《中国心血管健康与疾病报告2022》显示,随着我国社会经济的发展,国民生活方式的变化,尤其是人口老龄化及城镇化进程的加速,居民不健康生活方式日益突出,心血管病危险因素对居民健康的影响越加显著,心血管病的发病率仍持续增高,已达3.3...《中国心血管健康与疾病报告2022》显示,随着我国社会经济的发展,国民生活方式的变化,尤其是人口老龄化及城镇化进程的加速,居民不健康生活方式日益突出,心血管病危险因素对居民健康的影响越加显著,心血管病的发病率仍持续增高,已达3.3亿,给居民和社会带来的经济负担日渐加重,已成为重大的公共卫生问题,其死亡占城乡居民总死亡原因的首位,农村为48.00%,城市为45.86%[1]。血管性疾病是累及全身心脏血管(动脉、静脉、微血管)系统的重要疾病。长期以来仅关注传统危险因素(如高血压、糖代谢和血脂代谢异常等)导致血管损伤促使靶器官损害,最终发生不良心血管事件。传统的代谢相关血管健康危险因素的防控并未达到理想状态,忽视了非传统危险因素对血管健康的影响。而针对非传统危险因素的评估管理目前尚无统一标准。我们应在关注传统常规危险因素的同时,关注以往未得到足够重视的或未能被识别的北京血管健康分级(Beijing Vascular Health Stratification,BVHS)状态[2]、睡眠障碍、口腔疾病、精神压力、男性勃起功能障碍和不合理运动等非传统危险因素对血管健康的影响。展开更多
It is well established in experimental animals and Humans that endothelial cells,which cover the luminal surface of all blood vessels,have a pivotal role in the control of vascular homeostasis.The protective effect of...It is well established in experimental animals and Humans that endothelial cells,which cover the luminal surface of all blood vessels,have a pivotal role in the control of vascular homeostasis.The protective effect of endothelial cells is mostly due to their ability to respond to circulating hormones,autacoids,blood-and platelet-derived factors,and also to blood flow by inducing potent vasoprotectivemechanismsincluding predominantlythe formation of nitric oxide(NO),and,often also to some extent,endothelium-derived hyperpolarization,and prostacyclin(PGI2).Besides being a potent vasodilator,NO also effectively prevents platelet activation and has anti-thrombotic and anti-atherosclerotic properties.An endothelial dysfunction characterized by a reduced generation of these endothelium-dependent vasodilator mechanisms associated with vascular oxidative stress and the formation of endothelium-derived contracting factors such as contractile prostanoids is often observed in most types of cardiovascular diseases including hypertension,hypercho⁃lesterolemia,diabetes,and also during physiological ageing in both experimental animals and Humans.Nutrition-derived polyphenols such as those from grapes,tea,cocoa,and berries have been shown to stimulate the endothelial formation of NO by activating the Src/PI3-kinase/Akt-dependent phosphorylation of endothelial NO synthase(eNOS)and to enhance eNOS expression.As a consequence,the active polyphenols will promote a sustained forma⁃tion of NO that contributes to protect the vascular system.Polyphenol-rich products have also been shown to improve an established endothelial dysfunction and to delay the onset of the induction of an endothelial dysfunction in several experimental models of cardiovascular diseases including hypertension and in ageing.Moreover,endothelial senescence characterized by cell cycle arrest and the acquisition of a pro-inflammatory and pro-atherothrombotic phenotype has been identified as an early event promotingthe development of endothelial dysfunc⁃tion.Pr展开更多
文摘《中国心血管健康与疾病报告2022》显示,随着我国社会经济的发展,国民生活方式的变化,尤其是人口老龄化及城镇化进程的加速,居民不健康生活方式日益突出,心血管病危险因素对居民健康的影响越加显著,心血管病的发病率仍持续增高,已达3.3亿,给居民和社会带来的经济负担日渐加重,已成为重大的公共卫生问题,其死亡占城乡居民总死亡原因的首位,农村为48.00%,城市为45.86%[1]。血管性疾病是累及全身心脏血管(动脉、静脉、微血管)系统的重要疾病。长期以来仅关注传统危险因素(如高血压、糖代谢和血脂代谢异常等)导致血管损伤促使靶器官损害,最终发生不良心血管事件。传统的代谢相关血管健康危险因素的防控并未达到理想状态,忽视了非传统危险因素对血管健康的影响。而针对非传统危险因素的评估管理目前尚无统一标准。我们应在关注传统常规危险因素的同时,关注以往未得到足够重视的或未能被识别的北京血管健康分级(Beijing Vascular Health Stratification,BVHS)状态[2]、睡眠障碍、口腔疾病、精神压力、男性勃起功能障碍和不合理运动等非传统危险因素对血管健康的影响。
文摘It is well established in experimental animals and Humans that endothelial cells,which cover the luminal surface of all blood vessels,have a pivotal role in the control of vascular homeostasis.The protective effect of endothelial cells is mostly due to their ability to respond to circulating hormones,autacoids,blood-and platelet-derived factors,and also to blood flow by inducing potent vasoprotectivemechanismsincluding predominantlythe formation of nitric oxide(NO),and,often also to some extent,endothelium-derived hyperpolarization,and prostacyclin(PGI2).Besides being a potent vasodilator,NO also effectively prevents platelet activation and has anti-thrombotic and anti-atherosclerotic properties.An endothelial dysfunction characterized by a reduced generation of these endothelium-dependent vasodilator mechanisms associated with vascular oxidative stress and the formation of endothelium-derived contracting factors such as contractile prostanoids is often observed in most types of cardiovascular diseases including hypertension,hypercho⁃lesterolemia,diabetes,and also during physiological ageing in both experimental animals and Humans.Nutrition-derived polyphenols such as those from grapes,tea,cocoa,and berries have been shown to stimulate the endothelial formation of NO by activating the Src/PI3-kinase/Akt-dependent phosphorylation of endothelial NO synthase(eNOS)and to enhance eNOS expression.As a consequence,the active polyphenols will promote a sustained forma⁃tion of NO that contributes to protect the vascular system.Polyphenol-rich products have also been shown to improve an established endothelial dysfunction and to delay the onset of the induction of an endothelial dysfunction in several experimental models of cardiovascular diseases including hypertension and in ageing.Moreover,endothelial senescence characterized by cell cycle arrest and the acquisition of a pro-inflammatory and pro-atherothrombotic phenotype has been identified as an early event promotingthe development of endothelial dysfunc⁃tion.Pr
