Double-bundle anterior cruciate ligament reconstruction technique has advantages in chondroprotection and knee laxity co
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Double‑bundle anterior cruciate ligament reconstruction technique has advantages in chondroprotection and knee laxity control compared with single‑bundle technique A long-term follow-up with a minimum of 12 years Zimu Mao1,2 · Jian Wang1,2 · Yongjian Wang1,2 · Dong Jiang1,2 · Xinjie Wang1,2 · Haijun Wang1,2 · Lin Lin1,2 · Yang Liu1,2 · Lin Zeng3 · Jiakuo Yu1,2 Received: 20 June 2020 / Accepted: 26 October 2020 © European Society of Sports Traumatology, Knee Surgery, Arthroscopy (ESSKA) 2020
Abstract Purpose To compare the long-term clinical outcomes of single-bundle anterior cruciate ligament reconstruction (SBR) and double-bundle anterior cruciate ligament reconstruction (DBR) in patients with isolated anterior cruciate ligament (ACL) rupture, presenting no meniscus injury and no obvious preoperative cartilage degeneration. Methods One hundred and three patients (38.6 ± 9.5 years) with a median follow-up of 151.6 months (range, 144– 189 months) completed the retrospective study (SBR group: n = 51; DBR group: n = 52). Clinical outcomes were evaluated with physical examinations, KT-2000 anterior and posterior stability measurement with the knee in 30º of flexion, International Knee Documentation Committee (IKDC) subjective score, Tegner score, Lysholm score; magnetic resonance imaging (MRI) (3.0 T) was performed, and International Cartilage Repair Society (ICRS) cartilage degeneration grades were determined. Multivariate analysis was performed to identify factors associated with cartilage degeneration. Results There were significant differences in the pre- and postoperative IKDC, Lysholm and Tegner scores between the SBR and DBR groups. The SBR group had over double the rate of positive pressure/rub patellar test results (SBR vs DBR, 43.1% vs. 19.2%, p
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