Dataset Information

Experiences of diagnosis and treatment for upper limb Complex Regional Pain Syndrome: a qualitative analysis.

ABSTRACT:

Introduction

Complex Regional Pain Syndrome (CRPS) most frequently affects the upper limb, with high associated disability. Delays to diagnosis and appropriate treatment can adversely impact prognosis and quality of life, but little is known about the healthcare experiences of people with CRPS. This study aimed to explore lived experiences of diagnosis and treatment for people with upper limb CRPS.

Methods

Participants were recruited through online support groups and multiple public and private healthcare settings in the Greater Wellington Region, New Zealand. Semi-structured interviews were conducted with participants who had experienced upper limb CRPS for more than three months and less than three years. Interviews were transcribed verbatim and analysed using reflexive thematic analysis.

Results

Thirteen participants (11 female, 2 male) aged between 43 and 68 years were interviewed. Duration of CRPS ranged from 7 months to 2.5 years. Five themes were identified. Participants initially engaged in healthcare out of a desire to return to being the person they were before having CRPS. Three interacting experiences epitomised the overall healthcare experience: (1) not knowing what is going on, (2) not being taken seriously, and (3) healthcare as adding another layer of load. Meanwhile, participants used multiple approaches in an attempt to not let CRPS stop them from continuing to live their lives.

Conclusions

Participants in this study felt that credible information, validation, and simplification from healthcare providers and systems would support their process of navigating towards a meaningful life and self-concept in the presence of CRPS.

SUBMITTER: Griffiths GS

PROVIDER: S-EPMC10690851 | biostudies-literature | 2023 Dec

REPOSITORIES: biostudies-literature

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Publications

Experiences of diagnosis and treatment for upper limb Complex Regional Pain Syndrome: a qualitative analysis.

Griffiths Grace S GS Thompson Bronwyn L BL Snell Deborah L DL Dunn Jennifer A JA

Pain medicine (Malden, Mass.) 20231201 12

<h4>Introduction</h4>Complex Regional Pain Syndrome (CRPS) most frequently affects the upper limb, with high associated disability. Delays to diagnosis and appropriate treatment can adversely impact prognosis and quality of life, but little is known about the healthcare experiences of people with CRPS. This study aimed to explore lived experiences of diagnosis and treatment for people with upper limb CRPS.<h4>Methods</h4>Participants were recruited through online support groups and multiple publ ...[more]

PMID: 37584744

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Project description:Complex Regional Pain Syndrome (CRPS) is a multifactorial and disabling disorder with complex etiology and pathogenesis. Goals of therapy in CRPS should be pain relief, functional restoration, and psychological stabilization, but early interventions are needed in order to achieve these objectives. Several drugs have been used to reduce pain and to improve functional status in CRPS, despite the lack of scientific evidence supporting their use in this scenario. They include anti-inflammatory drugs, analgesics, anesthetics, anticonvulsants, antidepressants, oral muscle relaxants, corticosteroids, calcitonin, bisphosphonates, calcium channel blockers and topical agents. NSAIDs showed no value in treating CRPS. Glucocorticoids are the only anti-inflammatory drugs for which there is direct clinical trial evidence in early stage of CRPS. Opioids are a reasonable second or third-line treatment option, but tolerance and long term toxicity are unresolved issues. The use of anticonvulsants and tricyclic antidepressants has not been well investigated for pain management in CRPS. During the last years, bisphosphonates have been the mostly studied pharmacologic agents in CRPS treatment and there are good evidence to support their use in this condition. Recently, the efficacy of intravenous (IV) administration of neridronate has been reported in a randomized controlled trial. Significant improvements in VAS score and other indices of pain and quality of life in patients who received four 100 mg IV doses of neridronate versus placebo were reported. These findings were confirmed in the open-extension phase of the study, when patients formerly enrolled in the placebo group received neridronate at the same dosage, and these results were maintained at 1 year follow-up. The current literature concerning sympathetic blocks and sympathectomy techniques lacks evidence of efficacy. Low evidence was recorded for a free radical scavenger, dimethylsulphoxide (DMSO) cream (50%). The same level of efficacy was noted for vitamin C (500 mg per day for 50 days) in prevention of CRPS in patients affected by wrist fracture. In conclusion, the best available therapeutic approach to CRPS is multimodal and is based on the use of several classes of drugs, associated to early physiotherapy. Neridronate at appropriate doses is associated with clinically relevant and persistent benefits in CRPS patients.

Project description:Background and objectiveThe pathophysiology of complex regional pain syndrome (CRPS) is multifactorial, with an exaggerated inflammatory response being the most prominent. Treatment for CRPS is carried out according to the presenting pathophysiological mechanism. Anti-inflammatory treatment with glucocorticoids is therefore an option. The aim of this study was to systematically review the efficacy of glucocorticoids in CRPS.Databases and data treatmentEmbase, Medline, Web of Science and Google Scholar were systematically searched for articles focusing on glucocorticoid treatment and CRPS. Screening based on title and abstract was followed by full-text reading (including reference lists) to determine the final set of relevant articles. Bias was assessed using the revised Cochrane risk-of-bias-tool for randomized trials (Rob2).ResultsForty-one studies were included, which reported on 1208 CRPS patients. A wide variety of glucocorticoid administration strategies were applied, with oral being the most frequently chosen. Additionally, researchers found great heterogeneity in outcome parameters, including clinical symptoms, pain relief and range of motion. The use of glucocorticoids caused an improvement of parameters in all but two studies. In particular, improvement in pain relief and range of motion were reported. Using glucocorticoids in CRPS of longer duration (i.e. more than 3 months) appears to be less effective.ConclusionBased on the present review, there is evidence to support glucocorticoid treatment in CRPS. However, the ideal administration route and dose remain unclear. We therefore recommend future research via an intervention study, as well as studies on the aetiological mechanisms and corresponding optimal treatment because CRPS pathogenesis is only partially understood.SignificanceSeveral studies point towards CRPS being an inflammatory response after tissue or nerve damage, with higher levels of pro-inflammatory cytokines in serum, plasma, cerebrospinal fluid and artificial skin blisters. Inflammation provides a possible role for glucocorticoids in treating CRPS. This systematic review provides a structured overview of glucocorticoid treatment in patients with CRPS. Improvement in pain and range of motion is shown. Systematic review registration number: PROSPERO-CRD42020144671.

Project description:BackgroundAberrant expression of small noncoding RNAs called microRNAs (miRNAs) is a common feature of several human diseases. The objective of the study was to identify miRNA modulation in patients with complex regional pain syndrome (CRPS) a chronic pain condition resulting from dysfunction in the central and/or peripheral nervous systems. Due to a multitude of inciting pathologies, symptoms and treatment conditions, the CRPS patient population is very heterogeneous. Our goal was to identify differentially expressed miRNAs in blood and explore their utility in patient stratification.MethodsWe profiled miRNAs in whole blood from 41 patients with CRPS and 20 controls using TaqMan low density array cards. Since neurogenic inflammation is known to play a significant role in CRPS we measured inflammatory markers including chemokines, cytokines, and their soluble receptors in blood from the same individuals. Correlation analyses were performed for miRNAs, inflammatory markers and other parameters including disease symptoms, medication, and comorbid conditions.ResultsThree different groups emerged from miRNA profiling. One group was comprised of 60% of CRPS patients and contained no control subjects. miRNA profiles from the remaining patients were interspersed among control samples in the other two groups. We identified differential expression of 18 miRNAs in CRPS patients. Analysis of inflammatory markers showed that vascular endothelial growth factor (VEGF), interleukin1 receptor antagonist (IL1Ra) and monocyte chemotactic protein-1 (MCP1) were significantly elevated in CRPS patients. VEGF and IL1Ra showed significant correlation with the patients reported pain levels. Analysis of the patients who were clustered according to their miRNA profile revealed correlations that were not significant in the total patient population. Correlation analysis of miRNAs detected in blood with additional parameters identified miRNAs associated with comorbidities such as headache, thyroid disorder and use of narcotics and antiepileptic drugs.ConclusionsmiRNA profiles can be useful in patient stratification and have utility as potential biomarkers for pain. Differentially expressed miRNAs can provide molecular insights into gene regulation and could lead to new therapeutic intervention strategies for CRPS.

Dataset Information

Experiences of diagnosis and treatment for upper limb Complex Regional Pain Syndrome: a qualitative analysis.

Introduction

Methods

Results

Conclusions

Publications

Experiences of diagnosis and treatment for upper limb Complex Regional Pain Syndrome: a qualitative analysis.

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