Arrhythmias & electrophysiology
Impact of wideband cardiac magnetic resonance on diagnosis, decision-making and outcomes in patients with implantable cardioverter defibrillators
Authors' conclusion
The clinical yield from LGE CMR is high and provides management changing and meaningful prognostic information in a significant proportion of patients with ICDs.
Study context
- Population
- Patients with an ICD undergoing wideband late gadolinium enhancement (LGE) cardiac magnetic resonance (CMR) (age 59 ± 13 years, 75% male)
- Participants
- 179 patients
- Exposure
- LGE vs no LGE on wideband CMR
- Outcome
- Clinical yield of CMR
Methodological detailsconsecutive patients
- Consecutive patients
Main finding
As reported in the abstract
New or changed diagnosis
64
36%
Impact on clinical management
51
28%
Observational data: associations, not effects.
Further findings
| Outcome | P value |
|---|---|
| MACE · median 1.7 yearsWorse outcomes with LGE | P = 0.006 |
- MACE — MACE overall
- 77 (43%)
- MACE — MACE in patients with LGE
- 65
Referral indication
- Evaluation of ventricular tachycardia (VT) substrate
- n = 114, 64%
- Cardiomyopathy
- n = 53, 30%
Original publication
Impact of wideband cardiac magnetic resonance on diagnosis, decision-making and outcomes in patients with implantable cardioverter defibrillators. Eur Heart J Cardiovasc Imaging. Published 2 December 2022. doi:10.
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