在高血压患者最大自发通风期间的神经呼吸驱动:一个病例对照研究
Andressa V S O N Cavalcante1, Jéssica Danielle Fonseca2, Helen Rainara Araujo Cruz3
1Faculdade de Ciências da Saúde do Trairi (FACISA), Programa de Pós-Graduação em Ciências da Reabilitação, Santa Cruz, Rio Grande do Norte, Brazil.
PloS one
|June 11, 2024
概括
与健康个体相比,患有高血压的个体在平静呼吸和最大通风期间都表现出较高的神经呼吸驱动力 (NRD). 这一发现表明,高血压患者的呼吸道肌肉有潜在的不平衡.
科学领域:
- 呼吸系统生理学 呼吸系统生理学
- 心血管健康 心血管健康
背景情况:
- 神经呼吸驱动 (NRD) 反映神经输出到呼吸肌肉.
- 横侧肋间肌肉活动可以作为隔膜活动和呼吸负荷的代理.
- 高血压是一种普遍的疾病,可能会对呼吸功能产生影响.
研究的目的:
- 研究和比较高血压患者与健康对照者的神经呼吸驱动 (NRD).
- 在安静呼吸和最大自愿通风 (MVV) 期间评估NRD.
主要方法:
- 非侵入性电肌图记录副侧肋间肌肉以测量NRD.
- 包括17名高血压患者和17名健康对照.
- 协议涉及安静的呼吸,最大的吸入压力和MVV测量.
- 使用未配对的t-试验或曼-惠特尼试验进行统计分析,显著程度为p<0.05.
主要成果:
- 与对照人群相比,高血压患者在静静呼吸 (17.9±1.3%与13.1±0.8%,p=0.0006) 和MVV (29.3±2.7%与18.3±0.8%,p<0.0001) 期间显示显著更高的NRD (EMGpara%).
- 高血压患者在静静呼吸 (320±25比205.7±15,p=0.0004) 和MVV (3140±259.4比1886±73.1,p<0.0001) 期间也表现出较高的神经呼吸驱动指数 (NRDi).
结论:
- 患有高血压的个体在休息和最大呼吸努力期间都表现出神经呼吸驱动力的增加.
- 在高血压中NRD升高可能表明呼吸道肌肉负载能力平衡发生变化.
- 这些发现突显了高血压和呼吸系统调节之间的潜在联系.
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