Circulation journal : official journal of the Japanese Circulation Society · 2005
Serial changes in circulating concentrations of soluble CD40 ligand and C-reactive protein in patients with unstable angina undergoing coronary stenting.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Yip Hon-Kan, Wu Chiung-Jen, Yang Cheng-Hsu, Chang Hsueh-Wen, Fang Chih-Yuan, Hung Wei-Chin, Hang Chi-Ling
Аннотация
BACKGROUND: This study tested the hypothesis that serum concentrations of high-sensitivity C-reactive protein (hs-CRP) and soluble CD40 ligand (sCD40L) significantly reflect serial changes in patients with unstable angina, and thus the serum concentrations of these inflammatory biomarkers may be good candidates for predicting late restenosis after coronary stenting.
METHODS AND RESULTS: The circulating concentrations of sCD40L and hs-CRP were prospectively measured (both pre-procedure, and on days 21, 90, and 180 after the procedure) in 77 consecutive patients with unstable angina undergoing coronary stenting. These inflammatory mediators were also evaluated in 30 healthy volunteers. The serum concentrations of sCD40L and hs-CRP were significantly higher pre-procedure in study patients than in normal control subjects (all p values < 0.0001). These inflammatory markers then declined to a substantially lower concentration by day 21 (all p values < 0.05). Circulating concentrations of hs-CRP in each patient then differed little from each other afterwards. However, the sCD40L concentration was once again raised significantly on days 90 and 180 as compared to day 21 (both p values < 0.05). This study found no significant link between raised circulating concentrations of sCD40L and hs-CRP and late restenosis.
CONCLUSIONS: Circulating concentrations of sCD40L and hs-CRP were significantly increased in unstable angina patients pre-procedure and declined substantially thereafter. However, the circulating concentrations of these 2 inflammatory mediators were not useful in predicting late restenosis following coronary stenting.
METHODS AND RESULTS: The circulating concentrations of sCD40L and hs-CRP were prospectively measured (both pre-procedure, and on days 21, 90, and 180 after the procedure) in 77 consecutive patients with unstable angina undergoing coronary stenting. These inflammatory mediators were also evaluated in 30 healthy volunteers. The serum concentrations of sCD40L and hs-CRP were significantly higher pre-procedure in study patients than in normal control subjects (all p values < 0.0001). These inflammatory markers then declined to a substantially lower concentration by day 21 (all p values < 0.05). Circulating concentrations of hs-CRP in each patient then differed little from each other afterwards. However, the sCD40L concentration was once again raised significantly on days 90 and 180 as compared to day 21 (both p values < 0.05). This study found no significant link between raised circulating concentrations of sCD40L and hs-CRP and late restenosis.
CONCLUSIONS: Circulating concentrations of sCD40L and hs-CRP were significantly increased in unstable angina patients pre-procedure and declined substantially thereafter. However, the circulating concentrations of these 2 inflammatory mediators were not useful in predicting late restenosis following coronary stenting.