P77. Pullout Strength and Screw Removal Safety of Fenestrated Screws with Cement Augmentation

Rahul Chaudhari,Chunhui Wu,Amir Mehbod,Ensor Transfeldt

The Spine Journal（2009）

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摘要

BACKGROUND CONTEXT: Bone cement is widely used in osteoporotic spines to improve fixation strength of pedicle screws. Fenestrated screws have been developed to inject cement after confirming screw positions under fluoroscopy and thus minimizing the risk of screw misalignment and cement leakage.

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关键词

Pedicle Screw Fixation

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