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Iatrogenic hyperadrenocorticism in a cat following a short therapeutic course of methylprednisolone acetate.

Abstract
Iatrogenic hyperadrenocorticism (or iatrogenic Cushing's syndrome) is an adrenal disorder that may result from long-term administration of glucocorticoids for therapeutic purposes, most often given to treat allergic or immune-mediated disorders. Prolonged treatment with synthetic glucocorticoids can suppress hypothalamic corticotrophin releasing hormone and plasma adrenocorticotrophic hormone (ACTH), thus causing a functional inactivity of the adrenal cortex. The result is a clinical syndrome of hyperadrenocorticism but with basal and ACTH-stimulated plasma cortisol concentrations that are consistent with spontaneous hypoadrenocorticism (Addison's disease). Whilst iatrogenic hyperadrenocorticism is relatively frequent in dogs, the diagnosis of iatrogenic hyperadrenocorticism in cats is very uncommon because this species has been found to be remarkably resistant to prolonged administration of glucocorticoids. To the author's knowledge, there are only two published clinical cases of feline iatrogenic Cushing's syndrome. This report describes a case of iatrogenic hyperadrenocorticism in a cat, and shows how normalisation of the adrenal function was achieved with supportive treatment and withdrawal of glucocorticoid administration.
AuthorsL Ferasin
JournalJournal of feline medicine and surgery (J Feline Med Surg) Vol. 3 Issue 2 Pg. 87-93 (Jun 2001) ISSN: 1098-612X [Print] England
PMID11876622 (Publication Type: Case Reports, Journal Article)
CopyrightCopyright 2001 European Society of Feline Medicine.
Chemical References
  • Anti-Inflammatory Agents
  • Methylprednisolone Acetate
  • Methylprednisolone
Topics
  • Adrenal Cortex Function Tests (veterinary)
  • Adrenal Insufficiency (chemically induced, diagnosis, diet therapy, veterinary)
  • Animals
  • Anti-Inflammatory Agents (adverse effects)
  • Cat Diseases (diagnosis, diet therapy)
  • Cats
  • Diagnosis, Differential
  • Female
  • Methylprednisolone (adverse effects, analogs & derivatives)
  • Methylprednisolone Acetate
  • Stomatitis (drug therapy)

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