Patients undergoing diagnosis of unruptured aneurysms
Conditions
Interventions
Diagnosis of unruptured aneurysms using angiography equipment
DSA (F/L) and 3DRA using undiluted contrast medium followed by additional identical imaging using diluted contrast medium, respectively.
Sponsors
Matsumaru Yuji
Philips Medical Systems Netherlands B.V.
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1) Patients consenting to treatment/diagnosis of unruptured aneurysm, DSA (F/L) imaging with conventional contrast and 3DRA imaging with additional diluted contrast. 2) Patients who have been informed of the study and who have given written consent of their own free will after full understanding of the study. 3) Male and female patients aged 18 years or older at the time of consent.
Exclusion criteria
Exclusion criteria: 1) Patients with giant aneurysms (>25 mm diameter) 2) Patients with renal dysfunction or suspected renal dysfunction (eGFR <60) 3) Pregnant women or women of childbearing potential 4) Other patients deemed inappropriate by the principal investigator/associate investigator
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Verification of non-inferiority of 50% diluted contrast agent image quality over undiluted contrast agent image quality in cerebral angiography (DSA and 3DRA) | — |
Secondary
| Measure | Time frame |
|---|---|
| Non-inferiority verification of the ability to visualize cerebral microvessels (target vessels for each imaging) DSA: ICA, MCA, perforator, specific veins 3DRA: Extraction of perforator, Acom, Pcom, Ant. choroidal arterynoids | — |
Contacts
Public ContactHisayuki Hosoo
University of Tsukuba Hospital
Outcome results
None listed