• Shengwen Xiang, Zhijiang Ao, Zihao Ren, Guangqing Cai, Zhen Hu, Weiguo Hu, Yangbo Liu, Xing Li, and Licheng Wei.
• Department of Orthopedics, Changsha Traditional Chinese Medicine Hospital (Changsha Eighth Hospital), Changsha City, Hunan Province, China.
• Medicine (Baltimore). 2024 Oct 18; 103 (42): e40135e40135.

AbstractThis study aims to compare the effectiveness of anterior cruciate ligament (ACL) reconstruction performed with either a full tibial tunnel technique or an all-inside technique. Data from patients with ACL rupture who underwent ACL reconstruction using autogenous hamstring tendon grafts between January 2019 and July 2021 were retrospectively reviewed. Patients were followed up for a minimum of 24 months. Preoperative and postoperative International Knee Documentation Committee scores, Lysholm knee scores, visual analog scale pain scores, Tegner activity scale scores, C-reactive protein levels, erythrocyte sedimentation rate, white blood cell (WBC) count, D-dimer levels, and neutrophils were recorded. At the final follow-up, side-to-side differences were assessed with the pivot shift test, Lachman test, anterior drawer test, and a knee laxity-testing device. This study included 135 patients with ACL rupture, with 62 patients (43 males and 19 females, mean age: 34.42 ± 12.79 years) undergoing the full tibial tunnel technique, and 73 patients (58 males and 15 females, mean age: 32.41 ± 11.01 years) undergoing the all-inside techniques (AITs). There were no significant differences in postoperative International Knee Documentation Committee scores, Lysholm knee scores, or Tegner activity scale scores, except at postoperative 6 months. visual analog scale pain scores showed significant improvement in patients that underwent the AIT compared to the full tibial tunnel technique at postoperative 1 week, 2 weeks, and 1 month; however, there were no significant differences at postoperative 3, 6, 12, 18, and 24 months. C-reactive protein levels, erythrocyte sedimentation rate, WBC count, D-dimer levels, and neutrophils were significantly lower in patients that underwent the AIT compared to the full tibial tunnel technique at postoperative 1 month, but there were no other significant differences in these outcome measures, except for WBC count at postoperative 3 months. There was no significant difference in knee stability at the last follow-up. In ACL reconstruction, functional outcomes following the AIT are satisfactory and similar to the total tibial tunnel technique, but patients experience less pain and a reduced early postoperative inflammatory response. These results highlight the promising potential of AITs in the clinical management of ACL rupture and advocate for their widespread adoption.Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.

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