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Serum levels of long pentraxin PTX3 in patients with polymyalgia rheumatica
L Pulsatelli1, G Peri, P Macchioni
1Istituto Ortopedico Rizzoli, IRCCS, Bologna, Italy. lia.pulsatelli@ior.it.
Objectives:
To evaluate PTX3 feasibility to provide a prognostic tool in PMR clinical practice.
Methods:
Circulating PTX3 levels were measured in 93 PMR patients at disease onset and during corticosteroid therapy and in 46 normal controls (NC) by ELISA.
Results:
No difference in PTX3 concentrations was observed between NC and PMR either at disease onset and during follow-up or between groups of patients defined according to the presence of recurrence/relapse.
Conclusions:
PTX3 serum levels do not increase significantly in active PMR. Further studies on patients with giant-cell arteritis could evaluate whether large vessel involvement may be associated to increased PTX3 levels.
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