西安交通大学医学院循环系统疾病课件 Essential Hypertension.pptVIP

下载本文档

7
0
约1.32万字
约 52页
2019-05-14 发布于广东
举报
版权申诉

西安交通大学医学院循环系统疾病课件 Essential Hypertension.ppt

1、有哪些信誉好的足球投注网站（book118）网站文档一经付费（服务费），不意味着购买了该文档的版权，仅供个人/单位学习、研究之用，不得用于商业用途，未经授权，严禁复制、发行、汇编、翻译或者网络传播等，侵权必究。。
2、本站所有内容均由合作方或网友上传，本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺！文档内容仅供研究参考，付费前请自行鉴别。如您付费，意味着您自己接受本站规则且自行承担风险，本站不退款、不进行额外附加服务；查看《如何避免下载的几个坑》。如果您已付费下载过本站文档，您可以点击这里二次下载。
3、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等，请点击“版权申诉”（推荐），也可以打举报电话：400-050-0827(电话支持时间：9:00-18:30)。
4、该文档为VIP文档，如果想要下载，成为VIP会员后，下载免费。
5、成为VIP后，下载本文档将扣除1次下载权益。下载后，不支持退款、换文档。如有疑问请联系我们。
6、成为VIP后，您将拥有八大权益，权益包括：VIP文档下载权益、阅读免打扰、文档格式转换、高级专利检索、专属身份标志、高级客服、多端互通、版权登记。
7、VIP文档为合作方或网友上传，每下载1次，网站将根据用户上传文档的质量评分、类型等，对文档贡献者给予高额补贴、流量扶持。如果你也想贡献VIP文档。上传文档

Essential Hypertension Ⅰ. General Considerations ?Essential Hypertension(EH) is a popular disease in the world. ?The cardiovascular morbidity and mortality is much high. ?Cardiac, renal, cerebral complications are the main problems of hypertension. ?95% patients with HBP are called essential or primary hypertension. ?5% patients with specific cause are called secondary hypertension. Ⅲ .Definition and classificationof Hypertension (WHO 1999) Definition and classification of Hypertension ( JNC –USA 2003 ) Category SBP(mmHg) DBP(mmHg) Normal 120 80 Pre-Hypertensive 120-139 80-89 Hypertension Grade ? 140-159 90-99 Grade ?? ? 160 or ? 100 ? Risk factors associated with EH 1. Family history BP level is correlated among family members a fact attributable to common genetic background. Estimates of the genetic contribution to BP variation range from 30% to 50%. 2. Environmental influences (1) High diet salt intake There is positive association between dietary salt-overload and the prevalence of hypertension with salt-sensitive persons. Salt-sensitive means individual response of BP to variation in sodium intake widely. (2) High weight and obesity There is strong positive correlation between body mass index(BMI) and BP level. obesity is associated with insulin resistance and hyperinsulinemia (3) Psychological stress Psychological stress plays a pathogenic role in the development of hypertension. Emotional stress can rises BP. Increased sympathetic nervous activity (4) Smoking Cigarette smoking is a powerful risk factor for cardiovascular disease. (5) Alcohol ? Excessive alcohol intake is an important risk factor for HBP. ? It can cause resistant to a