Correction of Flexural Deformity of the Metacarpophalangeal Joint in a Calf

Background: The congenital flexural deformity is common in cattle, often affecting the metacarpophalangeal joint of the thoracic limbs. The deformity may be mild, moderate, or severe, and the therapy depends on the limb's degree of flexion and the affected joint. In severe deformities, tenotomy...

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Veröffentlicht in:Acta scientiae veterinariae 2022-02, Vol.50
Hauptverfasser: Compagnoni, Isabelle Smaniotto, Gomes, Anny Raissa Carolini, Becker, Ana Paula Brenner Busch, Rossa, Ana Paula, Strugava, Lucimara, Brum, Juliana Sperotto, Moreno, Juan Carlos Duque, Dornbusch, Peterson Triches
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Zusammenfassung:Background: The congenital flexural deformity is common in cattle, often affecting the metacarpophalangeal joint of the thoracic limbs. The deformity may be mild, moderate, or severe, and the therapy depends on the limb's degree of flexion and the affected joint. In severe deformities, tenotomy of the flexor tendons and desmotomy of the suspensor ligament is recommended. However, this surgical technique may not be sufficient to promote limb extension, and other interventions may be necessary. Thus, the purpose of this report is to describe a technique to correct severe flexural deformities of the metacarpophalangeal joint in calves.Case: A three-month-old, female, Dutch-bred calf weighing 46 kg was referred for treatment of congenital flexural deformity. On attendance, the patient presented severe deformity in the right thoracic limb and mild in the left thoracic limb both at the height of the metacarpophalangeal joints. During palpation it was possible to notice that the flexor tendons were contracted in both limbs. Radiographic exams were performed to rule out the presence of other diseases, confirming the diagnosis of flexural deformity. The patient was referred to surgery to correct the anatomical anomaly. The animal was submitted to general anesthesia and placed in right lateral decubitus. In the left thoracic limb, an incision was made in the medial region of the metacarpal bone, the tissues were divulsioned until the superficial digital and deep digital flexor tendons were exposed; these structures were sectioned with a scalpel, and the limb was extended, returning to the standard anatomical position. In the right thoracic limb, the same procedure was performed, but during the limb extension test, we observed that the limb remained flexed, we then followed with a second incision and section of the deep digital flexor tendon in the palmar region at the middle phalanx of the lateral and medial digits, with this procedure, the limb extended further. Nevertheless, the procedure was not enough to solve the problem in the right thoracic limb, and the patient needed a second surgical intervention, in which we performed again tenotomy of the flexor tendons and desmotomy of the digital annular, crossed sesamoid, and interdigital phalangiosamoid ligaments, associated to the capsule opening of the capsule from the affected right metacarpophalangeal joint. After this surgery, the patient recovered to the normal anatomical position of the right thoracic limb. Th
ISSN:1679-9216
1679-9216
DOI:10.22456/1679-9216.118033