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相关概念视频

Pulmonary Embolism I: Introduction01:29

Pulmonary Embolism I: Introduction

7
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...
7
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

10
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...
10
Pulmonary Embolism III: Nursing Management01:27

Pulmonary Embolism III: Nursing Management

15
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...
15
Venous Thrombosis I: Introduction01:30

Venous Thrombosis I: Introduction

11
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...
11
Radiological Investigation III: Pulmonary Angiogram and PET Scan01:13

Radiological Investigation III: Pulmonary Angiogram and PET Scan

97
Radiological investigations are paramount in the diagnosis and management of various pulmonary diseases. Two essential investigations are the Pulmonary Angiogram and the Positron Emission Tomography (PET) Scan.
Pulmonary Angiogram
A Pulmonary Angiogram is an invasive procedure involving injecting a contrast medium through a catheter threaded into the pulmonary artery or the right side of the heart to visualize the pulmonary vasculature. Computed Tomography (CT) scans have mainly replaced this...
97
Pulmonary Hypertension: Classification and Pathogenesis01:30

Pulmonary Hypertension: Classification and Pathogenesis

194
Pulmonary hypertension (PH) is a severe health condition in which the mean pulmonary arterial pressure increases to 25 mmHg or more, even when the body is at rest. This high pressure in the blood vessels that transport blood from the heart to the lungs can cause various symptoms, including shortness of breath, can lead to right heart failure, and significantly affect the overall quality of life.
There are various classifications for PH, each relating to different underlying causes and also...
194

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Updated: Jul 12, 2025

A Porcine Model of Acute Autologous Pulmonary Embolism
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A Porcine Model of Acute Autologous Pulmonary Embolism

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亚细分性肺栓塞症 肺栓塞症

Christine Baumgartner1, Tobias Tritschler1, Drahomir Aujesky1

  • 1Department of General Internal Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland.

Hamostaseologie
|October 23, 2023
PubMed
概括
此摘要是机器生成的。

细分肺栓塞 (SSPE) 的管理是不确定的. 最近的一项研究发现,未接受治疗的低风险患者有较高的静脉血栓栓塞复发率,这凸显了需要更多研究的需要.

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Establishment of a Minimally Invasive Rat Model of Pulmonary Embolism Using Autologous Blood Clots
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Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet
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Establishment of a Minimally Invasive Rat Model of Pulmonary Embolism Using Autologous Blood Clots
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Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet
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科学领域:

  • 肺部医学 肺部医学
  • 放射学 放射学是一门学科.
  • 心血管研究研究心血管研究

背景情况:

  • 由于先进的CTPA技术,细分肺栓塞 (SSPE) 诊断正在增加.
  • 将SSPE与成像文物区分开来,带来了诊断挑战.
  • 通常认为SSPE比邻近肺栓塞更为良性,质疑抗凝的必要性.

研究的目的:

  • 评估SSPE低风险患者抗凝血剂的风险效益比.
  • 为了解决一些SSPE患者不清楚的最佳管理策略.
  • 确定在SSPE管理中是否需要随机试验.

主要方法:

  • 对SSPE的诊断挑战和当前管理指南的审查.
  • 对未经治疗的低风险SSPE患者进行的一项大型前性研究的分析.
  • 在SSPE中评估静脉血栓塞栓症 (VTE) 复发风险.

主要成果:

  • 对未经治疗的低风险SSPE患者进行的一项大型前性研究因无法接受的VTE复发风险而过早停止.
  • 间接证据和小型研究表明,SSPE可能是良性的,但最近的发现挑战了这一点.
  • 对低风险的SSPE抗凝药的确切风险效益平衡仍未确定.

结论:

  • 目前的指导方针建议,如果排除近端深静脉血栓形成,不考虑对低风险的SSPE患者进行抗凝药.
  • 对低风险SSPE患者的最佳管理策略需要进一步调查.
  • 随机对照试验对于澄清抗凝药在SSPE管理中的作用至关重要.