血清总比利鲁宾升高可能表明不稳定的胸痛患者的冠状动脉状况不佳,除了作为心血管保护剂外
Qi Liang1, Yongjian Zhang1, Jin Liang2
1Department of Cardiology, First Affiliated Hospital of Xi'an Jiaotong University, No. 277 Yanta Rd, Shaanxi, Xi'an 710061, China.
Cardiovascular therapeutics
|September 14, 2023
概括
在不稳定的胸痛 (UAP) 患者中,血清总 bilirubin (STB) 的升高与更严重的冠状动脉病变和更差的结局相关. 较高的STB水平可能表明冠状动脉缓慢流动,并预测不良事件,挑战其唯一的保护作用.
科学领域:
- 心脏病学 心脏病学
- 生物化学 生物化学
背景情况:
- 血清总白血素 (STB) 以其抗氧化和血管保护性质而闻名.
- 然而,在患有复杂冠状动脉疾病的不稳定性胸痛 (UAP) 患者中观察到升高的STB水平.
- 在UAP患有扩散冠状动脉病变的患者中,STB的特定作用需要进一步研究.
研究的目的:
- 为了研究血清总 bilirubin (STB) 水平和冠状动脉病变特征在不稳定的胸痛 (UAP) 患者之间的关联.
- 探索STB在预测冠状动脉慢流和UAP患者不良结果的预后价值.
主要方法:
- 对296名UAP患者的回顾性分析,按加拿大心血管学会 (CCS) 胸痛等级分层.
- 使用SYNTAX评分和心肌梗塞流量计数 (CTFC) 中纠正的血栓溶解对冠状动脉特征的评估.
- 统计分析包括回归建模和卡普兰-梅尔生存分析.
主要成果:
- 升高的STB,以及MPV,hs-CRP,FBG,RDW和CTFC,在高风险的CCS胸痛组显著更高.
- 在UAP患者中,STB和MPV被确定为SYNTAX得分变化的显著指标.
- STB水平≥21.7μmol/L与冠状动脉缓慢流动 (AUC:0.88) 强烈相关,并预测了较差的一年结果 (HR:2.01).
结论:
- 在UAP患者中,血清总 bilirubin (STB) 的升高与冠状动脉疾病的严重程度密切相关,如SYNTAX评分所示.
- 超过21.7μmol/L的STB水平作为识别冠状动脉慢流的潜在生物标志物.
- 升高的STB与UAP患者不良后果的风险增加有关,这表明它除了抗氧化特性之外还起着复杂的作用.
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