S22.0 S32.0
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Patients with an indication for percutaneous dorsal instrumentation of the thoracic/ lumbar spine Written informed consent for the surgical procedure Written informed consent to participate in the study
Exclusion criteria
Exclusion criteria: Patients with lack of capacity to give informed consent Intraoperative conversion from percutaneous to open surgical approach Patients for whom the following equipment is not fully available during the procedure: - Cios Spin C-arm with reference frame (Siemens) - PULSE platform with LessRay software (NuVasive) - Live dosimeter (Raysafe)
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Radiation exposure for surgeon, assistant, OTA, determined by RaySafe live dosimeters (mGy) Radiation dose as dose area product (mGycm²) Fluoroscopy time (s) | — |
Secondary
| Measure | Time frame |
|---|---|
| Assessment of image quality in both groups by independet observers Accuracy of pedicle screw placement assessed by an independent observer in postoperative CT scans | — |
Countries
Germany
Contacts
BG Klinik Ludwigshafen