Follow-up of Endovascular Aneurysm Treatment - The FEAT Trial
Summary
After endovascular abdominal aortic aneurysm repair, life-long follow-up is needed to monitor the effectiveness of exclusion of the aneurysm sac from blood flow. For this reason, aneurysm diameter and the presence of endoleaks is evaluated with CT angiography yearly after Endovascular Aneurysm Repair (EVAR).
The aim of this study is to investigate the value of MRA examinations for the follow-up of these patients. The advantages of MRA with respect to CTA are no use of ionizing radiation, use of less nephrotoxic contrast agents.
Description
The FEAT trial (Follow-up of Endovascular Aneurysm Treatment) is designed as a prospective, single-center, follow-up study. 100 Patients will be enrolled in this study. These patients will undergo additional MRA-examinations the day before EVAR, the day after EVAR, 6 months and 1 year after EVAR. These patients also participate in the conventional CTA follow-up scheme which comprises a pre- and post-operative CTA and a CTA yearly thereafter. Coagulation parameters in the blood will be measured before and 1 year after EVAR.
Study Design
Observational Model: Cohort, Time Perspective: Prospective
Conditions
Aortic Aneurysm, Abdominal
Intervention
Computed Tomography Angiography, Magnetic Resonance Angiography
Location
UMC Utrecht
Utrecht
Netherlands
3584 CX
Status
Active, not recruiting
Source
UMC Utrecht
Results (where available)
Links
- Source: http://clinicaltrials.gov/show/NCT00281411
- Information obtained from ClinicalTrials.gov on July 15, 2010
Medical and Biotech [MESH] Definitions
Magnetic Resonance Angiography
Non-invasive method of vascular imaging and determination of internal anatomy without injection of contrast media or radiation exposure. The technique is used especially in CEREBRAL ANGIOGRAPHY as well as for studies of other vascular structures.
Anatomy, Cross-sectional
Descriptive anatomy based on three-dimensional imaging (IMAGING, THREE-DIMENSIONAL) of the body, organs, and structures using a series of computer multiplane sections, displayed by transverse, coronal, and sagittal analyses. It is essential to accurate interpretation by the radiologist of such techniques as ultrasonic diagnosis, MAGNETIC RESONANCE IMAGING, and computed tomography (TOMOGRAPHY, X-RAY COMPUTED). (From Lane & Sharfaei, Modern Sectional Anatomy, 1992, Preface)
Magnetic Resonance Spectroscopy
Spectroscopic method of measuring the magnetic moment of elementary particles such as atomic nuclei, protons or electrons. It is employed in clinical applications such as NMR Tomography (MAGNETIC RESONANCE IMAGING).
Tomography, Spiral Computed
Computed tomography where there is continuous X-ray exposure to the patient while being transported in a spiral or helical pattern through the beam of irradiation. This provides improved three-dimensional contrast and spatial resolution compared to conventional computed tomography, where data is obtained and computed from individual sequential exposures.
Cone-beam Computed Tomography
Computed tomography modalities which use a cone or pyramid-shaped beam of radiation.
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