The risk of chondral injury during the Rigidfix femoral fixation via the anteromedial portal to reconstruct the anterior cruciate ligament
10.3760/cma.j.issn.1671-7600.2010.12.015
- VernacularTitle:前内侧入路Rigidfix固定重建前交叉韧带损伤软骨的解剖学研究
- Author:
Huaqiang FAN
;
Changming HUANG
;
Huixiang DONG
- Publication Type:Journal Article
- Keywords:
Anterior cruciate ligament;
Cartilage,articular;
Anteromedial portal
- From:
Chinese Journal of Orthopaedic Trauma
2010;12(12):1156-1159
- CountryChina
- Language:Chinese
-
Abstract:
Objective To evaluate the risk of chondral injury during anterior cruciate ligament (ACL) reconstruction using a double cross-pin femoral fixation device via the anteromedial portal in Chinese cadavers. Methods Nine specimens of the knee (6 left ones and 3 right ones) were taken from 5 male and 4 female conservative cadavers of Chinese adult. The average age of the cadavers were 34.8 (26 to 45)years old. Femoral tunnel drilling and cross-pin guide insertion were performed using the Rigidfix Cross Pin device through the anteromedial portal. The ACL reconstructions were simulated at 3 entrance points of the cross-pin (0°, 45° and 90° relative to the horizontal plane) . The risks of chondral injury were statistically analyzed when the cross-pin entrance point was at the 3 different positions relative to the femoral chondral surface. Results The incidence of chondral injury was 100% when the Rigidfix cross-pin guide was at 90° relative to the horizontal plane. When the Rigidfix cross-pin guide was at 45° and 0° the incidences of chondral injury were 66. 7% and 22. 2% respectively. Conclusion Since there is always a risk of chondral injury when the Rigidfix cross-pin device is used to reconstruct ACL via the anteromedial portal, the anteromedial portal is not recommended for the ACL reconstruction using Rigidfix femoral fixation.
