Ventilation-Perfusion Discrepancy Index Versus Conventional Anatomic-Physiologic Assessment for Target Lung Lobe Selection in Endobronchial Valve Placement: A Multicenter, Randomised Controlled Trial
Nonsmoking for 4 months prior to screening interview
BMI less than 35 kg/m2
Stable on current medication regimen
Forced expiratory volume in one second (FEV1) between 15% and 45% of predicted value
Residual Volume less than 175% predicted (determined by body plethysmography)
Little or no collateral ventilation (CV-) as determined using the Chartis System
You may not be if
Had two or more hospitalizations over the last year for a COPD exacerbation
Had two or more hospitalizations over the last year for pneumonia
Had a prior lung transplant, lung volume reduction surgery, bullectomy or lobectomy
Had a heart attack or congestive heart failure within the last 6 months
Have heart arrhythmia
Is alpha-1 antitrypsin deficient
Clareo Health | Ventilation-Perfusion Discrepancy Index Versus Conventional Anatomic-Physiologic Assessment for Target Lung Lobe Selection in Endobronchial Valve Placement: A Multicenter, Randomised Controlled Trial
