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Tierarztliche Praxis. Ausgabe G, Grosstiere/Nutztiere2023; 51(5); 327-332; doi: 10.1055/a-2180-2981

Total removal of the fourth metacarpal bone in an Icelandic horse.

Abstract: Fractures of the splint bones are the most common fractures in horses. Various treatment options for splint bone fractures (MC/MT II and IV), including conservative and surgical management, have been described. This report describes an acute splint bone fracture due to external trauma in a 17-year-old Icelandic mare. The fracture was diagnosed as an open multifragment fracture of the proximal third of the fourth metacarpal bone (MCIV) in the right front limb. Surgery was performed with the horse under general anaesthesia. The distal fragments were removed, and the distal part of the proximal remnant splint bone was cut with an osteotome. During the postoperative period, a routine x-ray-control two days after surgery showed a dislocated fracture of the remaining proximal part of the fourth metacarpal bone. In a second surgery, the proximal part of MCIV was entirely removed. After a reconvalescence period of 5 month, the horse reached her previous level of performance as a leisure horse. The mare is still free of lameness 6 years after the incident. Griffelbeinfrakturen gehören zu den häufigsten Frakturen des Pferdes. In der Literatur sind verschiedenste Behandlungsmöglichkeiten, sowohl konservativ als auch chirurgisch, beschrieben. Der vorliegende Bericht beschreibt eine akute Griffelbeinfraktur durch ein externes Trauma bei einer 17-jährigen Isländerstute. Es handelte sich um eine offene Mehrfragmentfraktur im proximalen Drittel des Os metacarpale quartum (MCIV) der rechten Vordergliedmaße. In Allgemeinanästhesie wurden alle Fragmente distal der Fraktur entfernt. Das distale Ende des verbliebenen proximalen Griffelbeinanteils wurde mit Hilfe eines Osteotoms glatt abgetrennt. Das postoperative Routineröntgen, welches 2 Tage später erfolgte, zeigte eine stark dislozierte Fraktur des verbleibenden Griffelbeinanteils. Daraus resultierte die Indikation für einen erneuten chirurgischen Eingriff. Im Rahmen der zweiten Operation wurde das komplette Os metacarpale quartum (MCIV) entfernt. Nach einer 5-monatigen Rekonvaleszenzphase erreichte die Stute ihr vorheriges Leistungsniveau als Freizeitpferd wieder. Im Rahmen eines Klinikbesuchs 6 Jahre nach erfolgter Operation wurde die Stute orthopädisch untersucht und präsentierte sich lahmfrei.
Publication Date: 2023-11-13 PubMed ID: 37956675DOI: 10.1055/a-2180-2981Google Scholar: Lookup
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  • Journal Article

Summary

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This study is about an Icelandic mare that had a severe splint bone fracture treated by a novel surgery, which removed the entire fractured metacarpal bone. The horse returned to its regular activities after a 5-month convalescence period, and it still remained free of lameness six years later.

Objective of the Study

  • The study aimed to explore a new approach for managing a complex splint bone fracture in horses, particularly an acute open multifragment fracture of the fourth metacarpal bone (MCIV).

Type and Subject of the Study

  • This is a case study of a 17-year-old Icelandic mare that suffered an external trauma leading to an open multifragment fracture in the proximal section of the MCIV in its right front limb.

Procedure Used in the Study

  • The fracture was initially treated using surgery under general anesthesia. It involved removing the distal fragments and cutting the distal end of the remaining proximal splint bone with osteotomy.
  • An X-ray conducted after two days showed a dislocation in the remaining splint bone fragment, which led to the decision that the remaining fragment had to be surgically removed in a second operation.

Result of the Procedure

  • The horse went through a convalescence period of five months and was then able to perform at its pre-accident level.
  • During a clinic visit six years post-operation, the horse was found to be free of lameness, indicating a successful long-term outcome of the surgical intervention.

Cite This Article

APA
Vidović A, Kuhn S. (2023). Total removal of the fourth metacarpal bone in an Icelandic horse. Tierarztl Prax Ausg G Grosstiere Nutztiere, 51(5), 327-332. https://doi.org/10.1055/a-2180-2981

Publication

ISSN: 2567-5834
NlmUniqueID: 9715779
Country: Germany
Language: English
Volume: 51
Issue: 5
Pages: 327-332

Researcher Affiliations

Vidović, Aleksandar
  • Vidocq Equine Surgery Consulting GmbH, Kasel.
Kuhn, Sabrina
  • Tierklinik Maischeiderland, Großmaischeid.

MeSH Terms

  • Horses
  • Animals
  • Female
  • Metacarpal Bones / diagnostic imaging
  • Metacarpal Bones / surgery
  • Metacarpal Bones / injuries
  • Iceland
  • Fractures, Bone / diagnostic imaging
  • Fractures, Bone / surgery
  • Fractures, Bone / veterinary
  • Radiography
  • Horse Diseases / diagnostic imaging
  • Horse Diseases / surgery

Conflict of Interest Statement

The authors declare that the manuscript was written in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.