A systematic scoping review and conceptual analysis of new-onset fibromyalgia manifestations after non-hospitalized COVID-19: empirics, definitions, methodologies, pathophysiology, mapping of literature, and knowledge gaps
Abstract
Background: The global coronavirus pandemic has led to a quiet wave of a chronic illness referred to as 'Long/Post Covid-19 syndrome' (LC) which bears a notable resemblance to functional-somatic or 'fibromyalgia-type' syndromes, and whose pathophysiology is undetermined. The lack of effective therapies for LC is straining healthcare systems worldwide and causing widespread public health and socioeconomic concerns. "Fibromyalgia" is a controversial chronic pain condition of unknown etiology largely attributed to generalized sensory hypersensitivity due to dysregulated central pain processing pathways (i.e. neuroplasting central sensitization). Despite intense research and growing attention in the scientific community, the clinical overlap of fibromyalgia, somatic symptom disorder, and post-viral chronic fatigue, is a medical puzzle yet to be solved, especially when occurring in non-severe infections and previously healthy individuals.
Methods: This systematic scoping review covers the empirical findings on new-onset fibromyalgia manifestations after non-hospitalized covid-19. MEDLINE, Web of Science, and APA PsycINFO were searched in a systematic scoping approach for empirical studies on new-onset fibromyalgia after non-severe non-hospitalized covid-19, charting study characteristics and outcome data. A total of 228 records were included.
Findings: Various types of methods, tools, and study designs are being used for LC research, with inconsistency in key concepts and…
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