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Related Concept Videos

Pulmonary Embolism I: Introduction01:29

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...
Pulmonary Embolism I: Introduction01:19

Pulmonary Embolism I: Introduction

A blood clot, or thrombus, is a semi-solid mass composed of fibrin, platelets, and red blood cells. When it forms within a vessel, it can obstruct blood flow, known as thrombosis. If part of the clot detaches, it becomes an embolus that can travel and block distant vessels. When this occurs in the pulmonary arteries, it causes a condition known as pulmonary embolism (PE).Origin and ImpactMost often, the embolus originates from a thrombus in the deep veins of the lower limbs, a condition called...
Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

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...
Pulmonary Embolism III: Nursing Management01:27

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...
Anticoagulant Drugs: Low-Molecular-Weight Heparins01:30

Anticoagulant Drugs: Low-Molecular-Weight Heparins

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...
Venous Thrombosis III: Interprofessional Care01:29

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...

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Updated: Jun 20, 2026

Establishment of a Minimally Invasive Rat Model of Pulmonary Embolism Using Autologous Blood Clots
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Establishment of a Minimally Invasive Rat Model of Pulmonary Embolism Using Autologous Blood Clots

Published on: October 25, 2024

[Embolisation in connection with haemoptysis].

Dana Jensen1, Poul Erik Andersen

  • 1Radiologisk Afdeling, Odense Universitetshospital, DK-500 Odense C. dlup@ofir.dk

Ugeskrift for Laeger
|September 8, 2009
PubMed
Summary
This summary is machine-generated.

Embolisation of systemic collateral arteries effectively controls haemoptysis (blood coughing). This minimally invasive procedure is crucial when the bleeding source is unclear or not from the bronchial arteries.

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Area of Science:

  • Interventional Radiology
  • Pulmonary Medicine
  • Vascular Surgery

Background:

  • Haemoptysis (coughing blood) management is critical.
  • Tuberculosis is a global cause, while Western countries see more inflammatory lung diseases.
  • Bronchial artery embolisation is a primary treatment for haemoptysis.

Observation:

  • Systemic collateral arteries can supply the bronchial artery system.
  • In 33% of cases, non-bronchial systemic arteries are the source of bleeding.
  • Aetiology remains undetermined in 30% of patients.

Findings:

  • Embolisation of these pathologic systemic collateral arteries is effective for haemoptysis control.
  • This interventional technique offers a solution when the bleeding source is atypical.
  • The procedure is associated with few complications.

Implications:

  • Broadens the scope of embolisation for haemoptysis treatment.
  • Provides a minimally invasive option for complex bleeding scenarios.
  • Improves patient outcomes by addressing diverse aetiologies of bleeding.