4.4 Review

The medical complications associated with purging

Journal

INTERNATIONAL JOURNAL OF EATING DISORDERS
Volume 49, Issue 3, Pages 249-259

Publisher

WILEY
DOI: 10.1002/eat.22504

Keywords

purging; self-induced vomiting; laxative; diuretic; medical complications

Funding

  1. National Institute of Mental Health [F31 MH105082, T32 MH93311]

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ObjectivePurging behaviors, including self-induced vomiting, laxative abuse, and diuretic abuse, are present across many of the eating disorders. Here we review the major medical complications of these behaviors. MethodAlthough we identified over 100 scholarly articles describing medical complications associated with purging, most papers involved case studies or small, uncontrolled samples. Given the limited evidence base, we conducted a qualitative (rather than systematic) review to identify medical complications that have been attributed to purging behaviors. ResultsMedical conditions affecting the teeth, esophagus, gastrointestinal system, kidneys, skin, cardiovascular system, and musculoskeletal system were identified, with self-induced vomiting causing the most medical complications. DiscussionPurging behavior can be associated with severe medical complications across all body systems. Mental health professionals should refer patients with purging behaviors to medical providers for screening and treatment as needed. The medical work-up for individuals with eating disorders should include a comprehensive metabolic panel, complete blood count, and a full body exam including the teeth to prevent severe complications. Medical providers should screen patients for purging behaviors and associated medical complications, even in the absence of an eating disorder diagnosis, to increase the detection of eating disorders. Recognizing the link between purging and medical complications can aid in identifying potential eating disorders, particularly those that often elude detection such as purging disorder. Resumen ObjetivoLos comportamientos purgativos, incluyendo el vomito autoinducido, abuso de laxantes, y abuso de diureticos, estan presentes en muchos de los trastornos de la conducta alimentaria. En este articulo nosotros revisamos las principales complicaciones medicas de estos comportamientos. MetodoAunque hemos identificado mas de 100 articulos academicos describiendo las complicaciones medicas asociadas con la purgacion, la mayoria de los articulos involucran estudios de caso o muestras pequenas y sin controles. Dada la limitada evidencia, realizamos una revision cualitativa (en lugar de sistematica) para identificar las complicaciones medicas que se han atribuido a las conductas purgativas. ResultadosFueron identificadas las condiciones medicas que afectan los dientes, esofago, sistema gastrointestinal, rinones, piel, sistema cardiovascular, y sistema musculoesqueletico, siendo el vomito autoinducido el que causa las mayores complicaciones medicas. ConclusionesLos comportamientos purgativos pueden ser asociados con complicaciones medicas severas en todos los sistemas del cuerpo. Los profesionales de la salud mental deben referir los pacientes con comportamientos purgativos a los medicos para la deteccion y tratamiento segun sea necesario. El estudio diagnostico medico para los individuos con trastorno de la conducta alimentaria debe incluir un panel metabolico exhaustivo, biometria hematica completa, y un examen fisico completo incluyendo los dientes para prevenir complicaciones severas. Los proveedores de servicios medicos deben evaluar a los pacientes para comportamientos purgativos y las complicaciones medicas asociadas, aun en ausencia de un diagnostico de trastorno de la conducta alimentaria, para incrementar la deteccion de trastornos alimentarios. Reconocer el vinculo entre las purgaciones y las complicaciones medicas puede ayudar a la identificacion de trastornos de la conducta alimentaria potenciales, particularmente aquellos que a menudo escapan a la deteccion como el trastorno por purgas. (c) 2016 Wiley Periodicals, Inc. (Int J Eat Disord 2016; 49:249-259).

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