用血栓生成作为预测器的血栓形成在周围动脉疾病的使用
Mounika Naidu Boya1, Isabella F Cieri1, Adriana Araceli Rodriguez Alvarez1
1Division of Vascular and Endovascular Surgery, Massachusetts General Hospital, Boston, MA.
Annals of vascular surgery
|May 28, 2025
概括
血栓生成试验可以预测血栓形成在周围动脉疾病 (PAD) 患者在重血管化后. 较高的峰值血栓生成 (TG) 和TG速率表明血栓形成风险增加,有助于患者分层.
科学领域:
- 血管外科 血管外科
- 血液学 血液学 血液学
- 凝血科学 凝血科学
背景情况:
- 支架或旁路移植血栓形成是外周动脉疾病 (PAD) 患者的截肢的主要原因.
- 校准自动血栓学 (CAT) 测量血栓生成 (TG) 并评估出血风险,但其在PAD血栓症中的预测效用仍未得到研究.
研究的目的:
- 评估校准自动血栓学 (CAT) 的潜力,以预测外周动脉疾病 (PAD) 患者在重血管化后发生的血栓事件.
主要方法:
- 预期招募79名PAD患者进行重血管化.
- 在程序后的序列时间点测量CAT参数 (延迟时间,峰值TG,TG速率,内源性血栓潜在).
- 患有或没有血栓事件的患者之间的CAT参数的统计比较,包括接收器操作特征 (ROC) 曲线分析.
主要成果:
- 血栓事件发生在25.3%的患者中.
- 血栓形成的患者显示高峰TG (P=0.045) 和高峰TG率 (P=0.005) 显著更高.
- 与峰值TG (AUC=0.650) 相比,TG率在预测血栓形成方面表现出更好的区分能力 (AUC=0.708).
结论:
- 通过CAT测量的峰值TG和TG速率可以作为预测PAD患者血栓事件的有价值指标.
- 这些参数可以帮助识别针对性干预的高风险个体.
相关概念视频
Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation
40
Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
40
Peripheral Artery Disease I: Introduction
37
Peripheral artery disease (PAD) predominantly results from atherosclerosis, which involves the accumulation of fatty deposits, or plaques, within the walls of arteries. This causes them to narrow and harden, significantly reducing blood flow. PAD predominantly affects the legs, particularly the arteries supplying the thighs and calves. In rare cases, it may involve other arteries, including those in the arms.Etiology of PAD:The principal cause of PAD is atherosclerosis, which results from fatty...
37
Anticoagulant Drugs: Low-Molecular-Weight Heparins
932
Hemostasis is a crucial process that prevents excessive blood loss from damaged blood vessels. It involves various mechanisms such as vasoconstriction, platelet adhesion and activation, and fibrin formation. The importance of each mechanism depends on the type of vessel injury. In contrast, thrombosis is the abnormal formation of a blood clot within the blood vessels, leading to potential complications if the clot obstructs blood flow. Thrombosis can be caused by increased coagulability of the...
932
Venous Thrombosis III: Interprofessional Care
28
Venous thrombosis requires effective prevention and treatment strategies to improve patient outcomes and reduce potential complications.Prevention StrategiesHealthcare providers must prioritize preventing venous thromboembolism (VTE) for all adult patients upon admission. Interventions depend on bleeding and thrombosis risk, medical history, current medications, diagnoses, planned procedures, and patient preferences. Patients on bed rest should change positions every two hours and, if not...
28
Venous Thrombosis I: Introduction
47
Venous thrombosis, the most common disorder of the veins, involves the formation of a thrombus or blood clot associated with vein inflammation. It can be classified as either superficial vein thrombosis or deep vein thrombosis.Superficial Vein Thrombosis: This involves the formation of a thrombus in a superficial vein, usually the greater or lesser saphenous vein. Though less severe than deep vein thrombosis (DVT), SVT can lead to complications if untreated.Deep Vein Thrombosis (DVT): This...
47
Clot Retraction and Fibrinolysis
6.9K
After a fibrin clot is formed, the next step is clot retraction, a vital process facilitated by platelet contractile proteins, such as actin and myosin. These proteins pull the fibrin strands closer together and condense the clot. This action reduces the size of the clot, creating a smaller, denser structure that effectively seals off the damaged vessel. Clot retraction consolidates the clot and helps with wound healing by bringing the edges of the damaged blood vessel closer together.
6.9K


