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First published on November 23, 2004, doi:10.1177/0363546504263702
This version was published on December 1, 2004
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The American Journal of Sports Medicine 32:1953-1961 (2004)
© 2004 American Orthopaedic Society for Sports Medicine

Healing Potential of Meniscal Tears Without Repair in Knees With Anterior Cruciate Ligament Reconstruction

Kazuyoshi Yagishita, MD, PhD*, Takeshi Muneta, MD, PhD, Takashi Ogiuchi, MD, Ichiro Sekiya, MD, PhD and Kenichi Shinomiya, MD, PhD

From the Department of Orthopaedic Surgery, Tokyo Medical and Dental University, Tokyo, Japan

* Address correspondence to Kazuyoshi Yagishita, MD, PhD, Tokyo Medical and Dental University, Department of Orthopaedic Surgery, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8519, Japan.

Background: Few previous studies have documented the healing potential of meniscal tears that are left to heal without repair.

Purpose: To determine the healing rates of meniscal tears left without repair in knees with anterior cruciate ligament reconstruction.

Study Design: Prospective cohort study.

Methods: One hundred and ninety-two knees were evaluated at the time of anterior cruciate ligament reconstruction and repeat arthroscopy. The healing rates of 41 medial and 42 lateral torn menisci without repair were evaluated by the same 2 surgeons in an identical fashion.

Results: Of 41 medial torn menisci left without repair, 22 (56%) were considered completely healed, 3 (7%) were incompletely healed, 11 (24%) were unhealed, and 5 (10%) had expanded unhealed lesions. Of 42 lateral torn menisci, 31 (74%) were considered completely healed, 2 (5%) were incompletely healed, 6 (14%) were unhealed, and 3 (7%) had expanded unhealed lesions. The healing rate of a medial meniscal tear was length dependent and not related to reconstructed ligament stability.

Conclusions: Stable meniscal tears at the time of anterior cruciate ligament reconstruction possibly could be left in situ. However, longer medial meniscal tears are thought to require additional stabilizing procedures.

Key Words: meniscal tear • without repair • healing potential • anterior cruciate ligament reconstruction




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