Dynamic bicycle exercise to assess cardiac output at multiple exercise levels during magnetic resonance imaging

Johan Heiberg, Benjamin Asschenfeldt, Marie Maagaard, Steffen Ringgaard

16 Citationer (Scopus)

Abstract

PURPOSE: The aim was to establish a method for performing dynamic exercise during magnetic resonance imaging (MRI) using a slowly increasing workload protocol.

METHODS: An ergometer bicycle with a step-wise, exercise protocol was used. Real-time phase-contrast MRI images of the aorta were obtained at each exercise step.

RESULTS: In total, 40 participants completed the exercise protocol to reach a mean maximum cardiac output of 13.7±3.7l/min and a heart rate of 150±16beats/min at the highest exercise level. Less than 1% of scans were discarded due to poor quality.

CONCLUSIONS: Dynamic, high intensity exercise is feasible during MRI.

OriginalsprogEngelsk
TidsskriftClinical Imaging
Vol/bind46
Sider (fra-til)102-107
Antal sider6
ISSN0730-725X
DOI
StatusUdgivet - 2017
Udgivet eksterntJa

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