High density-autologous chondrocyte implantation for the treatment of bilateral ankle cartilage defects: Report of two cases

Purpose: To study clinical outcome of patients with bilateral ankle chondral defects treated with High-Density Autologous Chondrocyte Implantation (HD-ACI) in the same surgical act. Cases presentation: Two men (27 and 48 years-old) with chondral defects in both ankles evidenced by MRI. Chondral lesions were treated with HD-ACI in the same surgical act and anesthesia, consecutively. Patients were evaluated 2, 6 and 12 months after surgery to check for treatment safety and efficacy. Pain, evaluated by the Visual Analogic Scale (VAS), decreased from very high values (8.5 – 9) to normal or almost normal scores one year after surgery (0 – 1). Ankle functionality measured by the American Orthopedic Foot & Ankle Society score (AOFAS) and quality of life evaluated by the EuroQol five-dimensional five-level questionnaire (EQ-5D-5L) behaved similarly to pain. Thus, both parameters increased and/or slightly decreased at 2 months (AOFAS score: 53 and 51; EQ-5D-5L score: 0.42 and 0.33) and reached their maximum value at 12 months (AOFAS score: 90 and 89; EQ-5D-5L score: 0.89 and 0.91). MRI from both ankles revealed that chondral defects were filled with a material of similar aspect to the surrounding cartilage. Conclusion: Treatment of both ankles with HD-ACI in the same surgical act in patients with bilateral chondral lesions is a safe procedure, providing positive results from the clinical and patients’ quality of life points of view.

Abstract licence: CC BY-NC-ND

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