Suture Tape in Medial Patellofemoral Ligament Reconstruction
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This study aimed to describe a surgical technique using suture tape for reconstruction of the medial patellofemoral ligament (MPFL). This technique restores the stability of the reconstructed ligament and has excellent postoperative outcomes.

Analysis inclded 17 patients who underwent MPFL reconstruction using high-strength suture (FiberTape; Arthrex) augmentation, with at least 12 months of follow up. There were 11 female and 6 male patients. The mean age at the time of MPFL reconstruction was 22.1 years.

Clinical outcomes included pain level, knee range of motion, passive patellar hypermobility, and maltracking at follow-up. The lateral patellofemoral angles, congruence angles, and patellar tilt angles were measured in a skyline view by CT at 30° of knee flexion at 12-months. Functional outcomes were assessed using the Lysholm knee scoring scale, the SF-12 score, the Tegner score, and the Crosby and Insall grading system at yearly follow-up.

--No patients were lost at the last follow up. 1 patient had recurrence of patellar dislocation and none of the others had serious complications.

--The success rate of MPFL repair for preventing recurrent dislocations was 94.1%. 15 knees had full range of motion of more than 130°. At follow-up, 2 knees were judged to have mild hypermobility and none had severe hypermobility or maltracking.

--Using the Crosby and Insall grading system, 12 knees were graded as excellent, 4 knees as good, 1 knee as fair to poor, and none as worse at the last follow-up assessment.

--In all patients, the Lysholm knee score (55.12 ±13.52 vs 79.88 ±7.50), the SF-12 score (47 ± 9.53 vs 65.24 ± 12.82), and the Tegner score (2.76 ± 1.39 vs 6.53 ± 1.70) had improved at their 12-month follow up.

--Compared with preoperative radiological findings, there was a significant improvement in lateral patellofemoral angle (-10.24 ± 7.10 vs 6 ± 5.43), patellar tilt angle (26.53 ± 7.23 vs 9.88 ± 4.24), and congruence angle (29.59 ± 11.95 vs 8.65 ± 4.86).

To summarize, the use of FiberTape in MPFL reconstruction improves knee flexibility after surgery, has positive midterm clinical outcomes, and has low complication rates.

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