Video Experimental Relacionado
Updated: Jul 5, 2026
12:18
A Machine Learning Approach to Design an Efficient Selective Screening of Mild Cognitive Impairment
Published on: January 11, 2020
Prevalencia de la enfermedad de Fabry en pacientes con ictus criptogénico: un estudio prospectivo
Arndt Rolfs1, Tobias Böttcher, Marlies Zschiesche
1Department of Neurology, University of Rostock, Rostock, Germany. arndt.rolfs@med.uni-rostock.de
Lancet (London, England)
|November 22, 2005
Resumen
La enfermedad de Fabry es una causa significativa, a menudo no reconocida, de accidente cerebrovascular en adultos jóvenes. La detección de esta condición genética es crucial para los casos inexplicables de accidente cerebrovascular, particularmente aquellos que involucran el sistema arterial vertebrobasilar.
Área de la Ciencia:
- Neurología Neurología.
- Genética La genética.
- La medicina vascular es una medicina vascular.
Sus antecedentes:
- Los accidentes cerebrovasculares son una de las principales causas de muerte y discapacidad en adultos jóvenes, con causas que a menudo permanecen desconocidas.
- La enfermedad de Anderson-Fabry, un trastorno genético vinculado a X, puede conducir a vasculopatía endotelial e isquemia cerebral.
- La enfermedad de Fabry no reconocida puede contribuir a una parte sustancial de los accidentes cerebrovasculares criptogénicos en poblaciones más jóvenes.
Objetivo del estudio:
- Investigar la prevalencia de la enfermedad de Fabry no diagnosticada en una cohorte de pacientes adultos jóvenes que presentan un accidente cerebrovascular criptogénico agudo.
- Evaluar el significado clínico de las mutaciones de la enfermedad de Fabry en el contexto de eventos cerebrovasculares.
Principales métodos:
- Se examinó a 721 pacientes alemanes de entre 18 y 55 años con accidente cerebrovascular criptogénico agudo entre 2001 y 2004.
- Actividad plasmática medida de alfa-galactosidasa en hombres, seguida de secuenciación del gen alfa-GAL para baja actividad enzimática.
- Genéticamente se examinó el gen alfa-GAL para detectar mutaciones en las mujeres, independientemente de los niveles de actividad enzimática.
Principales resultados:
- Identificó mutaciones biológicamente significativas en el gen alfa-GAL en el 4,9% de los hombres (21/432) y el 2,4% de las mujeres (7/289) pacientes con accidente cerebrovascular.
- La edad media de inicio del ictus fue de 38.4 años para los hombres y 40.3 años para las mujeres.
- Se observó una mayor incidencia de infartos de la arteria vertebrobasilar y cambios vasculares dolicoectáticos en pacientes con mutaciones de la enfermedad de Fabry.
Conclusiones:
- La enfermedad de Fabry es una causa subyacente frecuente de accidente cerebrovascular criptogénico en adultos jóvenes, que representa aproximadamente el 1,2% de los casos.
- La consideración de la enfermedad de Fabry es esencial para todos los pacientes jóvenes con accidentes cerebrovasculares sin explicación.
- Se debe prestar especial atención a los pacientes que presentan infartos del sistema arterial vertebrobasilar y proteinuria, ya que estos pueden indicar la enfermedad de Fabry.
Videos de Conceptos Relacionados
01:49Probability Laws
Overview
01:26Factors Affecting the Risk of Infection
The hosts' susceptibility to infection depends on several factors. The integrity of the skin and mucous membranes helps protect the body against microbial attacks. When the skin is altered, the chance of infection, limb loss, and even death increases.
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin create...
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin create...
01:23Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches
Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast, controlled...
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast, controlled...
01:08Prevalence and Incidence
In statistical epidemiology and health sciences, two essential metrics—prevalence and incidence—are fundamental for understanding disease dynamics within a population. These measures enable public health officials, epidemiologists, and researchers to assess the burden of diseases, allocate resources effectively, and design impactful public health policies and interventions.
Prevalence indicates the proportion of individuals in a population who have a specific disease or health condition at a...
Prevalence indicates the proportion of individuals in a population who have a specific disease or health condition at a...
01:12Relative Risk
Relative risk (RR) is a statistical measure commonly used in epidemiology to compare the likelihood of a particular event occurring between two groups. This metric is important for evaluating the relationship between exposure to a specific risk factor and the probability of a particular outcome. It plays a crucial role in medical research, public health studies, and risk assessment. Relative risk quantifies how much more (or less) likely an event is to occur in an exposed group compared to an...
01:28Amebiasis
Entamoeba histolytica, a protozoan parasite, is responsible for intestinal and extraintestinal amebiasis. Though a significant proportion of infections remain asymptomatic, approximately 50 million individuals annually are estimated to present with clinical disease, resulting in up to 100,000 deaths globally. The disease burden is disproportionately high in regions with lower socioeconomic status, such as parts of India, Africa, Mexico, and Latin America.Etiology and TransmissionThe infective...