[Femoral press-fit fixation technique in anterior cruciate ligament reconstruction. Preliminary report]

Attila Pavlik, Péter Hidas, András Tállay, István Berkes
Orvosi Hetilap 2002 December 15, 143 (50): 2769-73

UNLABELLED: The authors have reported the experiences at femoral press-fit fixation technique used in anterior cruciate ligament reconstruction with bone-patellar tendon-bone autograft. Their surgical technique have been described and early results have been compared with those from anterior cruciate ligament plasties with the interference screw fixation technique during a prospective study.

PATIENTS AND METHODS: 665 anterior cruciate ligament reconstructions were performed between September 1997 and August 1999 at the Department of Sports Surgery of the National Institute for Sports Medicine. 418 of them were operated on by transtibial technique using free bone--patellar tendon--bone autografts with 265 femoral press-fit and 153 interference screw fixations. 110 patients from the press-fit and 72 from the interference screw group could be followed-up (average follow-up period: 19 months). Physical examination, evaluation by International Knee Documentation Committee and Lysholm scores, radiology, and stability test by KT-1000 arthrometer were used as follow-up tests with statistical comparison.

RESULTS: According to the International Knee Documentation Committee score, 77% of the patients with the interference screw and 87% of the patients from the press-fit group turned out to get to the normal or nearly normal categories. Neither the Lachman, anterior drawer and pivot shift tests, nor the results of the KT-1000 measurements have shown statistically significant difference between the two groups of patients. Mild (3-5 degrees) extension deficit has been detected at 14% of the patients with interference screw and 8% of the patients in the press-fit group. Mild (6-15 degrees) flexion deficit has been observed at 22% of the patients with interference screw and 24% of the patients from press-fit group with moderate (16-25 degrees) of flexion deficit at 4% of the patients. The subjective opinions of more than 90% of the patients were that the operation proved to be excellent or good. Based on the functional and stability data of the follow-up study, 87% of the patients operated on with femoral press-fit autograft fixation technique for their anterior cruciate ligament have shown excellent or good results.

CONCLUSIONS: When compared with the interference screw technique well-accepted in the literature, no statistically significant difference could be found, therefore this method can be recommended as alternative one for the femoral fixation of the anterior cruciate ligament graft.

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