Objective. To determine laboratory parameters that may be useful in identifying polymyalgia rheumatica (PMR) patients who require long-term corticosteroid therapy. Methods. A prospective followup study of 94 consecutive untreated patients with PMR were assessed for relapse/recurrence for a mean of 39 months. This cohort represented all the patients diagnosed over a 4-year period in 2 Italian secondary referral centers. Patients were monitored for clinical signs and symptoms, erythrocyte sedimentation rate (ESR), C-reactive protein (CRP), and serum interleukin-6 (IL-6). IL-6 levels were also measured in 43 controls matched to the patients for age and sex. Results The ESR was elevated in 91.5% of the patients prior to therapy initiation, as were CRP in 98.9% and serum IL-6 in 92.6%. Forty-seven (50.0%) patients had at least 1 relapse/recurrence during the followup period and 24 (25.5%) had at lease 2. After 4 weeks of prednisone therapy, ESR was elevated in 13.2% patients, CRP in 41.9%, and serum IL-6 in 37.2%. IL-6 levels remained persistently elevated in 9.9% and CRP in 8.7% of patients during the first year of followup, whereas no patient had persistently elevated ESR. Persistently elevated CRP and IL-6 levels were significantly associated with an increased risk of relapse/recurrence. In particular, patients with persistently elevated levels of IL-6 during the first year of therapy had the highest relative risk. Conclusion. Despite the control of clinical symptoms, corticosteroids do not adequately control the inflammatory process in a subset of patients with PMR who have persistently elevated levels of CRP and IL-6 and who have a higher risk of relapsing.
Acute-phase reactants and the risk of relapse/recurrence in polymyalgia rheumatica: a prospective followup study / Salvarani, Carlo; Cantini, Fabrizio; Niccoli, Laura; Macchioni, Pierluigi; Consonni, Dario; Bajocchi, Gianluigi; Vinceti, Marco; Catanoso, Maria Grazia; Pulsatelli, Lia; Meliconi, Riccardo; Boiardi, Luigi. - In: ARTHRITIS AND RHEUMATISM. - ISSN 0004-3591. - STAMPA. - 53(2005), pp. 33-38. [10.1002/art.20901]
Data di pubblicazione: | 2005 | |
Titolo: | Acute-phase reactants and the risk of relapse/recurrence in polymyalgia rheumatica: a prospective followup study | |
Autore/i: | Salvarani, Carlo; Cantini, Fabrizio; Niccoli, Laura; Macchioni, Pierluigi; Consonni, Dario; Bajocchi, Gianluigi; Vinceti, Marco; Catanoso, Maria Grazia; Pulsatelli, Lia; Meliconi, Riccardo; Boiardi, Luigi | |
Autore/i UNIMORE: | ||
Digital Object Identifier (DOI): | http://dx.doi.org/10.1002/art.20901 | |
Rivista: | ||
Volume: | 53 | |
Pagina iniziale: | 33 | |
Pagina finale: | 38 | |
Codice identificativo ISI: | WOS:000226854300007 | |
Codice identificativo Scopus: | 2-s2.0-13444294248 | |
Codice identificativo Pubmed: | 15696567 | |
Citazione: | Acute-phase reactants and the risk of relapse/recurrence in polymyalgia rheumatica: a prospective followup study / Salvarani, Carlo; Cantini, Fabrizio; Niccoli, Laura; Macchioni, Pierluigi; Consonni, Dario; Bajocchi, Gianluigi; Vinceti, Marco; Catanoso, Maria Grazia; Pulsatelli, Lia; Meliconi, Riccardo; Boiardi, Luigi. - In: ARTHRITIS AND RHEUMATISM. - ISSN 0004-3591. - STAMPA. - 53(2005), pp. 33-38. [10.1002/art.20901] | |
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