![]() A correlation between the type of Wagstaffe injury and Weber classification was showed. In the current study, an incidence of 25.8% of anterior inferior ligament avulsion fracture in surgically treated ankle fractures is reported. Within the anterior inferior ligament avulsion fracture group, only a total of four patients (6.2%) underwent a revision. Size and direct fixation of the fragment were significantly correlated ( p < 0.0001). In 13 (20%) of patients with anterior inferior ligament avulsion fracture, the avulsed fragments were directly fixated during initial surgery. Thirty-five of the avulsed fragments (53.8%) were smaller than 5 mm. There was a correlation between Wagstaffe type 2 and Weber B fractures, p < 0.0001, and Wagstaffe type 3 avulsions were correlated with a Weber C fracture, p < 0.0001. ![]() Zero patients had a Wagstaffe type 1 fracture, 28 (43.1%) had a type 2, 32 (49.2%) had a type 3, and 5 (7.7%) had a type 4. In total, 65 of 252 (25.8%) patients were diagnosed with an anterior inferior ligament avulsion fracture. Secondary outcome was additional surgery in relation to the initial treatment. ![]() Primary outcome was the type of avulsion fracture and related treatment. Within the study population, the incidence of AITFL avulsion fracture was defined. This study is a retrospective analysis in a level-1 trauma center of adult patients with an ankle fracture operated between the dates 01-01-2009 and 01-09-2017 who had a pre- and postoperative CT-scan. The aim of this study is to provide insights regarding the incidence of anterior inferior ligament avulsion fractures, the association with fracture type, and correlation with treatment. There is no consensus about the optimal treatment of anterior inferior ligament avulsion fractures of the ankle.
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