Metabolic and Bariatric Surgery

Pathway Contributor: Lisa Doerr

Credentials:
MSc, RD

Contributions:

• What impact does bariatric surgery have on pregnancy outcomes and maternal nutritional status in women of childbearing age?  

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• Does bariatric surgery affect eating disorders or disordered eating behaviours in adults who have undergone bariatric surgery?  

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• Is perceived social support or participation in social support interventions associated with improved outcomes in adults after bariatric surgery?  

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• Do adults who undergo bariatric surgery have a greater long-term weight loss and weight maintenance than individuals following non-surgical interventions for weight reduction?  

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• Does following a supervised weight loss program prior to bariatric surgery result in greater postoperative weight loss and/or improved operating procedure outcomes (e.g. operative time, complication rate, length of stay) in adults undergoing bariatric surgery?  

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• Which postoperative eating behaviours are associated with greater weight loss and longer-term weight maintenance in adults who have undergone bariatric surgery?  

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• What are the risks of preoperative malnutrition (including micronutrient deficiency) in adults scheduled to undergo bariatric surgery, and how can nutritional status be optimized to minimize these risks?  

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• Do probiotics affect body composition or other outcomes (e.g. quality of life, metabolic outcomes, gastrointestinal symptoms, body composition) in adults who have undergone bariatric surgery?  

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• What nutritional recommendations should be followed for adults in the first few weeks following bariatric surgery?  

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• What is the recommended nutritional management for common side-effects of bariatric surgery (e.g. diarrhea, constipation, dumping syndrome, kidney stones, decreased bone health)?  

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• How common is weight regain among adults after bariatric surgery and how should dietitians address post-surgery weight regain?  

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• Which vitamin and mineral supplements should be prescribed to adults who have undergone bariatric surgery to prevent postoperative malnutrition, and do recommendations differ based on the type of surgery?  

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• Does participation in pre- or post-bariatric surgery behavioural management programs improve outcomes in adults post-surgery?  

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• Metabolic and Bariatric Surgery Background

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