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儿童状细胞疾病中脑血管反应功能受损,使用扩散相关谱学

Kyle R Cowdrick¹, Mariam Akbar¹, Tisha Boodooram¹

¹Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, 1760 Haygood Drive NE, Atlanta, GA 30322, USA.

Biomedical optics express

|November 29, 2023

概括

在患有状细胞疾病 (SCD) 的儿童中,脑血管反应 (CVR) 受到损害. 扩散相关谱学 (DCS) 非侵入性测量CVR,揭示了与对照组相比,儿科SCD患者的显著缺陷.

科学领域:

神经学神经学
血管生物学血管生物学
儿科血液学儿科血液学

背景情况:

脑血管反应 (CVR) 对于维持大脑平衡至关重要.
在状细胞疾病 (SCD) 中怀疑心血管回路受损,这可能会增加中风风险.
在儿科SCD中需要对CVR进行非侵入性监测.

研究的目的:

用分散相关谱法 (DCS) 来量化SCD儿童的CVR.
为了比较儿科SCD患者和健康对照者之间的CVR.
评估DCS在儿科SCD中常规CVR监测的可行性.

主要方法:

使用扩散相关谱法 (DCS) 进行非侵入性心血管回路测量.
采用简单的喘息动作作为血管扩张刺激.
招募了12名患有SCD的儿童和14名年龄相匹配的对照组.

主要成果:

与对照组 (3.49 [3.00, 4.11] %/mmHg) 相比,SCD儿童的中位心脏回血率明显较低 (2.03 [1.31, 2.44] %/mmHg).
在SCD患者和对照人群之间的CVR差异是统计学上显著的 (p=0.028).

结论:

在患有状细胞疾病的儿童中,CVR明显受损.
DCS提供了一种可行的,非侵入性的方法来评估儿科SCD中的CVR缺陷.
常规的DCS监测可能有助于管理儿科SCD中心血管功能障碍和相关风险.

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