Abstract
Background
The localization of myocardial 18F-fluorodeoxyglucose (FDG) uptake affecting long-term clinical outcomes has not been elucidated in patients with corticosteroid-naïve cardiac sarcoidosis (CS).
Objectives
This study sought to investigate the localization of myocardial FDG uptake on positron emission tomography (PET) and myocardial perfusion abnormality to predict adverse events (AEs) for a long-term follow-up in patients with corticosteroid-naïve CS.
Methods
Consecutive 90 patients with clinical suspicion of CS who underwent FDG-PET imaging to assess for inflammation were enrolled. AEs were defined as a composite of sustained ventricular tachycardia (VT), heart transplantation, and all-cause death, which were ascertained by medical records, defibrillator interrogation, and telephone interviews.
Results
Of 90 patients, 42 patients (mean age 62.9 ± 12.0 years; 76.2% females) were confirmed active cardiac involvement. Over a median follow-up of 4.9 years, 15 patients with CS experienced AEs including 6 sustained ventricular tachycardias (VT) and 9 deaths. Cox proportional-hazards model after adjustment for left ventricular systolic dysfunction revealed that FDG uptake in the right ventricle (RV) or basal anterolateral area of the left ventricle (LV) with myocardial perfusion abnormality was predictive of AEs.
Conclusions
FDG uptake in the RV or basal anterolateral area of the LV with myocardial perfusion abnormality provides long-term prognostic risk stratification in patients with corticosteroid-naïve CS.
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Change history
29 July 2021
A Correction to this paper has been published: https://doi.org/10.1007/s12350-021-02740-5
Abbreviations
- LV:
-
Left ventricular
- FDG:
-
18F-fluorodeoxyglucose
- PET:
-
Positron emission tomography
- CS:
-
Cardiac sarcoidosis
- AE:
-
Adverse event
- HbA1c:
-
Glycated hemoglobin
- FFA:
-
Free fatty acid
- ACE:
-
Angiotensin-converting enzyme
- BNP:
-
Brain natriuretic peptide
- NT-pro-BNP:
-
N-terminal pro-BNP
- SUV:
-
Standardized uptake value
- SD:
-
Standard deviation
- COV:
-
Coefficient of variation
- RV:
-
Right ventricular
- Tc-MIBI:
-
99mTechnetium-methoxy-isobutylisonitrile
- SRS:
-
Summed rest score
- JMHW:
-
Japanese Ministry of Health and Welfare
- ICD:
-
Implantable cardioverter defibrillator
- VT:
-
Ventricular tachycardia
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Acknowledgements
We thank Mami Nakayama, Miho Nakao-Kogure, Katsue Shiramizu, Miyuki Nishikata, Yuri Nishino, Makiko Kiyohiro (Kurume University), and Kouichi Nitta (Hitachi Ltd., Tokyo, Japan) for their technical assistance.
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All authors have nothing to disclose regarding the current study.
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The original online version of this article was revised: The original article file and the supplementary material file MOESM2_ESM was published with an incorrect Figure 3A.
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Bekki, M., Tahara, N., Tahara, A. et al. Localization of myocardial FDG uptake for prognostic risk stratification in corticosteroid-naïve cardiac sarcoidosis. J. Nucl. Cardiol. 29, 2132–2144 (2022). https://doi.org/10.1007/s12350-021-02684-w
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DOI: https://doi.org/10.1007/s12350-021-02684-w