Title :
Transcutaneous oximetry and dynamic modelling
Author_Institution :
Med. Fac., Charles Univ., Pilsen
Abstract :
Ischaemic tissue damage is a common symptom of a various diseases of arterial, venous or lymphatic ethiology. The stage of ischaemic damage can be evaluated by the transcutaneously measured tissue oxygen partial pressure (TcpO2). Single TcpO2 measurement is tasked by different variability sources causing the TcpO2 is not generally used in daily clinical practice. A new method of dynamic TcpO2 monitoring is presented which is based on tissue response to the increased oxygen delivery which is ensured by the hyperbaric oxygenotherapy. The evaluation of measured data is solved by regression dynamic models constructed according to pathophysiologic laws such as Krogh´s model of oxygen tissue distribution which is derived from Fick´s laws of diffusion and it describes the radial diffusion of oxygen from the centrally situated capillary
Keywords :
biodiffusion; biomedical measurement; physiological models; O2 tissue distribution; arterial ethiology; centrally situated capillary; disease; hyperbaric oxygenotherapy; increased O2 delivery; ischaemic tissue damage; lymphatic ethiology; measured data evaluation; pathophysiologic laws; radial diffusion; regression dynamic models; tissue response; transcutaneous oximetry; transcutaneously measured tissue O2 partial pressure; venous ethiology; Condition monitoring; Delay effects; Diseases; Equations; Guidelines; Patient monitoring; Postal services; Pressure measurement; Testing; Tissue damage;
Conference_Titel :
Information Technology Applications in Biomedicine, 1997. ITAB '97., Proceedings of the IEEE Engineering in Medicine and Biology Society Region 8 International Conference
Conference_Location :
Prague
Print_ISBN :
0-7803-4318-2
DOI :
10.1109/ITAB.1997.649411
