Patient-specific modelling of head-up tilt
Williams, N. D., Wind-Willassen, O., Wright, A. A., Program, R. E. U., Mehlsen, J., Ottesen, J. T., & Olufsen, M. S. (2013, August 18). Mathematical Medicine and Biology A Journal of the IMA.
author keywords: cardiovascular system dynamics; head-up tilt; sensitivity analysis; subset selection; parameter estimation
MeSH headings : Adult; Blood Pressure / physiology; Blood Volume / physiology; Cardiac Output / physiology; Heart Rate / physiology; Homeostasis / physiology; Humans; Male; Mathematical Concepts; Models, Cardiovascular; Myocardial Contraction / physiology; Posture / physiology; Supine Position / physiology; Tilt-Table Test; Vascular Resistance / physiology
topics (OpenAlex): Heart Rate Variability and Autonomic Control; Cardiovascular Health and Disease Prevention; Blood Pressure and Hypertension Studies; Ultrasound Imaging and Elastography; Visual perception and processing mechanisms
TL;DR:
A patient-specific model that uses heart rate as an input to fit the dynamic changes in arterial blood pressure data during HUT is presented, which estimates physiologically reasonable values for arterial and venous blood pressures, blood volumes and cardiac output for which data are not available.
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