内分泌性高血压的诊断_冰山一角71586.pptx
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1、内分泌性高血压的诊断内分泌性高血压的诊断冰山一角冰山一角四川大学华西医院内分泌科四川大学华西医院内分泌科童南伟童南伟一、原发性醛固酮增多症常见一、原发性醛固酮增多症常见二、二、Cushing综合征未受重视综合征未受重视三、嗜铬细胞瘤诊断困难三、嗜铬细胞瘤诊断困难四、其他少见原因四、其他少见原因一、原发性醛固酮增多症常见一、原发性醛固酮增多症常见病病例例1 1:男男性性患患者者,5858岁岁。诊诊断断糖糖尿尿病病伴伴高高血血压压4 4年年。目目前前用用口口服服降降糖糖药药血血糖糖控控制制理理想想。降降压压药药:硝硝苯苯地地平平缓缓释释片片2#qd+2#qd+倍倍他他乐乐克克50mg 50mg B
2、id+Bid+引引 达达 帕帕 胺胺 5mg 5mg qdqd,6 6月月,血血 压压 控控 制制 在在160/100mmHg160/100mmHg。问题:问题:如何有效控制血压?如何有效控制血压?病病例例2 2:男男性性患患者者,3434岁岁。头头晕晕1y1y,查查出出高高血血压压3 3月月。血血压压无无明明显显波波动动,不不伴伴阵阵发发性性心心悸悸、出出 汗汗,无无 四四 肢肢 乏乏 力力,无无 夜夜 尿尿。PEPE:血血 压压160/100mmHg160/100mmHg(右右上上肢肢)。血血气气分分析析正正常常。血血钾钾4.0mmol/L4.0mmol/L。问题:下一步问题:下一步怎么处
3、理?怎么处理?病病例例3 3:男男性性患患者者,4545岁岁。反反复复发发作作四四肢肢无无力力5y5y。此此前前共共发发作作3 3次次。本本次次发发作作(第第四四次次)四四肢肢肌肌力力下下降降时时查查血血钾钾2.3mmol/L2.3mmol/L。无无高高血血压压病病史。史。PEPE:BP120/80mmHgBP120/80mmHg。问题:问题:怎么明确低钾血症的病因?怎么明确低钾血症的病因?Diagnosis.Suspicious Conditions.Suspicious ConditionsBP160/100mmHg.BP160/100mmHg.drug resistant HT(hype
4、rtention).drug resistant HT(hypertention).HT+K.HT+K.HT+diuretic-induced K.HT+diuretic-induced K.Spontaneous K.Spontaneous K.HT+adrenal incidetaloma.HT+adrenal incidetaloma.HT+a family history of HT+a family history of early-onset HT.early-onset HT.HT+cerebrovascular accident at a young HT+cerebrovas
5、cular accident at a young age(40y).age(VEC,glomerulus,brain,)(LungVEC,glomerulus,brain,)ChymaseChymase(ventric(ventricle)le)ATAT (R1R1,R2 R2)ATAT R1 R1AldosteroneldosteronesecrectionsecrectionSympatheticSympatheticactivationactivationvasoconstrictionvasoconstrictionBlood pressure regulationBlood pre
6、ssure regulationARR cut-off values for PAPRAPRAng/ml/hng/ml/hPRAPRApmol/L/minpmol/L/minDRCDRCmu/Lmu/LDRCDRCng/Lng/LPACPACng/dLng/dL30302.52.53.73.75.75.7PACPACpmol/Lpmol/L75075060609191144144PRA=plasma renin activity;DRC=direct renin concentrationPRA=plasma renin activity;DRC=direct renin concentrat
7、ionPAC=plasma Ald concentrationPAC=plasma Ald concentrationII.Confirmatory TestsII.Confirmatory Tests1.1.Oral sodium loading test Oral sodium loading test2.2.Saline infusion test Saline infusion test3.3.Fludrocortisone(Fludrocortisone(氟氢可的松氟氢可的松氟氢可的松氟氢可的松)suppression test)suppression test4.4.Captopr
8、il(Captopril(卡托普利卡托普利卡托普利卡托普利)challenge test)challenge testIII.Subtypes of PA1.1.Ald-producing Adenoma Ald-producing Adenoma2.2.IHA(idiopathic hyperlasic aldosteronism):bilateral,IHA(idiopathic hyperlasic aldosteronism):bilateral,unilateral?unilateral?3.3.GRA(FH-I):glucocorticoid remediable aldoster
9、onism,GRA(FH-I):glucocorticoid remediable aldosteronism,familial hyperaldosteronism-I familial hyperaldosteronism-I4.4.FH-FH-:more common than GRA(FH-I):more common than GRA(FH-I)5.5.Ald-producing Carcinoma Ald-producing Carcinoma6.6.Ectopic Aldosteronism Ectopic Aldosteronism.Localization and Subty
10、pe Classification.Localization and Subtype Classification1.1.Adrenal CT Scan(50%accuracy)Adrenal CT Scan(50%accuracy)IHA:normal,nodular changes,limb thickeningIHA:normal,nodular changes,limb thickening Ald-producing Adenoma:microadenoma(1cm),Ald-producing Adenoma:microadenoma(1cm),GRA(FH-GRA(FH-)and
11、 FH-)and FH-:similar to IHA?:similar to IHA?Ald-producing Carcinoma:macroadenoma(4cm?)Ald-producing Carcinoma:macroadenoma(4cm?)Ectopic Aldosteronism Ectopic Aldosteronism2.2.AVS(adrenal venous sampling,AVS(adrenal venous sampling,肾上腺静脉采血肾上腺静脉采血肾上腺静脉采血肾上腺静脉采血)3.3.Gene diagnosis Gene diagnosisClinica
12、l Roadmap FOR PASuspicious patients with PASuspicious patients with PAARR for detecting unlikelyARR for detecting unlikely-Confirmatory testing unlikelyConfirmatory testing unlikely-+Adrenal CTAdrenal CTIf surgery not desiredIf surgery not desiredIf surgery desiredIf surgery desiredMR antagonistMR a
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