{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,14]],"date-time":"2026-10-14T18:34:49Z","timestamp":1792002889867,"version":"4.4.0"},"reference-count":34,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2024,8,22]],"date-time":"2024-08-22T00:00:00Z","timestamp":1724284800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc\/4.0\/"}],"content-domain":{"domain":["acrjournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Arthritis &amp; Rheumatology"],"published-print":{"date-parts":[[2024,12]]},"abstract":"<jats:sec><jats:title>Objective<\/jats:title><jats:p>The study objective was to examine the disease, demographic, and imaging features associated with different inflammatory phenotypes of calcium pyrophosphate deposition (CPPD) disease, ie, recurrent acute calcium pyrophosphate (CPP) crystal arthritis, chronic CPP crystal inflammatory arthritis, and crowned dens syndrome (CDS).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Data from an international cohort (assembled from 25 sites in 7 countries for the development and validation of the 2023 CPPD classification criteria from the American College of Rheumatology\/EULAR) that met the criteria were included. Three cross\u2010sectional studies were conducted to determine the phenotypic characteristics of recurrent acute CPP crystal arthritis, chronic CPP crystal inflammatory arthritis, and CDS. Multivariable logistic regression analysis was used to calculate adjusted odds ratio (aOR) and 95% confidence interval (CI) to examine the association between potential risk factors and the inflammatory phenotype.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Among the 618 people included (56% female; mean age [standard deviation] 74.0 [11.9] years), 602 (97.4%) had experienced acute CPP crystal arthritis, 332 (53.7%) had recurrent acute arthritis, 158 (25.6%) had persistent inflammatory arthritis, and 45 (7.3%) had had CDS. Recurrent acute CPP crystal arthritis associated with longer disease duration (aOR 2.88 [95% CI 2.00\u20134.14]). Chronic CPP crystal inflammatory arthritis was associated with acute wrist arthritis (aOR 2.92 [95% CI 1.81\u20134.73]), metacarpophalangeal joint osteoarthritis (aOR 1.87 [95% CI 1.17\u20132.97]), and scapho\u2010trapezo\u2010trapezoid (STT) joint osteoarthritis (aOR 1.83 [95% CI 1.15\u20132.91]), and it was negatively associated with either metabolic or familial risk for CPPD (aOR 0.60 [95% CI 0.37\u20130.96]). CDS was associated with male sex (aOR 2.35 [95% CI 1.21\u20134.59]), STT joint osteoarthritis (aOR 2.71 [95% CI 1.22\u20136.05]), and more joints affected with chondrocalcinosis (aOR 1.46 [95% CI 1.15\u20131.85]).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>CPPD disease encompasses acute and chronic inflammatory phenotypes, each with specific clinical and imaging features that need to be considered in the diagnostic workup.<\/jats:p><\/jats:sec>","DOI":"10.1002\/art.42962","type":"journal-article","created":{"date-parts":[[2024,8,1]],"date-time":"2024-08-01T06:19:14Z","timestamp":1722493154000},"page":"1780-1788","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Features Associated With Different Inflammatory Phenotypes of Calcium Pyrophosphate Deposition Disease: A Study Using Data From the International American College of Rheumatology\/EULAR Calcium Pyrophosphate Deposition Classification Criteria Cohort"],"prefix":"10.1002","volume":"76","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8395-826X","authenticated-orcid":false,"given":"Tristan","family":"Pascart","sequence":"first","affiliation":[{"name":"Lille Catholic University, Saint\u2010Philibert Hospital  Lille France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1087-7768","authenticated-orcid":false,"given":"Augustin","family":"Latourte","sequence":"additional","affiliation":[{"name":"Universit\u00e9 Paris Cit\u00e9, INSERM, UMR\u2010S 1132 BIOSCAR and Service de Rhumatologie, AP\u2010HP, Lariboisi\u00e8re Hospital  Paris France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9475-1363","authenticated-orcid":false,"given":"Sara K.","family":"Tedeschi","sequence":"additional","affiliation":[{"name":"Brigham and Women's Hospital and Harvard Medical School  Boston 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