The main objective is to validate the safety and efficacy of intravenous and oral sildenafil in the acute vasodilator test in patients with persistence of, at least, moderate pulmonary hypertension after valvular surgery successfully, with a correct left ventricular function and no valvular disease hemodynamically significant.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Masking
NONE
Enrollment
30
2 arms to comparation: Sildenafil 20mg oral vs intravenous Sildenafil 10mg
Vall Hebron Hospital
Barcelona, Barcelona, Spain
RECRUITINGEffectiveness
The main efficacy parameter is the effect on pulmonary vascular vasodilation quantified as decreased Pulmonary Vascular Resistance.
Time frame: one day per patient
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