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후방십자인대 절제형과 대치형 인공 슬관절의 단기 추시 결과
김진일 ( Jin Il Kim ),오광준 ( Kwang Jun Oh ),전승협 ( Seung Hyub Jeon ),최혁우 ( Hyuk Woo Choi ) 대한슬관절학회 2011 대한슬관절학회지 Vol.23 No.2
Purpose: To compare clinical and radiologic results after total knee arthroplasty (TKA) with posterior cruciate sacrificing (PCS) and posterior cruciate substitution (PS). Materials and Methods: Of 66 knees in 53 patients with degenerative arthritis, we completed both practical and radiological evaluations for 27 patients with PCS TKA (30 knees) and 31 patients with PS TKA (36 knees). Results: The knee score improved from 33 to 81.9 for PCS TKA and from 35 to 86.6 for PS TKA. Preoperative flexion was 104.5˚ in the PCS TKA group and 104.7˚ in the PS TKA group. These scores significantly improved to 113.9˚ and 104.7˚ respectively (p<0.05 for each). However, there was no significant difference between the two groups when comparing postoperative results and improvements (p>0.05). On radiological evaluation, the α angle was found to be 98.9˚, the β angle 89.9˚, the γ angle 5.0˚, and the δ angle 39.2˚ for PCS TKA. Also, the α angle was 95.6˚, β angle 89.0˚, γ angle 9.0˚, and δ angle 88.4˚ for PS TKA (p>0.05). Loosening was not encountered in either type. Postoperative complications were few; there was 1 knee (1.5%) with a polyethylene insert spin-out for the PCS TKA group and 1 knee (1.5%) with a periprosthetic fracture for the PS TKA group. Conclusion: On both clinical and radiological evaluations, PCS TKA and PS TKA demonstrated satisfactory results out to 4.5 years of follow up, which also indicated a lack of any significant difference between these two types.
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