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分子成像与上腺静脉采样用于检测手术可治愈的初级阿尔多斯特罗尼斯症:一个潜在的患者内试验

Emily Goodchild¹, Xilin Wu¹, Russell Senanayake²

¹Clinical Pharmacology and Precision Medicine, William Harvey Research Institute, Queen Mary University of London; NIHR Barts Cardiovascular Biomedical Research Centre, Barts and The London School of Medicine and Dentistry, Queen Mary University of London; and Department of Endocrinology, St. Bartholomew's Hospital, Barts Health NHS Trust, London, United Kingdom (E.G., X.W., G.A., K.L., Y.-N.L., J.K., W.M.D., M.J.B.).

Annals of internal medicine

|March 3, 2025

概括

使用[11C]metomidate ([11C]MTO) 的正子发射断层扫描 - 计算机断层扫描是一种用于原发性阿尔多斯特隆症 (PA) 的非侵入性诊断工具. 这种分子成像技术是准确的,并且与上腺静脉采样 (AVS) 不逊色,用于预测PA患者的手术结果.

科学领域:

内分泌学在内分泌学.
核医学是一种核医学.
手术瘤学手术瘤学

背景情况:

原发性阿尔多斯顿主义 (PA) 是高血压的一个重要原因.
单侧阿尔多生成腺瘤 (APA) 是PA的手术可治疗的原因.
上腺静脉采样 (AVS) 是诊断单边PA的当前标准,但具有侵入性和技术挑战性.

研究的目的:

为了比较[11C]metomidate正子发射断层扫描-计算机断层扫描 ([11C]MTO PET-CT) 与AVS在预测单边PA手术结果中的准确性.
为了评估[11C]MTO与其同类产品[18F]CETO的可互换性.
评估分子成像的诊断性能,以指导PA的上腺切除术.

主要方法:

[11C]MTO PET-CT和AVS在169名PA患者中的前性患者内部比较.
[18F]CETO PET-CT在最后31名患者中使用.
通过使用国际共识标准,在上腺切除术后6个月和24个月评估了手术结果.

主要成果:

[11C]MTO预测了52.7%的患者的单边PA,而AVS则为46.2%.
[11C]MTO在预测手术后的生化成功方面,比AVS (62.8%) 准确度更高 (71.3%).
[11C]MTO被发现与AVS无差,而[18F]CETO与[11C]MTO达成高度一致.

结论:

[11C]MTO PET-CT是一种准确且非侵入性的AVS替代品,用于诊断单边PA.
分子成像可以有效地指导手术决策,并预测PA患者的结果.
这种方法提供了一种不那么侵入性的方法来识别可以通过手术治愈的PA.

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