Observational studyThe international journal of cardiovascular imaging2022
Left ventricular systolic function affects right atrial pressure as prognosticator in patients with heart failure.
Observational study in The international journal of cardiovascular imaging, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
The effect of the left ventricular ejection fraction (LVEF) on the prognostic impact of the right atrial pressure (RAP) in patients with heart failure (HF) requires clarification. We aimed to investigate whether LVEF affects the prognostic impact of RAP estimated from inferior vena cava (IVC) measurements in patients hospitalized with HF. Initially, this observational study included 1349 consecutive patients urgently hospitalized with HF. After patient exclusions, 506 and 484 patients with reduced (< 40%) and with non-reduced (≥ 40%) LVEF, respectively, were assigned according to maximum IVC diameter and its collapsibility, to the Normal-RAP (diameter ≤ 2.1 cm; collapsibility ≥ 50%), High-RAP (diameter > 2.1 cm; collapsibility < 50%), and Intermediate-RAP (others) groups. The endpoint comprised cardiovascular death after discharge and hospitalization for HF recurrence. During the observation period, 247 (49%) patients with LVEF < 40% and 178 (37%) patients with LVEF ≥ 40% experienced the endpoint. The patient subgroups with LVEF < 40% had comparable event rates (p
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