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This study aims to assess the alteration of portal and splanchnic flow using MRI after liver transplantation in patients with splenomegaly or splenic varix.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Liver MRI | Experimental | In this study, MRI refers to phase-contrast 4D flow sequence. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Liver MRI | Diagnostic Test | Liver MRI including 4D flow sequence is performed twice in liver transplantation recipients, before and 1 month-after transplantation. In donor candidates, liver MRI including 4D flow sequence is performed twice in 1-3 weeks to assess repeatability of the technique. |
| Measure | Description | Time Frame |
|---|---|---|
| Portal flow | portal flow measured with MRI (4D flow sequence) | in a month after 2nd MRI |
| Measure | Description | Time Frame |
|---|---|---|
| SMV flow | superior mesenteric vein (SMV) flow measured with MRI (4D flow sequence) | in a month after 2nd MRI |
| Splenic vein flow | splenic vein flow measured with MRI (4D flow sequence) |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Jeong Hee Yoon, MD | Seoul National University Hospital | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Seoul National University Hospital | Seoul | 03080 | South Korea |
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| ID | Term |
|---|---|
| D005355 | Fibrosis |
| ID | Term |
|---|---|
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
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|
| in a month after 2nd MRI |
| splenic varix flow | splenic varix flow measured with MRI (4D flow sequence) only in liver recipients | in a month after 2nd MRI |