24
Participants
Start Date
September 30, 2013
Primary Completion Date
November 30, 2013
Study Completion Date
November 30, 2013
Sildenafil
The intervention in this group is the use of sildenafil 50mg; this group will take placebo and will be evaluated by cardiac magnetic resonance before and after the oral use of the drug.
Placebo
This group will use placebo; this group will take placebo and will be evaluated by cardiac magnetic resonance before and after the oral use of the placebo pill.
Hospital Ana Neri - MRI unit, Salvador
Hospital Ana Nery
OTHER