Video Experimental Relacionado
Updated: Aug 12, 2026

08:02
Establishment of a Minimally Invasive Rat Model of Pulmonary Embolism Using Autologous Blood Clots
Published on: October 25, 2024
Embolia pulmonar como causa de muerte. La mortalidad cambiante en pacientes hospitalizados
JAMA
|April 18, 1986
Resumen
Las muertes por embolia pulmonar (EP) disminuyeron significativamente en pacientes hospitalizados y quirúrgicos entre 1966 y 1980. Esta disminución en la embolia fatal sugiere mejores resultados y tasas de mortalidad reducidas durante el período de estudio.
Área de la Ciencia:
- La investigación médica es la investigación médica.
- La epidemiología clínica es la epidemiología clínica.
Sus antecedentes:
- La embolia pulmonar (EP) es una causa significativa de mortalidad hospitalaria.
- Comprender las tendencias en las muertes relacionadas con la EP es crucial para evaluar las intervenciones de atención médica.
Objetivo del estudio:
- Investigar la frecuencia y las características de la embolia pulmonar fatal en un entorno hospitalario universitario.
- Analizar las tendencias temporales de la mortalidad por EP desde 1966 hasta 1980.
Principales métodos:
- Análisis retrospectivo de las muertes de pacientes hospitalizados y quirúrgicos durante un período de 15 años (1966-1980).
- Se emplearon protocolos estandarizados de autopsia con técnicas sensibles de disección pulmonar.
- Se recogieron datos sobre 6.858 muertes y se realizaron 3.412 autopsias.
Principales resultados:
- Se identificó una embolia pulmonar fatal masiva en el 6% de todos los pacientes fallecidos y en el 4,7% de los pacientes quirúrgicos.
- Se observó una disminución significativa en la mortalidad por EP, con el porcentaje de casos de embolia entre las autopsias disminuyendo del 9,3% al 3,8%.
- Excluyendo a los pacientes que tomaban anticoagulantes, los casos de EP se redujeron del 8,8% al 2,7%, y la tasa de mortalidad hospitalaria por EP se redujo del 0,37% al 0,13%.
Conclusiones:
- Las tasas de mortalidad por embolia pulmonar disminuyeron sustancialmente durante el período de estudio.
- El aumento del uso de anticoagulantes puede haber contribuido a la disminución observada en la incidencia de PE y las tasas de mortalidad de los casos.
- Los hallazgos sugieren posibles mejoras en el manejo y la prevención de la EP dentro de la población hospitalaria estudiada.
Más Videos Relacionados
Videos de Conceptos Relacionados
Pneumonia I: Introduction
Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
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 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 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...
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...
Pneumonia I: Introduction
Pneumonia is an infection of the lower respiratory tract that leads to inflammation of the lung parenchyma, often resulting in the accumulation of inflammatory exudate in the alveoli and airways. Unlike the watery, low-protein fluid exudate in pulmonary edema, the exudate in this case is a thick fluid rich in immune cells, proteins, and debris produced during infection and inflammation.This impairs gas exchange and can lead to consolidation of lung tissue. The infection may be caused by a...
