The Microfracture Technique for the Treatment of Full-Thickness Articular Cartilage Lesions of the Knee: Midterm Results
Received 22 February 2008; accepted 27 June 2008. published online 29 August 2008.
Purpose
The purpose of this study was to determine the effectiveness of the microfracture technique in the treatment of full-thickness articular cartilage lesions of the knee.
Methods
In this study the midterm results of 90 patients (47 women and 43 men) with focal full-thickness articular cartilage lesions who had been managed with the microfracture technique are presented. The mean age of our patients was 34.5 years (range, 20 to 58), and 51 right and 39 left knees were treated. All of the articular lesions involved medial femoral condyles.
Results
On the basis of follow-up at a mean of 68 months (range, 24 to 108 months), mean improvements in Lysholm knee scores (from 54.2 to 84.6 points), Tegner activity scale scores (from 2.6 to 5.2 points), and Oxford knee interrogation scores (from 23.1 to 44.8 points) were observed (P < .0001). Moreover, there was a strong and significant correlation between functional results and age younger than 35 years, size of defect less than 2 cm2, non–weight-bearing surface, and body mass index lower than 25 kg/m2, respectively (P < .001).
Conclusions
According to our midterm results, the microfracture technique is quite effective with regard to the improvement of daily activities with a favorable impact on pain relief and better functional results. Furthermore, we found that there was a correlation between functional results and age, size of defect, location of defect, and body mass index as prognostic parameters.
aMedical Faculty of Istanbul, University of Istanbul, Istanbul, Turkey
bMedical Faculty of Gaziosmanpasa University, Tokat, Turkey
Address correspondence and reprint requests to Mehmet Asik, M.D., Istanbul Universitesi Istanbul Tip Fakultesi, Ortopedi ve Travmatoloji Anabilimdali 34390, Topkapi, Istanbul, Turkey
ABSTRACT