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KMID : 1094020230400030215
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Journal of Veterinary Clinics
2023 Volume.40 No. 3 p.215 ~ p.220
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Surgical Correction of Bilateral Gastrocnemius Muscle Rupture and Its Prognosis in a Korean Native Calf
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Jeong Gyu-Ho
Ro Young-Hye
Min Kyung-Hyun
Choi Woo-Jae
Yoon Il-Su
Noh Hyo-Eun
Kim Dan-Il
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Abstract
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A 3-month-old Korean native cattle (Hanwoo) calf with difficulty taking normal posture and an inability to rise was referred for a definite diagnosis and active treatment, including surgery. The calf had a history of an accident in which both hind limbs were trapped in a barn structure. After admission, a "rabbit leg" posture was observed, a typical sign of gastrocnemius muscle rupture, and both digits were knuckled downward like they were trying to grip the ground. This was considered to be a result of the superficial digital flexor not rupturing but only the gastrocnemius muscle rupturing. Physical examination revealed laceration of the metatarsus and firmness behind both stifle joints which were presumed to be the sites of gastrocnemius muscle rupture. Skeletal abnormalities, including fractures, were ruled out by radiography. Based on these findings, the patient was diagnosed with bilateral gastrocnemius muscle rupture, and surgery was performed to reconnect the head of the ruptured muscle. Because the rupture occurred perpendicular to the muscle direction, the locking loop technique, a method of suturing severed tendons, was used to reduce the tension. After surgery, the cast was used to prevent further injuries and promote voluntary rehabilitation. Follow-up was completed, with the calf showing normal posture and gait 112 days after surgery. This is the first case report in the Republic of Korea describing the successful diagnosis and treatment of bilateral gastrocnemius muscle rupture in a calf.
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KEYWORD
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gastrocnemius muscle rupture, Korean native cattle, locking loop technique, surgery
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