ArticleEuropean journal of neurology2024
Optical coherence tomography assessment of disease activity in cryopyrin-associated periodic syndrome.
Article in European journal of neurology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed, 1 citations in OpenAlex.
- Optical coherence tomography assessment of disease activity in cryopyrin-associated periodic syndrome.European journal of neurology · 2024Article
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Authors and funding
6 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
background and purposeCryopyrin-associated periodic syndrome is a rare autoinflammatory disease caused by gain-of-function mutations or variants in the NLRP3 gene. Clinically, patients suffer from a broad spectrum of both systemic and neurological symptoms. The aim of this study was to determine whether systemic inflammation demonstrated by serum amyloid A (SAA) elevation is associated with neuroinflammation assessed by optical coherence tomography (OCT).
methodsThirty eyes of 15 patients with NLRP3 low penetrance mutations (PwNLRP3) and 20 eyes of 10 age- and sex-matched healthy controls were examined by spectral-domain OCT as part of routine clinical care. All retinal layers and clinical features were evaluated.
resultsAt baseline no significant retinal neuroaxonal inflammation or degeneration was observed in all measured retinal layers amongst PwNLRP3 compared with healthy controls. In a pooled analysis of all individual OCT time points a significant difference regarding the macular retinal nerve fibre layer was detected. Increased levels of SAA showed a positive association with averaged combined outer plexiform layer and outer nuclear layer volumes (ρ < 0.0001, r
conclusionIn cryopyrin-associated periodic syndrome increased combined outer plexiform layer and outer nuclear layer volumes are mirrored by SAA increase, an acute phase reactant indicating systemic inflammation. Our findings identify OCT as a candidate biomarker to monitor subclinical neuroinflammation and to assess disease activity in PwNLRP3.
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