A neuroimaging biomarker for sustained experimental and clinical pain.

A neuroimaging biomarker for sustained experimental and clinical pain.
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DOI:
10.1038/s41591-020-1142-7
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发表时间:
2021-01
期刊:
影响因子:
82.9
通讯作者:
Woo CW
Woo CW
中科院分区:
医学1区
文献类型:
--
作者:
Lee JJ;Kim HJ;Čeko M;Park BY;Lee SA;Park H;Roy M;Kim SG;Wager TD;Woo CW

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持续疼痛是临床疼痛疾病的一个主要特征,但很难脱离患者同时发生的认知和情绪特征来进行评估。在这项研究中,我们开发了一种基于全脑功能连接的功能磁共振成像特征,可跟踪实验诱发的强直性疼痛强度,并在六项研究(总计 n = 334)中测试其对临床疼痛的敏感性、特异性和普遍性。在三项关于口面部强直性疼痛和厌恶味觉的独立研究中,该特征显示出对强直性疼痛的高度敏感性和特异性。它还预测了临床疼痛的严重程度,并对两项临床腰痛的独立研究中的患者与对照组进行了分类。强直性疼痛和临床疼痛表现出相似的网络水平表征,特别是在躯体运动、额顶和背侧注意网络中。这些模式与实验阶段性疼痛的表现不同。这项研究确定了一种持续疼痛的大脑生物标志物,具有很高的临床转化潜力。
Sustained pain is a major characteristic of clinical pain disorders, but it is difficult to assess in isolation from co-occurring cognitive and emotional features in patients. In this study, we developed a functional magnetic resonance imaging signature based on whole-brain functional connectivity that tracks experimentally induced tonic pain intensity and tested its sensitivity, specificity and generalizability to clinical pain across six studies (total n = 334). The signature displayed high sensitivity and specificity to tonic pain across three independent studies of orofacial tonic pain and aversive taste. It also predicted clinical pain severity and classified patients versus controls in two independent studies of clinical low back pain. Tonic and clinical pain showed similar network-level representations, particularly in somatomotor, frontoparietal and dorsal attention networks. These patterns were distinct from representations of experimental phasic pain. This study identified a brain biomarker for sustained pain with high potential for clinical translation.
人脑网络组图谱:基于连接架构的新大脑图谱
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