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Autordc.contributor.authorLorberboym, M. 
Autordc.contributor.authorMena, I. es_CL
Autordc.contributor.authorWainstein, J. es_CL
Autordc.contributor.authorBoaz, M. es_CL
Autordc.contributor.authorLampl, Y. es_CL
Fecha ingresodc.date.accessioned2010-06-22T13:50:42Z
Fecha disponibledc.date.available2010-06-22T13:50:42Z
Fecha de publicacióndc.date.issued2010
Cita de ítemdc.identifier.citationActa Neurol Scand 2010: 121: 370–376en_US
Identificadordc.identifier.otherDOI: 10.1111/j.1600-0404.2009.01307.x
Identificadordc.identifier.urihttps://repositorio.uchile.cl/handle/2250/128634
Resumendc.description.abstractObjectives – 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
Idiomadc.language.isoenen_US
Publicadordc.publisherBlackwellen_US
Palabras clavesdc.subjectcerebral blood flowen_US
Títulodc.titleThe effect of sildenafil citrate (Viagra) on cerebral blood flow in patients with cerebrovascular risk factorsen_US
Tipo de documentodc.typeArtículo de revista


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