Related Experiment Video
Updated: May 18, 2026
07:50
An In vitro System to Gauge the Thrombolytic Efficacy of Histotripsy and a Lytic Drug
Published on: June 4, 2021
Thrombolysis in acute pulmonary thromboembolism
Priyanka A Vyas1, Anthony A Donato
1Reading Hospital and Medical Center, Reading, PA 19611, USA. dr_priyankavyas@yahoo.co.in
Southern Medical Journal
|October 6, 2012
Summary
Identifying high-risk patients with acute pulmonary embolism (PE) is crucial for selecting candidates for thrombolytic therapy. This review examines evolving guidelines, outcomes, and risk stratification strategies for PE management.
Area of Science:
- Cardiology
- Pulmonology
- Emergency Medicine
Background:
- Acute pulmonary embolism (PE) presents a wide spectrum of severity, from minor clots to life-threatening obstruction.
- Accurate risk stratification is essential for guiding treatment decisions, particularly for thrombolytic therapy.
Purpose of the Study:
- To review the evolution of pulmonary embolism management guidelines.
- To analyze outcomes of thrombolytic therapy in PE patients.
- To discuss current strategies for risk stratification in acute pulmonary embolism.
Main Methods:
- Literature review of clinical prediction models, diagnostic tests, and imaging modalities.
- Analysis of outcomes including mortality, bleeding, and hemodynamic improvement.
- Examination of strategies for preventing chronic thromboembolic pulmonary hypertension.
Main Results:
- Evolving guidelines increasingly incorporate advanced tools for risk assessment.
- Thrombolytic therapy offers benefits but carries risks, necessitating careful patient selection.
- Effective risk stratification aids in identifying patients who benefit most from aggressive treatment.
Conclusions:
- Risk stratification is key to optimizing thrombolytic therapy for acute pulmonary embolism.
- Continuous evaluation of new diagnostic and prognostic tools is vital.
- Management strategies aim to reduce mortality and prevent long-term complications like pulmonary hypertension.
Related Concept Videos
01:29Pulmonary 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...
01:29Venous 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...
01:27Pulmonary 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...
01:29Pulmonary 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...
01:19Pulmonary 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...
01:30Anticoagulant 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...