• Intern Emerg Med · Oct 2023

    Clinical, laboratory and ultrasonographic findings at baseline predict long-term outcome of polymyalgia rheumatica: a multicentric retrospective study : Polymyalgia rheumatica predicted by ultrasonographic findings polymyalgia rheumatica outcome predicted early by ultrasound.

    • Edoardo Conticini, Paolo Falsetti, Miriana d'Alessandro, Suhel Gabriele Al Khayyat, Silvia Grazzini, Caterina Baldi, Caterina Acciai, Stefano Gentileschi, Roberto D'Alessandro, Francesca Bellisai, Giovanni Biasi, Cristiana Barreca, Elena Bargagli, Luca Cantarini, and Bruno Frediani.
    • Department of Medicine, Surgery and Neurosciences, Rheumatology Unit, University of Siena, Viale Mario Bracci, 53100, Siena, Italy.
    • Intern Emerg Med. 2023 Oct 1; 18 (7): 192919391929-1939.

    AbstractTo assess the rate of PMR who, during the follow-up, undergo a diagnostic shift as well as to assess which clinical, laboratory and US findings are associated to a diagnostic shift and predict the long-term evolution of PMR. All PMR followed-up for at least 12 months were included. According to the US procedures performed at diagnosis, patients were subdivided into four subgroups. Clinical data from follow-up visits at 12, 24, 48 and 60 months, including a diagnostic shift, the number of relapses and immunosuppressive and steroid treatment, were recorded. A total of 201 patients were included. During the follow-up, up to 60% had a change in diagnosis. Bilateral LHBT was associated with persistence in PMR diagnosis, whereas GH synovitis and RF positivity to a diagnostic shift. Patients undergoing diagnostic shift had a higher frequency of GH synovitis, shoulder PD, higher CRP, WBC, PLT and Hb and longer time to achieve remission, while those maintaining diagnosis had bilateral exudative LHBT and SA-SD bursitis, higher ESR, lower Hb and shorter time to remission. Cluster analysis identified a subgroup of older patients, with lower CRP, WBC, PLT and Hb, lower PD signal or peripheral synovitis who had a higher persistence in PMR diagnosis, suffered from more flares and took more GCs. Most PMR have their diagnosis changed during follow-up. The early use of the US is associated with a lower dosage of GCs. Patients with a definite subset of clinical, laboratory and US findings seem to be more prone to maintain the diagnosis of PMR.© 2023. The Author(s).

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