visceral fat compared with Caucasians with diabetes of the same BMI (91). Beyond improving glycemia, metabolic surgery has been shown to confer additional health benefits in randomized controlled trials, including substantial reductions in cardiovascular disease risk factors (17), reductions in incidence of microvascular disease (92), and enhancements in quality of life (84,89,93).\n\nAlthough metabolic surgery has been shown to improve the metabolic profiles of patients with type 1 diabetes and morbid obesity, establishing the role of metabolic surgery in such patients will require larger and longer studies (94).\n\nMetabolic surgery is more expensive than nonsurgical management strategies, but retrospective analyses and modeling studies suggest that metabolic surgery may be cost-effective or even cost-saving for patients with type 2 diabetes. However, results are largely dependent on assumptions about the long-term effectiveness and safety of the procedures (95,96).</div>"
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"div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">The safety of metabolic surgery has improved significantly over the past several decades, with continued refinement of minimally invasive approaches (laparoscopic surgery), enhanced training and credentialing, and involvement of multidisciplinary teams. Mortality rates with metabolic operations are typically 0.1–0.5%, similar to cholecystectomy or hysterectomy (97–101). Morbidity has also dramatically declined with laparoscopic approaches. Major complications and need for operative reintervention occur in 2–6% of those undergoing bariatric surgery, with other minor complications in up to 15% (97–106). These rates compare favorably with those for other commonly performed elective operations (101). Empirical data suggest that proficiency of the operating surgeon is an important factor for determining mortality, complications, reoperations, and readmissions (107). Accordingly, metabolic surgery should be performed in high-volume centers with multidisciplinary teams knowledgeable about and experienced in the management of diabetes and GI surgery.\n\nLonger-term concerns include dumping syndrome (nausea, colic, and diarrhea), vitamin and mineral deficiencies, anemia, osteoporosis, and severe hypoglycemia (108). Long-term nutritional and micronutrient deficiencies and related complications occur with variable frequency depending on the type of procedure and require lifelong vitamin/nutritional supplementation; thus, long-term lifestyle support and routine monitoring of micronutrient and nutritional status should be provided to patients after surgery (109,110). Postprandial hypoglycemia is most likely to occur with RYGB (110,111). The exact prevalence of symptomatic hypoglycemia is unknown. In one study, it affected 11% of 450 patients who had undergone RYGB or vertical sleeve gastrectomy (108). Patients who undergo metabolic surgery may be at increased risk for substance use, including drug and alcohol use and cigarette smoking. Additional potential risks of metabolic surgery that have been described include worsening or new-onset depression and/or anxiety, need for additional GI surgery, and suicidal ideation (112–115).\n\nPeople with diabetes presenting for metabolic surgery also have increased rates of depression and other major psychiatric disorders (116). Candidates for metabolic surgery with histories of alcohol, tobacco, or substance abuse or significant depression, suicidal ideation, or other mental health conditions should therefore first be assessed by a mental health professional with expertise in obesity management prior to consideration for surgery (117). Surgery should be postponed in patients with alcohol or substance abuse disorders, significant depression, suicidal ideation, or other mental health conditions until these conditions have been fully addressed. Individuals with preoperative psychopathology should be assessed regularly following metabolic surgery to optimize mental health management and to ensure that psychiatric symptoms do not interfere with weight loss and lifestyle changes.</div>"
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"div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">59.Sjöström\u2008L, Lindroos\u2008A-K, Peltonen\u2008M, et al.; Swedish Obese Subjects Study Scientific Group. Lifestyle, diabetes, and cardiovascular risk factors 10 years after bariatric surgery. N Engl J Med\u20082004;351:2683–2693\n \n60.Sjöström\u2008L, Peltonen\u2008M, Jacobson\u2008P, et al. Association of bariatric surgery with long-term remission of type 2 diabetes and with microvascular and macrovascular complications. JAMA\u20082014;311:2297–2304\n \n61.Adams\u2008TD, Davidson\u2008LE, Litwin\u2008SE, et al. Health benefits of gastric bypass surgery after 6 years. JAMA\u20082012;308:1122–1131\n \n62.Sjöström\u2008L, Narbro\u2008K, Sjöström\u2008CD, et al.; Swedish Obese Subjects Study. Effects of bariatric surgery on mortality in Swedish obese subjects. N Engl J Med\u20082007;357:741–752\n \n63.Sjöström\u2008L, Gummesson\u2008A, Sjöström\u2008CD, et al.; Swedish Obese Subjects Study. Effects of bariatric surgery on cancer incidence in obese patients in Sweden (Swedish Obese Subjects Study): a prospective, controlled intervention trial. Lancet Oncol\u20082009;10:653–662\n \n64.Sjöström\u2008L, Peltonen\u2008M, Jacobson\u2008P, et al. Bariatric surgery and long-term cardiovascular events. JAMA\u20082012;307:56–65\n \n65.Adams\u2008TD, Gress\u2008RE, Smith\u2008SC, et al. Long-term mortality after gastric bypass surgery. N Engl J Med\u20082007;357:753–761\n \n66.Arterburn\u2008DE, Olsen\u2008MK, Smith\u2008VA, et al. Association between bariatric surgery and long-term survival. JAMA\u20082015;313:62–70\n \n67.Adams\u2008TD, Arterburn\u2008DE, Nathan\u2008DM, Eckel\u2008RH. Clinical outcomes of metabolic surgery: microvascular and macrovascular complications. Diabetes Care\u20082016;39:912–923\n \n68.Sheng\u2008B, Truong\u2008K, Spitler\u2008H, Zhang\u2008L, Tong\u2008X, Chen\u2008L. The long-term effects of bariatric surgery on type 2 diabetes remission, microvascular and macrovascular complications, and mortality: a systematic review and meta-analysis. Obes Surg\u20082017;27:2724–2732\n \n69.Fisher\u2008DP, Johnson\u2008E, Haneuse\u2008S, et al. Association between bariatric surgery and macrovascular disease outcomes in patients with type 2 diabetes and severe obesity. JAMA\u20082018;320:1570–1582\n \n70.Billeter\u2008AT, Scheurlen\u2008KM, Probst\u2008P, et al. Meta-analysis of metabolic surgery versus medical treatment for microvascular complications in patients with type 2 diabetes mellitus. Br J Surg\u20082018;105:168–181\n \n71.Aminian\u2008A, Zajichek\u2008A, Arterburn\u2008DE, et al. Association of metabolic surgery with major adverse cardiovascular outcomes in patients with type 2 diabetes and obesity. JAMA\u20082019;322:1271–1282\n \n72.Rubino\u2008F, Kaplan\u2008LM, Schauer\u2008PR, Cummings\u2008DE; Diabetes Surgery Summit Delegates. The Diabetes Surgery Summit consensus conference: recommendations for the evaluation and use of gastrointestinal surgery to treat type 2 diabetes mellitus. Ann Surg\u20082010;251:399–405\n \n73.Cummings\u2008DE, Cohen\u2008RV. Beyond BMI: the need for new guidelines governing the use of bariatric and metabolic surgery. Lancet Diabetes Endocrinol\u20082014;2:175–181\n \n74.Zimmet\u2008P, Alberti\u2008KGMM, Rubino\u2008F, Dixon\u2008JB. IDF’s view of bariatric surgery in type 2 diabetes. Lancet\u20082011;378:108–110\n \n75.Kasama\u2008K, Mui\u2008W, Lee\u2008WJ, et al. IFSO-APC consensus statements 2011. Obes Surg\u20082012;22:677–684\n \n76.Wentworth\u2008JM, Burton\u2008P, Laurie\u2008C, Brown\u2008WA, O’Brien\u2008PE. Five-year outcomes of a randomized trial of gastric band surgery in overweight but not obese people with type 2 diabetes. Diabetes Care\u20082017;40:e44–e45\n \n77.Cummings\u2008DE, Arterburn\u2008DE, Westbrook\u2008EO, et al. Gastric bypass surgery vs intensive lifestyle and medical intervention for type 2 diabetes: the CROSSROADS randomised controlled trial. Diabetologia\u20082016;59:945–953\n \n78.Liang\u2008Z, Wu\u2008Q, Chen\u2008B, Yu\u2008P, Zhao\u2008H, Ouyang\u2008X. Effect of laparoscopic Roux-en-Y gastric bypass surgery on type 2 diabetes mellitus with hypertension: a randomized controlled trial. Diabetes Res Clin Pract\u20082013;101:50–56\n \n79.Aminian\u2008A, Chang\u2008J, Brethauer\u2008SA, Kim\u2008JJ; American Society for Metabolic and Bariatric Surgery Clinical Issues Committee. ASMBS updated position statement on bariatric surgery in class I obesity (BMI 30–35 kg/m2). Surg Obes Relat Dis\u20082018;14:1071–1087\n \n80.Isaman\u2008DJM, Rothberg\u2008AE, Herman\u2008WH. Reconciliation of type 2 diabetes remission rates in studies of Roux-en-Y gastric bypass. Diabetes Care\u20082016;39:2247–2253\n \n81.Ikramuddin\u2008S, Korner\u2008J, Lee\u2008W-J, et al. Durability of addition of Roux-en-Y gastric bypass to lifestyle intervention and medical management in achieving primary treatment goals for uncontrolled type 2 diabetes in mild to moderate obesity: a randomized control trial. Diabetes Care\u20082016;39:1510–1518\n \n82.Sjöholm\u2008K, Pajunen\u2008P, Jacobson\u2008P, et al. Incidence and remission of type 2 diabetes in relation to degree of obesity at baseline and 2 year weight change: the Swedish Obese Subjects (SOS) study. Diabetologia\u20082015;58:1448–1453\n \n83.Arterburn\u2008DE, Bogart\u2008A, Sherwood\u2008NE, et al. A multisite study of long-term remission and relapse of type 2 diabetes mellitus following gastric bypass. Obes Surg\u20082013;23:93–102\n \n84.Mingrone\u2008G, Panunzi\u2008S, De Gaetano\u2008A, et al. Bariatric-metabolic surgery versus conventional medical treatment in obese patients with type 2 diabetes: 5 year follow-up of an open-label, single-centre, randomised controlled trial. 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"div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">Data Source: Section 8. Obesity Management for the Treatment of Type 2 Diabetes: Standards of Medical Care in Diabetes-2021 [Journal Article]. Contributors: American Diabetes Association. In: Diabetes care, PMID 33298419. Published January 2021. Available at: https://pubmed.ncbi.nlm.nih.gov/33298419/.</div>"
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