ISSN 2398-2950      

Skin: disease - malnutrition

ffelis

Introduction

  • Rarely seen in clinical practice.
  • Cause: inadequate intake of protein/calories /essential fatty acids or associated with chronic disease states.
  • Signs: epidermal hyperpigmentation, loss of hair pigment, poor coat, patchy alopecia and scaling   Essential fatty acid deficiency 01  Essential fatty acid deficiency 02 .
  • Diagnosis: history, signs and skin biopsy.
  • Treatment: correction of dietary deficiencies or management of underlying systemic disease.
  • See alsoSpecific requirements in feline diet  Feline diet: specific requirements  and Fat responsive dermatoses  Skin: fat responsive dermatosis.

Pathogenesis

Etiology

  • Long term protein/calorie /essential fatty acids deficiency due to maintenance on inadequate diet or due to chronic disease (eg maldigestion, malabsorption, renal disease).
  • Short term deficiency seen if subject to suddenly increased maintenance requirements (eg peak lactation) or acute severe systemic disease.
  • Cat locked in shed/garage and not able to find food.

Pathophysiology

  • Long term deficiency   →   hair cycle enters telogen   →   normal coat gradually replaced by thin, poor coat   →   alopecia (telogen defluxion Telogen defluxion) + scaling.
  • Short term deficiency   →   cessation of anagen   →   weakness of hair shaft   →   breakage of shaft   →   uneven, rough dry coat (anagen defluxion Anagen defluxion).

Diagnosis

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Treatment

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Prevention

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Outcomes

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Scarlett J M & Donoghue S (1998) Associations between body condition and disease in cats. JAVMA 212 (11), 1725-1731 PubMed.

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