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Complex regional pain syndrome - phenotypic characteristics and potential biomarkers
Journal article   Open access   Peer reviewed

Complex regional pain syndrome - phenotypic characteristics and potential biomarkers

Frank Birklein, Seena K Ajit, Andreas Goebel, Roberto S G M Perez and Claudia Sommer
Nature reviews. Neurology, v 14(5), pp 272-284
May 2018
PMID: 29545626
url
https://europepmc.org/articles/pmc6534418View
Accepted (AM)Open Access (License Unspecified) Open

Abstract

Biomarkers Complex Regional Pain Syndromes - diagnosis Complex Regional Pain Syndromes - immunology Complex Regional Pain Syndromes - metabolism Complex Regional Pain Syndromes - physiopathology Humans RNA, Small Untranslated
Complex regional pain syndrome (CRPS) is a pain condition that usually affects a single limb, often following an injury. The underlying pathophysiology seems to be complex and probably varies between patients. Clinical diagnosis is based on internationally agreed-upon criteria, which consider the reported symptoms, presence of signs and exclusion of alternative causes. Research into CRPS biomarkers to support patient stratification and improve diagnostic certainty is an important scientific focus, and recent progress in this area provides an opportunity for an up-to-date topical review of measurable disease-predictive, diagnostic and prognostic parameters. Clinical and biochemical attributes of CRPS that may aid diagnosis and determination of appropriate treatment are delineated. Findings that predict the development of CRPS and support the diagnosis include trauma-related factors, neurocognitive peculiarities, psychological markers, and local and systemic changes that indicate activation of the immune system. Analysis of signatures of non-coding microRNAs that could predict the treatment response represents a new line of research. Results from the past 5 years of CRPS research indicate that a single marker for CRPS will probably never be found; however, a range of biomarkers might assist in clinical diagnosis and guide prognosis and treatment.

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Clinical Neurology
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