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KMID : 0361620000350060907
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Journal of the Korean Orthopaedic Association
2000 Volume.35 No. 6 p.907 ~ p.911
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ACL Reconstruction Using Freeze-dried Human Allograft
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Kim Yong-Hoon
Kim Sang-Rim
Nam Woo-Dong
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Abstract
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Purpose: To evaluate subjective satisfaction of patients and clinical results after arthroscopic ACL reconstruction using freeze-dried allograft.
Materials and Methods: From May 1994 to January 1997, arthroscopic ACL reconstruction with freeze-dried allograft were performed in 33 patients in ACL deficient knee. Minimum follow-up period is 3 years, and average follow-up is 4.6 years. We analyzed clinical results according to the Lysholm scores, physical examination and KT-2000 knee ligament arthrometer.
Results: The average preoperative Lysholm score was 60±11, and the average postoperative score was 89±6. Anterior drawer tests and Lachmann tests were positive in 24 cases preoperatively and in 11 cases postoperatively. Postoperative
instrumented laxity tests with KT-2000 knee ligament arthrometer (MEDMetric, San Diego, CA) were also performed postoperatively, and its average results was 3.7 mm±1.3 mm on 30lbs. There was no restriction or complaint in regular daily activities. But the postoperative ligament laxity was more prominent than that of using fresh-frozen allograft or autograft.
Conclusion: Despite the relatively good outcome of the patient s satisfaction, the use of freeze-dried allograft using the standard technique in arthroscopic ACL reconstruction can cause more laxity than that of fresh-frozen allograft
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