Abstract

Background T1-mapping using the Shortened Modified Look-Locker Inversion Recovery (ShMOLLI) technique [1] enables assessment of myocardial characteristics, such as oedema, scar and diffuse fibrosis. However, cardiac pathology is often accompanied by tachyarrhythmia, which may cause mistriggering and inaccurate T1 estimation. We hypothesised that systolic T1-mapping may overcome this issue without significantly affecting T1 values or data quality compared to conventional diastolic T1-mapping.

Highlights

  • T1-mapping using the Shortened Modified Look-Locker Inversion Recovery (ShMOLLI) technique [1] enables assessment of myocardial characteristics, such as oedema, scar and diffuse fibrosis

  • In keeping with the results of previous MOLLI-based studies [2,3], there was a trend towards lower T1 values in systole compared with diastole

  • Absolute differences were very small, comparing favourably with the ~2% overall variability of ShMOLLI T1 values [1,4]

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Summary

Introduction

T1-mapping using the Shortened Modified Look-Locker Inversion Recovery (ShMOLLI) technique [1] enables assessment of myocardial characteristics, such as oedema, scar and diffuse fibrosis. Cardiac pathology is often accompanied by tachyarrhythmia, which may cause mistriggering and inaccurate T1 estimation. We hypothesised that systolic T1-mapping may overcome this issue without significantly affecting T1 values or data quality compared to conventional diastolic T1-mapping

Methods
Results
Conclusion

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