Trajectory and correlates of pulmonary congestion by lung ultrasound in patients with acute myocardial infarction: Insights from PARADISE-MI

Elke Platz*, Brian Claggett, Karola S Jering, Attila Kovacs, Maja Cikes, Ephraim B Winzer, Aria Rad, Martin P Lefkowitz, Jianjian Gong, Lars Køber, John J V McMurray, Scott D Solomon, Marc A Pfeffer, Amil Shah

*Corresponding author af dette arbejde

Abstract

AIM: PARADISE-MI examined the efficacy of sacubitril/valsartan in acute myocardial infarction (AMI) complicated by reduced left ventricular ejection fraction (LVEF), pulmonary congestion, or both. We sought to assess the trajectory of pulmonary congestion using lung ultrasound (LUS) and its association with cardiac structure and function in a pre-specified substudy.

METHODS AND RESULTS: Patients without prior heart failure (HF) underwent eight-zone LUS and echocardiography at baseline (±2 days of randomization) and after 8 months. B-lines were quantified offline, blinded to treatment, clinical findings, time point, and outcomes. Among 152 patients (median age 65, 32% women, mean LVEF 41%), B-lines were detectable in 87% at baseline [median B-line count: 4 (interquartile range 2-8)]. Among 115 patients with LUS data at baseline and follow-up, B-lines decreased significantly from baseline (mean ± standard deviation: -1.6 ± 7.3; P = 0.018). The proportion of patients without pulmonary congestion at follow-up was significantly higher in those with fewer B-lines at baseline. Adjusted for baseline, B-lines at follow-up were on average 6 (95% confidence interval: 3-9) higher in patients who experienced an intercurrent HF event vs. those who did not (P = 0.001). A greater number of B-lines at baseline was associated with larger left atrial size, higher E/e' and E/A ratios, greater degree of mitral regurgitation, worse right ventricular systolic function, and higher tricuspid regurgitation velocity (P-trend <0.05 for all).

CONCLUSION: In this AMI cohort, B-lines, indicating pulmonary congestion, were common at baseline and, on average, decreased significantly from baseline to follow-up. Worse pulmonary congestion was associated with prognostically important echocardiographic markers.

OriginalsprogEngelsk
TidsskriftEuropean heart journal. Acute cardiovascular care
Vol/bind12
Udgave nummer3
Sider (fra-til)155-164
Antal sider10
ISSN2048-8726
DOI
StatusUdgivet - 3 apr. 2023

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