Surgical arthrodesis for treatment of chronic shoulder joint luxation in a Vietnamese potbellied pig
2020
Dubois, Marie-Soleil
CASE DESCRIPTION A 4-year-old 55.0-kg (121-lb) spayed female Vietnamese potbellied pig was examined for right forelimb lameness of 2 months’ duration that had not resolved following rest and treatment with meloxicam. CLINICAL FINDINGS The only abnormality identified during physical examination was non–weight-bearing lameness of the right forelimb. Radiographic and CT examinations revealed that the right humerus was displaced laterally and slightly cranial to the glenoid cavity of the scapula with moderate evidence of osteoarthritis. Chronic craniolateral luxation of the right humeral (shoulder) joint was diagnosed. TREATMENT AND OUTCOME Arthrodesis of the right shoulder joint was performed surgically by a lateral approach. The humeral head was replaced in the glenoid cavity. The joint was immobilized at a 115° angle with two 3.5-mm string-of-pearls orthopedic plates and a 4.5-mm cortical bone screw placed across the joint in lag fashion. The pig recovered from surgery without any complications. At 6 weeks and 5 months after surgery, the pig had the expected mechanical lameness of the right forelimb owing to immobilization of the shoulder joint and radiographic evidence of progressive arthrodesis of that joint. The pig had resumed its usual activities and had only mechanical lameness present 1 year after surgery. CLINICAL RELEVANCE This report described successful treatment of chronic shoulder joint luxation in an adult Vietnamese potbellied pig by surgical arthrodesis of the affected joint. The described procedure might also be useful for treatment of other debilitating conditions of the shoulder joint, such as severe osteoarthritis or intra-articular fractures, in pigs.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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