ESRD肺动脉高压.ppt
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1、ESRD 肺动脉高压肺动脉高压的定义肺动脉高压的定义 Systolic pulmonary arterial pressure(PAP)PAP=cardiac output x PVR 65 重度 Seminars in Dialysis,2006 353-35725mmHg Mahans equation:right ventricular outflow tract flow acceleration time MPAP(mmHg)=79-0.45X acceleration time(ms)Cardiac output(ml/min)=stroke volume(ml)Xheart ra
2、te(min-1)stroke volume from end-diastolic volume Simpsons methodmodified Bernoulli equation:PAP=tricuspid systolic jet(TR)+10-15 mm Hg(estimated right atrial pressure:15 mm Hg in dilated right atrium 10 mmHg in normal or slightly enlarged right atrium PHT:systolic PAP 35 mmHg.Systolic PAP=4xTR+RAP T
3、R:tricuspid regurgitation(m/sec)RAP:right artial pressure60 重度 cardiovasc Intervent Radiol 2005,28:17-22 40%血透患者:447mmHg(37-65)ESRD PH发生率与可能机制1.left heart failure 2.chronic hypoxic lung diseases.3.Collagen vascular diseases,5.portal hypertension4.chronic recurrent thromboembolism6.human immunodefici
4、ency virus(HIV)infection,7.hematologic conditions 8.Secondary drugs and toxins我院血透中心不完全统计HD 27/59(45.8%)53.015.3mmHgPD 15/51(29.4%)40.79.7mmHgTable 1.Systolic Pulmonary arterial pressure(PAP)in hemodialysis patients Saudi J Kidney Dis Transpl.2008 Mar-Apr;19(2):189-93 PH相关因素 贫血、低蛋白血症贫血、低蛋白血症 PH者心输出量
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- ESRD 肺动脉 高压