"We examined 98 patients who underwent reconstructions to repair ruptured ACLs using either one of these methods after two years," commented lead researcher Mattias AhldĂ©n, MD, of Sahlgrenska University Hospital in MĂlndal, Sweden. "Using the pivot shift test to determine knee instability, 79% of the double bundle group and 67% of the single-bundle group showed normal knee function, a relatively minor difference."
The patients studied, ranging in age from 18-52, opted for ACL reconstructions after contact-sport injuries. The sample was comparable in terms of gender, time between injury and reconstruction, and length of follow-up period.
"Our study was not intended to show the overall effectiveness of ACL surgery, but instead determine if one surgical approach is better than another in promoting a return to normal activity," noted AhldĂ©n. "The data shows that in fact multiple surgical approaches can help patients enjoy a return to normalcy after knee injuries."
The study did not examine long-term effects of ACL injury recovery such as osteoarthritis in patients knees as it related to single and double bundle techniques.