Lymphatic Morphology of Fontan Patients

Status Completed

Clinical Trial Summary

Clinical Trial Description

The Fontan procedure has revolutionized the treatment of patients born with a congenital univentricular heart defect. However, over time, it is associated with severe lymphatic complications such as plastic bronchitis, protein-losing enteropathy (PLE) and peripheral edema. It has been proposed that these complications arise due to a elevated central venous pressure of the changed circulation. The hypothesis of the study is that patients with a univentricular circulation have a changed morphology which may be associated with both the degree of lymphatic complications and their physical capacity. The morphology will be described using T2-weighted non-contrast MRI. The main lymphatic vessel, the thoracic duct, will be rendered and measured using 3D software, and the lymphatic changes characterized by Dr. Yoav Dori (CHOP, Pennsylvania, USA), using a newly published grading system. The above will be correlated with the amount of complications experienced by the patients, and their physical capacity measured by both IPAQ questionaire and CPX test. The study population consists of patients with a Fontan circulation operated at InCor Heart Institute, São Paulo, Brasil and Hospital das Clínicas, Ribeirão Preto, Brasil. Exclusion criteria were mental illness, genetic syndromes and age <18 years. The patient group will be compared with age, gender and weight matched healthy controls. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04163653
Study type	Observational
Source	University of Aarhus
Contact
Status	Completed
Phase
Start date	January 1, 2018
Completion date	January 1, 2022

View Details

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.