Abstract
Background Surgical treatment is the mainstay of management in patients having fractures in fused spines. However, these patients also tend to be older and have comorbidities resulting in increased morbidity and mortality with operative management. Therefore, there has been more recent interest in the risks and benefits of nonoperative treatment in these patients. Objective Extension pattern fractures have an intact posterior element hinge resulting in lower risk of translation. Therefore, we wanted to determine the outcome of nonoperative treatment of extension pattern fractures in patients with fused spines. Methods We conducted a retrospective review of all patients with fused spines having extension thoracolumbar fractures without neurologic deficit treated nonoperatively at a University Health Sciences Centre over an 8-year period. Results We had a complete set of data for 14 patients. There was a morbidity rate of 29% and a mortality rate of 14%. All of our patients had a significant positive change in their Cobb angle, indicating closure of the fracture gap without translation in either the sagittal or coronal planes. Remodelling of the fracture lines was found in all 14 patients and in 11 there were also bridging osteophytes across the fracture. No patients developed neurologic deficits. Conclusion By demonstrating the successful healing of extension fractures treated nonoperatively with morbidity and mortality in keeping with that of reports of patients with fused spines managed operatively, we added support to conducting future randomized studies of operative versus nonoperative treatment in this patient population.
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