心率调节对屏气功能测试的适应性反应
- 作者: Deryagina L.E.1, Bulatetsky S.V.2
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隶属关系:
- Moscow University of the Ministry of Internal Affairs of the Russian Federation named after V.Y. Kikot
- Ryazan State Medical University named after academician I.P. Pavlov
- 期: 卷 31, 编号 2 (2024)
- 页面: 135-147
- 栏目: ORIGINAL STUDY ARTICLES
- URL: https://journal-vniispk.ru/1728-0869/article/view/314515
- DOI: https://doi.org/10.17816/humeco630114
- ID: 314515
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理由 从适应理论的角度来看,研究人员对生物体内生物节律的同步性特别感兴趣。
研究目的 揭示在吸气和呼气时任意屏气的测试中心律调节影响的特殊反应。
材料和方法 随机选取 21 名学生作为研究对象,年龄(20.64±1.14)岁,体重(67.19±12.98)公斤,身高(172.29±7.63)厘米,其中男性 9 名,女性 12 名。按照 N.I. Shlyk(2009 年)的分类法,根据心律调节中枢回路或自主回路的主导地位,将所有受试者分为 3 组(I、II、III)。休息五分钟后,在坐姿下使用硬件-软件复合机 “Varicard 3.0 ”进行五次连续心电图登记:1-初始状态;2-吸气时自主屏气;3-静息状态;4-呼气时自主屏气;5-静息状态。心律的数学分析使用硬件和软件复合体 “Varicard 3.0 ”进行;分析中考虑了心律的统计参数和频谱频率分析参数。
分析结果 在对数据进行分析时,我们发现在憋气期间,各组的心律变异性都有所下降,而在静息状态下,心律变异性都有所上升。与此同时,根据频谱分析数据(HF=LF),第一组在憋气测试后的静息状态下出现了痰。该组的统计和时间分析数据表明,副交感神经成分对心率变异性(RMSSD、pNN50、SDNN、CV)的贡献增加,为其放大创造了先决条件。第二组在屏气测试后,交感神经活动略有下降。同时,在憋气呼气试验中观察到自律神经调节紧张的模式,这可能表明调节系统的功能状态有所减弱。第三组的特点是在憋气测试中交感神经活动急剧增加,随后在憋气测试中得到轻微纠正,这可被视为机体对负荷的充分反应。测试结束后休息时,调节模式又恢复到最初的模式,副交感神经活动适度占优势,相应地,机体的心率变异性水平也更高。
结论 心率变异性的适应性反应表现为交感神经激活的增加,随后在正常呼吸过程中被自律神经系统副交感神经部分的补偿性纳入所取代。尽管心率变异性具有单向性,但反应的表现形式因所接受的等级组别而异。
作者简介
Larisa E. Deryagina
Moscow University of the Ministry of Internal Affairs of the Russian Federation named after V.Y. Kikot
Email: lderyagina@mail.ru
ORCID iD: 0000-0001-5522-5950
SPIN 代码: 6606-6628
MD, Dr. Sci. (Medicine), Professor
俄罗斯联邦, MoscowSergey V. Bulatetsky
Ryazan State Medical University named after academician I.P. Pavlov
编辑信件的主要联系方式.
Email: dr_bsv@mail.ru
ORCID iD: 0000-0002-6023-7523
SPIN 代码: 2756-9179
Sergey V. Bulatetsky
俄罗斯联邦, Ryazan参考
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