The platelet functions in patients with ankylosing spondylitis: anti-TNF-α therapy decreases the mean platelet volume and platelet mass.
2010
The present study was designed to investigate the interaction between platelet indices (mean platelet volume (MPV), platelet count (PLC) and platelet mass (PLM)), inflammatory markers and disease activity in ankylosing spondylitis (AS) subjects. The effects of anti-TNF-α therapy and conventional treatment on platelet indices were also compared. We studied 68 patients with AS (group I, 46 men, age: 36.4 ± 6.9 years) and as control group 34 age and sex-matched healty subjects. All patients received conventional therapy (CT) at the beginning (Group I). The patients were reevaluated after 3 months according to Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) score. Group II consisted of 35 subjects who responded to the CT and continued to take the same therapy for 3 months additionally. Group III consisted of 33 subjects who had a high disease activity score (BASDAI > 4) after 3 months and were accepted refractory to the CT therapy. In Group III the treatment was switched to infliximab and continue...
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