期刊
JOURNAL OF BIOMEDICAL RESEARCH
卷 37, 期 4, 页码 230-254出版社
NANJING MEDICAL UNIV
DOI: 10.7555/JBR.36.20220125
关键词
heart; vessels; infarct size; arrhythmias; chronic hypoxia
Acute myocardial infarction (AMI) and sudden cardiac death (SCD) are leading causes of adult death in economically developed countries. Chronic hypoxia has both positive and adverse effects on the cardiovascular system. This review provides a comprehensive analysis of the cardioprotective effect of chronic hypoxia and its potential for developing new therapeutic approaches for AMI and SCD.
The acute myocardial infarction (AMI) and sudden cardiac death (SCD), both associated with acute cardiac ischemia, are one of the leading causes of adult death in economically developed countries. The development of new approaches for the treatment and prevention of AMI and SCD remains the highest priority for medicine. A study on the cardiovascular effects of chronic hypoxia (CH) may contribute to the development of these methods. Chronic hypoxia exerts both positive and adverse effects. The positive effects are the infarct-reducing, vasoprotective, and antiarrhythmic effects, which can lead to the improvement of cardiac contractility in reperfusion. The adverse effects are pulmonary hypertension and right ventricular hypertrophy. This review presents a comprehensive overview of how CH enhances cardiac tolerance to ischemia/reperfusion. It is an indepth analysis of the published data on the underlying mechanisms, which can lead to future development of the cardioprotective effect of CH. A better understanding of the CH-activated protective signaling pathways may contribute to new therapeutic approaches in an increase of cardiac tolerance to ischemia/reperfusion.
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