LUng voluMe reductIoN by DuAl ENergy CT Evaluation (LUMINANCE) Study

Exclusion Criteria

• •Patients unable to provide consent
• •Patients who are pregnant or nursing
• •Women of child-bearing age will undergo pregnancy tests based on University Hospital (UH) standard bronchoscopy pre-procedural testing
• •Patients unable to undergo a DECT chest (contraindications to a CT chest with intravenous contrast such as a reported or documented allergy to intravenous (IV) contrast or impaired renal function, defined as the following:
• •Glomerular filtration rate (GFR) \<90 ml/min/1.73 m2 at the time of initial evaluation if patient age is ≤ 59 years
• •GFR \<85 ml/min/1.73 m2 if patient age is 60-69 years
• •GFR \<75 ml/min/1.73 m2 if patient age is ≥70 years