Articles we'll be covering during this session:
American Academy of Pediatrics. Pediatric Metabolic and Bariatric Surgery: Evidence, Barriers, and Best Practices.
Clinical Practice guidelines for the perioperative nutrition, metabolic, and nonsurgical support of patients undergoing bariatric procedures - 2019 update.
2022 ASMBS: Indications for Metabolic and Bariatric Surgery
ASMBS literature review and clinical guidelines on prevention, diagnosis, and treatment of Wernicke's encephalopathy and Wernicke-Korsakoff syndrome
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Please review the guardrails and information regarding the study group here.
Our discussion questions for this session:
AAP Policy Statement: Pediatric Metabolic and Bariatric Surgery (Armstrong et al., 2019/2025)
- Why does the AAP emphasize that lifestyle modification often falls short for youth with "severe obesity" compared to those with less severe forms?
- How does the AAP's definition of "severe" obesity (Class 2 and Class 3) fundamentally shift the clinical threshold for surgical intervention in adolescents compared to traditional pediatric weight management?
- What is the "epidemic within an epidemic" described in this policy?
AACE/TOS/ASMBS/OMA/ASA Clinical Practice Guidelines (Mechanick et al., 2020)
- The 2019 CPG update introduced the concept of "adiposity-based chronic disease" (ABCD) and shifted the framework away from BMI-centric decision-making. How does this model change how RDs should frame MBS eligibility conversations with patients and the care team?
- The guidelines emphasize that preoperative insurance-mandated weight loss requirements are NOT evidence-based and may be harmful. What does the research show, and how should RDs respond when patients face these barriers?
- Evaluate the complexity of determining "adequate" protein intake during the active weight loss phase; why do guidelines provide a range (1.2 to 2.1g/kg ideal body weight) rather than a fixed target?
ASMBS/IFSO 2022 Indications for MBS (Eisenberg et al., 2022)
- The 2022 ASMBS/IFSO statement significantly updates the 1991 NIH criteria. Summarize the major changes to BMI thresholds and explain why these changes matter for practice.
- The 2022 statement concludes that MBS is associated with a significant reduction in cancer risk. Summarize the current evidence on cancer and explain how this information might be used in motivational counseling with patients who are hesitant about surgery.
- Traditionally, bariatric criteria have been based on Western population data. The 2022 ASMBS/IFSO recommends lowering the BMI threshold for metabolic surgery to 27.5kg/m² for individuals of Asian descent. How does the "phenotype of the thin-fat Asian" (characterized by high visceral adiposity at a lower BMI) necessitate a shift from using BMI as a measure of size to using BMI as a measure of metabolic risk?