Ultrasound indices of congestion in patients with acute heart failure according to body mass index
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ORIGINAL PAPER
Ultrasound indices of congestion in patients with acute heart failure according to body mass index Alberto Palazzuoli1 · Gaetano Ruocco1,2 · Beatrice Franci1 · Isabella Evangelista1 · Barbara Lucani1 · Ranuccio Nuti1 · Pierpaolo Pellicori3 Received: 29 January 2020 / Accepted: 2 April 2020 © Springer-Verlag GmbH Germany, part of Springer Nature 2020
Abstract Background The inverse relationship between body mass index (BMI) and natriuretic peptide levels complicates the diagnosis of heart failure (HF) in obese patients. Assessment of congestion with ultrasound could facilitate HF diagnosis but it is unclear if any relationship exists amongst BMI, inferior vena cava (IVC) diameter and the number of B-lines. Methods We performed a comprehensive echocardiographic evaluation within 24 h from hospital admission in patients with HF, including lung B-lines and IVC diameter, and studied their relationship with BMI and outcome. Results 216 patients (median age 81 (77–86) years) were enrolled. Median number of B-lines was 31 (IQR 26–38), median IVC diameter was 23 (22–25) mm and median BNP 991 (727–1601) pg/mL. BMI was inversely correlated with B-lines (r = − 0.50, p
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