Carpus

Authors: Clarke SP, Ferguson JF, Miller A.
Journal: Vet Surg

OBJECTIVE: To describe the use of a 3.5/2.7 mm CastLess Plate (CLP) for pancarpal arthrodesis (PCA) in dogs. STUDY DESIGN: Case series. ANIMALS: Dogs with traumatic/degenerative carpal disease (n=11). METHODS: Records (September 2006-July 2007) of dogs that had PCA using a 3.5/2.7 mm CLP were reviewed to determine intra- and postoperative complications and use of external coaptation. Follow-up (> or =12 months) was obtained by telephone interview of owners.

Authors: Diaz-Bertrana C, Darnaculleta F, Durall I, Franch J, Puchol JL.
Journal: VCOT

Fifty-two carpal panarthrodeses (CP) were carried out in 44 dogs (eight bilateral), in a multicentre study using a single (n = 47) or double (n = 5) stepped hybrid CP plate. Of these 44 cases, 39 were between 20-55 kg in bodyweight , 26 were males , and the carpometacarpal was the most common joint involved. Falling and other impact trauma were the most common aetiology.

Authors: Diaz-Bertrana C, Darnaculleta F, Durall I, Franch J, Puchol JL.
Journal: VCOT

In the 1990s, the AO (Arbeitsgemeinschaft für Osteosynthesefragen) Hand Study Group developed several anatomically bent plates (standard and short) for wrist panarthrodesis in humans. However, only straight plates have been used for carpal panarthrodesis (CP) in animals to date. The primary purpose of this study was to determine if precontoured plates are more anatomical for CP in dogs.

Authors: Shetye SS, Malhotra K, Ryan SD, Puttlitz CM.
Journal: AJVR

Objective-To evaluate the mechanical properties of canine carpal ligaments for use in a finite element model of the canine antebrachium. Sample Population-26 forelimbs obtained from cadavers of 13 dogs euthanized for reasons unrelated to this study. Procedures-6 ligaments (medial collateral, lateral collateral, palmar ulnocarpal, palmar radiocarpal, accessorometacarpal-V, and accessorometacarpal-IV) were evaluated. Quasistatic tensile tests were performed on all specimens (n = 8 specimens/ligament) by use of a servohydraulic materials testing system in conjunction with a 6-df load cell.

Authors: Shales CJ, Langley-Hobbs S.
Journal: J Feline Med Surg

An 8-year-old domestic shorthair was admitted with non-weight bearing left forelimb lameness. Examination and radiographs revealed dorso-medial ante-brachiocarpal luxation with palmar luxation of the distal radio-ulnar joint. Primary repair was performed and stabilised using an arthrodesis wire and type Ia Kirschner-Ehmer (K-E) external skeletal fixator (ESF). The cat regained excellent pain-free limb function by 14 weeks with only minor reduction in range of movement. This is the first case report of a cat with distal radio-ulnar joint luxation associated with ante-brachiocarpal luxation.

Authors: Arnott JL, Bailey R, Shields A, Bennett D.
Journal: VCOT

Several techniques have been described for canine pancarpal arthrodesis (PCA) with dorsal plating becoming the most accepted method for ease of placement despite the proposed biomechanical disadvantages. The aim of this study was to compare the biomechanical effects of the addition of crossed K-wires to a standard 2.7/3.5 mm hybrid PCA plate. A 2.7/3.5 mm hybrid PCA plate, alone and combined with crossed K-wires were tested. Six pairs of cadaver forelimbs were collected from medium-sized dogs with an average weight of 24 kg by elbow disarticulation.

Authors: S. Palierne, C. Delbeke, E. Asimus, P. Meynaud-Collard, D. Mathon, A. Zahra, A. Autefage
Journal: VCOT

Luxation of the radial carpal bone is an uncommon injury in the dog and cat. Previous clinical cases have reported palmaro-medial luxation with injury to the short radial collateral ligament. In this study a case of dorsomedial luxation of the radial carpal bone in a 10-yearold female Gordon Setter is described. A closed reduction of the luxation was performed and a conservative treatment was carried out. Thirteen months after the reduction, the dog had a satisfactory limb function, despite the presence of degenerative joint disease of the carpus.