Atrial FDG Uptake: Etiologies, Clinical Significance, and Implications.

IF 3.1 3区医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS

Current Cardiology Reports Pub Date : 2025-01-15 DOI:10.1007/s11886-024-02166-8

Julie Lanctôt-Bédard, Hassan Bachir Melhem, Francois Harel, Matthieu Pelletier-Galarneau

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Abstract

Purpose of review: This review aims to explore the clinical significance of atrial fluorodeoxyglucose (FDG) uptake observed in positron emission tomography (PET) scans, focusing on its association with atrial fibrillation (AF), cardiac sarcoidosis, and myocarditis. We discuss the implications of atrial uptake for patient management and prognosis.

Recent findings: Recent studies have demonstrated that atrial FDG uptake is frequently present in patients with AF, particularly those with persistent AF, and is linked to increased risks of stroke and poorer outcomes after ablation. In cardiac sarcoidosis, atrial uptake correlates with inflammation and an elevated risk of AF. Additionally, non-granulomatous myocarditis has been associated with localized atrial FDG uptake, necessitating careful differentiation from other causes. : Atrial FDG uptake reflects underlying pathological processes such as inflammation, which can significantly impact patient management and outcomes across various cardiovascular diseases. Recognizing these findings can facilitate early intervention, improve prognosis, and support the development of clear guidelines for clinical practice, emphasizing the need for continued research in this area.

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心房 FDG 摄取：病因、临床意义和影响。

综述目的：本综述旨在探讨正电子发射断层扫描（PET）观察到的心房氟脱氧葡萄糖（FDG）摄取的临床意义，重点讨论其与心房颤动（AF）、心脏结节病和心肌炎的关系。我们讨论心房摄取对患者管理和预后的影响。最近的发现：最近的研究表明，房颤患者，特别是持续性房颤患者，心房FDG摄取经常出现，并与卒中风险增加和消融后预后较差有关。在心脏结节病中，心房摄取与炎症和房颤风险升高相关。此外，非肉芽肿性心肌炎与局限性心房FDG摄取有关，需要与其他原因仔细区分。心房FDG摄取反映了潜在的病理过程，如炎症，这可以显著影响各种心血管疾病的患者管理和结果。认识到这些发现可以促进早期干预，改善预后，并支持制定明确的临床实践指南，强调在这一领域继续研究的必要性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Current Cardiology Reports CARDIAC & CARDIOVASCULAR SYSTEMS-

CiteScore

6.20

自引率

2.70%

发文量

209

期刊介绍： The aim of this journal is to provide timely perspectives from experts on current advances in cardiovascular medicine. We also seek to provide reviews that highlight the most important recently published papers selected from the wealth of available cardiovascular literature. We accomplish this aim by appointing key authorities in major subject areas across the discipline. Section editors select topics to be reviewed by leading experts who emphasize recent developments and highlight important papers published over the past year. An Editorial Board of internationally diverse members suggests topics of special interest to their country/region and ensures that topics are current and include emerging research. We also provide commentaries from well-known figures in the field.