Informed Consent
Item
consent to participate in the study after detailed information about benefits and risks
boolean
C0021430 (UMLS CUI [1])
Exercise stress test Negative
Item
negative exercise stress test prior to study initiation
boolean
C0015260 (UMLS CUI [1,1])
C1513916 (UMLS CUI [1,2])
Forced expired volume in one second/forced vital capacity ratio
Item
forced expiratory volume in 1 sec/forced vital capacity ratio >70%;
boolean
C0429745 (UMLS CUI [1])
Left ventricular ejection fraction
Item
lvef < 45%.
boolean
C0428772 (UMLS CUI [1])
Exercise test Maximal Unable to complete
Item
inability to complete a maximal exercise test
boolean
C0015260 (UMLS CUI [1,1])
C0205289 (UMLS CUI [1,2])
C3842772 (UMLS CUI [1,3])
Systolic blood pressure at rest
Item
resting systolic blood pressure > 140 or <110 mmhg
boolean
C2039694 (UMLS CUI [1])
Nitrates
Item
therapy with nitrate preparations
boolean
C0028125 (UMLS CUI [1])
Intolerance to Sildenafil
Item
history of sildenafil intolerance
boolean
C1744706 (UMLS CUI [1,1])
C0529793 (UMLS CUI [1,2])
Lung diseases | Valvular disease
Item
significant lung or valvular diseases
boolean
C0024115 (UMLS CUI [1])
C3258293 (UMLS CUI [2])
Neuromuscular Diseases | Peripheral Vascular Disease
Item
neuromuscular disorders or peripheral vascular disease
boolean
C0027868 (UMLS CUI [1])
C0085096 (UMLS CUI [2])