The study will be an open label one and will include 30 patients who underwent ischemic stroke 3 month to 3 years prior to the study. All patients will undergone a baseline brain SPECT perfusion study. 15 patients will take one dose of 20 mg cialis, and will have a second brain SPECT 24 hours after cialis administration. 15 other patients (age and risk factor matched) will be prescribed 5 mg of cialis once daily for 7 days, and a second SPECT study will be performed 24 hours after the last dose.
Study Type
OBSERVATIONAL
Enrollment
30
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