An adaptive transfer function for deriving the aortic pressure waveform from a peripheral artery pressure waveform

G Swamy, D Xu, NB Olivier… - American Journal of …, 2009 - journals.physiology.org
We developed a new technique to mathematically transform a peripheral artery pressure
(PAP) waveform distorted by wave reflections into the physiologically more relevant aortic …

Single measurement estimation of central blood pressure using an arterial transfer function

L Murphy, JG Chase - Computer Methods and Programs in Biomedicine, 2023 - Elsevier
Background: Central blood pressure (BP) better reflects the loading conditions on the major
organs and is more closely correlated with future cardiovascular events. The increased …

[PDF][PDF] Clinically feasible model-based methods to guide cardiovascular fluid therapy in the ICU

L Murphy - 2022 - ir.canterbury.ac.nz
This Chapter presents a macro view of the cardiovascular system (CVS) and the
components relevant to this work. First, an introduction to the relevant physiological …

Cardiovascular Model Identification Using Neural ODE

B Szabó, Á Antal, Á Szlávecz, B Paláncz, K Kovács… - IFAC-PapersOnLine, 2024 - Elsevier
Acute circulatory failure (ACF) is a clinical syndrome when the heart and circulatory
circulation cannot provide adequate blood supply to meet metabolic needs of the organs …

Methods and apparatus for determining arterial pulse wave velocity

R Mukkamala, D Xu, G Zhang, M Gao… - US Patent …, 2019 - Google Patents
Methods are presented for determining pulse transit time (PTT) and/or pulse wave velocity
(PWV) of a subject by application of parametric system identification to proximal and distal …

Estimating aortic blood pressure from femoral pressure measurements via an arterial transfer function: A Gaussian decomposition approach.

L Murphy, JG Chase, J Cushway, T Desaive - IFAC-PapersOnLine, 2024 - Elsevier
This paper presents a method of identifying the model parameters of a validated arterial
transfer function model, to estimate central blood pressure (P ao, est) from femoral pressure …

Estimating central blood pressure from a single peripheral pressure measurement

L Murphy, G Chase, S Davidson, T Desaive - IFAC-PapersOnLine, 2021 - Elsevier
This paper presents a set of criteria used to identify the parameters describing a tube-load
model of the arterial system to estimate central blood pressure (BP). The criteria are …

Estimation of the aortic pressure waveform from a radial artery pressure waveform via an adaptive transfer function: Feasibility demonstration in swine

G Swamy, D Xu, R Mukkamala - 2009 Annual International …, 2009 - ieeexplore.ieee.org
We previously proposed a new technique to estimate the physiologically and clinically more
relevant central aortic pressure (AP) waveform from a conveniently and safely measured …

Quantification of forward and backward arterial waves by model-based analysis of aortic and femoral artery pressure waveforms

G Swamy, NB Olivier… - 2008 30th Annual …, 2008 - ieeexplore.ieee.org
We developed a technique to quantify forward and backward arterial waves by model-based
analysis of aortic and femoral artery pressure waveforms. Thus, in contrast to conventional …

[КНИГА][B] Model based arterial pressure waveform analysis for monitoring cardiovascular function

G Swamy - 2009 - search.proquest.com
Today, the workhorse in hemodynamic monitoring is the continuous (ie, automated)
measurement and display of blood pressure (BP) waveforms from peripheral arteries. In …