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副交感主导降低胆道血流速度用激光斑点流图测量

Fuka Kuwahara¹, Yuki Hashimoto¹, Natsumi Toh¹

¹Department of Orthoptics, Fukuoka International University of Health and Welfare, Fukuoka, JPN.

|November 29, 2023

概括

在健康的眼睛中,浸泡在温暖的水中会暂时降低胆道血流速度. 这种效应由副交感活动介导,在10分钟内正常化,为视网膜疾病管理提供了洞察力.

科学领域:

眼科医生眼科眼科
心血管生理学心血管生理学
医学热图学医学热图学

背景情况:

胆道血流对于视网膜健康至关重要.
温水浸泡可以影响全身和眼部的血液动力学.
了解这些影响对于管理视网膜血管疾病至关重要.

研究的目的:

在健康人群中,在40°C的温水浸泡后,使用激光斑点流图 (LSFG) 调查胆道血液流速的变化.
评估温水浸泡对眼睛和全身循环参数的影响.

主要方法:

在23名健康志愿者的右眼中,通过LSFG评估平均模糊率 (MBR).
测量眼内压力 (IOP),血压 (SBP,DBP,MBP),眼 perfusion 压力 (OPP) 和 MBR 在基线和浸泡后 (0,10,20,30分钟).

主要成果:

在浸泡后立即,SBP,DBP,MBP和OPP下降,MBR显示显著下降 (-6.0 ±5.2%).
这些参数在浸泡后10分钟正常化.
在MBR和全身循环参数 (SBP,DBP,MBP,OPP) 之间发现了显著的正相关性.

结论:

在40°C的温水中浸泡会诱导副交感活动,减少全身循环和黄斑冠状动脉血流.
这些血液动力学变化在10分钟内正常化.
这些发现可能会为涉及同情性过活性的视网膜胆道性疾病的预防和治疗策略提供信息.

关键词:

冠状动脉循环血液动力学激光斑点流图是指激光斑点的流图.平均模糊率是指平均模糊率.寄同情活动的寄同情活动.温水浸泡浸泡方式

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