High-Energy Transsyndesmotic Ankle Fracture Dislocation-Injury Characteristics, Radiographic Outcomes, and Factors Affecting the Rate of Posttraumatic Arthritis in Logsplitter Injuries.
JOURNAL OF ORTHOPAEDIC TRAUMA(2022)
Abstract
OBJECTIVES:To investigate patient demographics, injury characteristics, radiographic outcomes, and identify risk factors for developing posttraumatic arthritis in high-energy transsyndesmotic ankle fracture dislocations or "logsplitter" injuries.
DESIGN:Retrospective cohort study.
SETTING:Academic level one trauma center.
PATIENTS/PARTICIPANTS:Twenty-seven adult patients with logsplitter injuries.
INTERVENTION:All patients were treated with open reduction internal fixation, with possible addition of syndesmosis screw(s) and deltoid repair.
MAIN OUTCOME MEASUREMENTS:The rate of posttraumatic arthritis at one year along with rate and reasons for reoperation.
RESULTS:Twenty-seven patients were included with a mean follow-up of 14.5 ± 12.5 months. At one-year postoperative, 14 of the 20 patients (70%) demonstrated posttraumatic arthritis. Two patients (7.4%) went onto fusion. The reoperation rate was 51.9%. There was no significant difference in the arthritis rate with the number of syndesmosis screws used, quality of reduction, or addition of deltoid repair.
CONCLUSIONS:The logsplitter injury is one with devastating outcomes and high rates of arthritis; it should be considered separately from conventional ankle fractures. The role of deltoid repair remains unclear. Further study of this injury pattern is required.
LEVEL OF EVIDENCE:Prognostic Level IV. See Instructions for Authors for a complete description of levels of evidence.
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Key words
logsplitter, ankle, dislocation, syndesmosis, fracture
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