Carpus

Ruggles, Alan J.

doi:10.1016/b978-0-323-48420-6.00095-8

Cited by 5 publications

(9 citation statements)

References 42 publications

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“…Accessory carpal bone (ACB) fractures can occur in any horse or breed but are most common in horses that race over fences (Dyson, 1990; Ruggles, 2019). They are often the consequence of ACB compression between the third metacarpal bone and the radius when the horse falls with the carpus in flexion.…”

Section: Introductionmentioning

confidence: 99%

“…They are often the consequence of ACB compression between the third metacarpal bone and the radius when the horse falls with the carpus in flexion. They can also be caused by direct external trauma or by excessive tension forces exerted by the palmar ligamentous attachment during carpal loading, causing a so‐called bowstring effect or leading to avulsion fractures (Barr et al., 1990; Mackay‐Smith et al., 1972; McIlwraith, 2020; Ross, 2011; Ruggles, 2019). Most fractures are complete and run in a dorsal plane, palmar to the groove for the tendon of the ulnaris lateralis muscle (Barr et al., 1990; Minshall & Wright, 2014).…”

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…Conservative treatment of dorsal plane fractures of the ACB, consisting of rest and external coaptation, may return some horses to athletic soundness (Barr et al., 1990; Dyson, 1990) and is therefore recommended by some authors (Barr et al., 1990; Dyson, 1990; Easley & Schneider, 1981; McIlwraith, 2020; Rijkenhuizen & Németh, 1994; Ruggles, 2019). However, healing is usually prolonged and does not result in complete bone union (Barr et al., 1990; Dyson, 1990; McIlwraith, 2020; Ruggles, 2019). Displacement of the fracture fragments can cause secondary damage to the carpal sheath and soft tissue structures contained within the sheath, such as tearing of the deep digital flexor tendon (Minshall & Wright, 2014) and carpal tunnel syndrome (Radue, 1981) if dorsal plane fractures of the ACB are treated conservatively.…”

Section: Introductionmentioning

confidence: 99%

“…As surgical treatment of dorsal plane ACB fractures has the potential for faster return to soundness (Easley & Schneider, 1981) and healing with minimal callus formation, it is generally the recommended treatment for athletic horses (Ruggles, 2019). Comminution and displacement of fracture fragments may limit surgical treatment options to excision of articular fragments involving the antebrachiocarpal joint (Munroe & Cauvin, 1997) and/or to carpal sheath tenoscopy for the debridement of torn tendinous tissues and the fracture gap by removing small fragments and smoothing protuberant fracture edges (Minshall & Wright, 2014).…”

Section: Introductionmentioning

confidence: 99%

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Accessory carpal bone fracture repair by means of computer‐assisted orthopaedic surgery in a Warmblood stallion

Preux

Vekens

Racine

et al. 2021

Equine Veterinary Education

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Summary A 10‐year‐old, 595 kg Irish Warmblood stallion used for showjumping was presented with a marked right forelimb lameness at walk. The horse sustained a dorsal plane fracture of the accessory carpal bone (ACB) when falling with both carpi in flexion. The fracture was repaired by means of computer‐assisted orthopaedic surgery (CAOS) using two cortex screws placed in lag fashion. In a second CAOS procedure, a dorsoproximal fragment of the ACB was removed after further proximal displacement had become apparent. Both surgical procedures were facilitated by the application of a fibreglass cast to immobilise the carpus in extension and to allow for the placement of the patient tracker distant from the surgical site. One year after surgery, the horse had returned to full athletic activity. Neither the antebrachiocarpal joint nor the carpal sheath were distended. Control radiographs and standing cone beam computed tomography showed complete osseous union of the fracture and osteophyte formation on the caudal aspect of the radius and the proximal border of the ACB.

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Section: Introductionmentioning

confidence: 99%