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Study: No significant difference seen in OA progression between single-bundle, double-bundle techniques
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There were no significant differences between the single-bundle and double-bundle ACL reconstruction techniques with regard to progression of osteoarthritis, according to results of this study from South Korean researchers.
"The [double-bundle] DB technique, compared with [single-bundle] SB, was not more effective in preventing [osteoarthritis] OA and did not have a more favorable failure rate," Eun-Lyoo Song, MD, and colleagues wrote in the study abstract. "Although the DB ACL reconstruction technique produced a better [International Knee Documentation Committee] IKDC subjective scale result than did the SB ACL reconstruction technique, the two modalities were similar in terms of clinical outcomes and stability after a minimum 4 years of follow-up."
Song and colleagues prospectively evaluated 130 patients who underwent ACL reconstruction with either a SB or DB reconstruction, according to the abstract. At 2-year follow-up, 112 patients were available.
The researchers noted that all patients achieved full range of motion within 6 months after surgery, but found 9.6% of patients in the DB group and 10% of patients in the DB group had advanced OA at 2 years. There were no significant differences in the results of the Lachman, radiographic stability and pivot-shift tests between either group, according to the abstract. Researchers also found no significant differences between either group in Lysholm knee and Tegner activity scores.
Disclosure: This study was funded by the Leading Foreign Research Institute Recruitment Program through the National Research Foundation of Korea funded by the Ministry of Education, Science and Technology.
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