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Can Capillary Refill Time (CRT) measurement be a reliable clinical test?

Published: 05 April 2024 Publication History

Abstract

Visually, the state of peripheral circulation in the body can be seen in the prolonged capillary refill time (CRT) when there are peripheral circulation disorders. Various forms of shock, organ failure, frostbite, and vasculitis are associated with prolonged capillary refill time. Given that this index is currently measured mainly by clinicians with the naked eye, it is lack of consensus on the measurement method, resulting extremely large measurement errors. This limits the application in clinical practice controversial. An examination of CRT's clinical utilization, its emotional components, and novel approaches to gauging CRT that could potentially facilitate more precise clinical tests for monitoring the condition of human peripheral circulation is presented in the review.In addition, our laboratory provides a new method for measuring CRT - a fully automatic capillary refill time measurement instrument based on PID pressure control, which introduces optical sensors instead of human eyes to record the change of light intensity in the subject area and can quantify and control the pressure by PID system, which reduces the influence of human factors on the measurement to a certain extent. This technology introduces an optical sensor instead of the human eye to record the light intensity changes in the subject area and can quantify and control the pressure through a PID system, which reduces the influence of human factors on the measurement results and improves the accuracy of the measurement.

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    ISAIMS '23: Proceedings of the 2023 4th International Symposium on Artificial Intelligence for Medicine Science
    October 2023
    1394 pages
    ISBN:9798400708138
    DOI:10.1145/3644116
    Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than the author(s) must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected].

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    Published: 05 April 2024

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