Low-dose intraoperative CT imaging does not reduce pedicle screw accuracy in spinal fusion
Radiation dose reduction in thoracic and lumbar spine instrumentation using navigation based on an intraoperative cone beam CT imaging system: a prospective randomized clinical trialEur Spine J. 2017 Nov;26(11):2818-2827
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50 patients scheduled for instrumented posterior thoracic or lumbar fusion surgery were randomized to intraoperative CT acquisition using either a low-dose protocol or high-dose protocol. Patients were assessed for correct pedicle screw placement using the Gertzbein and the Heary classifications, as well as radiation exposure using dosimeters. Rate of correct pedicle screw placement was significan...
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