Success of revision anterior cruciate ligament reconstruction requires detailed preoperative evaluation of the repeated instability of the knee. The treatment plan is then decided upon. The patients must be preoperativevely informed about the real possibilities of revision surgery. Only a mutual collaboration between the patient, physiatrist and a surgeon is a key for successful treatment and return to previous level of sports activities.

Correlation between radiological and clinical findings after anterior cruciate ligament reconstruction in our 39 patients shows that only the position of the graft affects the clinical outcome. Posterior graft location provides better clinical outcome and knee stability. On the other hand, anterior location is associated with worse postoperative IKDC scores, unstable knee and worse clinical outcome.

During the last two decades the "golden standard" in reconstruction of anterior cruciate ligament knee was the middle third of patellar tendon, but now are more used hamstrings tendon autograft. The aim of this work was to compare our results of the artroscopic reconstruction ACL (anterior cruciate ligament) of the knee using two different technics. We were controling 60 patients within the period of two years after operation. Group A was composed of 39 patients which had reconstructed ACL done with bone-patella tendon- bone autografts, in the group B were 21 patients and at them as autographts have been used hamstring tendon. Difference between healthe and the ill knee by the Lachman's test after operation, in the group A was 2,4 mm, but in the group B was 2,2mm (p> 0,05 ). Postoperative middle value of the Lysholm and Gillquist score in the group A was 97,74, in the group B it was 96,67 (p>0,05). IKDC score results are following: Group A- mark A 32 patients (84,6%); mark B 5 (12,8%); mark C 1 (2,6%) and in the group B: mark A 17 patients (81%); mark B 3 (14,28%): mark C 1 (4,72%) (p> 0,05). Postoperative value for the Tegner and Lyscholm score activity in the A group was 8,23, in B group it was 8,81. The reconstruction of ACL with bone- patella tendon-bone grafts gave better results then the reconstruction with the hamstring tendon only according to Tegner score values. In other parameters between those two groups there was no statisticaly significant difference.

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