Non-Contrast Magnetic Resonance Angiography Assessment of Patients Referred for Transcatheter Aortic Valve Implantation

Can Non-Contrast Magnetic Resonance Angiography Accurately Define Arterial Access and Aortic Root Anatomy in Patients Referred for Transcatheter Aortic Valve Implantation?

Status

Terminated

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT02007967

Enrollment

Registered

2013-12-11

Start date

2013-12-31

Completion date

2014-01-31

Last updated

2016-12-22

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

Conditions

Aortic Valve Stenosis

Brief summary

The overall objective of this proposal is to examine the feasibility and accuracy of non-contrast magnetic resonance angiography (MRA) to comprehensively evaluate individuals referred for transcatheter aortic valve implantation (TAVI).

Interventions

None listed

Study design

Observational model

COHORT

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

ALL

Healthy volunteers

Inclusion criteria

* Adults with severe aortic stenosis referred for possible transcatheter aortic valve implantation with clinically indicated computed tomography imaging

Exclusion criteria

* Inability or unwillingness to consent * Inability to complete magnetic resonance imaging (MRI) study * Contraindication to MRI * Participation in another research study * Non-diagnostic computed tomography scan

Design outcomes

Primary

Measure	Time frame	Description
Minimal luminal size for aorta and ileofemoral arteries	3 hours	Compare luminal diameter for each segment of the ileofemoral arteries and aorta between MRI and CT

Secondary

Measure	Time frame	Description
Graded image quality	3 hours	Compare graded image quality for ileofemoral arteries, aorta, and aortic annulus between MRI and CT
Annular size	3 hours	Compare annular diameter, area, and perimeter between MRI and CT

Countries

United States

Outcome results