What is it about?

The nervous system has evolved to warn us about potential or actual threat to the body. It does this by creating sensations such as pain. Normally it doesn't produce constant pain because the brain regulates the warning system that produces it. Some people do experience constant or chronic pain and this paper presents a model that might explain why this happens. People who develop other kinds of long term conditions such as chronic fatigue or irritable bowel syndrome have been shown in previous work to demonstrate certain behaviours such as a tendency to push themselves too hard, perhaps overriding the normal 'warning systems' and over time it is suggested that this weakens the brain's ability to regulate them. Under certain triggering conditions, the suggestion is that the warning system can become unregulated or over-sensitive, where sensations such as pain are constantly created in response to things that are not actually dangerous.

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Why is it important?

The model outlined here draws on previous work that has shown how other conditions can transition from short term ( acute) to long term (chronic) but this work has not previously been applied to pain. If the model is accepted as valid it has important implications for how best to help people dealing with such problems.

Perspectives

NHS clinics in England have seen an increase in people reporting combinations of pain and fatigue in recent years. The article is focused on chronic or long term pain, but suggests that the same model could be applied to other long term conditions such as chronic fatigue, fibromyalgia and some functional neurological conditions, often referred to as 'medically unexplained' . My view is that people experiencing these kinds of difficult conditions, for which there is no effective medical treatment, need an understandable explanation of their experiences that makes sense, in order to move forward. This paper was an attempt to create a model that was based on current neuroscience, but was simple and practical enough for health professionals and their patients to use as a basis for developing effective and sustainable self-management.

Dr Patrick Hill
Royal United Hospital Bath NHS Foundation Trust

Read the Original

This page is a summary of: Chronic pain: a consequence of dysregulated protective action, British Journal of Pain, September 2018, SAGE Publications,
DOI: 10.1177/2049463718799784.
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