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Isabella Ferlini Cieri¹, Shiv Patel¹, Adriana A Rodriguez Alvarez¹

¹Division of Vascular and Endovascular Surgery, Massachusetts General Hospital, Boston, MA.

Annals of vascular surgery

|January 29, 2025

概括

患有功能下降的患者表现出血栓强度和纤维素水平的增加,表明高凝血状态. 然而,这些实验室发现并没有导致更多的临床出血或血栓事件.

科学领域:

腎臟病學 (nephrology) 是一種醫學專業.
血液学血液学血液学
心血管医学心血管医学

背景情况:

慢性病 (CKD) 与前血栓状况有关,通过改变血小板功能和凝血影响血静.
传统的凝血试验对CKD患者的这些复杂变化提供了有限的洞察力.
血栓形成显微镜 (TEG) 提供了对凝块形成动态的全面评估,这对于评估CKD中的凝血非常有价值.

研究的目的:

评估和比较血液凝结概况在不同类别的淋巴细胞过率 (GFR) 在接受再血管化的患者.
使用血栓形成显微镜 (TEG) 来详细分析与功能相关的凝血动态.
研究不同GFR水平对关键静血参数的影响.

主要方法:

对254名患有外围动脉疾病的患者进行再血管化治疗的前性评估 (2020-2023年12月).
患者分为三个GFR分层:>60毫升/分钟,30-59毫升/分钟和<30毫升/分钟.
使用TEG参数 (最大幅度,引用功能性纤维素,功能性纤维素水平) 分析的手术前血液样本;用于统计分析的克鲁斯卡尔-瓦利斯测试.

主要成果:

功能下降与逐渐更高的TEG参数相关,包括最大幅度 (MA) 和引用功能性纤维素 (CFF) 水平.
观察到纤维素水平升高 (CFF FLEV) 和凝血强度 (MA) 与较低的GFR,表明高凝血能力增加.
单抗血小板治疗 (MAPT) 的患者表现出比双抗血小板治疗 (DAPT) 的患者更高的凝血标志物,特别是在严重的CKD中.

结论:

降低功能与相对高凝血性有关,其特点是纤维素素增加和较强的血栓形成.
虽然DAPT与MAPT相比降低了凝血标记,但血小板反应性在GFR类别中是相似的.
尽管实验室证据表明高凝血性,但在GFR类别之间没有观察到临床出血或动脉血栓事件的显著差异.

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