Related Experiment Video

Updated: May 11, 2026

A Porcine Model of Acute Autologous Pulmonary Embolism
07:44

A Porcine Model of Acute Autologous Pulmonary Embolism

Published on: September 6, 2024

[Analysis of fatal outcomes from pulmonary thromboembolism in young subjects]

O V Fesenko, A I Sinopal'nikov, A V Glechikov

    Terapevticheskii Arkhiv
    |May 31, 2013
    PubMed
    Abstract

    Insights

    Fatal pulmonary thromboembolism (PTE) in young males is linked to multiple risk factors, not random occurrences. Early identification of these factors is crucial for preventing sudden death from right ventricular failure.

    Area of Science:

    • Cardiology
    • Pulmonary Medicine
    • Pathology

    Background:

    • Pulmonary thromboembolism (PTE) is a significant cause of mortality.
    • Investigating risk factors and clinical signs in young populations is essential for targeted prevention.

    Observation:

    • A retrospective analysis of 32 male patients who died from PTE between 2002-2010 in Moscow.
    • All analyzed cases had at least two identifiable risk factors; no idiopathic cases were identified.

    Findings:

    • Generalized obstruction of the pulmonary vascular bed was observed in most patients.
    • Pulmonary vascular obstruction primarily involved the great arteries, leading to acute right ventricular failure.
    • Sudden death was the common outcome, directly resulting from right ventricular strain.

    Implications:

    • Findings aid in assessing clinical probability for diagnosing PTE in young males.
    • Identified risk factors can inform the development of adequate preventive strategies.
    • Understanding the pathophysiology of PTE-related sudden death can improve clinical management and public health initiatives.

    Related Concept Videos

    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 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 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...
    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...
    Venous Thrombosis II: Clinical Manifestations and Diagnostic Studies01:20

    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...