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Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

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Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
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Aneurysm I: Introduction01:30

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An aortic aneurysm is a localized outpouching or dilation at a weak point in the artery wall. It may involve different parts of the aorta, such as the abdominal aorta, aortic arch, or thoracic aorta.Etiological factorsSeveral disorders are associated with aortic aneurysms.Congenital causes, such as primary connective tissue disorders like Marfan syndrome, impact the integrity and strength of connective tissues, notably affecting the aorta. Marfan syndrome is a genetic disorder that specifically...
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The human body's intricate network of arteries ensures that every organ system receives the necessary oxygen and nutrients for optimal function. The arterial network in the head and neck region is particularly complex, providing vital blood flow to the brain, eyes, and other critical structures. Prominent arteries in this region include the internal carotid arteries and the vertebral arteries.
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Aneurysm management involves either conservative medical therapy or surgical intervention, depending on the size and symptoms of the aneurysm. Conservative management is generally reserved for smaller, asymptomatic aneurysms, while larger or symptomatic aneurysms often necessitate surgical repair.Conservative Medical TherapyFor small, asymptomatic aneurysms, particularly abdominal aortic aneurysms (AAA) less than 5.5 centimeters in diameter, conservative medical therapy is recommended. This...
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Video Experimental Relacionado

Updated: Sep 9, 2025

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Aneurisma de unión vertebrobasilar roto que coexiste con arco aórtico interrumpido aislado e hipoplasia de la arteria

Yang Dong1,1, Weiyi Huang2,1, Weifeng Miao2,1

  • 1Wuxi Medical Center of Nanjing Medical University, Wuxi, Jiangsu Province, China.

Journal of neurosurgery. Case lessons
|September 1, 2025
PubMed
Resumen

Este informe de caso detalla un caso raro de un aneurisma de unión vertebrobasilar roto en un paciente con arco aórtico interrumpido y anomalías de la arteria basilar. El enrollamiento endovascular se utilizó con éxito para tratar esta condición cerebrovascular compleja.

Palabras clave:
hipoplasia de la arteria basillarArco aórtico interrumpidoAneurisma intracranealAproximación transradialEnlace vertebrobasilar

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Área de la Ciencia:

  • Neurología
  • Cardiología
  • Cirugía vascular

Sus antecedentes:

  • Los aneurismas de la unión vertebrobasilar (VBJ) a menudo se presentan con variaciones en la arteria basilar que afectan el flujo sanguíneo.
  • El arco aórtico interrumpido (IAA), un raro defecto congénito, puede contribuir a los aneurismas intracraneales a través de problemas en las paredes vasculares y una hemodinámica alterada.
  • La ocurrencia simultánea de AIA, anomalías cerebrovasculares y aneurismas de la junta ventricular es excepcionalmente rara.

Objetivo del estudio:

  • Informar el primer caso documentado de ruptura de un aneurisma VBJ junto con un arco aórtico interrumpido (IAA) y anomalías de la arteria basilar.
  • Para aclarar la posible patogénesis sinérgica de estas malformaciones vasculares combinadas.
  • Evaluar la eficacia y la seguridad del tratamiento endovascular en un escenario anatómico tan complejo.

Principales métodos:

  • Una mujer de 33 años con una ruptura de aneurisma sacular VBJ fue sometida a un enrollamiento transradial derecho asistido por stent.
  • Las anomalías asociadas incluyeron IAA de tipo B de Celoria-Patton, hipoplasia difusa de la arteria basilar y oclusión de la arteria basilar proximal.
  • Se utilizaron estudios de imágenes (ecocardiografía, resonancia magnética, angiografía por TC) para el diagnóstico y el seguimiento.

Principales resultados:

  • Se logró una oclusión completa del aneurisma VBJ (clasificación de oclusión Raymond-Roy clase I).
  • El paciente no experimentó un infarto postoperatorio y mostró resolución de la hemorragia subaracnoidea (SAH).
  • El paciente fue dado de alta neurológicamente intacto (puntuación 0 en la escala de Rankin modificada) con una reparación endovascular estable a los siete meses de seguimiento.

Conclusiones:

  • Este caso destaca una patogénesis sinérgica única para la formación de aneurisma VBJ, impulsada por la oclusión de la arteria basilar proximal y la discontinuidad del arco aórtico.
  • La intervención endovascular transradial demostró seguridad y eficacia en el manejo de esta presentación compleja y rara.
  • La AIA en casos de SAH aneurysmal puede estar relacionada con el desarrollo prenatal de la circulación colateral compensatoria.