Abstract
Introduction The measurement of myocardial perfusion by magnetic resonance imaging can be confounded by the Dark Rim Artifact (DRA). It appears as signal loss in a rim of pixels in the subendocardium at the boundary between the myocardium and LV blood. It has been shown that the DRA has similar severity in stress and rest perfusion images and occurs most frequently in images acquired with the Steady State Free Precession (SSFP) pulse sequence (1, 2).
Highlights
The measurement of myocardial perfusion by magnetic resonance imaging can be confounded by the Dark Rim Artifact (DRA)
It has been shown that the DRA has similar severity in stress and rest perfusion images and occurs most frequently in images acquired with the Steady State Free Precession (SSFP) pulse sequence (1, 2)
Absolute stress perfusion decreases by -4.2% while rest perfusion increases by 17.6%
Summary
The measurement of myocardial perfusion by magnetic resonance imaging can be confounded by the Dark Rim Artifact (DRA). It appears as signal loss in a rim of pixels in the subendocardium at the boundary between the myocardium and LV blood. It has been shown that the DRA has similar severity in stress and rest perfusion images and occurs most frequently in images acquired with the Steady State Free Precession (SSFP) pulse sequence (1, 2). The purpose of this study is to determine the impact of the DRA on the quantification of absolute stress and rest myocardial perfusion and perfusion reserve using the SSFP pulse sequence
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