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Analysis of Risk Factors for New Vertebral Fracture After Percutaneous Vertebroplasty
Matias Borensztein1, Gaston O Camino Willhuber1, Maria Lourdes Posadas Martinez1
1Hospital Italiano de Buenos Aires, Buenos Aires, Argentina.
Study Design:
Retrospective analysis. Level of evidence III.
Objectives:
Low-energy vertebral compression fractures are an increasing socioeconomic problem among elderly patients. Percutaneous vertebroplasty has been extensively used for the treatment of painful fractures because of its effectiveness. However, some complications have been described; among them, new vertebral compression fractures, whether adjacent or not to the treated vertebra, are commonly reported complications (8% to 52%).
Methods:
We retrospectively analyzed epidemiological and technical variables presumably associated with new vertebral compression fractures. To determine the relationship between new vertebral compression fracture and percutaneous vertebroplasty, 30 patients (study group) with this complication were compared with 60 patients treated with percutaneous vertebroplasty without this condition (control group).
Results:
A higher cement percentage was found in the study group (40.3%) compared with the control group (30.5%). Initial vertebral kyphosis was significantly higher in the first group (15°) compared with the control group (9°). Epidemiological factors were similar in both groups.
Conclusions:
In our study, increased cement percentage injected and a higher kyphosis were associated with new vertebral compression fractures.
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