D97. IMPACT OF COPD ACROSS THE LIFESPAN

Lung Microstructure and Regional Function of Quantitative Emphysema Subtypes on Coregistered Computed Tomography and Hyperpolarized Gas Magnetic Resonance Imaging Scans: The M E S A - C O P D Study

Pub Date : 2023-05-01 DOI: 10.1164/ajrccm-conference.2023.207.1_meetingabstracts.a6596 W. Shen, X. Zhang, Y. Sun, E. Angelini, A. Laine, Y. Sun, S. Dashnaw, M. Prince, E. Hoffman, J. Wild, E. Hughes, R. Barr

Does Respiratory Muscle Strength Substantially Improve Prognostic Evaluation and Risk Stratification in Moderate-to-Very Severe Chronic Obstructive Pulmonary Disease (COPD)? A 42-Month Follow-up Analysis

Pub Date : 2023-05-01 DOI: 10.1164/ajrccm-conference.2023.207.1_meetingabstracts.a6592 R.N. Silva, C. Goulart, G. Back, C. R. Oliveira, A.B. Silva

Longitudinal Assessment of Ultrasound-derived Diaphragm Contractile Reserve in Acute Exacerbations of COPD

Pub Date : 2023-05-01 DOI: 10.1164/ajrccm-conference.2023.207.1_meetingabstracts.a6591 A. Valin-Thorburn, A. Kharat, B. Dubé