Microfracture Technique Versus Osteochondral Autologous Transplantation Mosaicplasty in Patients with Articular Chondral Lesions of the Knee: a Prospective Randomized Trial with Long-term Follow-up

Overview

Journal Knee Surg Sports Traumatol Arthrosc

Publisher Wiley

Specialties Emergency Medicine
General Surgery
Orthopedics

Date 2014 Jan 21

PMID 24441734

Citations 49

Authors

Svend Ulstein

Asbjorn Aroen

Jan Harald Rotterud

Sverre Loken

Lars Engebretsen

Stig Heir

Affiliations

Soon will be listed here.

Abstract

Purpose: To compare long-term functional and radiological outcome following microfracture technique (MF) versus osteochondral autologous transplantation (OAT) mosaicplasty for treating focal chondral lesions of the knee.

Methods: Twenty-five patients (mean age 32.3 years, SD 7.7) with a full-thickness (International Cartilage Repair Society grade 3 or 4) chondral lesion of the articulating surface of the femur were randomized to either MF (n = 11) or OAT mosaicplasty (n = 14). At a median follow-up of 9.8 years (range 4.9-11.4), the patients were evaluated using Lysholm score (n = 25), Knee Injury and Osteoarthritis Outcome Score (KOOS, n = 25), isokinetic quadriceps measurement and hamstring strength measurement (n = 22) and standing radiographs (n = 23).

Results: There were no significant differences in Lysholm score, KOOS, isokinetic muscle strength or radiographic osteoarthritis between MF-treated patients and OAT mosaicplasty-treated patients at follow-up. Mean Lysholm score at follow-up was 69.7 [95% confidence interval (CI), 55.1-84.4] for the MF group and 62.6 (95% CI, 52.6-72.6) for the OAT mosaicplasty group.

Conclusion: At long-term follow-up, there were no significant differences between patients treated with MF and patients treated with OAT mosaicplasty in patient-reported outcomes, muscle strength or radiological outcome.

Level Of Evidence: Therapeutic study, Level II.

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