A Study to Assess Pulmonary Congestion During Cardiac Hemodynamic Stress Testing

Overview

About this study

The aims of this study are to correlate quantitative Lung Ultrasound (LUS) with gold-standard invasive hemodynamics during exercise in a continuous fashion, to use pulmonary thermodilution for dynamic Extravascular Lung Water (EVLW) measurements to allow direct correlation with sonographic interstitial lung thickening (B-lines) both at rest and during maximal effort exercise, and to examine how development of EVLW and B-lines relates to exercise capacity, symptoms and ventilatory control.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria:

All adult patients (≥ 18 years old) who are referred for invasive hemodynamic assessment of chronic dyspnea.
Patients who have the capacity to understand and consent for the research study.

Exclusion Criteria:

Patients with known interstitial lung disease or pulmonary fibrosis.

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