Arthroscopic Reconstruction of the Posterior Cruciate Ligament With Use of a Quadruple Hamstring Tendon Graft With 3‐ to 5‐Year Follow‐up

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Abstract
Purpose: This study prospectively evaluated 20 patients treated consecutively to determine patient outcomes, efficacy, and complication potential of arthroscopically assisted posterior cruciate ligament (PCL) reconstruction performed with hamstring tendon grafts. Methods: Twenty patients (15 men and 5 women), each with an isolated PCL injury, underwent PCL reconstruction with hamstring tendon autograft and were enrolled in this prospective study. Average age at time of surgery was 29 years (range, 20 to 57 years). Average time from injury to surgery was 4 months (range, 3 to 12 months). Average follow‐up period was 40 months (range, 36 to 50 months). Patients underwent regular follow‐up after clinical and radiographic preoperative and postoperative evaluation. Follow‐up examinations comprised the Lysholm Knee Score, the Tegner Activity Score, the International Knee Documentation Committee (IKDC) score, thigh muscle assessment, and radiographic evaluation. Results: Mean preoperative Lysholm score for 20 knees was 63 ± 10 (range, 48‐73); mean postoperative Lysholm score was 93 ± 9 (range, 77‐100). Eighteen of 20 patients (90%) showed good or excellent results at final assessment. Mean preinjury and preoperative Tegner scores were 7 ± 1.5 (range, 5‐9) and 3 ± 1.9 (range, 2‐5), respectively; mean postoperative Tegner score for 20 knees was 6.3 ± 2.4 (range, 4‐9). In final IKDC ratings, 85% of patients (17 of 20) were assessed as normal or near normal (grade A or B). A statistically significant improvement was seen in thigh girth difference, extensor strength ratio, and flexor strength ratio before and after reconstruction at a minimum of 3 years of follow‐up. Conclusions: After follow‐up for longer than 36 months, analytical results showed satisfactory function after PCL reconstruction with the use of hamstring tendon autografts. We suggest that the hamstring tendon autograft is a safe, effective, and acceptable choice for PCL reconstruction, and that it affords good ligament reconstruction. Level of Evidence: IV, therapeutic case series.

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