Dynamic intramedullary crosspinning technique for the treatment of distal femoral metaphyseal fracture in a free‐ranging jaguarundi (Herpailurus yagouaroundi)

IF 0.3 Q4 VETERINARY SCIENCES

Veterinary Record Case Reports Pub Date : 2024-05-02 DOI:10.1002/vrc2.879

Guilherme Rech Cassanego, Sheila Canevese Rahal, Marcelo Meller Alievi, Charline Vanessa Vaccarin, Gabriella De Nardin Peixoto

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Abstract

An approximately 3‐month‐old female free‐ranging jaguarundi (Herpailurus yagouaroundi) was admitted for evaluation of swelling near the right stifle and inability to use the right hindlimb. Radiographic examination revealed a closed, short oblique fracture of the right distal femoral metaphysis, and the bone cortex appeared thin. Because of the poor body condition, the surgical procedure was performed 6 days after admission. The fracture was stabilised using a dynamic intramedullary crosspinning technique. Two 1.5 mm diameter Kirschner (K) wires were introduced at an approximately 20° angle to the sagittal plane of the femur. Radiographic evaluation 3 months after surgery revealed an open distal physis, fracture healing in the remodelling phase and K‐wires engulfed by the bone, which made removal impossible. At the 6‐month follow‐up, a length discrepancy of 0.8 cm in the right femur compared to the left femur was noted. Despite this complication, the locomotion pattern was considered normal according to visual gait analysis.

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用动态髓内交叉针技术治疗散养美洲豹（Herpailurus yagouaroundi）股骨远端骨骺骨折

一只约 3 个月大的雌性自由放养美洲豹（Herpailurus yagouaroundi）因右跗骨附近肿胀和无法使用右后肢而入院。影像学检查显示，它的右股骨远端干骺端有一处闭合性短斜骨折，骨皮质较薄。由于身体状况不佳，手术在入院 6 天后进行。采用动态髓内交叉钉技术稳定了骨折。两根直径为1.5毫米的Kirschner（K）导线与股骨矢状面成约20°角。术后3个月的X光片评估显示，患者的远端骨骺呈开放状态，骨折愈合处于重塑阶段，K线被骨质吞噬，无法取出。在 6 个月的随访中，发现右侧股骨的长度与左侧股骨相比有 0.8 厘米的差距。尽管出现了这种并发症，但根据视觉步态分析，患者的运动模式被认为是正常的。

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来源期刊

Veterinary Record Case Reports Veterinary-Veterinary (all)

CiteScore

0.50

自引率

33.30%

发文量

266

期刊介绍： Vet Record Case Reports is an online resource that publishes articles in all fields of veterinary medicine and surgery so that veterinary professionals, researchers and others can easily find important information on both common and rare conditions. Articles may be about a single animal, herd, flock or other group of animals managed together. Common cases that present a diagnostic, ethical or management challenge, or that highlight aspects of mechanisms of injury, pharmacology or histopathology are deemed of particular educational value. All articles are peer reviewed and copy edited before publication.