Abstract
We studied patients who participated in our accelerated rehabilitation program after anterior cruciate ligament reconstructive surgery to determine if they showed signs of patellar tendon graft stretching. This program initiated in 1987 emphasizes early full hyperextension, early weightbearing as tolerated, and closed-chain functional activities with rapid return to sports when the patient has attained full range of motion, approximately 65% of strength, and has accomplished the running and agility drills prescribed. A total of 209 patients met the criteria of KT-1000 arthrometer followup at the time full range of motion (5°/0°/135°) was attained and at 2 years or more after surgery. The KT-1000 arthrometer manual maximum difference between the reconstructed and normal knees was used as the indicator of change in the graft length. All patients completed postoperative sub jective questionnaires. The mean KT-1000 arthrometer value was 2.06 mm (SD, ±2.2) at full range of motion and 2.10 mm (SD, ±1.9) at more than 2 years of fol lowup (P = 0.7961). The patients' subjective stability scores averaged 19.6 with 97% reporting no instability episodes. Based on our findings, we conclude that an accelerated rehabilitation program after this type of re construction does not affect long-term stability as meas ured by the KT-1000 arthrometer.
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