在阿斯巴拉金酶治疗的ALL患者中推导和外部验证静脉血栓栓塞风险预测模型
Daniela R Anderson1, Radhika Gangaraju2, Wafik G Sedhom3
1University of Chicago, Chicago, Illinois, United States.
Blood advances
|October 31, 2025
概括
接受阿斯巴拉金酶治疗的急性淋巴细胞白血病 (ALL) 患者面临高静脉血栓栓塞 (VTE) 风险. 使用D-二聚体和血红蛋白水平的新模型可以帮助预测这些患者的静脉瘤风险.
科学领域:
- 血液学 血液学 血液学
- 在瘤学瘤学.
- 临床研究 临床研究
背景情况:
- 静脉血栓塞栓症 (VTE) 是急性淋巴细胞白血病 (ALL) 患者接受基于阿斯巴拉金酶的诱导疗法的重大并发症.
- 目前的血栓预防策略在预防高风险人群中的VTE方面表现出有限的有效性.
研究的目的:
- 开发和外部验证新诊断ALL的成人患者VTE风险的预测模型,接受基于阿斯巴拉基纳斯的诱导.
- 确定诱导治疗期间与静脉瘤发育相关的关键临床因素.
主要方法:
- 一个多中心的回顾性队列研究,涉及衍生 (306名患者) 和外部验证 (94名患者) 队列.
- 用因特定的Cox比例危险模型来确定VTE风险因素,按血栓预防和治疗中心分层分层.
- 使用显著变量 (p<0.05) 推导出30天VTE风险预测模型,并在验证队列中进行了测试.
主要成果:
- 诊断时D-二元水平升高 (≥1μg FEU/mL) 和血红蛋白水平降低被确定为重要的VTE风险因素.
- 衍生风险得分有效地将患者分为衍生队列中的低 (4%) 和高 (20%) 30天VTE风险组,在验证队列中表现相似 (AUC0.56).
- 该模型显示了30天VTE的高负预测值 (96%导出,93%验证).
结论:
- 一个经过验证的VTE风险预测模型,包括D-二聚体和血红蛋白水平,可以在接受基于阿斯巴拉基纳斯的诱导的ALL患者中对VTE风险进行分层.
- 这种模型可以帮助识别高风险个人,他们可以从密集的监测或定制的预防策略中受益.
- 需要进一步的前性研究来证实这种VTE风险预测模型的临床实用性.
相关概念视频
01:29Venous Thrombosis III: Interprofessional Care
273
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...
273
01:20Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies
282
The key difference between Superficial Vein Thrombosis (SVT) and Deep Vein Thrombosis (DVT) lies in their location and severity.Clinical ManifestationsSVT typically presents with localized pain, tenderness, and redness along the course of a superficial vein, often accompanied by a palpable, cord-like structure under the skin. This condition is usually less dangerous than DVT but can be uncomfortable and may lead to complications such as cellulitis or, rarely, a clot extension into the deep...
282
01:30Venous Thrombosis IV: Nursing Management
191
Nursing management begins with a thorough assessment of the patient's health history. Key factors include trauma to veins, peripherally inserted central catheters, varicose veins, recent pregnancy or childbirth, surgery, bacteremia, prolonged bed rest, atrial fibrillation, COPD, heart failure, cancer, coagulation disorders, myocardial infarction, spinal cord injury, stroke, prolonged travel, recent bone fractures, and dehydration. Review medication intake, particularly oral contraceptives,...
191