(优选)留学生心绞痛课件.ppt
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- 优选 留学生 心绞痛 课件
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1、(优选)留学生心绞痛1 Brief IntroductionCoronary heart disease Teatment of Angina Pectoris:1. Dilation of blood vessels2. Reducing blood lipid level3. Reducing blood glucose level4. Antithrombosis5. Anti-painContractilityHeart RateCardiac Wall TensionPreload and Afterload1. Beta-Blockers2. Glyceryl trinitrate
2、 3. L-CB Anti-angina pectoris AgentsCoronary heart disease prescription:Nitrate estersAntihypertensive agentsAntilipemic agents 2 Nitrate Vasodilator 1. In blood vessel wall, GTN produce NO with the help of mitochondrial aldehyde dehydrogenase (mtALDH)2. NO induce dilation of blood vessels3. Over do
3、se / long time administration of GTN also can induce active oxygen and induce tolerance. Blood vessel dilation mechanismGTN:Glyceryl NitratePETN:pentaerythrityl tetranitrate ISDN :isosorbide dinitrate ISMN :isosorbide-5-mononitrate Soluble guanylyl cyclase (sGC) is the only known receptor for NO. It
4、 is soluble, i.e. completely intracellular. It is most notably involved in vasodilation. In humans, it is encoded by the genes GUCY1A2, GUCY1A3, and GUCY1B3Effects of GTN1. To lower the oxygen demand of the heart2. To dilate coronary artery and increase the ischemia area blood irrigation3. To decrea
5、se the left ventricular endocardial pressure, increase the endocardial blood supply and improve the adaptability of the left ventricle4. To protect ischemic cardiac cells: NO-induced PGI2 and calcitonin gene-related peptides(CGRP)5. Anti-arrythmia and Inhibition of platelet aggregationBefore GTNAfte
6、r GTNIschemic zoneNormal zonePharmacokinetics of GTN 1. High lipophilic property2. Extensive first-pass effects for P.O.: If sublingual route, F is 80%, the onset of action is 1 to 2 minutes, and the duration of action is 20 to 30 minutes. INDICATIONS OF GTN1. Acute angina pectoris attack2. Prophyla
7、xis of angina pectoris GTN patches, ointment 3. Acute myocardial infarction 4. Congestive heart failure Isosorbide Dinitrate( (消心痛)消心痛)Isosorbide Mononitrate(异乐定)(异乐定)1. Angina Prevention2. Heart Failure TreatmentP.O.Weak Tolerance医大一院有大夫:高血压合并心绞痛,医大一院有大夫:高血压合并心绞痛, 异乐定异乐定 + + 福新普利?福新普利?Ads of GTN1.P
8、ostural hypotension2.Reflex tachycardia3.Throbbing headache4.Flushing, Dizziness5.High Intracerebral/Intraocular Pressure6.Tolerance目前常用于心绞痛的药物:目前常用于心绞痛的药物:异乐定(欣康,硝酸酯类)异乐定(欣康,硝酸酯类)消心痛(硝酸酯类)消心痛(硝酸酯类)心痛定(硝苯地平)心痛定(硝苯地平)圣通平(硝苯地平缓释)圣通平(硝苯地平缓释)拜新同(拜新同(硝苯地平控释)硝苯地平控释)波依定(非洛地平)波依定(非洛地平)络活喜(氨氯地平)络活喜(氨氯地平)司乐平(
9、拉西地平)司乐平(拉西地平)异搏定(维拉帕米)异搏定(维拉帕米)比索洛尔(比索洛尔(Beta1阻滞剂,选择性最高)阻滞剂,选择性最高)贝他乐克(贝他乐克(Beta1阻滞剂)阻滞剂)阿替洛尔(阿替洛尔(Beta1阻滞剂)阻滞剂)心得安(心得安(Beta阻滞剂)阻滞剂)蒙诺(蒙诺(ACEI,福新普利),诺迪康(藏药),福新普利),诺迪康(藏药)万爽力(新型药物,改变心肌代谢)万爽力(新型药物,改变心肌代谢)The current commonly used in angina medicine:Xinkang, nitratesIsosorbide dinitrate (nitrate)Nifed
10、ipine Nifedipine( slow-release)Nifedipine (controlled-release)Felodipine)AmlodipineLacidipineVerapamil Bisoprolol (Beta1 blockers, the highest selectivity)Betaloc (Beta1 blocker)Atenolol (Beta1 blocker)Propranolol (Beta blocker)Fosinopril (ACEI), Nuodikang (Medicine)Trimetazidine ( changes in myocar
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