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%

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Conclusion

No statistically significant difference in height restoration (87% vs 92%)

Larger material is in progress Clinical studies

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