Cross-Sectional Design: Link Between Parkinson’s Pain and Restless Leg Syndrome

Abstract

Objective:

Prior research suggests that restless leg syndrome (RLS) is prevalent in Parkinson’s disease (PD) with insufficient evidence to support the relationship between RLS, PD, and pain. This study explored the relationship between pain in PD patients and its association with the prevalence and severity of RLS.

Method:

127 PD patients were assessed for PD and RLS using the U.K. Brain bank Criteria and the Restless Leg Syndrome diagnostic criteria, respectively. These patients were also assessed for pain perception and interference using the Brief Pain Inventory.

Results:

The results demonstrated Parkinson’s disease patients who reported pain scored 23 more Restless Leg Syndrome prevalence points (p < 0.05), and 8.5 counts higher for Restless Leg Syndrome severity (p < 0.05) compared to the group of Parkinson’s disease patients denying pain.

Discussion:

The presence of pain in PD patients indicated a higher RLS prevalence and an increased RLS severity. This finding suggests patients suffering from pain interference may experience more severe RLS symptoms. This demonstrates an inextricable link and association between pain in PD patients and RLS. Further robust investigations are required to elucidate any potential causative links, which can inform more holistic treatment principles.

Keywords

restless legs syndrome Parkinson’s disease brief pain inventory pain PD RLS

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