Παρασκευή 21 Οκτωβρίου 2016

Are pedicle screw perforation rates influenced by distance from the reference frame in multi-level registration using a CT-based navigation system in the setting of scoliosis?

Pedicle screw fixation is commonly employed for the surgical correction of scoliosis but carries a risk of serious neurovascular or visceral structure events during screw insertion. To avoid these complications, we have been using a computed tomography (CT)-based navigation system during pedicle screw placement. As this could also prolong operation time, multi-level registration for pedicle screw insertion for posterior scoliosis surgery was developed to register 3 consecutive vertebrae in a single time with CT-based navigation.

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