An initial experience with intraoperative O-Arm for deep brain stimulation surgery: can it replace post-operative...

Area of Science:

• Neurosurgery
• Medical Imaging

Background:

• Deep brain stimulation (DBS) treats movement disorders, psychiatric conditions, and pain.
• Intraoperative neuroimaging, such as the O-Arm system, aids in precise electrode placement.
• Verification of target localization is crucial for DBS efficacy.

Purpose of the Study:

• To evaluate the initial experience with the O-Arm system for planning and intraoperative monitoring of DBS electrode placement.
• To assess the precision and accuracy of the O-Arm system in guiding DBS procedures.

Main Methods:

• A study involving 13 patients with movement disorders undergoing DBS.
• Utilized the O-Arm imaging system and Medtronic StealthStation S7 for planning and electrode placement.
• Analyzed differences between intended and actual electrode coordinates (x, y, z) using statistical tests.

Main Results:

• No statistically significant differences were found between planned and actual electrode coordinates based on intraoperative CT (iCT) scans.
• The O-Arm system demonstrated accurate and precise verification of electrode placements throughout the DBS procedure.
• Findings align with recent studies showing no significant difference between iCT and postoperative MRI.

Conclusions:

• The O-Arm system is a valuable tool for accurate and precise electrode placement verification in DBS surgery.
• Prospective studies are recommended to investigate the potential elimination of postoperative MRI when using the O-Arm system.