Degenerative Medial Meniscus Tear With a Displaced Flap Into the Meniscotibial Recess and Tibial Peripheral Reactive Bone Edema Presents Good Results With Arthroscopic Surgical Treatment.

Helito, Camilo Partezani;Partezani Helito, Paulo Victor;Sobrado, Marcel Faraco;Giglio, Pedro Nogueira;Vande Berg, Bruno;et.al.
(2021) Arthroscopy: The Journal of Arthroscopy and Related Surgery — Vol. 37, n° 11, p. 3307-3315 (2021)

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Authors
  • Helito, Camilo Partezani
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  • Partezani Helito, Paulo Victor
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  • Sobrado, Marcel Faraco
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  • Giglio, Pedro Nogueira
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  • Vande Berg, BrunoUCLouvain
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Abstract
PURPOSE: To report the arthroscopic treatment results of a degenerative medial meniscus tear with a displaced flap into the meniscotibial recess, tibial peripheral reactive bone edema, and focal knee medial pain. As a secondary objective, we propose to identify possible factors associated with a good or poor prognosis of the surgical treatment of this lesion. METHODS: From 2012 to 2018, patients who had this specific meniscus pathology and underwent arthroscopic surgical treatment were retrospectively evaluated. Patients with Kellgren-Lawrence (KL) classification greater than 2 were excluded. KL classification, the presence of an Outerbridge grade III/V chondral lesion of the medial compartment, limb alignment, body mass index, and smoking were evaluated. The subjective outcomes included the International Knee Documentation Committee score, improvement in the pain reported by patients, and the Global Perceived Effect (GPE) scale score. RESULTS: A total of 69 patients were evaluated. The mean age was 58.6 ± 7.1 years. The follow-up time was 48.7 ± 20.8 months. Fifty-five (79.7%) patients reported pain improvement. The postoperative International Knee Documentation Committee was 62.6 ± 15.4, and the mean GPE was 2.3 ± 2.6. Fourteen patients (20.3%) showed no improvement in pain, and 7 patients (10.2%) presented complications. Groups that improved (GPE > 0) and did not improve (GPE < 0) did not present differences regarding age, sex, follow-up time, chondral lesions, or body mass index. Patients without improvement had a greater incidence of smoking (P = .001), varus alignment (P = .008), and more advanced KL classification (P < .001). In the multivariate analysis based on the GPE score, KL classification (P = .038) and smoking (P = .003) were significant. CONCLUSIONS: Arthroscopic surgical treatment of degenerative medial meniscal tears with a meniscal flap displaced into the meniscotibial recess and adjacent focal bone edema in the tibia shows good results in approximately 80% of cases. Smoking and KL grade 2 were factors associated with poor prognosis of surgical treatment. LEVEL OF EVIDENCE: Level IV (case series).
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Helito, C. P., Partezani Helito, P. V., Sobrado, M. F., Giglio, P. N., Guimaraes, T. M., Pécora, J. R., Gobbi, R. G., Rodrigues, M. B., & Vande Berg, B. (2021). Degenerative Medial Meniscus Tear With a Displaced Flap Into the Meniscotibial Recess and Tibial Peripheral Reactive Bone Edema Presents Good Results With Arthroscopic Surgical Treatment. Arthroscopy: The Journal of Arthroscopy and Related Surgery, 37(11), 3307-3315. https://doi.org/10.1016/j.arthro.2021.04.033 (Original work published 2021)