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Designing a Patient-Specific Paediatric Mock Circulatory System to Study the Norwood Circulation

[+] Author Affiliations
Giovanni Biglino, Silvia Schievano, Andrew M. Taylor

UCL Institute of Cardiovascular Science, London, UK

Catriona Baker, Alessandro Giardini, Tain-Yen Hsia

Great Ormond Street Hospital, London, UK

Richard Figliola

Clemson University, Clemson, SC

Paper No. SBC2011-53488, pp. 771-772; 2 pages
  • ASME 2011 Summer Bioengineering Conference
  • ASME 2011 Summer Bioengineering Conference, Parts A and B
  • Farmington, Pennsylvania, USA, June 22–25, 2011
  • Conference Sponsors: Bioengineering Division
  • ISBN: 978-0-7918-5458-7
  • Copyright © 2011 by ASME


The Stage I of Fontan palliation for neonates with hypoplastic left heart syndrome, namely the Norwood procedure, aims to improve the flow of oxygenated blood in the systemic circulation while at the same time providing blood flow to the pulmonary circulation1. This surgical operation usually involves enlargement of the hypoplastic aorta by means of a patch, reconstruction of aortic coarctation and increase pulmonary flow. The latter point, at present, is achieved in three different ways: i) a Blalock-Taussig (BT) shunt from the innominate artery to the pulmonary artery, ii) an atrio-pulmonary shunt, referred to as Sano modification2 and iii) stenting the ductus arteriosus and banding the pulmonary arteries, referred to as “hybrid” Norwood3. In general, it is clear that the circulation following the Norwood procedure presents a very specific and complex arrangement.

Copyright © 2011 by ASME



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