CMR examinations were conducted with a Philips 1.5-Tesla Achieva whole-body scanner (Philips Healthcare) equipped with a 16-element phased-array cardiac coil. At all time points, the imaging protocol included a standard segmented cine steady-state free-precession sequence to provide high-quality anatomic references; a T2-weighted short-tau triple inversion-recovery (T2W-STIR) sequence to assess the extent of edema and intramyocardial hemorrhage (IMH); and a T2-gradient-spin-echo mapping sequence to provide precise myocardial T2 relaxation time properties.16 (link) On day 7 and day 40 CMR, LGE imaging was performed to assess infarct size and microvascular obstruction (MVO), using a T1-weighted inversion recovery turbo field echo sequence acquired 10 to 15 minutes after intravenous administration of 0.20 mmol gadobutrol contrast agent per kg body weight.
Protocol detail
Cardiac MRI for Myocardial Infarction
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Body
Body weight
Cardiac
Contrast agent
Echo
Edema
Examinations
Gadobutrol
Hemorrhage
Infarct
Intravenous administration
Inversion
Myocardial
Corresponding Organization :
Other organizations : Spanish National Centre for Cardiovascular Research, Centro de Investigación en Red en Enfermedades Cardiovasculares
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Variable analysis
independent variables
- Time points (day 7 and day 40)
- Infarct size
- Microvascular obstruction (MVO)
- Extent of edema
- Intramyocardial hemorrhage (IMH)
- Myocardial T2 relaxation time properties
- Philips 1.5-Tesla Achieva whole-body scanner
- 16-element phased-array cardiac coil
- Segmented cine steady-state free-precession sequence
- T2-weighted short-tau triple inversion-recovery (T2W-STIR) sequence
- T2-gradient-spin-echo mapping sequence
- T1-weighted inversion recovery turbo field echo sequence
- Intravenous administration of 0.20 mmol gadobutrol contrast agent per kg body weight
- No positive or negative controls were explicitly mentioned in the provided information.
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