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dc.contributor.authorStewart, Sen_NZ
dc.contributor.authorDalbeth, Nen_NZ
dc.contributor.authorAllen, Ben_NZ
dc.contributor.authorRhian, Men_NZ
dc.contributor.authorVandal, AVen_NZ
dc.contributor.authorRome, Ken_NZ
dc.date.accessioned2016-09-18T23:02:00Z
dc.date.available2016-09-18T23:02:00Z
dc.date.copyright2016-09-14en_NZ
dc.identifier.citationArthritis Care & Research, 69(6), 875-883.
dc.identifier.urihttp://hdl.handle.net/10292/10027
dc.description.abstractObjective The first metatarsophalangeal (MTP1) joint is frequently affected in gout. The aim of this study was to identify ultrasound features of the MTP1 joint in people with gout and people with asymptomatic hyperuricemia compared with normouricemic controls. Methods Participants with gout (n = 23) and asymptomatic hyperuricemia (n = 29), and age- and sex-matched normouricemic control participants (n = 34), underwent a gray-scale and power Doppler ultrasound assessment of bilateral MTP1 joints by a single musculoskeletal radiologist. No participants had clinical evidence of joint inflammation at the time of scanning. The static images were later read by 2 musculoskeletal radiologists for the presence of the double contour sign, tophus, erosion, effusion, synovial hypertrophy, synovitis, and cartilage thickness. Results Compared to normouricemic control participants, participants with gout and participants with asymptomatic hyperuricemia had more frequent double contour sign (odds ratio [OR] 3.91, P = 0.011 and OR 3.81, P = 0.009, respectively). Participants with gout also had more erosion (OR 10.13, P = 0.001) and synovitis (OR 9.00, P < 0.001) and had greater tophus and erosion diameters (P = 0.035 and P < 0.001, respectively). More severe erosion and synovitis grades and a less severe effusion grade were independently associated with gout compared with asymptomatic hyperuricemia (R2 = 0.65, P < 0.001). Conclusion Urate deposition, synovitis, and bone erosion are common at the MTP1 joint in people with gout, even in the absence of flare. Although individuals with asymptomatic hyperuricemia lack ultrasound features of inflammation or structural joint changes, they demonstrate a similar frequency of urate deposition.
dc.publisherJohn Wiley & Sons
dc.relation.urihttp://onlinelibrary.wiley.com/doi/10.1002/acr.23082/abstract
dc.rightsCopyright © 2016 John Wiley & Sons. All rights reserved. Authors retain the right to place his/her pre-publication version of the work on a personal website or institutional repository. This article may not exactly replicate the final version published in (please see citation) as it is not a copy of this record. An electronic version of this article can be found online at: (Please see Publisher’s Version).
dc.titleUltrasound Features of the First Metatarsophalangeal Joint in Gout and Asymptomatic Hyperuricaemia: Comparison With Normouricaemic Individualsen_NZ
dc.typeJournal Article
dc.rights.accessrightsOpenAccessen_NZ
dc.identifier.doi10.1002/acr.23082
pubs.elements-id210476
aut.relation.journalArthritis Care and Researchen_NZ


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