连续性血液净化基础知识及临床应用.ppt
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1、连续性血液净化基础理论及临床应用,无锡市第二人民医院ICU曹赋韬,前言,连续性血液净化是近年来急救医学领域最重要的进展之一随着理论、技术的不断发展,新技术的问世进一步扩大临床适用范围广泛应用于肾脏疾病和非肾脏疾病领域是多种危重病救治所必需的辅助治疗措施,CBP发展简史,1960年,Scribner等人提出CBP设想1977年,Kramer等将CAVH应用于临床1979年,Bischoff和Doehr应用CVVH治疗心脏手术后 ARF患者。CAVH CVVH1982年,美国FDA批准CAVH在ICU应用1995年,第一届国际性连续性肾替代治疗学术会议在圣地亚哥召开:CRRT2000年,CBP:C
2、ontinuous Blood purification2002年,MOST:Multi-Organ Support Therapy,连续性、生理性,任何一种旨在替代受损肾脏而进行的、至少持续24h的体外血液净化治疗技术,血液净化基本原理,CBP水和溶质清除原理,清除水Ultrafiltration 超滤清除溶质Diffusion 弥散Convection 对流Adsorption 吸附,基本原理,超滤,自由水半透膜压力差及浓度差,SCUF-缓慢连续超滤,Ultrafiltration,Positive Pressure,Negative Pressure,Osmotic Pressure,B
3、lood,Membrane,Filtrate,SCUF,超滤,弥散,小分子溶质半透膜浓度差,Dialysate-透析,Diffusion,Red Blood cell,Bicarbonate,Cratinine,Chlorure,Potassium,Urea,Blood,Membrane,Filtrate,Associated with Dialysate,弥散,对流,溶液(小、中分子溶质,H2O)压力差半透膜,Hemofiltration-血液滤过,Convection,Red Blood Cell,Bicarbonate,Creatinine,Chlorure,Potassium,Urea
4、,Positive Pressure,Blood,Membrane,Filtrate,对流,Associated with Hemofiltration,吸附,溶质吸附到滤器膜表面膜的性质、面积IL-1,IL-6,IgGC1q,C3,C52微球蛋白,PTH白蛋白,Adsorption,Red Blood cell,Creatinine,Chlorure,Potassium,Urea,blood,Membrane,Filtrate,Inflammatory Mediators,吸附,血液净化基本治疗方式,CBP基本治疗方式,Removal of water is done by UF No Su
5、bstitution liquid is used Used mainly for Fluid Overload,SCUF,(Slow Continuous Ultrafiltration),CVVHD,(Continuous Veno-Venous Hemodialysis),The principle(clearances)is Diffusion Eliminate mainly Small Molecules Net Fluid Removal is desired Used of Sterile Dialysate Solution,CVVH Post dilution,(Conti
6、nuous Veno-Venous Hemofiltration),The principle(clearances)is Convection Eliminate Small,Mid+Large molecules Net Fluid removal if desired In post-Dilution Fluids are returning after the Filter inside the venous line,CVVH Pre-dilution,The principle(clearances)is Convection Eliminate Small,Mid+Large m
7、olecules Net Fluid removal if desired In pre-Dilution Fluids are returning before the Filter through the pre Dilution line,CVVH-HVHF Pre/Post dilution,Associated with High Volume Hemofiltration,The principle(clearances)is Convection Eliminate Small,Mid+Large molecules Net Fluid removal if desired In
8、 pre+post-Dilution Fluids are returning to the patient before and after the Filter,The principle(clearances)is Convection+Diffusion Eliminate Small+Mid molecules Net Fluid removal if desired Use of Sterile Dialysate+Replacement Solutions,CVVHDF,(Continuous Veno-Venous Hemodiafiltration),CBP的治疗方式,SCU
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- 关 键 词:
- 连续性 血液 净化 基础知识 临床 应用
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