Jove
Visualize
Contáctanos
JoVE
x logofacebook logolinkedin logoyoutube logo
ACERCA DE JoVE
Visión GeneralLiderazgoBlogCentro de Ayuda JoVE
AUTORES
Proceso de PublicaciónConsejo EditorialAlcance y PolíticasRevisión por ParesPreguntas FrecuentesEnviar
BIBLIOTECARIOS
TestimoniosSuscripcionesAccesoRecursosConsejo Asesor de BibliotecasPreguntas Frecuentes
INVESTIGACIÓN
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchivo
EDUCACIÓN
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualCentro de Recursos para ProfesoresSitio de Profesores
Términos y Condiciones de Uso
Política de Privacidad
Políticas

Videos de Conceptos Relacionados

Vascular Spasm01:16

Vascular Spasm

2.8K
The vascular phase, also known as vasospasm, is the initial stage of hemostasis, crucial for preventing excessive bleeding when a blood vessel is injured. After a vessel is cut, nerves in the damaged area trigger pain and other sensory impulses. Simultaneously, the smooth muscles in the vessel wall contract, resulting in a vascular spasm. This contraction reduces the vessel's diameter at the injury site, slowing or stopping blood loss through the vessel wall. Vascular spasms typically last...
2.8K
Arteries and Arterioles01:16

Arteries and Arterioles

5.8K
Arteries, the vasculature responsible for transporting blood from the heart, possess robust walls capable of enduring the elevated pressures exerted by the heartbeat. Arteries near the heart are especially thick-walled and enriched with elastic fibers across their three tunics, classifying them as elastic or conducting arteries. These arteries, usually with a diameter exceeding 10 mm, are characterized by their ability to dilate in response to the blood pumped from the heart's ventricles...
5.8K
Endocarditis II: Clinical Features of Infective Endocarditis01:25

Endocarditis II: Clinical Features of Infective Endocarditis

149
Endocarditis can present various clinical features depending on the causative organism and the patient's underlying health conditions. Initially, the clinical features of infective endocarditis develop gradually, presenting with nonspecific symptoms that can be easily mistaken for other illnesses.General SymptomsEarly symptoms of infective endocarditis are fever, chills, weakness, malaise, fatigue, and weight loss. These symptoms reflect the systemic nature of the infection and the body's...
149
Inflammatory Response I: Vascular and Cellular01:30

Inflammatory Response I: Vascular and Cellular

14.3K
The inflammatory response is the body's defense against infection, injury, or irritation from bacteria, trauma, toxins, or heat. Inflammation helps locate and destroy pathogens and remove damaged tissue elements to heal the body. During this initial phase, fluid, blood products, and nutrients migrate to the injured area, resulting in redness, heat, swelling, ache, and loss of function. Moreover, signs of systemic inflammation include fever, increased WBC count, malaise, anorexia, nausea,...
14.3K
Structure of Blood Vessels01:15

Structure of Blood Vessels

8.0K
Blood is circulated throughout the human body through a network of blood vessels called the circulatory system. This system includes arteries that transport blood from the heart to various body parts. These arterial pathways divide into smaller vessels until they reach the arterioles, which further split into capillaries. It is within these minuscule capillaries that the exchange of nutrients and waste products takes place. After this exchange, the blood is collected by venules, which fuse to...
8.0K
Venules01:08

Venules

2.3K
Venules are an integral part of the microscopic circulatory system that bridges the gap between capillaries and veins.
Venules are much smaller in diameter compared to their larger counterparts, the veins. They are generally 8 to 100 micrometers in diameter, significantly smaller than the size of veins. The walls of venules are thin, consisting of the endothelium, a thin layer of connective tissue, and occasionally a few smooth muscle cells. This structural simplicity is a stark contrast...
2.3K

También podría leer

Artículos Relacionados

Artículos vinculados a este trabajo por autores compartidos, revista y gráfico de citas.

Ordenar por
Same author

Long-term outcomes and prognosis of mixed cryoglobulinaemia: a European multicentre study of 1294 patients.

Rheumatology (Oxford, England)·2026
Same author

Treat-to-target in Behçet syndrome.

Nature reviews. Rheumatology·2026
Same author

French recommendations for the use of imaging in giant cell arteritis.

Joint bone spine·2026
Same author

Clonal haematopoiesis of indeterminate potential and relapses in patients with GCA.

Rheumatology (Oxford, England)·2026
Same author

Takayasu arteritis phenotypes and outcomes: A data-driven cluster analysis from a large international cohort.

Journal of autoimmunity·2026
Same author

EULAR recommendations for the management of Behçet's syndrome: 2025 update.

Annals of the rheumatic diseases·2026
Same journal

Deprescribing in Patients With Cardiovascular Disease Experiencing Polypharmacy: A Scientific Statement From the American Heart Association.

Circulation·2026
Same journal

A Bundle to Frame Guidelines and American Heart Association Statements.

Circulation·2026
Same journal

<i>Circulation</i> Editors and Editorial Board.

Circulation·2026
Same journal

A New <i>Circulation</i>, For You.

Circulation·2026
Same journal

Cardiovascular Risk Reduction With GLP-1 RA Drugs.

Circulation·2026
Same journal

Obesity, Severe Obesity, and Abdominal Obesity in US Youth and Adults From 1999 to 2023.

Circulation·2026
Ver todos los artículos relacionados

Video Experimental Relacionado

Updated: Nov 20, 2025

An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis
06:35

An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis

Published on: February 8, 2019

7.4K

Vasculitis de los vasos sanguíneos medianos y grandes

David Saadoun1,2, Mathieu Vautier1, Patrice Cacoub2

  • 1Sorbonne Universités, Assistance Publique Hôpitaux de Paris (AP-HP), Pitié-Salpêtrière University Hospital, Department of Internal Medicine and Clinical Immunology, Centre national de Référence des Maladies Auto-Immunes Systémiques Rares, Centre national de Référence des Maladies Auto-Inflammatoires et de l'Amylose inflammatoire, Paris, France (D.S., M.V.).

Circulation
|January 19, 2021
PubMed
Resumen
Este resumen es generado por máquina.

Las vasculitis sistémicas son trastornos de los vasos sanguíneos clasificados por el tamaño de los vasos afectados. El diagnóstico rápido es crucial para mitigar los riesgos de mortalidad y los resultados adversos asociados con estas afecciones multisistémicas.

Palabras clave:
La enfermedad de KawasakiEl mismo Takayasu.Arteriitis por células gigantesEnfermedad de las articulacionesEnfermedad de las venas

Más Videos Relacionados

Longitudinal In Vivo Imaging of the Cerebrovasculature: Relevance to CNS Diseases
07:47

Longitudinal In Vivo Imaging of the Cerebrovasculature: Relevance to CNS Diseases

Published on: December 6, 2016

7.4K
Reliable Isolation of Central Nervous System Microvessels Across Five Vertebrate Groups
10:35

Reliable Isolation of Central Nervous System Microvessels Across Five Vertebrate Groups

Published on: January 12, 2020

8.8K

Videos de Experimentos Relacionados

Last Updated: Nov 20, 2025

An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis
06:35

An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis

Published on: February 8, 2019

7.4K
Longitudinal In Vivo Imaging of the Cerebrovasculature: Relevance to CNS Diseases
07:47

Longitudinal In Vivo Imaging of the Cerebrovasculature: Relevance to CNS Diseases

Published on: December 6, 2016

7.4K
Reliable Isolation of Central Nervous System Microvessels Across Five Vertebrate Groups
10:35

Reliable Isolation of Central Nervous System Microvessels Across Five Vertebrate Groups

Published on: January 12, 2020

8.8K

Área de la Ciencia:

  • Medicina cardiovascular
  • Reumatología
  • Inmunología

Sus antecedentes:

  • Las vasculitis sistémicas son trastornos multisistémicos que afectan a los vasos sanguíneos, categorizados por tamaño: pequeño, mediano o grande.
  • Los ejemplos comunes incluyen arteritis de células gigantes y arteritis de Takayasu (vasos grandes), y poliarteritis nodosa y enfermedad de Kawasaki (vasos medios).
  • La variabilidad en la presentación y el potencial de afectación de un solo órgano requieren una alta sospecha clínica.

Objetivo del estudio:

  • Revisar la fisiopatología, la epidemiología, las estrategias de diagnóstico y el tratamiento de los vasculitis sistémicos.
  • Hacer hincapié en la importancia de la rápida identificación y el diagnóstico en los médicos cardiovasculares.
  • Resaltar el impacto de las variaciones étnicas y regionales en la presentación de la vasculitis.

Principales métodos:

  • Revisión de la literatura existente sobre la fisiopatología y epidemiología de la vasculitis.
  • Análisis de los enfoques de diagnóstico para varios tipos de vasculitis.
  • Resumen de las estrategias actuales de tratamiento de las vasculitis sistémicas.

Principales resultados:

  • Los vasculitis se clasifican por la participación predominante del tamaño del vaso (pequeño, mediano, grande), aunque existe una superposición.
  • El diagnóstico rápido es crítico debido a los riesgos de mortalidad asociados y al potencial de resultados adversos graves.
  • La presentación clínica es muy variable, influenciada por factores étnicos y regionales.

Conclusiones:

  • Las vasculitis sistémicas requieren un alto índice de sospecha para un diagnóstico oportuno y un tratamiento eficaz.
  • Comprender la fisiopatología, la epidemiología y los matices de diagnóstico es esencial para los médicos cardiovasculares.
  • La intervención temprana puede prevenir o minimizar complicaciones graves y mejorar los resultados del paciente.