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ID 59980
著者
Hiranaka, Takaaki Department of Orthopaedic Surgery, Okayama University Hospital
Furumatsu, Takayuki Department of Orthopaedic Surgery, Okayama University Hospital Kaken ID publons
Okazaki, Yuki Department of Orthopaedic Surgery, Okayama University Hospital
Yamawaki, Tadashi Department of Orthopaedic Surgery, Kousei Hospital
Okazaki, Yoshiki Department of Orthopaedic Surgery, Okayama University Hospital
Kodama, Yuya Department of Orthopaedic Surgery, Okayama University Hospital
Kamatsuki, Yusuke Department of Orthopaedic Surgery, Okayama University Hospital
Ozaki, Toshifumi Department of Orthopaedic Surgery, Okayama University Hospital Kaken ID researchmap
抄録
Purpose
Contralateral medial meniscus posterior root tear (MMPRT) can sometimes occur after primary surgeries for MMPRT and lead to unsatisfactory outcomes. The incidence rate and risk factors for contralateral MMPRT have not been well investigated, despite their clinical importance. Therefore, the incidence and predictors of bilateral MMPRT were aimed to be evaluated.
Methods
Fourteen patients with bilateral MMPRT (group B) and 169 patients with unilateral MMPRT (group U) were enrolled in this study. Sex, age, body mass index, time between injury and surgery, and medial tibial slope angle (MTSA) were compared between the groups. MTSA was measured using lateral radiographs.
Results
The incidence rate of bilateral MMPRT was 6.2% among all patients with MMPRTs. Multivariate logistic regression analysis showed that a prolonged time between injury and surgery (odds ratio [OR], 1.0; 95% confidence interval [CI] 1.00–1.01; P < 0.05) and steeper MTSA (OR, 1.85; 95% CI 1.21–2.64; P < 0.01) were significantly associated with the development of bilateral MMPRT. Receiver operating characteristic curve analysis showed that MTSA > 10.0° was associated with bilateral MMPRT, with a sensitivity of 93% and specificity of 69%.
Conclusion
A longer time between injury and surgery and steeper MTSA were risk factors for the development of bilateral MMPRT. Surgeons need to pay close attention to the contralateral knee in addition to the primary injured knees when treating knees with steep MTSA. Besides, early meniscal repair of primary MMPRT would be important to prevent the events of contralateral MMPRT.
キーワード
Medial meniscus
Posterior root tear
Bilateral injury
Predictor
Medial tibial slope
Sensitivity and specificity
備考
This is a post-peer-review, pre-copyedit version of an article published in Knee Surgery, Sports Traumatology, Arthroscopy. The final authenticated version is available online at: http://dx.doi.org/10.1007/s00167-020-06079-1.
This fulltext is available in June 2021.
発行日
2020-06-01
出版物タイトル
Knee Surgery, Sports Traumatology, Arthroscopy
出版者
Springer
ISSN
0942-2056
NCID
AA10973641
資料タイプ
学術雑誌論文
言語
English
OAI-PMH Set
岡山大学
論文のバージョン
Author
PubMed ID
DOI
Web of Science KeyUT
関連URL
isVersionOf https://doi.org/10.1007/s00167-020-06079-1