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Heparin Leakage by Advective-Diffusive Transport in Central Venous Catheters

[+] Author Affiliations
Patrick M. McGah, Michael Barbour, Alberto Aliseda, Kenneth W. Gow

University of Washington, Seattle, WA

Paper No. SBC2013-14376, pp. V01AT20A018; 2 pages
doi:10.1115/SBC2013-14376
From:
  • ASME 2013 Summer Bioengineering Conference
  • Volume 1A: Abdominal Aortic Aneurysms; Active and Reactive Soft Matter; Atherosclerosis; BioFluid Mechanics; Education; Biotransport Phenomena; Bone, Joint and Spine Mechanics; Brain Injury; Cardiac Mechanics; Cardiovascular Devices, Fluids and Imaging; Cartilage and Disc Mechanics; Cell and Tissue Engineering; Cerebral Aneurysms; Computational Biofluid Dynamics; Device Design, Human Dynamics, and Rehabilitation; Drug Delivery and Disease Treatment; Engineered Cellular Environments
  • Sunriver, Oregon, USA, June 26–29, 2013
  • Conference Sponsors: Bioengineering Division
  • ISBN: 978-0-7918-5560-7
  • Copyright © 2013 by ASME

abstract

Central venous catheters (CVCs) are used as a way to provide adequate access of blood flow for hemodialysis, a common treatment for end-stage kidney disease. During hemodialysis, the catheter must circulate up to 300 mL/min [1] of blood flow to the extracorporeal artificial kidney. Catheters contain two lumens: the inflow lumen provides flow to the artificial kidney, and the outflow lumen returns it to the patient’s circulation. Although catheters are used in the treatment of patients of all ages, this study is motivated by the use of central venous catheters for pediatric applications; the catheter types and calibers available for children are much more limited than for adults, thereby placing children in a further disadvantage and potentially subjecting them to increased risk of complications.

Copyright © 2013 by ASME
Topics: Catheters , Leakage

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