Mathematical model of venous occlusion plethysmography for diagnosing deep vein thrombosis
Engineering in Medicine and Biology Society, 2001. Proceedings of the 23rd Annual International Conference of the IEEE （2001）
摘要
Although the results of venous occlusion plethysmography (VOP) can determine the existence of deep vein thrombosis (DVT), it is difficult to analyze quantitatively the effects of the degrees of thrombosis, blood pressure and cuff pressure on VOP. In this paper, by developing a combined model that is composed of a pulsatile cardiovascular model and a venous occlusion model, we showed the availability of a more realistic simulation. Using the proposed combined model for simulation of the effects of different head pressures and degrees of thrombosis on VOP, we can achieve a basic understanding of the relationship between the state of the patient and indirect measurements such as impedance plethysmography (IPG) and strain gauge plethysmography (SPG).
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关键词
blood vessels,cardiovascular system,electric impedance measurement,haemodynamics,patient diagnosis,physiological models,plethysmography,strain gauges,blood pressure,combined model,cuff pressure,deep vein thrombosis diagnosis,degrees of thrombosis,head pressure,impedance plethysmography,indirect measurements,mathematical model,pulsatile cardiovascular model,simulation,strain gauge plethysmography,venous capacitance,venous occlusion model,venous occlusion plethysmography,strain gauge,immune system,cardiology,leg,mathematical models
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