在患有重大抑郁症的年轻成年人中,交感和血压反应性
Ashley M Darling1, Benjamin E Young2, Rachel J Skow1
1Department of Kinesiology, The University of Texas at Arlington, Arlington, TX, United States of America.
Journal of affective disorders
|June 19, 2024
概括
患有严重抑郁症 (MDD) 的年轻人不会表现出过度的同情或血压 (BP) 应激反应. 然而,MDD的症状严重程度增加可能会增加血压反应性,从而可能增加心血管疾病的风险.
科学领域:
- 心血管生理学心血管生理学
- 神经科学是一个神经科学.
- 精神病学是一个精神病学.
背景情况:
- 重度抑郁症 (MDD) 与心血管疾病 (CVD) 风险增加有关,可能是由于对压力的交感和血压 (BP) 反应过度.
- 目前尚不清楚,没有其他疾病的MDD的年轻人是否表现出类似的过度应激反应.
- 这项研究调查了同情神经活动 (MSNA) 和BP对MDD和没有MDD的年轻成年人急性压力的反应.
研究的目的:
- 为了确定与健康对照人群相比,患有MDD的年轻人是否表现出较高的肌肉交感神经活动 (MSNA) 和血压 (BP) 对急性压力的反应性.
- 为了检查MDD症状严重程度和MSNA/BP应激反应之间的关系.
主要方法:
- 招募了28名健康成年人 (HA) 和39名未服用药物的MDD轻度至中度的年轻人.
- 在休息状态下和冷压器测试 (CPT) 和Stroop彩色词试验 (SCWT) 期间测量节拍BP和MSNA (微神经图).
主要成果:
- 在HA和MDD组之间休息时的MSNA没有显著差异.
- 无论是MSNA还是BP对CPT或SCWT的反应性,两组之间都没有显著差异.
- 在MDD组中,较大的症状严重程度与CPT的BP反应性增加有关,但与MSNA反应性无关.
结论:
- 患有轻度至中度MDD的年轻人不会表现出过度的同情或BP压力反应.
- 较高的MDD症状严重程度可能与放大BP应激反应性有关,可能导致心血管疾病风险升高.
- 这些发现突出了抑郁症严重程度和心血管应激反应之间的微妙关系.
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