Abstract
Purpose
To evaluate the clinical and radiological results of arthroscopic PCL reconstruction using an accessory anterolateral portal for femoral tunneling and to compare these results with those of the conventional technique.
Methods
We retrospectively reviewed the clinical and radiological results for 57 patients who underwent PCL reconstruction, including 31 patients who underwent arthroscopic PCL reconstruction with an accessory anterolateral portal (group A) and 26 patients who underwent conventional arthroscopic PCL reconstruction (group B). Lysholm score, IKDC score, simple radiographs (AP and lateral), and posterior drawer test results were evaluated preoperatively and at 3 years postoperatively.
Results
No major complication was observed in group A. However, posterior cortical disruption due to improper placement of the femoral tunnel was observed in one patient in group B. The mean Lysholm knee scores increased from 41.5 ± 4.8 preoperatively to 92.5 ± 6.2 at final follow-up in group A (P < 0.001), and from 43.5 ± 3.4 preoperatively to 88.5 points ± 3.7 in group B (P = 0.002). Posterior stress radiographs with a KT-1000 showed that the mean side-to-side differences improved from 13.79 ± 5.1 mm preoperatively to 3.1 ± 0.7 mm postoperatively in group A and from 12.68 ± 6.3 mm preoperatively to 3.5 ± 0.5 mm postoperatively in group B. The sensitivity and specificity of the placement and direction of the femoral tunnel were significantly higher in group A than group B (P = 0.002).
Conclusion
Arthroscopic PCL reconstruction with an accessory anterolateral portal can provide a better surgical view than the conventional technique, and this can minimize the problems associated with femoral tunneling, such as inappropriate and inconsistent placement of the tunnel, abnormal angulation, and sliding of the guide tip. Moreover, this approach may have a shorter operative time and a better functional recovery than the conventional technique.
Level of evidence
Retrospective comparative study, Level IV.
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Acknowledgments
We thank Jae-Man Kwak, MD for technical assistance.
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The authors declare that they have no conflicts of interest.
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Lee, G.W., Jang, SJ., Choi, Y. et al. Accessory anterolateral portal in arthroscopic PCL reconstruction. Knee Surg Sports Traumatol Arthrosc 21, 1043–1049 (2013). https://doi.org/10.1007/s00167-012-2130-3
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DOI: https://doi.org/10.1007/s00167-012-2130-3