Journal of orthopaedic trauma · 2018
Comparing Functional Outcomes After Injury-Specific Fixation of Posterior Malleolar Fractures and Equivalent Ligamentous Injuries in Rotational Ankle Fractures.
Сравнительное исследованиеСтатьяНазвание и аннотация: Перевод в очереди
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Levack Ashley E, Warner Stephen J, Gausden Elizabeth B, Helfet David L, Lorich Dean G
Аннотация
OBJECTIVES: To evaluate the effect of posterior bony versus ligamentous injury pattern on functional outcomes in operatively treated rotational ankle fractures.
DESIGN: Retrospective cohort analysis of prospective registry.
SETTING: Academic Level I trauma center.
PATIENTS/PARTICIPANTS: Operatively treated supination external rotation IV and pronation external rotation IV ankle fractures.
INTERVENTION: Lateral malleolus plate fixation with either posterior malleolus (PM) plate fixation or posterior inferior tibiofibular ligament (PITFL) repair.
MAIN OUTCOME MEASUREMENTS: Foot and ankle outcome scores at minimum 12 months postoperatively.
RESULTS: One hundred seventy-eight fractures were treated with injury-specific anatomic fixation of a PM fracture (n = 122) or torn PITFL (n = 56). The PM group was significantly older, contained more women, and had lower mean body mass index versus the PITFL group. There was a higher rate of medial malleolar fracture in the PM group; other fracture and baseline characteristics were similar between groups. Univariate and multivariable analysis revealed no difference in foot and ankle outcome scores for any of the 5 summary domains (symptoms, pain, activities of daily living, sports, or quality of life) at the time of most recent follow-up. The median length of follow-up was 16.3 and 12.8 months in the PM and PITFL groups, respectively.
CONCLUSIONS: In our cohort of ankle fractures, we have demonstrated comparable outcomes in stage IV rotational ankle fractures with and without PM fractures, indicating that the presence of a PM fracture may not result in inferior outcomes compared with ligamentous equivalent injuries if these fractures are addressed in an injury-specific manner.
LEVEL OF EVIDENCE: Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence.
DESIGN: Retrospective cohort analysis of prospective registry.
SETTING: Academic Level I trauma center.
PATIENTS/PARTICIPANTS: Operatively treated supination external rotation IV and pronation external rotation IV ankle fractures.
INTERVENTION: Lateral malleolus plate fixation with either posterior malleolus (PM) plate fixation or posterior inferior tibiofibular ligament (PITFL) repair.
MAIN OUTCOME MEASUREMENTS: Foot and ankle outcome scores at minimum 12 months postoperatively.
RESULTS: One hundred seventy-eight fractures were treated with injury-specific anatomic fixation of a PM fracture (n = 122) or torn PITFL (n = 56). The PM group was significantly older, contained more women, and had lower mean body mass index versus the PITFL group. There was a higher rate of medial malleolar fracture in the PM group; other fracture and baseline characteristics were similar between groups. Univariate and multivariable analysis revealed no difference in foot and ankle outcome scores for any of the 5 summary domains (symptoms, pain, activities of daily living, sports, or quality of life) at the time of most recent follow-up. The median length of follow-up was 16.3 and 12.8 months in the PM and PITFL groups, respectively.
CONCLUSIONS: In our cohort of ankle fractures, we have demonstrated comparable outcomes in stage IV rotational ankle fractures with and without PM fractures, indicating that the presence of a PM fracture may not result in inferior outcomes compared with ligamentous equivalent injuries if these fractures are addressed in an injury-specific manner.
LEVEL OF EVIDENCE: Therapeutic Level III. See Instructions for Authors for a complete description of levels of evidence.