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Comparison of the blood supply to the articular-epiphyseal growth complex in horse vs. pony foals

Eli HS Hendrickson, Kristin Olstad, Ane Nødtvedt, Elin Pauwels, Luc Van Hoorebeke UGent and Nils I Dolvik (2015) EQUINE VETERINARY JOURNAL. 47(3). p.326-332
abstract
Reasons for performing study: To increase understanding of why the prevalence of clinical/radiographic osteochondrosis (OC) dissecans is high in horses and low in ponies. Objectives: To investigate whether the clinical difference in OC occurrence between horses and ponies could partly be explained by a difference in: 1) number of patent vessels in the epiphyseal growth cartilage; 2) duration of the presence of patent cartilage canals; or 3) growth cartilage thickness at predilection sites for OC. The hypothesis was that pony foals would have fewer cartilage canals, shorter duration of blood supply and thinner growth cartilage than horse foals. Study design: Observational, cross-sectional study. Methods: Nine Standardbred foals (horse group) 1–49 days old and 11 Norwegian Fjord foals (pony group) 1–62 days old were included. A total of 15 anatomical locations in the tarsocrural and metatarsophalangeal joints were examined by one or more of the following techniques: arterial perfusion; photography of cleared specimens; microcomputed tomography; radiography; and histology. The number of cartilage canals was counted. Cartilage thickness was measured. Duration of blood supply was assessed in histological sections. Results: Of the 3 common predilection sites for OC investigated, there were significantly fewer vessels (P = 0.003) and thinner cartilage (P = 0.002) at the distal lateral trochlear ridge of the talus in the pony group. There was no difference in the duration of presence of cartilage canals between the groups. Conclusion: The hypothesis that pony foals would have fewer cartilage canals and thinner growth cartilage than horse foals was confirmed for the lateral trochlear ridge of the talus. The current results may contribute towards an explanation for the low prevalence of OC at the distal lateral trochlear ridge of the talus in pony foals.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
OSTEOCHONDROSIS-DISSECANS, CARTILAGE CANALS, EARLY LESIONS, JOINT, PATHOGENESIS, THICKNESS, JUVENILE, TARSUS, osteochondrosis, tarsocrural joint, foal, metatarsophalangeal joint, cartilage canals, horse
journal title
EQUINE VETERINARY JOURNAL
Equine Vet. J.
volume
47
issue
3
pages
326 - 332
Web of Science type
Article
Web of Science id
000353237800015
JCR category
VETERINARY SCIENCES
JCR impact factor
2.475 (2015)
JCR rank
8/138 (2015)
JCR quartile
1 (2015)
ISSN
0425-1644
DOI
10.1111/evj.12278
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
7278254
handle
http://hdl.handle.net/1854/LU-7278254
date created
2016-06-22 13:18:54
date last changed
2016-12-19 15:40:30
@article{7278254,
  abstract     = {Reasons for performing study: To increase understanding of why the prevalence of clinical/radiographic osteochondrosis (OC) dissecans is high in horses and low in ponies.
Objectives: To investigate whether the clinical difference in OC occurrence between horses and ponies could partly be explained by a difference in: 1) number of patent vessels in the epiphyseal growth cartilage; 2) duration of the presence of patent cartilage canals; or 3) growth cartilage thickness at predilection sites for OC. The hypothesis was that pony foals would have fewer cartilage canals, shorter duration of blood supply and thinner growth cartilage than horse foals.
Study design: Observational, cross-sectional study.
Methods: Nine Standardbred foals (horse group) 1--49 days old and 11 Norwegian Fjord foals (pony group) 1--62 days old were included. A total of 15 anatomical locations in the tarsocrural and metatarsophalangeal joints were examined by one or more of the following techniques: arterial perfusion; photography of cleared specimens; microcomputed tomography; radiography; and histology. The number of cartilage canals was counted. Cartilage thickness was measured. Duration of blood supply was assessed in histological sections.
Results: Of the 3 common predilection sites for OC investigated, there were significantly fewer vessels (P = 0.003) and thinner cartilage (P = 0.002) at the distal lateral trochlear ridge of the talus in the pony group. There was no difference in the duration of presence of cartilage canals between the groups.
Conclusion: The hypothesis that pony foals would have fewer cartilage canals and thinner growth cartilage than horse foals was confirmed for the lateral trochlear ridge of the talus. The current results may contribute towards an explanation for the low prevalence of OC at the distal lateral trochlear ridge of the talus in pony foals.},
  author       = {Hendrickson, Eli HS and Olstad, Kristin and N{\o}dtvedt, Ane and Pauwels, Elin and Van Hoorebeke, Luc and Dolvik, Nils I},
  issn         = {0425-1644},
  journal      = {EQUINE VETERINARY JOURNAL},
  keyword      = {OSTEOCHONDROSIS-DISSECANS,CARTILAGE CANALS,EARLY LESIONS,JOINT,PATHOGENESIS,THICKNESS,JUVENILE,TARSUS,osteochondrosis,tarsocrural joint,foal,metatarsophalangeal joint,cartilage canals,horse},
  language     = {eng},
  number       = {3},
  pages        = {326--332},
  title        = {Comparison of the blood supply to the articular-epiphyseal growth complex in horse vs. pony foals},
  url          = {http://dx.doi.org/10.1111/evj.12278},
  volume       = {47},
  year         = {2015},
}

Chicago
Hendrickson, Eli HS, Kristin Olstad, Ane Nødtvedt, Elin Pauwels, Luc Van Hoorebeke, and Nils I Dolvik. 2015. “Comparison of the Blood Supply to the Articular-epiphyseal Growth Complex in Horse Vs. Pony Foals.” Equine Veterinary Journal 47 (3): 326–332.
APA
Hendrickson, E. H., Olstad, K., Nødtvedt, A., Pauwels, E., Van Hoorebeke, L., & Dolvik, N. I. (2015). Comparison of the blood supply to the articular-epiphyseal growth complex in horse vs. pony foals. EQUINE VETERINARY JOURNAL, 47(3), 326–332.
Vancouver
1.
Hendrickson EH, Olstad K, Nødtvedt A, Pauwels E, Van Hoorebeke L, Dolvik NI. Comparison of the blood supply to the articular-epiphyseal growth complex in horse vs. pony foals. EQUINE VETERINARY JOURNAL. 2015;47(3):326–32.
MLA
Hendrickson, Eli HS, Kristin Olstad, Ane Nødtvedt, et al. “Comparison of the Blood Supply to the Articular-epiphyseal Growth Complex in Horse Vs. Pony Foals.” EQUINE VETERINARY JOURNAL 47.3 (2015): 326–332. Print.