Image quality evaluation of low-dose new orbit CBCT

JRCT ID: jRCTs032220133

Registered date:14/06/2022

Basic Information

• Recruitment status: Complete
• Health condition(s) or Problem(s) studied: Patients undergoing postoperative CBCT examinat ion in neuro-endovascular treatment
• Date of first enrollment: 25/07/2022
• Target sample size: 40
• Study type: Interventional
• Intervention(s): After neuro-endovascular treatment, a new CBCT in low dose mode will be used following the conventional CBCT. (either the new CBCT 70% dose test or the new CBCT 50% dose test will be assigned alternately.)

Outcome(s)

• Primary Outcome: Artifact

Secondary Outcome

detection of cerebral hemorrhage or subarachnoid hemorrhage
brain parenchymal contrast
white matter and gray matter identification

Key inclusion & exclusion criteria

• Age minimum: >= 20age old
• Age maximum: Not applicable
• Gender: Both

Include criteria

1) Cases in which postoperative examination by C BCT was performed after neuro-endovascular treat ment and then consent was given to additional ex amination (about 2 minutes) by CBCT using a new trajectory.
2) Cases aged 20 years or older at the time of consent acquisition

Exclude criteria

1) cases difficult to fix the head during imaging
2) cases of acute stroke
3) pregnant women
4) othrer cases that the investigator or doctors deems inappropriate

Related Information

• Primary Sponsor: Matsumaru Yuji
• Secondary Sponsor: Philips Medical Systems Netherlands B.V.