Purpose
This study examined the risk factors contributing to subsequent hip fractures in patients with osteoporotic hip fractures.
Materials and Methods
Between March 2008 and February 2016, 68 patients sustained a subsequent contralateral hip fracture after surgery for a primary osteoporotic hip fracture (Study group). The patients were compared with 475 patients who had been followed up for a minimum of one year with a unilateral osteoporotic hip fracture (Control group). The demographic data, bone mineral density (BMD), osteoporosis medication, osteoporotic fracture history, comorbid disease, type of surgery, preoperative, postoperative ambulatory capacity, and postoperative delirium in the two groups were compared.
Results
The demographic data, BMD, osteoporosis medication history, comorbid disease, type of surgery, and postoperative delirium were similar in the two groups. At three months after the primary surgery, the poor ambulatory capacity was significantly higher in the study group than the control group (p<0.001).
Conclusion
The ambulatory capacity after primary surgery is an important risk factor in the occurrence of subsequent hip fractures after osteoporotic hip fracture. Cause analysis regarding the poor ambulatory capacity after surgery will be necessary, and the development of a functional recovery program and careful management of the walking ability recovery will be needed.
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