J Korean Fract Soc.  2007 Jul;20(3):260-265. 10.12671/jkfs.2007.20.3.260.

Risk Factors of New Compression Fractures in Adjacent Vertebrae after Percutaneous Vertebroplasty

• Kim MH
• Min SH
• Jeon SH

• KMID: 2296827
• DOI: http://doi.org/10.12671/jkfs.2007.20.3.260

Abstract

PURPOSE
To evaluate the risk factors related to the development of new fractures in adjacent vertebrae after vertebroplasty.
MATERIALS AND METHODS
The study was conducted on 46 patients in whom 296 patients were performed during last 9 years. We were especially concerned with the restoration rate of vertebral height and kyphotic angle and estimated them on simple X-ray films.
RESULTS
In patients experienced subsequent vertebral fractures and no subsequent vertebral fractures after vertebroplasty, the mean height restoration rate of treated vertebra were 16.7% and 7.07%, and the kyphotic angle difference were 2.53 degree and 4.2 degree. The greater degree of height restoration of the vertebral body, especially in middle vertebral height and the lesser degree of kyphotic angle difference increased the risk of adjacent vertebral fracture risk. This results were available statistically (all p<0.05, Logistic regression test, SPSS 13.0).
CONCLUSION
It may be thought that the vertebral body height restoration rate will become risk factor of adjacent vertebral fractures.

Keyword

Adjacent vertebral fractures; Vertebroplasty

MeSH Terms

Body Height
Fractures, Compression*
Humans
Logistic Models
Risk Factors*
Spine*
Vertebroplasty*
X-Ray Film

Figure

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  Fig. 1 The method of estimating in vertebral body height restoration rate.

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  Fig. 2 The method of estimating in Kyphotic angle differences. Kyphotic angle difference = p-q.

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  Fig. 3 72 year-old female visited in our hospital because of back pain after vertebroplasty of T12 Without trauma history. (A) Simple radiograph and (B) Magnetic Resonance Image after 6 months since T12 vertebroplasty in local clinic. The large amount of cement augmented in midportion of vertebral body.

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