J Korean Knee Soc.  1997 Jun;9(1):13-18.

Clinical Verification of the Calculation of Tibial Tunnel Length in Endoscopic ACL Reconstruction

Abstract

Tibial tunnel placement during endoscopic anterior cruciate ligament (ACL) reconstruction has received increased emphasis in the recent literature. Tibial tunnel length is a factor that affect graft fixation, potential impingement, and graft abrasion. Appropriate tunnel length is a critical tecpnical consideration. A tunnel that is too long may make distal fixation and femoral tunnel placement difficult... A tunnel that is too short results in graft extrusion, necessitating supplemental fixation techniques. This grafl-tunnel mismatch can be avoided if fhe sum of the tibial tunnel length plus the intraarticular distance of ACL is equal to or greater than the graft tendon length plus 20mm (the minimum interference fixation possible when using the smallest available 20 mm long interference screw). Authors published an article to determine the reiationship between the length of patellar tendon and that of anterior cruciate ligament, to calculate the tibial tunnel length through the dissection of 19 cadaveric knees (ACL length (mm)=0.73 X Patellar tendon length-2.69 (p

Keyword

Knee; Endoscopic ACL reconstruction; Tibial tummel length

MeSH Terms

Anterior Cruciate Ligament
Cadaver
Humans
Knee
Patellar Ligament
Tendons
Transplants
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