Clinical effect of early bisphosphonate treatment for pyogenic vertebral osteomyelitis with osteoporosis: An analysis by the Cox proportional hazard model

The Spine Journal : Official Journal of the North American Spine Society
Jihye KimTae-Hwan Kim

Abstract

Patients with pyogenic vertebral osteomyelitis (PVO) are expected to have an increased risk of bone loss. Therefore, early bisphosphonate therapy would be clinically effective for PVO patients with osteoporosis. This study aimed to investigate the effect of bisphosphonate on clinical outcomes of PVO patients with osteoporosis. A retrospective comparative study. PVO patients with osteoporosis. Four events of interest for Cox proportional hazard model included surgical treatment, recurrence of infection, subsequent fracture of adjacent vertebral bodies, and death. PVO patients were divided into three groups: group A (initiation of bisphosphonate within 6 weeks after PVO diagnosis), group B (initiation of bisphosphonate between 6 weeks and 3 months after PVO diagnosis), and group C (no treatment for osteoporosis). Cox proportional hazard model was used for the four events of interest. A total of 360 PVO patients with osteoporosis were investigated for the four events of interest. Group A had significantly lower hazard ratios for undergoing later (>6 weeks after diagnosis) surgery than group C (p = .014) despite similar occurrences of overall surgery. A significant difference was also observed in the occurrence of subsequent fractu...Continue Reading

Citations

Jun 7, 2021·International Journal of Infectious Diseases : IJID : Official Publication of the International Society for Infectious Diseases·Cornelia Geisler CroneAnne-Mette Lebech

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