Height Restoration with Kyphoplasty and vertebroplasty
- a cadaver study
PL Westesson, R Sidhu, A Hiwatashi, DT Piekut, R De Guzman, R Lee
University of Rochester
New York
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Purpose
Compare height restoration with
Vertebroplasty and Kyphoplasty in a cadaver model
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Materials
17 vertebral bodies from donated cadavers
(7 Lumbar and 10 thoracic) Average age 82 years
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Initial height CT and Radiograph
Compression fractures CT and Radiograph
Kyphoplasty or vertebroplasty CT and Radiograph
Methods
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Compression technique
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Vertebroplasty n=9
Initial 23 mm
Fracture
17 mm Treatment
20 mm
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Kyphoplasty n=8
Initial 24 mm
Fracture
18 mm Treatment
22 mm
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Results vertebral body height
Initial Fracture Treatment Increase Restoration (mm) of initial
height (%)
Vertebroplasty 23 17 20 2.6 87% Kyphoplasty 24 18 22 4.2 92%
•! P>0.05
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Vertebroplasty 87%
Kyphoplasty 92%
P>0.05 Presentation material for educational purposes only. All rights reserved. ©2003 URMC Radiology Page 9 of 10
Conclusion
No statistically significant difference in height restoration (87% vs 92%)
Larger material is in progress Clinical studies
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