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Haemodynamic changes in pulmonary hypertension in patients with interstitial lung disease treated with PDE-5 inhibitors.
Respirology 19, 700-706 (2014)
Background and objective Interstitial lung diseases (ILD) are often associated with pulmonary hypertension (PH). This study aimed to evaluate the therapeutic benefit of phosphodiesterase-5 (PDE-5) inhibitors in pulmonary hypertension secondary to ILD. Methods Patients with ILD and PH were treated with sildenafil or tadalafil. Right heart catheterization was performed before and after a minimum of 3-month treatment. In addition, lung function, 6-min walk distance (6MWD) and plasma brain natriuretic peptide (BNP) concentration were assessed. Results Ten ILD patients (three female, mean age 64.4 +/- 9.0 years, six with idiopathic pulmonary fibrosis (IPF), four with hypersensitivity pneumonitis, (HP)) with significant precapillary PH (mean pulmonary artery pressure (PAPm)25mmHg, pulmonary vascular resistance (PVR)>280 dyn*s*cm-5; pulmonary artery wedge pressure (PAWPm)15mmHg) were treated with either sildenafil (n=5) or tadalafil (n=5). Pulmonary haemodynamics were severely impaired at baseline (PAPm 42.9 +/- 5.4mmHg; cardiac index (CI) 2.7 +/- 0.6 L/min/m2; PVR 519 +/- 131 dynxsecxcm-5). After mean follow-up of 6.9 +/- 5.8 months an increase in CI (2.9 +/- 0.7 L/min/m2, P=0.04) and a decrease in PVR (403 +/- 190 dynxsecxcm-5, P=0.03) were observed. 6MWD and BNP did not change significantly. Conclusions Our data suggest that treatment with PDE-5 inhibitors improves pulmonary haemodynamic patients with PH secondary to ILD.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Idiopathic Pulmonary Fibrosis ; Interstitial Lung Disease ; Phosphodiesterase 5 Inhibitor ; Pulmonary Fibrosis ; Pulmonary Hypertension; Brain Natriuretic Peptide; Arterial-hypertension; Controlled-trial; Fibrosis; Sildenafil; Statement; Therapy; Guidelines; Expression; Exercise
ISSN (print) / ISBN 1323-7799
Quellenangaben Band: 19, Heft: 5, Seiten: 700-706
Institut(e) Comprehensive Pneumology Center (CPC)