最新高血压指南的几个问题

1、单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,最新高血压指南的几个问题,内容提要,关于血压水平的定义和分类,关于危险度分层,关于卫生经济学,关于用药问题,高血压患者危险分层,-WHO/ISH 1999,注：,1999,年中国高血压防治指南,的危险分层参考的是,1999,年,WHO/ISH,指南,影响高血压患者预后的因素,心血管危险因素,靶器官损害,糖尿病,关联临床状况,血压水平,男性,55,岁,女性,65,岁,吸烟,血脂紊乱,（,TC6.5mmol/L,LDL-C4.0 mmol/L,HDL-C,男,1.0,，女,1.2mmol/L,）,早发心血管疾病家族史,(,男,55,女,102,女,88cm),CRP,1 mg/dl,左心室肥厚,（心电图：,Sokolow-lyons38mm;Cornell2440mm*ms;,超声心动图：,LVMI,男,125,，女,110g/m2,）,超声证实动脉壁增厚,（颈动脉,IMT,0.9mm,）,或粥样硬化斑块,血清肌酐轻微升高,（男,115-133,，女,107-124,mol/L,）,微白蛋白尿症,（,3

2、0-300mg/24H;,白蛋白,/,肌酐比值男,22,，女,31,）,空腹血浆葡萄糖,7.0mmol/L,餐后血浆葡萄糖,11.0mmol/L,脑血管疾病：,缺血性脑卒中；脑出血；一过性脑缺血发作,心血管疾病：,心肌梗死；心绞痛；冠脉血运重建；心力衰竭,肾脏病变：,糖尿病性肾脏病变；肾损害（肌酐升高男,133,女,124,mol/L,）；蛋白尿（,300mg/24H,）,周围血管疾病,高度眼底病变：,出血；或渗出，乳头水肿,高血压患者危险分层,-2003,欧洲高血压指南,III,级 高血压,II,级 高血压,I,级 高血压,正常血压高值,正常血压,其他危险因素和疾病,关联临床状况,3,危险因素或糖尿病或靶器官损害,1,2,危险因素,0,危险因素,：平均危险；：低度危险增加；：中度危险增加；：高度危险增加；：极高度危险增加,Risk factor s,imilar as 1999 guidelines except:,1.abdominal obesity 2.Diabetes as a separate criterion 3.CRP is added,血压分类,-JNC-VI(19

3、97),-,类 别 收缩压（,mm Hg,),舒张压（,mm Hg,),-,理想血压,120 80,正常血压,120-129 80-84,正常高值,130-139 85-89,1,级高血压,140,159 90,99,亚组：临界高血压,140-149 90-94,2,级高血压,160 -179 100-109,3,级高血压,180,110,单纯收缩期高血压,140,90,亚组：临界收缩期高血压,140-149 90,-,1.Distribution of NHANES I Epldemiologic Follow-up Study Participants with a High-Normal BP or Hypertension at Baseline According to BP Lovel and Risk Categorization,640(9.0),107(1.5),257(3.6),276(3.9),Risk Group A,1366(19.2),5084(71.7),Total,483(6.5),1505(21.2),160/100,609(8.5),2208(31.

4、1),140-159/90-99,300(4.2),1371(19.3),130-139/85-89,Risk Group C,Risk,Group B,SBP/DBP,mmHg,Values are n(%),2.Estimated Effect of a 12mmHg Reduction in SBP Over 10 years on the Number-Needed-to-Treat to Prevent a Cardiovascular Disease Event Among NHANES I Epidemiologic Follow-Up Study Participants According to Baseline BP Level and Category of Presumed Cardiovascular Risk,Risk Group C,Risk Group B,Risk Group A,8,16,7,13,10,16,160/100,9,17,11,19,20,33,140-159/90-99,10,19,13,23,25,41,130-139/85-89,

5、Corrected*,Uncorrected,Corrected*,Uncorrected,Corrected*,Uncorrected,SBP/DBP,mmHg,See test or Table 1 for deflnition of risk groups.,*Corrected for regression dilution bias using a reliability coefficient or 0.53 to correct for Imprecision in the measurement of SBP,3.Estimated Effect of a 12mmHg Reduction in SBP Over 10 years on the Number-Needed-to-Treat to Prevent a Cardiovascular Disease Death Among NHANES I Epidemiologic Follow-Up Study Participants According to Baseline BP Level and Categor

6、y of Presumed Cardiovascular Risk,Risk Group C,Risk Group B,Risk Group A,11,20,12,21,34,49,160/100,18,31,27,44,273,394,140-159/90-99,21,37,36,60,486,701,130-139/85-89,Corrected*,Uncorrected,Corrected*,Uncorrected,Corrected*,Uncorrected,SBP/DBP,mmHg,See test or Table 1 for deflnition of risk groups.,*Corrected for regression dilution bias using a reliability coefficient or 0.53 to correct for Imprecision in the measurement of SBP,4.Estlmated Effect of a 12mmHg Reduction in SBP Over 10 years on th

7、e Number-Needed-to-Treat to Prevent An AI-Cause Death Among NHANES I Epidemiologic Follow-Up Study Participants According to Baseline BP Level and Category of Presumed Cardiovascular Risk,Risk Group C,Risk Group B,Risk Group A,9,16,9,17,23,37,160/100,12,22,16,27,60,97,140-159/90-99,14,25,19,33,81,130,130-139/85-89,Corrected*,Uncorrected,Corrected*,Uncorrected,Corrected*,Uncorrected,SBP/DBP,mmHg,See test or Table 1 for definition of risk groups.,*Corrected for regression dilution bias using a rel

8、iability coefficient or 0.53 to correct for Imprecision in the measurement of SBP,不同危险程度高血压患者的血压水平,(mmHg,x,s),男 女,危险度,SBP DBP SBP DBP,低危,141.3(12.0)88.7(7.9)141.7(10.8)88.4(10.1),中危,144.7(15.6)89.3(9.7)144.1(26.7)86.4(10.6),高危,144.0(17.7)88.8(11.5)139.6(18.6)85.6(14.5),极高危,148.4(21.5)*88.8(12.8)145.9(22.6)*87.6(34.2),*P0.05,心血管危险度分层的重要性,（一）,高血压常常伴随其它危险因素,降压治疗的目的是减少心血管发病与死亡（,CVD Risk,）,而不仅是降低血压（,RFs),，所以对心血管危险的估算是不可或缺的,血压升高是,CVD RR,的重要指标，故以往只看血压水平决定治疗策略。此法对中重度高血压行之有效，对轻度高血压则否,心血管危险度分层的重要性（二）,NHAN

9、ES-I,根据,JNC VI,，对,7,090NHEFS,队列,20,年随访说明临床决策不仅依靠平均血压水平，并需考虑其他危险因素,1999,年医院门诊人群高血压抽样调查报告表明,对门诊高血压患者的危险度评估中,如果只注意血压水平,是很不够的,会明显低估危险度,必须全面评估其他危险因素,才能作出正确的判断,.,Problems With a Strategy Based on Absolute Cardiovascular Risk,F.Olaf Simpson/Journal of Hypertension 1996,Vol 14 No 6,The proposed New Zealand guidelines:the 10-year absolute CVD risk strategy,Consequences of the 10-year absolute-risk strategy,Possible age-related modifications of the 10-year absolute-risk strategy,Problems raised by inclusi

10、on of other risk factors in the calculations,Problems in calculation of the expected gains from antihypertensive therapy,Problems in calculations of CVD risk from raised blood pressure,Article 1,Cardiovascular risk evaluation,：,an inexact science,（,1,）,Failure to consider the full risk of the metabolic syndrome in current guidelines,Failure to appreciate the total benefit of antihypertensive therapy,Excessive weighting of advanced age in the assessment of cardiovascular risk,How accurate is curr

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