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Individualized Transfer Functions for the Noninvasive Estimation of Central Pressure From Brachial Pressure Readings

[+] Author Affiliations
Ashis Mookerjee, Ahmed M. Al-Jumaily

AUT University, Auckland, New Zealand

Andrew Lowe

Pulsecor Limited, Auckland, New Zealand

Paper No. IMECE2009-11825, pp. 479-480; 2 pages
doi:10.1115/IMECE2009-11825
From:
  • ASME 2009 International Mechanical Engineering Congress and Exposition
  • Volume 2: Biomedical and Biotechnology Engineering
  • Lake Buena Vista, Florida, USA, November 13–19, 2009
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4375-8 | eISBN: 978-0-7918-3863-1
  • Copyright © 2009 by ASME

abstract

A model-based investigation is carried out with the aim of developing an ab-initio methodology for the patient-specific estimation of central pressures from brachial blood pressure readings. The subclavian root-brachial artery segment is modeled as a 1-D tube with all model parameters linked to patient characteristics. A simulation is also run with typical physiological parameters, which gives a “first estimate” of the transfer function (TF). The TF derived using the patient characteristics is studied in detail to investigate the change in the arterial TF occurring with changes in patient characteristics. This TF is compared with the “first estimate” to evaluate the feasibility of using standard arterial properties.

Copyright © 2009 by ASME

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