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KMID : 1094020120290060455
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Journal of Veterinary Clinics
2012 Volume.29 No. 6 p.455 ~ p.459
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Clinical Evaluation of TightRope Cranial Cruciate Ligament Technique for Treatment of Cranial Cruciate Ligament Deficiency in Dogs
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Yoon Hun-Young
Jeong Soon-Wuk
Kim Kyung-hee
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Abstract
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Nine dogs presented to the Veterinary Medical Teaching Hospital of Konkuk University and Woosung Animal Hospital with a history of pelvic limb lameness. On physical examination, 9 dogs all showed a consistent weight bearing lameness and mild muscle atrophy. There was cranial drawer sign with pain in 9 dogs. Mediolateral radiographic projection revealed cranial subluxation of the tibial tuberosity in a tibial compression view. The right and left stifle joints were affected in 7 dogs and 2 dogs respectively. TightRope cranial cruciate ligament (CCL) technique for treatment of CCL deficiency was performed. Polyester and nylon were used to stabilize the stifle in 3 dogs and 6 dogs respectively. Suture sizes were 0.8 mm (n = 2), 0.9 mm (n = 4), 1.1 mm (n = 2), and 1.1 mm × 2 strands (n = 1) in diameter. Mean (± SD) surgical duration was 48.3 ± 8.5 minutes (range 35 to 60 minutes). Preoperative and postoperative mean (± SD) cranial drawer signs were 8.6 ± 1.6 mm (rage 7 to 12 mm) and 1.2 ± 1.0 mm (rage 0 to 3 mm) respectively. Immediate postoperative radiographs of the affected limb revealed no evidence of cranial subluxation of the tibial tuberosity in a tibial compression view of 9 dogs. Normal limb function was regained in 8 dogs within 8 weeks postoperatively. A consistent weight bearing lameness resolved in all dogs after TightRope CCL technique, but reoccurred in one dog (case No. 6) 2 weeks after surgery. Cranial subluxation of the tibial tuberosity was identified in a tibial compression test. During the second surgery, breakage of surgical button was identified and a tibial wedge osteotomy was performed. Based on surgical time, complication, stifle stability, and functional recovery, the present study indicated that TightRope CCL technique is effective treatment for the dogs with CCL deficiency.
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KEYWORD
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cranial cruciate ligament deficiency, TightRope technique, cranial drawer sign, dog
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