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The Veterinary clinics of North America. Equine practice2021; 37(3); 619-638; doi: 10.1016/j.cveq.2021.08.001

Endocrinopathic Laminitis.

Abstract: Endocrinopathic laminitis (EL) primarily occurs because of insulin dysregulation (ID) mediated through downstream effects of insulin on IGF-1R in lamellar tissues. There is likely contributing vascular and metabolic dysfunction within the lamellae, but EL is relatively non-inflammatory. EL is associated with lamellar stretching, proliferation, and failure, ultimately causing failure of the suspensory apparatus of the distal phalanx. Proper education regarding mitigating risk factors makes this a largely preventable cause of laminitis. Annual hoof evaluation plus screening geriatric horses for pituitary pars intermedia dysfunction and ID, and younger horses for ID, can significantly decrease the incidence of this devastating condition.
Publication Date: 2021-10-19 PubMed ID: 34674908DOI: 10.1016/j.cveq.2021.08.001Google Scholar: Lookup
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Summary

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The research explains that the majority of Endocrinopathic laminitis occurrences in horses are due to improper regulation of insulin which then affects IGF-1R in lamellar tissues. This condition isn’t generally inflammatory but is tied to vascular and metabolic dysfunction within the lamellae. The research suggests that education on reducing risk factors, annual hoof assessment, and regular screenings for horse can substantially diminish the occurrence of this severely damaging condition.

Objective of the Research

  • The ultimate goal of this study is to understand the main causes of Endocrinopathic laminitis (EL) and propose preventative measures that can significantly decrease the incidence of this devastating condition in horses.

Findings of the Research

  • EL primarily arises as a consequence of insulin dysregulation (ID) which influences IGF-1R in lamellar tissues. These lamellar tissues are crucial components of horses’ hoofs.
  • The study identifies that vascular and metabolic dysfunction within the lamellae are other contributing factors to the disease. However, it highlights that EL is largely non-inflammatory unlike many other health conditions in horses.
  • The research finds a correlation between EL and lamellar stretching, growth, and failure, causing eventual failure of the suspensory apparatus of the distal phalanx (a bone in the hoof).

Recommendations from the Research

  • The research posits that EL can be largely preventable if appropriate understanding and interventions regarding its risk factors are implemented, thus emphasizing the importance of proper education.
  • Proactive measures such as annual hoof evaluation should be taken in order to diagnose any early signs of laminitis.
  • It further recommends regular screenings for older horses to check for pituitary pars intermedia dysfunction and insulin dysregulation, and for younger horses to check insulin dysregulation as potential risk factors for Endocrinopathic laminitis.

Cite This Article

APA
Grenager NS. (2021). Endocrinopathic Laminitis. Vet Clin North Am Equine Pract, 37(3), 619-638. https://doi.org/10.1016/j.cveq.2021.08.001

Publication

ISSN: 1558-4224
NlmUniqueID: 8511904
Country: United States
Language: English
Volume: 37
Issue: 3
Pages: 619-638
PII: S0749-0739(21)00053-5

Researcher Affiliations

Grenager, Nora S
  • Steinbeck Peninsula Equine Clinics, 100 Ansel Lane, Menlo Park, CA 94028, USA. Electronic address: ngrenagervmd@gmail.com.

MeSH Terms

  • Animals
  • Endocrine System Diseases / veterinary
  • Foot Diseases / veterinary
  • Hoof and Claw
  • Horse Diseases / etiology
  • Horses
  • Inflammation / veterinary
  • Pituitary Diseases / veterinary

Conflict of Interest Statement

Disclosure The author has nothing to disclose.

Citations

This article has been cited 1 times.
  1. Hallman I, Karikoski N, Kareskoski M. The effects of obesity and insulin dysregulation on mare reproduction, pregnancy, and foal health: a review.. Front Vet Sci 2023;10:1180622.
    doi: 10.3389/fvets.2023.1180622pubmed: 37152686google scholar: lookup