Supratrochlear Rim Resection: Autologous Matrix-Induced Chondrogenesis–Based Arthroscopic Technique for Patients With Isolated Patellar Chondromalacia
Tomasz Piontek, Bartosz Bąbik, Jakub Bąbik, Artur Banach
TL;DR
This paper introduces a new arthroscopic technique to treat patellar chondromalacia by removing a supratrochlear rim and using a cartilage reconstruction method.
Contribution
The novel contribution is an arthroscopic technique combining supratrochlear rim resection with autologous matrix-induced chondrogenesis for patellar chondromalacia.
Findings
Supratrochlear rim resection addresses both symptoms and biomechanical causes of patellar chondromalacia.
The technique uses autologous matrix-induced chondrogenesis for cartilage reconstruction on both femoral and patellar surfaces.
This method is proposed for patients with patella alta and isolated patellar chondromalacia without subluxation history.
Abstract
Isolated patellar chondromalacia in patients with patella alta and no history of patellar subluxations or dislocations is associated with a supratrochlear rim at the entrance to the femoral trochlea. This technical note outlines an arthroscopic technique called supratrochlear rim resection, which proposes a line of treatment that addresses not only symptoms (patellar cartilage defect) but also a suspected biomechanical reason (supratrochlear rim). The proposed technique combines resection of the supratrochlear rim with a modification of autologous matrix-induced chondrogenesis cartilage reconstruction on the femoral side at the location of the resected rim, as well as on the patellar defect.
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Taxonomy
TopicsLower Extremity Biomechanics and Pathologies · Foot and Ankle Surgery · Tendon Structure and Treatment