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The effect of sildenafil citrate (Viagra) on cerebral blood flow in patients with cerebrovascular risk factors
Autor | dc.contributor.author | Lorberboym, M. | |
Autor | dc.contributor.author | Mena, I. | es_CL |
Autor | dc.contributor.author | Wainstein, J. | es_CL |
Autor | dc.contributor.author | Boaz, M. | es_CL |
Autor | dc.contributor.author | Lampl, Y. | es_CL |
Fecha ingreso | dc.date.accessioned | 2010-06-22T13:50:42Z | |
Fecha disponible | dc.date.available | 2010-06-22T13:50:42Z | |
Fecha de publicación | dc.date.issued | 2010 | |
Cita de ítem | dc.identifier.citation | Acta Neurol Scand 2010: 121: 370–376 | en_US |
Identificador | dc.identifier.other | DOI: 10.1111/j.1600-0404.2009.01307.x | |
Identificador | dc.identifier.uri | https://repositorio.uchile.cl/handle/2250/128634 | |
Resumen | dc.description.abstract | Objectives – Sildenafil citrate is widely used for erectile dysfunction. The present study examined the short-term effects of sildenafil administration in individuals with cerebrovascular risk factors, including patients with a history of stroke. Materials and Methods – Twenty-five consecutive male patients with erectile dysfunction and vascular risk factors were included in the study. A perfusion brain SPECT study was performed at baseline and 1 h after the oral administration of sildenafil. Results – Associations between any of the risk factors and the perfusion scores were not detected, with the exception of stroke. Stroke patients showed significantly more areas with diminished perfusion after sildenafil administration compared to baseline. Conclusions – In patients with diabetes or hypertension, a dose of 50 mg sildenafil does not appear to produce detrimental effects on cerebral blood flow. However, patients with a history of stroke may be at increased risk of hemodynamic impairment after the use of sildenafil. | en_US |
Idioma | dc.language.iso | en | en_US |
Publicador | dc.publisher | Blackwell | en_US |
Palabras claves | dc.subject | cerebral blood flow | en_US |
Título | dc.title | The effect of sildenafil citrate (Viagra) on cerebral blood flow in patients with cerebrovascular risk factors | en_US |
Tipo de documento | dc.type | Artículo de revista |
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