PsychEd Episode 36: Understanding Eating Disorders with Dr. Randy Staab

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Welcome to PsychEd, the psychiatry podcast for medical learners, by medical learners. This is the first of two episodes covering the topic of eating disorders. In this episode, we explore the diagnosis, etiology, and symptomatology of these illnesses with Dr. Randy Staab, a psychiatrist at Trillium Health Partners and medical director of the eating disorders program at Credit Valley Hospital. Dr. Staab joins us again for Part 2, which will focus on eating disorder treatment.   By the end of this episode, you should be able to… Recognize the clinical features of the following eating disorders using DSM-5 diagnostic criteria:  Anorexia Nervosa (AN) Bulimia Nervosa (BN) Binge Eating Disorder (BED) Avoidant/Restrictive Food Intake Disorder (ARFID) Other Specified Feeding or Eating Disorder (OSFED) Identify predisposing factors for eating disorders using a biopsychosocial framework. List common comorbid psychiatric conditions associated with eating disorders. Identify and describe the medical complications of eating disorders.   Guest: Dr. Randolf “Randy” Staab   Hosts: Dr. Lucy Chen, Dr. Nikhita Singhal (PGY2), Dr. Vanessa Aversa (PGY3)   Audio editing by: Dr. Nikhita Singhal, Dr. Vanessa Aversa   Show notes by: Dr. Vanessa Aversa   Interview Content: Introduction - 0:00  Learning objectives - 2:08 DSM-5 definition, clinical features, and associated comorbidities of: Anorexia Nervosa (AN) - 4:27 Bulimia Nervosa (BN) - 12:36 Binge Eating Disorder (BED) - 18:08 Avoidant/Restrictive Food Intake Disorder (ARFID) - 21:43 Other Specified Feeding or Eating Disorder (OSFED) - 26:21 Approach to the initial assessment of a patient with an eating disorder - 29:45 Predisposing factors and explanatory models for the development of eating disorders: Biological factors - 38:10 Psychological factors - 44:00 Sociocultural factors - 48:02 Onset of eating disorders - 49:34 Possible precipitating factors - 51:50 Medical complications of eating disorders: Cardiovascular - 56:13 Endocrine - 58:09 Musculoskeletal - 1:03:20 Gastrointestinal - 1:05:17 Neurological - 1:08:13 Renal - 1:08:59 Dermatological - 1:09:26 Relevant laboratory investigations - 1:11:27 Overview of refeeding syndrome - 1:12:30 Closing - 1:14:27   Resources: The National Eating Disorder Information Centre (NEDIC) provides information, resources, referrals and support to Canadians affected by eating disorders: https://nedic.ca. The National initiative for Eating Disorders (NIED) provides access to educational, informational, and other recovery-oriented resources related to eating disorder prevention and treatment: https://nied.ca. Body Brave provides accessible eating disorder treatment and support, as well as community training and education: https://bodybrave.ca.   References: American Psychiatric Association. Feeding and eating disorders. In Diagnostic and statistical manual of mental disorders. 5th ed. https://doi.org/10.1176/appi.books.9780890425596.dsm10 Gaudiani J. Sick Enough: A Guide to the Medical Complications of Eating Disorders. New York, NY: Routledge; 2019. Mehler PS, Andersen AE. Eating Disorders: A Guide to Medical Care and Complications. 3rd ed. Baltimore, MD: Johns Hopkins University Press; 2017. McClain Z, Peebles R. Body image and eating disorders among lesbian, gay, bisexual, and transgender youth. Pediatr Clin North Am. 2016 December; 63(6):1079–1090. https://doi.org/10.1016/j.pcl.2016.07.008 Mangweth-Matzek B, Hoek HW, Rupp CI, Lackner-Seifert K, Frey N, Whitworth AB, Pope HG, Kinzl J. Prevalence of eating disorders in middle-aged women. Int J Eat Disord. 2014 April; 47(3):320–324. https://doi.org/10.1002/eat.22232 Treasure J, Claudino AM, Zucker N. Eating disorders. Lancet. 2010;375(9714):583–593. https://doi.org/10.1016/S0140-6736(09)61748-7 Smink FR, van Hoeken D, Hoek HW. Epidemiology, course, and outcome of eating disorders. Curr Opin Psychiatry. 2013;26(6):543‐548. https://doi.org/10.1097/yco.0b013e328365a24f   CPA Note: The views expressed in this podcast do not necessarily reflect those of the Canadian Psychiatric Association. For more PsychEd, follow us on Twitter (@psychedpodcast), Facebook (PsychEd Podcast), and Instagram (@psyched.podcast). You can provide feedback by email at [email protected]. For more information, visit our website at psychedpodcast.org.

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