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Vol. 18. Núm. 6.
Páginas 330-339 (Noviembre - Diciembre 2011)
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Vol. 18. Núm. 6.
Páginas 330-339 (Noviembre - Diciembre 2011)
Open Access
Síncope y escalas de riesgo ¿Qué evidencia se tiene?
Syncope and risk scales ¿What evidence do we have?
Visitas
14862
Guillermo Mora1,2,
Autor para correspondencia
gmorap@unal.edu.co

Correspondencia: Ciudad Universitaria, Facultad de Medicina, Departamento de Medicina Interna Of. 501. Universidad Nacional. Bogotá, DC., Colombia. Tel. y Fax: (57-1) 316 50 00 Ext.: 15011.
, Iván Rendón2, Jorge L. Martínez2, Luis J. Cajas1, Javier Eslava3
1 Departamento de Medicina Interna. Universidad Nacional de Colombia. Bogotá, DC., Colombia
2 Servicio de Cardiología Fundación Santafé de Bogotá. Bogotá, DC., Colombia
3 Instituto de Investigaciones Clínicas. Universidad Nacional de Colombia. Bogotá, DC., Colombia
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Información del artículo
Objetivo

hacer una revisión de las escalas de riesgo existentes para predecir eventos adversos relacionados con síncope.

Metodología

se realizó una búsqueda de artículos en MEDLINE, EMBASE y Cochrane Database of Systematic Reviews con el uso de las palabras clave relacionadas con reglas de predicción clínica (algoritmos, análisis multivariado, guías de predicción clínica, escalas, modelos logísticos, valoración de riesgo) y síncope. Adicionalmente, se buscó literatura con el uso de la estrategia de bola de nieve.

Resultados

se encontraron nueve escalas que relacionaron el síncope con predicción de eventos adversos. Se hallaron diferencias en los criterios para definir riesgo, las variables de desenlace, la población estudiada, el uso de una estrategia prospectiva o retrospectiva y el tiempo de seguimiento.

Conclusiones

aunque existen varias escalas para la definición de riesgo con el paciente que ingresa por síncope a urgencias, no hay evidencia de que alguna sea superior a otra, tienen poca validez externa y no se han aplicado en nuestro medio.

Palabras clave:
reglas de predicción clínica
síncope
Objective

perform a review of the existing risk scales to predict adverse events associated with

syncope.

Method

we conducted a search of MEDLINE, EMBASE and Cochrane Database of Systematic Reviews using the keywords related to clinical prediction rules (algorithms, multivariate analysis, clinical prediction guides, scales, logistic models, risk assessment) and syncope. Additionally, literature was searched using the snowball strategy.

Results

we found nine scales that associated syncope with prediction of adverse events. We found differences in the criteria for defining risk, the outcome variables, the study population, the use of a prospective or retrospective strategy and the follow-up time.

Conclusions

although there are several scales for the definition of risk facing the patient admitted with syncope to the ER, there is no evidence that any one is superior to another, have little external validity and have not been applied in our environment.

Keywords:
clinical prediction rules
syncope
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