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- Author or Editor: Hyo Beom Lee x
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Talar injuries that are associated with pilon fractures include talar body fractures, osteochondral defects, and posterior process talar fractures. Pilon fractures, in combination with talar dome fractures, have not yet been reported in the scientific literature. We report the case of a 15-year-old boy who sustained a pilon fracture with a lateral talar dome fracture. The pilon fracture was initially fixed using a temporary external fixator for soft-tissue care. After the swelling subsided, definitive internal fixation was performed. First, the lateral talar dome fracture was directly reduced and fixed using a small anterolateral approach of the ankle. Then, the intra-articular portion of the pilon fracture was directly reduced using the same anterolateral approach and an additional small anteromedial approach, and the extra-articular metaphyseal portion of the pilon fracture was indirectly reduced. The pilon fracture was finally fixed with an anterolateral distal tibia plate, using a submuscular plating technique through the anterolateral approach and a separate proximal skin incision. A medial distal tibia plate was later added using a subcutaneous plating technique through the anteromedial approach and another proximal skin incision. Both the pilon fracture and the lateral talar dome fracture were addressed simultaneously through a combination of the small anterolateral and anteromedial approaches.
Unstable fracture-dislocation of the ankle is a common lower-extremity injury. Treatment is challenging when the fracture-dislocation is open and cannot be treated with conventional open reduction and internal fixation (ORIF). Immediate ORIF may not be possible for severe, unstable ankle injuries, such as those with ischemic foot because of a poor blood supply caused by soft-tissue injury, or open fracture-dislocation of the ankle with a deltoid ligament rupture. We describe a staged treatment for unstable open fracture-dislocation of the ankle with a deltoid ligament rupture. The first stage involves temporary vertical transarticular pinning combined with external fixation. The second stage involves delayed definitive plating with autogenous bone graft for the bone defect of the distal fibula. This staged management is useful in select emergency cases of unstable open fracture-dislocations of the ankle combined with deltoid ligament rupture for which conventional ORIF cannot be performed.
Abstract
Unstable fracture-dislocation of the ankle is a common lower extremity injury. Treatment is challenging when the fracture-dislocation is open and cannot be treated with conventional open reduction and internal fixation (ORIF). Immediate ORIF may not be possible for severe, unstable ankle injuries, such as those with ischemic foot due to a poor blood supply caused by soft tissue injury, or open fracture-dislocation of the ankle with a deltoid ligament rupture. We described a staged treatment for unstable open fracture-dislocation of the ankle with a deltoid ligament rupture. The first stage involves temporary vertical transarticular pinning combined with external fixation. The second stage involves delayed definitive plating with autogenous bone graft for the bone defect of the distal fibula. This staged management is useful in select emergency cases of unstable open fracture-dislocations of the ankle combined with deltoid ligament rupture for which conventional ORIF cannot be performed.
Background: With the advent of percutaneous plating techniques and anatomical locking plates, open plating combined with percutaneous plating may be a feasible option to reduce pilon fracture soft-tissue complications. The purpose of this study was to evaluate the outcomes of a combined open and percutaneous plating approach for the treatment of pilon fracture.
Methods: Forty-two consecutive patients treated with a combined open and percutaneous plating approach between March of 2010 and February of 2020 for pilon fracture were reviewed retrospectively. The study population consisted of four female patients and 38 male patients with an average age of 47.5 years (range, 15–71 years). The mean follow-up duration was 25.7 months (range, 12–48 months). The combination of a small anterolateral approach and a small anteromedial approach (or a small direct medial approach) was used in all cases. A small posterolateral approach or a small posteromedial approach was added as necessary.
Results: The average ranges of ankle sagittal motion and hindfoot coronal motion at 1 year postoperatively were 43.3° (range, 30°–60°) and 47.7° (range, 40°–55°), respectively. The mean 1-year postoperative visual analogue scale score and American Orthopaedic Foot and Ankle Society score were 0.90 (range, 0–4.0) and 94.5 (range, 78–100), respectively. All patients except one achieved bony union. The mean time to union (except in the one case of nonunion) was 4.5 months (range, 3–8 months). Minor wound breakdown occurred in five cases using combined approaches, but these eventually healed with local wound care. There were no major soft-tissue complications and no instances of deep infection.
Conclusions: A combined open and percutaneous plating approach is a feasible option for the treatment of pilon fracture. This combined plating technique involving a combination of a small anterolateral approach and a small anteromedial approach (or a small direct medial approach) yielded satisfactory outcomes without major soft-tissue complications.
