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The purpose

There may be a relationship between heart function and the metal ion levels in patients having undergone total hip replacement. The idea is to use results from a clinical cardiac MRI to assess heart function in a sample of 30 patients whom have undergone either metal-on-metal hip replacement (unilateral or bilateral) or a non-metal on metal total hip replacement to determine whether having undergone a metal on metal hip procedure may be impacting heart function. In addition to the clinically used parameters, the images will also be retrospectively assessed using special software to assess amount of fibrosis and early changes affecting cardiac muscle contraction which may be indicative of impaired heart function. With these values we will compare to known, and previously collected, hip replacement and function data to determine whether there is any differences in how the heart works in those having had a hip replacement relative to a normal population.

Provided treatments

  • Other: Cardiac magnetic resonance imaging (CMR)

Locations near you

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Tris trial is registered with FDA with number: NCT02892448. The sponsor of the trial is Ottawa Hospital Research Institute and it is looking for 35 volunteers for the current phase.
Official trial title:
Cardiac MRI for Metal on Metal Orthopaedic Prostheses