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Study tests reliability of more accurate measure of patient pain
Date:3/9/2009

Amsterdam, The Netherlands March 09, 2009 A new study appearing in Pain Practice successfully established the reliability a newly developed device for assessing pain. This device is called the continuous pain score meter (CPSM). It enables continuous real time pain score measurement, which is used to obtain exact measurements of pain intensity in humans during the course of a procedure. The findings provide more detailed information on patients' pain perception and may lead to better pain management for certain clinical procedures.

The ability to accurately measure pain intensity, pain duration and the effect of analgesics is an important task in both medical practice and research. The sharp increase in present-day office procedures, without general anesthesia, has made this even more important. The CPSM procedure can be valuable to study pain intensity in clinical procedures that take between 1-30 minutes.

Currently, there are various validated instruments available to assess pain in patients. The visual analog score (VAS) is the most widely used scale. The VAS scale measures pain by a single score indicated by a patient the end of a procedure. It uses a scale that ranges from "no pain" to "worst imaginable pain." The VAS is frequently used for diagnostic and technical procedures to evaluate patient tolerance in an office setting.

This method, however, has three major disadvantages. If a procedure consists of multiple different actions, pain intensity may vary according to each action. This important information is not detected by a single measurement afterwards. Second, pain intensity measurements after the procedure may be biased by the inaccuracy of the memory to recall pain sensations. Third, pain is by nature not a short, limited phenomenon; pain sensation does not suddenly stop after a stimulus, but gradually disappears, requiring continuous measurements in order to fully cover the pain sensation. With this new pain
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Contact: Sean Wagner
medicalnews@bos.blackwellpublishing.net
781-388-8550
Wiley-Blackwell
Source:Eurekalert

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