Pulmonary congestion on lung ultrasound in ambulatory patients with heart failure and preserved ejection fraction.

Background: Early detection of pulmonary congestion among ambulatory patients with heart failure with preserved ejection fraction (HFpEF) is critical to optimize decongestive therapy prior to overt decompensation, yet traditional tools are insensitive.

Objectives: To examine the prevalence of B-lines, an ultrasound measure of pulmonary congestion, and their clinical and imaging correlates in patients with HFpEF.

Methods: In a prospective, multi-site observational study, using a pocket ultrasound device, 8-zone lung ultrasound was performed in outpatients with HFpEF, left ventricular ejection fraction (LVEF) ≥45% and NYHA class II-IV.

A Mobile Health Intervention to Increase Physical Activity in Pulmonary Arterial Hypertension.

Background: Supervised exercise training improves outcomes in patients with pulmonary arterial hypertension (PAH). The effect of an unsupervised activity intervention has not been tested.

Research Question: Can a text-based mobile health intervention increase step counts in patients with PAH?

Study Design And Methods: We performed a randomized, parallel arm, single-blind clinical trial.