对ToDay的验证,这是一种针对深静脉血栓的简化诊断算法
Sasha Sharma1, Linnea Soon2, Kerstin de Wit3
1Department of Statistics, University of British Columbia, Vancouver, British Columbia, Canada.
Journal of thrombosis and haemostasis : JTH
|July 18, 2025
概括
ToDay算法提供了一种安全有效的方法来诊断深静脉血栓症 (DVT),减少了对超声波的需求. 这种简化方法改善了对DVT诊断的临床实践遵守.
科学领域:
- 医学诊断 医学诊断 医学诊断
- 临床决策支持 临床决策支持
- 血栓形成研究研究
背景情况:
- 目前的深静脉血栓症 (DVT) 诊断算法由于复杂性而面临较低的坚持.
- 简化诊断策略对于改善临床实践和准确性至关重要.
- ToDay算法将医生评估与D-二次体测试相结合,用于简化DVT诊断.
研究的目的:
- 使用现有数据验证ToDay算法的有效性.
- 在现实世界临床环境中评估ToDay算法的性能.
- 评估算法对诊断工作流程和资源利用的影响.
主要方法:
- 对4D研究数据的回顾性分析 (NCT02038530).
- 应用了ToDay算法,考虑了DVT的可能性和D-二次数水平 (包括年龄调整的值).
- 主要结局:90天有症状的静脉血栓栓塞 (VTE);次要结局:避免超声波成像.
主要成果:
- 在1334名患者中,ToDay算法排除了DVT,其中VTE失败率为0.75%.
- 深静脉血栓症 (DVT) 在10.9% (163/1497) 的患者中被诊断出.
- 38.6%的患者避免了超声波成像的需要.
结论:
- ToDay算法是DVT诊断的安全有效替代方案,简化了这个过程.
- 它显著减少了对超声波成像的依赖,提高了在紧急情况下的效率.
- 建议在ToDay算法的广泛临床采用之前进行前性验证.
相关概念视频
Venous Thrombosis III: Interprofessional Care
23
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...
23
Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies
37
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...
37
Venous Thrombosis I: Introduction
42
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...
42
Venous Thrombosis IV: Nursing Management
24
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,...
24
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care
45
Diagnosing Pulmonary EmbolismDiagnosing pulmonary embolism (PE) involves clinical assessment and advanced imaging tests. The preferred diagnostic tool is the spiral (helical) CT scan or CT angiography (CTA), which uses intravenous contrast media to visualize the pulmonary vasculature and identify emboli.A ventilation-perfusion (V/Q) scan is an alternative for patients unable to receive contrast media. This scan includes both perfusion and ventilation scanning. Perfusion scanning involves...
45
Pulmonary Embolism III: Nursing Management
42
A pulmonary embolism occurs when a thrombus, amniotic fluid, tumor tissue, fat, or air embolus blocks one or more pulmonary arteries. Effective nursing management and patient education are crucial for improving outcomes and preventing recurrence.Nursing management starts with obtaining a comprehensive patient history, particularly noting any history of deep vein thrombosis (DVT). Assess for clinical manifestations, including dyspnea, chest pain, crackles, heart murmurs, and signs of right-sided...
42


