Feasibility study of quantitative evaluation of portal blood flow using 4D flow MRI in patients with IVR for portal venous system

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-jRCT1010210040

Enrollment

Registered

2021-10-15

Start date

2021-10-15

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Portal hypertension, bile duct cancer, metastatic liver tumor, hepatocellular carcinoma, etc.

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1) Patients who have undergone or will undergo portal IVR 2) Patients who have had or will have 4D flow MRI before and after treatment (3) Adult patients who are 20 years old or older. 4) Patients who can obtain patient information, imaging findings, blood collection results, treatment details, and clinical symptoms from the database and electronic medical records (5) Patients who have freely and voluntarily consented to participate in this study or who do not refuse to participate in the study

Exclusion criteria

Exclusion criteria: (1) Patients for whom information on treatment cannot be obtained (2) Other patients who are judged by the principal investigator to be inappropriate as research subjects

Design outcomes

Primary

Measure	Time frame
Qualitative and quantitative image quality and the amount of change in 4D flow MRI imaged before and after IVR for portal venous system	—

Contacts

Public ContactDaisuke Abo

Hokkaido university hospital

abodai@med.hokudai.ac.jp+81-11-706-1161

Outcome results