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Observations on Bone Tunnel Enlargement After Double-Bundle Anterior Cruciate Ligament Reconstruction
Arthroscopy, 03/26/07

Rainer Siebold M.D. - Conclusions: This study shows significant tibial and femoral bone tunnel enlargement on MRI after 4-tunnel double-bundle ACL reconstruction 1 year postoperatively. In 41% of patients separate tibial bone tunnel measurements were impossible because of tunnel communication caused by intraoperative bone tunnel drilling, screw contact, or postoperative bone tunnel enlargement. On the femoral side, no bone tunnel communication occurred. The short-term clinical results were good and were not influenced by tunnel communication