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New research · Family Medicine
Family practice · 1d
ObservationalFamily practice · 2026

Pulmonary congestion assessed by lung ultrasound in stable ambulatory patients with heart failure and preserved ejection fraction in primary care.

Eva Leceaga-Gaztambide, Mar Domingo, Josep M Manresa … Pere Torán-Montserrat
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Family MedicineObservational

Most stable heart failure with preserved ejection fraction patients have subclinical pulmonary congestion.

Pulmonary congestion assessed by lung ultrasound in stable ambulatory patients with heart failure and preserved ejection fraction in primary care.

Eva Leceaga-Gaztambide et al. · Family practice · 2026
Background

Heart failure with preserved ejection fraction (HFpEF) accounts for a growing proportion of heart failure cases.

Methods

With pleural effusions were excluded, and B-lines were quantified offline.

n = 188 patients
86.5%
Results
most patients had fluid in their lungs, not yet causing symptoms
n = 188 patients
More results

Higher B-line count was associated with higher systolic blood pressure, pulmonary crackles, and increased N-terminal pro-brain natriuretic peptide and cancer antigen 125 levels.

In contrast, no significant relationship was found between B-lines and 6-minute walking test, frailty index, or HF-related quality of life.

“
Conclusion · 1 of 2

In stable ambulatory HFpEF patients managed in primary care, lung ultrasound frequently identifies subclinical pulmonary congestion.

Conclusion · 2 of 2

B-lines are associated with biomarkers of congestion, crackles, and systolic blood pressure, but not with functional capacity, frailty, or patient-reported health status.

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