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Venous Thrombosis I: Introduction

Venous Thrombosis I: Introduction

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...

Venous Thrombosis III: Interprofessional Care

Venous Thrombosis III: Interprofessional Care

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...

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies

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...

Pulmonary Embolism I: Introduction

Pulmonary Embolism I: Introduction

Pulmonary embolism (PE) occurs when a thrombus, fat or air embolus, amniotic fluid, or tumor tissue blocks one or more pulmonary arteries. These blockages originate in the venous system or the right side of the heart.EtiologyPE primarily arises from deep vein thrombosis (DVT) and other hypercoagulable states, such as inherited thrombophilias. Additional etiological factors include venous stasis, commonly seen in obesity, and endothelial injury from surgery and trauma. Less common causes include...

Venous Thrombosis IV: Nursing Management

Venous Thrombosis IV: Nursing Management

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,...

Pulmonary Embolism III: Nursing Management

Pulmonary Embolism III: Nursing Management

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...

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Updated: Nov 5, 2025

Point-Of-Care Ultrasound Screening for Proximal Lower Extremity Deep Venous Thrombosis

Point-Of-Care Ultrasound Screening for Proximal Lower Extremity Deep Venous Thrombosis

Published on: February 10, 2023

静脉血栓栓塞

Faizan Khan¹, Tobias Tritschler², Susan R Kahn³

¹School of Epidemiology and Public Health, Ottawa Hospital Research Institute, University of Ottawa, Ottawa, ON, Canada; Clinical Epidemiology Program, Ottawa Hospital Research Institute, University of Ottawa, Ottawa, ON, Canada.

Lancet (London, England)

|May 13, 2021

概括

此摘要是机器生成的。

静脉血栓塞栓症 (VTE) 影响着全球数以百万计的人. 诊断结合了临床评分,D-二次测试和成像,并使用直接口服抗凝剂作为主要治疗.

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A Multicenter MRI Protocol for the Evaluation and Quantification of Deep Vein Thrombosis

A Multicenter MRI Protocol for the Evaluation and Quantification of Deep Vein Thrombosis

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Mouse Complete Stasis Model of Inferior Vena Cava Thrombosis

Mouse Complete Stasis Model of Inferior Vena Cava Thrombosis

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Last Updated: Nov 5, 2025

Point-Of-Care Ultrasound Screening for Proximal Lower Extremity Deep Venous Thrombosis

Point-Of-Care Ultrasound Screening for Proximal Lower Extremity Deep Venous Thrombosis

Published on: February 10, 2023

A Multicenter MRI Protocol for the Evaluation and Quantification of Deep Vein Thrombosis

A Multicenter MRI Protocol for the Evaluation and Quantification of Deep Vein Thrombosis

Published on: June 2, 2015

Mouse Complete Stasis Model of Inferior Vena Cava Thrombosis

Mouse Complete Stasis Model of Inferior Vena Cava Thrombosis

Published on: June 15, 2011

科学领域:

心脏病学
血液学
内部医学

背景情况:

静脉血栓塞栓症 (VTE),包括深静脉血栓和肺栓塞,是每年影响数百万人的重大全球健康问题.
虽然主要的手术和活跃的癌症是很强的风险因素,但许多静脉突发症是无缘的.
目前的诊断途径包括临床概率评估,D-二次测试和成像.

研究的目的:

提供静脉血栓栓塞的诊断,治疗和预防的概述.
突出口服抗凝剂 (DOAC) 在静脉突发症治疗中的作用.
讨论正在进行的VTE护理的研究方向.

主要方法:

连续诊断工作,包括临床评分 (例如,威尔斯评分),D-二次测试和成像 (超声波,CT,V/Q扫描).
大多数VTE患者 (包括癌症患者) 的第一线治疗是直接口服抗凝剂 (DOAC).
根据风险分层的抗凝药持续时间:因引起的事件而在3-6个月后停止治疗,因高风险或未引起的静脉动脉突发症而进行无限期治疗.

主要成果:

在临床概率低且D-二次数正常的患者中,可以排除VTE.
对于几乎所有静脉突发症患者来说,DOACs是首线治疗方案.
根据引起因素和复发风险与出血风险,对抗凝血的持续时间是个性化的.

结论:

有效诊断VTE依赖于多步骤的方法.
在现代静脉瘤治疗中,
未来的研究旨在完善诊断工具,比较抗凝剂,并个性化静脉瘤预防和管理策略.