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Lauge-Hansen classification may be used to predict ligament injuries in ankle fractures
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Comparisons made between injury radiographs, preoperative MRI scans and intraoperative results indicated the Lauge-Hansen classification can accurately predict ligament injuries in ankle fracture cases, according to study results.
Researchers studied 283 patients with an average age of 47.8 years who were surgically treated for ankle fracture and had radiographs to determine their Lauge-Hansen classification. Investigators also used MRI scans to analyze deltoid and syndesmotic ligaments.
Lauge-Hansen classifications showed 231 of ankle fractures were classified as supination external rotation, 40 fractures were classified as pronation external rotation, 11 were classified as supination adduction, one was classified as pronation abduction and 17 could not be classified. Of the 283 classified fractures, 266 had ligamentous injury MRI results and fracture patterns that were true to the predictions made using the Lauge-Hansen classification.
Investigators noted the Lauge-Hansen classification of ankle fractures was associated with intraoperative findings, showing 94% of MRI findings for injuries and fracture patterns matched predictions with the Lauge-Hansen classification. The remaining 6% of ankle fractures had discrepancies because of a lack of anterior inferior ligament, according to researchers.‒ by Monica Jaramillo
Disclosures: The researchers report no relevant financial disclosures.
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