Grafted tendon healing in tibial tunnel is inferior to healing in femoral tunnel after anterior cruciate ligament reconstruction: a histomorphometric study in rabbits

Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association
Chun-Yi WenKai-Ming Chan

Abstract

This study aimed to test whether graft healing in the tibial tunnel was inferior to that in the femoral tunnel after anterior cruciate ligament (ACL) reconstruction in rabbits. Surgical reconstruction by use of the digital extensor tendon in the bone tunnel was performed in 18 rabbits. The rabbits were killed at weeks 2, 6, and 12 postoperatively, with 6 at each time point, for histologic examination. The transiently formed cartilaginous interface was gradually mineralized during re-establishment of direct tendon-to-bone integration, which was observed significantly less in the tibial tunnel than in the femoral tunnel (P < .05). The cell density of the graft was significantly lower in the tibial tunnel than that in the femoral tunnel at weeks 2 and 6 postoperatively (P < .05 for both). An increase in the immature type III collagen content was accompanied by a decrease in graft collagen fiber organization, with healing over time in both the femoral and tibial tunnels. The collagen fiber organization of the graft was significantly poorer in the tibial tunnel than that in the femoral tunnel at week 12 after surgery (P < .05). Grafted tendon healing in the tibial tunnel was inferior to that in the femoral tunnel at the tendon-to-bo...Continue Reading

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Citations

Sep 1, 2011·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Markus WeissAndreas Weiler
Aug 30, 2012·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Lei SunXianhua Zhou
Apr 12, 2011·Sports Medicine, Arthroscopy, Rehabilitation, Therapy & Technology : SMARTT·Christian MauchMichael T Hirschmann
Jan 18, 2016·Orthopaedics & Traumatology, Surgery & Research : OTSR·M BachyD Hannouche
May 23, 2012·Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association·Lei SunMin Tian
Jul 26, 2011·Journal of Shoulder and Elbow Surgery·Jonathan T NassosThay Q Lee
Jun 1, 2011·Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association·Li QiZhong Gang
Aug 24, 2010·Journal of Orthopaedic Surgery and Research·Ppy LuiL Qin
Apr 20, 2017·Journal of Orthopaedic Surgery and Research·Zhengming SunMing Chen
May 17, 2017·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Hong-Yun LiShi-Yi Chen
May 2, 2014·Journal of Orthopaedic Surgery·Junsuke NakaseHiroyuki Tsuchiya
Feb 21, 2021·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Mateusz StolarzKrzysztof Ficek

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