期刊
CIRCULATION JOURNAL
卷 71, 期 2, 页码 186-190出版社
JAPANESE CIRCULATION SOCIETY
DOI: 10.1253/circj.71.186
关键词
acute coronary syndromes; inflammation; prognosis
Background Elevated C-reactive protein (CRP) is associated with adverse outcomes in non-ST-segment elevation acute coronary syndromes (NSTE-ACS); however, the prognostic significance of serum amyloid A (SAA), also an important inflammatory marker, remains unclear. Methods and Results The ability of SAA, in combination with CRP, to predict clinical outcomes was evaluated in 277 patients with NSTE-ACS. Patients were classified according to the presence or absence of elevated SAA (> 0.8 mg/dl) and elevated high-sensitivity CRP (> 0.200 mg/dl) on admission: group 1, both SAA and CRP normal (n = 133); group 2, SAA normal, but CRP elevated (n = 30); group 3, SAA elevated, but CRP normal (n = 28); and group 4, both SAA and CRP elevated (n = 86). In groups 1, 2 3, and 4, the rates of combined endpoints including death, (re)infarction, or urgent target-vessel revascularization at 30 days were 8%, 3%, 25%, and 23%, respectively (p = 0.002). Multivariate analysis showed that as compared with group 1, the odds ratios for combined endpoints in groups 2, 3, and 4 were 0.50 (p = 0.30), 1.95 (p = 0.038), and 1.86 (p = 0.044), respectively. Conclusions Regardless of the level of CRP, elevated SAA is associated with adverse 30-day outcomes in patients with NSTE-ACS, so SAA is a better predictor of clinical outcome than CRP in these patients.
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