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Related Concept Videos

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care01:29

Pulmonary Embolism II: Diagnostic Studies and Interprofessional Care

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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...
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Pulmonary Embolism III: Nursing Management01:27

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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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Venous Thrombosis III: Interprofessional Care01:29

Venous Thrombosis III: Interprofessional Care

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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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Pulmonary Embolism I: Introduction01:29

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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...
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Peripheral Artery Disease III: Interprofessional Care01:27

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Peripheral Artery Disease (PAD) is characterized by narrowed arteries that diminish blood flow to the extremities. Effective management of PAD requires an interprofessional approach involving various healthcare professionals. The critical aspects of interprofessional care for PAD patients focus on risk factor modification, drug therapy, exercise therapy, nutrition therapy, critical limb ischemia care, and interventional radiology and surgical procedures.The primary treatment goal for PAD...
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Cardiac Catheterization IV: Nursing Management01:26

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Nursing responsibilities before cardiac catheterization include:Assess for allergies and establish baseline health status.Before cardiac catheterization, assess the patient for allergies to contrast dye. Perform a comprehensive baseline assessment, including vital signs, heart and breath sounds, and a neurovascular assessment of the extremities, noting distal pulses, skin color, and temperature. Instruct the patient to fast for 8-12 hours before the procedure. Evaluate baseline laboratory...
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Catheter-directed interventions for pulmonary embolism.

Ajar Kochar1,2, Brian A Bergmark1,2,3

  • 1Cardiovascular Division, Brigham and Women's Hospital, 75 Francis Street, Boston, MA 02115, USA.

European Heart Journal. Acute Cardiovascular Care
|July 29, 2022
PubMed
Summary
This summary is machine-generated.

Pulmonary embolism (PE) is a serious condition requiring prompt diagnosis and risk assessment. Catheter-directed interventions offer innovative approaches to treat acute PE by restoring pulmonary blood flow and preventing right ventricular failure.

Keywords:
Catheter-directedEmbolectomyInterventionPulmonary embolism

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Area of Science:

  • Cardiology
  • Pulmonology
  • Interventional Radiology

Background:

  • Pulmonary embolism (PE) is a frequent, life-threatening condition with a significant mortality rate, often occurring suddenly.
  • Clinical presentations of PE vary widely, from asymptomatic findings to sudden death, with approximately 33% of fatalities being sudden.
  • Current management emphasizes early detection, risk stratification using clinical, imaging, and biomarker data, and collaborative decision-making.

Purpose of the Study:

  • To review current and innovative catheter-directed interventions for acute pulmonary embolism.
  • To highlight the mechanisms by which these interventions aim to improve outcomes.
  • To discuss the integration of new evidence into patient care pathways.

Main Methods:

  • Review of percutaneous intervention techniques for acute PE.
  • Discussion of rheolytic thrombectomy, catheter-directed thrombolysis, and aspiration/mechanical thrombectomy.
  • Analysis of the goals of intervention in mitigating right ventricular strain.

Main Results:

  • Catheter-directed interventions aim to increase pulmonary vasculature cross-sectional area, reduce resistance, and improve ventilation/perfusion (V/Q) matching.
  • Percutaneous techniques include rheolytic thrombectomy, catheter-directed thrombolysis, and mechanical/aspiration thrombectomy.
  • These methods are designed to interrupt the pathophysiology of acute PE, specifically right ventricular failure.

Conclusions:

  • Catheter-directed interventions represent a significant advancement in managing acute pulmonary embolism.
  • The primary objective is to relieve hemodynamic compromise and prevent RV failure.
  • Future efforts should focus on integrating clinical trial data into personalized, multidisciplinary treatment strategies for PE patients.