Conversion to hypertrophic vertebral pseudarthrosis following percutaneous vertebroplasty
Satoshi Kawaguchi, Keiko Horigome, Hideki Yajima, Takashi Oda, Yuichiro Kii, Mitsunori Yoshimoto, Tsuneo Takebayashi, Toshihiko Yamashita
June 2010, Volume 19, Issue 6, pp 901 - 906 Original Article Read Full Article 10.1007/s00586-010-1286-0
First Online: 04 February 2010
To determine the role of percutaneous vertebroplasty (PVP) in bone formation and the union of vertebral pseudarthrosis, we analyzed 14 patients with an average follow-up duration of 21 months. Evaluation methods included back pain (visual analog scale: VAS), wedge angle, dynamic mobility, radiographic remodeling including callus and spur formation, and union status. The Student's t test was used for statistical analysis and a probability of less than 0.05 was determined as a significant difference. Back pain improved in all 14 patients with a VAS score of 57.8 ± 23.5 mm (average ± standard deviation) preoperatively and 14.7 ± 16.4 mm at the final follow-up (P
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