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Avoidant/Restrictive Food Intake Disorder: Comorbidities and Longitudinal Course

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Eating Disorders

Abstract

Avoidant/restrictive food intake disorder (ARFID) was introduced in the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition. ARFID is characterized by avoidant/restrictive eating and one or more of four associated consequences: (a) weight loss or failure to achieve expected weight or height gain; (b) nutritional deficiencies; (c) dependence on enteral feeding or oral nutritional supplements; and (d) psychosocial impairment. As ARFID is a relatively new diagnosis, information relevant to its course and outcomes remains limited. The objective of this chapter is to provide an overview of ARFID and to summarize the medical, behavioral, and treatment outcomes of this disorder. We begin by briefly providing an overview of the naturalistic course of picky eating. Next, we present information regarding the medical outcomes of ARFID. Finally, we end by discussing behavioral outcomes, including treatment outcomes and the emergence of other eating disorder symptoms among individuals with ARFID. Continued research is necessary to examine mechanisms of the disorder that can be addressed to improve both physical and psychological outcomes, and aid in understanding its long-term course.

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Author notes

  1. Authors P. Evelyna Kambanis and Kaitlin N. Rozzell-Voss have equally contributed to this chapter.

Authors and Affiliations

  1. Department of Psychology, University of Wyoming, Laramie, WY, USA

    P. Evelyna Kambanis

  2. Eating Disorders Clinical and Research Program, Massachusetts General Hospital, Boston, MA, USA

    P. Evelyna Kambanis, Jennifer J. Thomas & Kamryn T. Eddy

  3. Department of Psychiatry, Harvard Medical School, Boston, MA, USA

    P. Evelyna Kambanis

  4. Department of Psychology, University of Hawai’i at Manoa, Honolulu, HI, USA

    Kaitlin N. Rozzell-Voss

  5. Neuroendocrine Unit, Department of Medicine, Massachusetts General Hospital, Boston, MA, USA

    Elizabeth A. Lawson

  6. Department of Medicine, Harvard Medical School, Boston, MA, USA

    Elizabeth A. Lawson, Jennifer J. Thomas & Kamryn T. Eddy

Authors
  1. P. Evelyna Kambanis
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  2. Kaitlin N. Rozzell-Voss
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  3. Elizabeth A. Lawson
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  4. Jennifer J. Thomas
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  5. Kamryn T. Eddy
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Corresponding authors

Correspondence to Jennifer J. Thomas or Kamryn T. Eddy .

Editor information

Editors and Affiliations

  1. University College London, London, UK

    Paul Robinson

  2. School of Psychology, Flinders University, Adelaide, SA, Australia

    Tracey Wade

  3. Klinik für Psychiatrie, Psychosomatik, Uniklinik der RWTH Aachen, Aachen, Nordrhein-Westfalen, Germany

    Beate Herpertz-Dahlmann

  4. Department of Psychiatry-IDIBELL, University of Barcelona, Barcelona, Spain

    Fernando Fernandez-Aranda

  5. Dept of Psychological Med IoPPN, Kings College London, London, UK

    Janet Treasure

  6. School of Medicine and Health Sciences, University of North Dakota, Fargo, USA

    Steve Wonderlich

Section Editor information

  1. School of Psychology, Flinders University, Adelaide, SA, Australia

    Tracey D. Wade

  2. Western Sydney University, Penrith South, NSW, Australia

    Phillipa Hay

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Kambanis, P.E., Rozzell-Voss, K.N., Lawson, E.A., Thomas, J.J., Eddy, K.T. (2023). Avoidant/Restrictive Food Intake Disorder: Comorbidities and Longitudinal Course. In: Robinson, P., Wade, T., Herpertz-Dahlmann, B., Fernandez-Aranda, F., Treasure, J., Wonderlich, S. (eds) Eating Disorders. Springer, Cham. https://doi.org/10.1007/978-3-030-97416-9_91-1

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  • DOI: https://doi.org/10.1007/978-3-030-97416-9_91-1

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-030-97416-9

  • Online ISBN: 978-3-030-97416-9

  • eBook Packages: Springer Reference MedicineReference Module Medicine

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