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Treatment of Ankle Osteoarthritis with Total Ankle Replacement Through a Lateral Transfibular Approach
Published on: January 24, 2018
High-Energy Transsyndesmotic Ankle Fracture Dislocation-Does Deltoid Ligament Repair Influence the Progression of
Olawale A Sogbein1,2, Lorenzo Saad2, Kristen I Barton1,2
1Division of Orthopaedic Surgery, Department of Surgery, Schulich School of Medicine and Dentistry, Western University; London Health Sciences Centre, Victoria Hospital, London, ON, Canada.
Objective:
To determine the effect of deltoid ligament repair on the development of posttraumatic arthritis in logsplitter ankle injuries.
Design:
Retrospective cohort.
Setting:
Academic, Level I trauma center.
Patient Selection Criteria:
Patients ≥18 years of age with logsplitter injuries (OTA/AO 44B, 44C) treated with open reduction internal fixation (ORIF) with or without deltoid ligament repair from January 2008 to October 2021.
Outcome Measures And Comparison:
The rate of posttraumatic arthritis (PTOA) development at the final follow-up (minimum 6 months) after ORIF was evaluated using the Kellgren-Lawrence scale. The achievement of acceptable reduction indicated by articular reduction <2 mm, and a medial clear space ≤4 mm was assessed at 6 weeks postoperatively with weight-bearing radiographs. The effect of deltoid ligament repair on the development of PTOA was investigated.
Results:
Fifty-nine patients aged 49.1 ± 17.2 years met inclusion criteria with a mean follow-up of 16.6 months (range = 6 to 96). Twenty-six of 59 patients (44%) had developed PTOA at the final follow-up. Acceptable reduction was achieved in 83.1% (49/59) of fractures. The acceptable reduction rate in fractures undergoing deltoid ligament repair was 100% versus 78% in those without deltoid ligament repair (13/13 vs. 36/46, P = 0.017). The rate of PTOA development was significantly lower in patients who underwent deltoid ligament repair (15%) than those who did not (52%), P = 0.026. Patients who underwent deltoid ligament repair had a significantly reduced rate of PTOA development leading to arthrodesis compared with those who did not (0% vs. 17%, P = 0.013).
Conclusions:
Logsplitter injuries resulted in a high rate of development of posttraumatic arthritis. An acceptable reduction is required to minimize the risk of development of PTOA and progression to arthrodesis. Deltoid ligament repair during ORIF may facilitate acceptable reduction and decrease the rate of PTOA and progression to arthrodesis in these injuries.
Level Of Evidence:
Prognostic Level III. See Instructions for Authors for a complete description of levels of evidence.
