Abstract
Objectives
Determine whether MR imaging findings or demographics predict surgical management in patients with first MTP joint injuries.
Materials and methods
Retrospective study of 161 forefoot MRs for traumatic first MTP injury (M:F 92:69, mean age 33 ± 13 yrs.). Two radiologists reviewed imaging for ligamentous, osseous, and tendinous injuries. Ligaments and tendons were graded as 0:normal, 1:sprain or strain, 2:partial tear, 3:complete tear. Osseous injuries were classified as edema, fracture, or cartilage injury. Clinical data obtained included sex, age, injury acuity, sport participation, level of sport, and treatment. Imaging findings and demographic data were assessed to determine predictive factors for surgical management. Statistics included kappa, chi-squared, Fisher’s exact, and logistic regression.
Results
Logistic regression (odds ratio [95% CI], p-value) showed that grade 2 or 3 injuries of the plantar ligamentous complex (2.87, [1.10, 7.48], p = 0.031), grade 2 or 3 injuries of the medial collateral ligament (3.24, [1.16, 9.08], p = 0.025), and participation in collegiate or professional sports (4.34 [1.64, 11.52], p = 0.003) were associated with an increased rate of surgical intervention. k = ligamentous injury (0.71–0.83), osseous trauma (0.88–0.95), and tendon injury (0.78). All other imaging findings and demographic factors were not significant predictors of surgery (p > 0.05).
Conclusion
Participation in collegiate or professional sports and tears of the plantar ligamentous complex or medial collateral ligament predicted surgical management in patients with first MTP trauma.
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Edwards, C.R., Ahmad, Z.Y., Vosseller, J.T. et al. First MTP joint injuries: MR imaging findings in surgically managed patients. Skeletal Radiol 52, 1729–1738 (2023). https://doi.org/10.1007/s00256-023-04327-2
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DOI: https://doi.org/10.1007/s00256-023-04327-2