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Exercise Physiology in Patients With Aortic Aneurysm and Its Correlation With Mechanical Properties of Aortic Tissue

The Cleveland Clinic · NCT06789809

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Opens the official ClinicalTrials.gov record, with the study team’s contacts. Bored Studies doesn’t enroll anyone.

Key facts

Compensation
Not posted. Ask the study team before screening.
Who can join
Ages 18+ · All sexes
Healthy volunteers
Accepted
Study type
Interventional · Not applicable
Target enrollment
35
US sites recruiting
1
Study start
November 23, 2023
Record last updated
January 2, 2026

Status re-checked against ClinicalTrials.gov within the last 12 hours.

What the study is about

Aortic aneurysm patients benefit from exercise yet patients and physicians do not know a safe level. Cardiac MRI (CMR) is the most comprehensive imaging modality for phenotypic evaluation of patients with cardiac disease but it has not been used to study aneurysm patients. The purpose of this project is use exercise CMR to understand regional aortic function and quantify aortic elasticity in these populations while exercising. This project will correlate the exercise CMR data with the biomechanical properties of the patient's aortic tissue, including epiaortic ultrasound and TEE performed during aortic repair, and explanted aortic specimens subjected to ex vivo uniaxial tensile testing. Correlating this data with aortic response to exercise will allow us to understand how aortic size, in vivo circumferential strain values, ex vivo aortic efficiency and mechanical failure all relate to exercise physiology.

Being studied: Exercise MRI

Conditions: Aortic Aneurysm

Eligibility criteria

Copied from the official record. The study team makes the final decision at screening.

Show full criteria

Inclusion Criteria

  • Healthy controls for baseline comparison
  • Must be 18 years or older
  • No history of cardiovascular disease, neither hypertension, diabetes nor hypercholesterolemia
  • Aneurysm patients who have not yet been operated on but are currently being monitored
  • Must be 18 years or older
  • No history of operation for aortic aneurysm
  • Pre-operative aneurysm patients: imaged pre-operatively and 12 months
  • Patients admitted at the CCF cardiothoracic services for elective surgery due to aortic aneurysms
  • Must be 18 years or older

Exclusion Criteria

For all patients

  • Contra-indication for MRI
  • Heart pacemaker/defibrillator.
  • Electronic/implanted stimulators or devices, including deep brain stimulator, vagus nerve stimulator, bladder stimulator, spine stimulator, neurostimulators; implanted electrodes or wires.
  • Cochlear implant or other ear implants.
  • Implanted drug pumps (insulin, narcotic/pain medications, drugs to treat spasticity).
  • Programmable shunt.
  • Aneurysm clips and coils.
  • Stents (not located in heart).
  • Filters (for example, blood clot filters).
  • Metal fragment in your body or eye (eg, BBs, bullets, shrapnel, metal pieces or shavings).
  • Congenital heart diseases such as patent ductus arteriosus, coarctation of aorta, ASD and VSD
  • Presence of A-V fistula or intracardiac shunts
  • Moderate or severe dysfunction in multiple valves
  • Patients with significant claustrophobia
  • Patients unable to pedal a supine bicycle
  • Those who require supplemental oxygen

Specific Exclusion Criteria

  • Healthy controls for baseline comparison
  • Excluded if using cardioprotective medication
  • Have a bicuspid aortic valve diagnosed using MRI
  • Pre-operative aneurysm patients: imaged pre-operatively and at 12 months a. Patients with traumatic aortic rupture

Recruiting US locations

Study contacts (from the official record)

  • Jonathan Putnam · 740-701-8226 · putnamj2@ccf.org
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Exercise Physiology in Patients With Aortic Aneurysm and Its… (NCT06789809) | Bored Studies