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

Myung-Ho Kim; Sang-Hyuk Min; Suk-Ha Jeon

doi:10.12671/jkfs.2007.20.3.260

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Kim, Min, and Jeon: Risk Factors of New Compression Fractures in Adjacent Vertebrae after Percutaneous Vertebroplasty

Original Article

Journal of the Korean Fracture Society 2007; 20(3): 260-265.

Published online: 14 June 2016

DOI: https://doi.org/10.12671/jkfs.2007.20.3.260

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

Myung-Ho Kim, Sang-Hyuk Min, Suk-Ha Jeon

Department of Orthopedic Surgery, Dankook University College of Medicine, Cheonan, Korea.

Address reprint requests to: Sang-Hyuk Min, M.D. Department of Orthopaedic Surgery, Dankook University Medical Center, 16-5, Anseo-dong, Cheonan 330-715, Korea. Tel: 82-41-550-395, Fax: 82-41-550-3950, osmin71@naver.com

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.

Keywords: Adjacent vertebral fractures, Vertebroplasty

Figures and Tables

Fig. 1

The method of estimating in vertebral body height restoration rate.

Fig. 2

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

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.

Table 1

The comparison between subsequent fractures group & no subsequent fractures group

Table 2

The distance from previous treated vertebra to adjacent new fracture

Table 3

The statistic analysis using Logistic regression test (SPSS13.0)

Table 4

The statistic analysis using Pearson correlation analysis (SPSS 13.0)

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