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Good outcomes seen after MPFL reconstruction with Insall’s proximal realignment
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Good clinical results were seen at midterm to long-term follow-up in patients who underwent medial patellofemoral reconstruction with Insall’s proximal realignment.
Researchers assessed 20 knees of 15 patients who underwent medial patellofemoral ligament reconstruction with Insall’s proximal realignment from 1999 to 2012. The minimum follow-up was 5 years, with a mean follow-up of 123 months. Redislocation rate and patellar apprehension sign were evaluated postoperatively. Investigators also calculated the Kujala and KOOS scores. Preoperatively, postoperatively and at final follow-up, the tilting and congruence angles and lateral shift ratio were measured on X-ray. MRI was used to evaluate osteochondral lesions at the patellofemoral joint.
Results showed one knee with history of postoperative subluxation and five knees had a positive apprehension sign. There was a significant improvement seen in the mean Kujala score, which went from 65.5 points to 86.1 points. Based on X-rays, patellofemoral alignment improved postoperatively and was maintained at the final follow-up. At the final follow-up, five of 20 cases had patellofemoral osteoarthritic change observed on MRI. Of the five knees that had severe osteochondral lesions, four had osteochondral fixation or transplantation surgery. At final follow-up, one of the 15 knees had evidence of a patellofemoral osteoarthritic change. – by Monica Jaramillo
Disclosure s : The authors report no relevant financial disclosures.
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