缺血和再灌注期间心室颤动的主要频率

IF 0.9 4区医学 Q4 MEDICINE, RESEARCH & EXPERIMENTAL

Bulletin of Experimental Biology and Medicine Pub Date : 2024-09-01 Epub Date: 2024-09-28 DOI:10.1007/s10517-024-06228-3

M I Gurianov, E A Kharitonova, P K Yablonsky

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引用次数: 0

摘要

狗心室颤动（VF）的特点是其主要频率在再灌注的第一分钟内迅速增加，然后在再灌注的第二分钟内减少。心房颤动缺血时间越长，再灌注期间心房颤动主导频率的增加幅度就越大。再灌注第 1 分钟的特点是心室颤动缺血 1 分钟后主要心室颤动频率增加 1.2 倍，缺血 2 分钟后增加 1.4 倍，缺血 3 分钟后增加 2 倍，缺血 4 分钟后增加 2.6 倍。在再灌注的第 2 分钟，VF 主导频率下降了 1.1-1.3 倍，在再灌注的第 3-10 分钟，VF 主导频率趋于稳定。

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Dominant Frequency of Ventricular Fibrillation During Ischemia and Reperfusion.

Ventricular fibrillation (VF) in dogs is characterized by a rapid increase in its dominant frequency during the 1st minute of reperfusion followed by its decrease during the 2nd minute of reperfusion. The longer is ischemia in VF, the greater is the increase in dominant VF frequency during reperfusion. The 1st minute of reperfusion is characterized by a 1.2-fold increase in dominant VF frequency after 1-min ischemia in VF, by 1.4-fold increase after 2-min ischemia, by 2-fold increase after 3 min, and by 2.6-fold increase after 4-min ischemia. During the 2nd minute of reperfusion, the dominant VF frequency decreased by 1.1-1.3 times, and during 3rd-10th minutes of reperfusion, the dominant VF frequency is stabilized.

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来源期刊

Bulletin of Experimental Biology and Medicine 医学-医学：研究与实验

CiteScore

1.50

自引率

14.30%

发文量

265

审稿时长

2 months

期刊介绍： Bulletin of Experimental Biology and Medicine presents original peer reviewed research papers and brief reports on priority new research results in physiology, biochemistry, biophysics, pharmacology, immunology, microbiology, genetics, oncology, etc. Novel trends in science are covered in new sections of the journal - Biogerontology and Human Ecology - that first appeared in 2005. World scientific interest in stem cells prompted inclusion into Bulletin of Experimental Biology and Medicine a quarterly scientific journal Cell Technologies in Biology and Medicine (a new Russian Academy of Medical Sciences publication since 2005). It publishes only original papers from the leading research institutions on molecular biology of stem and progenitor cells, stem cell as the basis of gene therapy, molecular language of cell-to-cell communication, cytokines, chemokines, growth and other factors, pilot projects on clinical use of stem and progenitor cells. The Russian Volume Year is published in English from April.