Hypotensive Control during Anaesthesia

Name: Hypotensive Control during Anaesthesia
Brand: VDM Verlag
SKU: 9783639269024
Price: 61.15 EUR
Availability: InStock

Автор: Nguyen Chi Ngon

Език:

Корици: С меки корици

Издател: VDM Verlag

Наличност: Налично при издателя, по поръчка

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This study focuses on a method of decreasing and maintaining blood pressure at a deep hypotensive st...

Информация за книгата

Автор

Nguyen Chi Ngon

Език

Английски език

Корици

Книга - С меки корици

Издадена

2010

страници

156

EAN

9783639269024

ISBN

3639269020

Enbook ID

06834189

Издател

VDM Verlag

Теглоt

236

Размери

152 x 229 x 9

Пълно описание

This study focuses on a method of decreasing and maintaining blood pressure at a deep hypotensive state by automatically infusing sodium nitroprusside, and presents how to increase blood pressure back to higher value through controlling noradrenaline infusion. To handle the behaviors of patient caused by multiple feedbacks of blood pressure autoregulatory mechanisms and a wide range of patient sensitivities, a physiological model was developed. It can be used not only for tuning the controller but also for simulating the reaction of the body. The control system can simulate the circulation during and after administered hypotensive or hypertensive agents. At starting time, a step infusion is applied to estimate patient sensitivities. These parameters were used for configuring a fuzzy gain scheduler of a PID controller with an online supervising algorithm for updating the scheduler which can make the PID controller acting stronger or weaker due to the behaviors of patients. The control system was tested on pigs. The experimental results showed a stability and safety of the control system that indicated a possibility of the proposed method.

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Hypotensive Control during Anaesthesia

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