J Korean Knee Soc.  2003 Dec;15(2):102-110.

Second-look Arthroscopic Findings after Anterior Cruciate Ligament Reconstruction: Comparison between Achilles allograft and Bone-Patellar tendon-Bone autograft

  • 1Department of Orthopedic Surgery, National Police Hospital, National Boramae Hospital, Seoul, Korea. jsu-os@hanmail.net


PURPOSE: The purpose of this study was to compare the arthroscopic findings between autograft group and allograft group minimal 1 year after anterior cruciate ligament reconstruction. MATERIALS AND METHODS: From Jul. 1999 to Feb. 2002, we performed second look arthroscopy to 55 patients(60 knees), who had already received anterior cruciate ligament reconstruction minimal 1 years ago(average 16 months) in our hospital. All patients visited our hospital just for removal of tibial hardware. Among 60 knees, 24 cases had operated using bone-patellar tendon-bone autograft(group 1), 36 cases using Achilles tendon allograft(group 2). We evaluated the clinical results by instability, subjective complaint and level of activity. Also we analyzed the second look arthroscopic findings by graft revascularization, fissuring, laxity and intraarticular general status. RESULTS: There was no differene in clinical results except 2 patients who complained mild anterior knee pain in group 1. At second look arthroscopy, well vascularized cases were 13 cases(54%) in group 1 and 15 cases(41%) in group 2 respectively. Fissuring of graft was more prominent in group 2(5 cases, 14%) rather than group 1(3 cases, 9%). Fibrous tissue formation around graft was found in 3 cases(14%) of group 1 and 7 cases(20%) of group2. According to Outerbridge grading system of articular cartilage, more than grade II change in patellofemoral joint were detected more prominently in group 1(7 cases, 32%) than group 2(7 cases, 21%). CONCLUSION: In clinical results, there was no difference between Achilles allograft and Bone-Patellar tendon-Bone autograft used for reconstruction of anterior cruciate ligament. On second look arthroscopy, patellofemoral arthrosis was more prominent in autograft group, but revascularization of graft and the change of perigraft tissue showed more favorable result.


Anterior cruciate ligament reconstruction; Second-look arthroscopy; Bone-patellar tendon-bone autograft; Achilles tendon allograft
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