RT Journal Article T1 Sildenafil for improving outcomes in patients with corrected valvular heart disease and persistent pulmonary hypertension: a multicenter, double-blind, randomized clinical trial. A1 Bermejo, Javier A1 Yotti, Raquel A1 García-Orta, Rocío A1 Sánchez-Fernández, Pedro L A1 Castaño, Mario A1 Segovia-Cubero, Javier A1 Escribano-Subías, Pilar A1 San Román, José Alberto A1 Borrás, Xavier A1 Alonso-Gómez, Angel A1 Botas, Javier A1 Crespo-Leiro, María G A1 Velasco, Sonia A1 Bayés-Genís, Antoni A1 López, Amador A1 Muñoz-Aguilera, Roberto A1 de Teresa, Eduardo A1 González-Juanatey, José R A1 Evangelista, Arturo A1 Mombiela, Teresa A1 González-Mansilla, Ana A1 Elízaga, Jaime A1 Martín-Moreiras, Javier A1 González-Santos, José M A1 Moreno-Escobar, Eduardo A1 Fernández-Avilés, Francisco A1 Sildenafil for Improving Outcomes after VAlvular Correction (SIOVAC) investigators, AB We aimed to determine whether treatment with sildenafil improves outcomes of patients with persistent pulmonary hypertension (PH) after correction of valvular heart disease (VHD). The sildenafil for improving outcomes after valvular correction (SIOVAC) study was a multricentric, randomized, parallel, and placebo-controlled trial that enrolled stable adults with mean pulmonary artery pressure ≥ 30 mmHg who had undergone a successful valve replacement or repair procedure at least 1 year before inclusion. We assigned 200 patients to receive sildenafil (40 mg three times daily, n = 104) or placebo (n = 96) for 6 months. The primary endpoint was the composite clinical score combining death, hospital admission for heart failure (HF), change in functional class, and patient global self-assessment. Only 27 patients receiving sildenafil improved their composite clinical score, as compared with 44 patients receiving placebo; in contrast 33 patients in the sildenafil group worsened their composite score, as compared with 14 in the placebo group [odds ratio 0.39; 95% confidence interval (CI) 0.22-0.67; P  Treatment with sildenafil in patients with persistent PH after successfully corrected VHD is associated to worse clinical outcomes than placebo. Off-label usage of sildenafil for treating this source of left heart disease PH should be avoided. The trial is registered with ClinicalTrials.gov, number NCT00862043. YR 2018 FD 2018 LK http://hdl.handle.net/10668/11954 UL http://hdl.handle.net/10668/11954 LA en DS RISalud RD Sep 8, 2025