Medial release and lateral imbrication for intractable anterior knee pain: diagnostic process, technique, and results
Alexander R Meldrum,1 Jeremy R Reed,2 Megan D Dash3
1Department of Surgery, Section of Orthopedic Surgery, University of Calgary, Calgary, AB, Canada; 2Department of Surgery, University of Saskatchewan College of Medicine, Regina, SK, Canada; 3Department of Family Medicine, College of Medicine, University of Saskatchewan, Regina, SK, Canada
Purpose: To present two cases of intractable patellofemoral pain syndrome treated with a novel procedure, arthroscopic medial release, and lateral imbrication of the patellar retinaculum.
Patients and methods: This case series presents the treatment of three knees in two patients (one bilateral) in whom an all-inside arthroscopic medial release and lateral imbrication of the patellar retinaculum was performed. Subjective measurement of pain was the primary outcome measurement, and subjective patellofemoral instability was the secondary outcome measurement.
Results: Subjectively the two patients had full resolution of their pain, without any patellofemoral instability.
Conclusion: Medial release and lateral imbrication of the patellar retinaculum is a new surgical procedure that has been used in the treatment of intractable patellofemoral pain syndrome. This is the first report of its kind in the literature. While outcome measurements were less than ideal, the patients had positive outcomes, both functionally and in terms of pain.
Keywords: anterior knee pain syndrome, chondromalacia patellae, runners knee, patellar chondropathy, patellofemoral dysfunction, patellofemoral tracking disorder
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