Saves the questions and what to expect into your notes, next to the visit they belong to.
Keep this study
Lead
Rabin Medical Center
Age
30–90
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
1. Patients with severe COPD GOLD stage III- IV, FEV1 30-50% or less of predicted values, greater shortness of breath, reduced exercise capacity, repeated excretions and\\ or with chronic respiratory failure \[9, 39\].
2. IPF patients diagnosed essentially according to the American Thoracic and European Respiratory Societies (ATS-ERS) by clinical diagnostic criteria of: (a) High-resolution computed tomography (HRCT) demonstrating a pattern of "confident" or "possible" IPF (b) Abnormal pulmonary physiology with evidence of restriction and/or impaired gas exchange (can exist during exercise alone) (c) Exclusion of other known causes of interstitial lung disease (e.g.: connective tissue disease, environmental exposure,etc.)\[31\].
3. Patients post Pneumonectomy more than 6 month from the amputation surgery for any diagnosis (Cancer, Trauma, and Infection- Bronchiectasis).
You may not be if
1. Patients with known sensitivity or contraindications to phosphodiesterase 5 (PDE-5) inhibitor therapies will be excluding from the study.
2. Thromboembolic disease will be excluded by pulmonary CT-angiography or perfusion scan.
3. Patients with a history of left-sided heart failure will be excluded.
4. Patients will also exclude if they are on regular treatment with nitrates or PDE-5 inhibitors (Sildenafil, Tadalafil, Vardenafil).
