{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,19]],"date-time":"2026-08-19T18:08:01Z","timestamp":1787162881853,"version":"build-2736575974"},"reference-count":35,"publisher":"BMJ","issue":"1","license":[{"start":{"date-parts":[[2023,3,27]],"date-time":"2023-03-27T00:00:00Z","timestamp":1679875200000},"content-version":"unspecified","delay-in-days":26,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["bmj.com"],"crossmark-restriction":true},"short-container-title":["RMD Open"],"accepted":{"date-parts":[[2023,3,13]]},"published-print":{"date-parts":[[2023,3]]},"abstract":"<jats:sec>\n                    <jats:title>Objective<\/jats:title>\n                    <jats:p>To characterise associations between individual nailfold capillary aberrations with autoantibodies in a cross-sectional study on children and adults with Raynaud\u2019s phenomenon (RP).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Consecutive children and adults with RP and without previously known connective tissue disease (CTD) systemically underwent nailfold capillaroscopy and laboratory tests for the presence of antinuclear antibodies (ANA). The prevalence of individual nailfold capillary aberrations and ANA was assessed, and the associations between individual nailfold capillary aberrations and ANA were analysed separately in children and adolescents.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>In total, 113 children (median age 15 years) and 2858 adults (median age 48 years) with RP and without previously known CTD were assessed. At least one nailfold capillary aberration was detected in 72 (64%) of included children and in 2154 (75%) of included adults with RP (children vs adults p&lt;0.05). An ANA titre \u22651:80, \u22651:160 or\u22651:320 was observed in 29%, 21% or 16% of included children, and in 37%, 27% or 24% of screened adults, respectively. While the occurrence of individual nailfold capillary aberrations was related to the presence of an ANA titre of \u22651:80 in adults (reduced capillary density, avascular fields, haemorrhages, oedema, ramifications, dilations and giant capillaries: each p&lt;0.001), no comparable association between nailfold capillary aberrations and ANA was observed in children with RP without previously known CTD.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>In contrast to adults, the association between nailfold capillary aberrations and ANA might be less pronounced in children. Further studies are warranted to validate these observations in children with RP.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1136\/rmdopen-2023-003077","type":"journal-article","created":{"date-parts":[[2023,3,27]],"date-time":"2023-03-27T11:26:10Z","timestamp":1679916370000},"page":"e003077","update-policy":"https:\/\/doi.org\/10.1136\/crossmarkpolicy","source":"Crossref","is-referenced-by-count":4,"title":["Associations between nailfold capillary aberrations and autoantibodies in children and adults with Raynaud\u2019s phenomenon"],"prefix":"10.1136","volume":"9","author":[{"given":"Markus","family":"Mueller","sequence":"first","affiliation":[{"name":"Division of Angiology, Department of Medicine II, Medical University of Vienna, Austria, Medical University of Vienna, Vienna, Austria"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael E","family":"Gschwandtner","sequence":"additional","affiliation":[{"name":"Division of Angiology, Department of Medicine 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