ArticleCardiovascular ultrasound2024
Left atrial strain in patients without cardiovascular disease: uncovering influencing and related factors.
Article in Cardiovascular ultrasound, 2024. 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
backgroundDespite its proven prognostic value in different contexts, the precise implications of left atrial strain (LAS) assessment throughout different phases of the atrial cycle remain uncertain. A direct correlation between left atrial reservoir strain (LARS) and left ventricular global longitudinal strain (GLS) has been consistently demonstrated in several studies involving patients with various heart diseases. The objective of our study is to identify factors directly associated with LARS, left atrial conduction strain (LACS) and left atrial booster strain (LABS) in patients without cardiovascular (CV) disease.
methodsTransthoracic echocardiographic examinations in patients without CV disease were prospectively selected in two tertiary hospitals echocardiography labs for clinical purposes. LAS, maximal and minimal left atrial (LA) volumes and left atrial ejection fraction (LAEF) were measured using the two-dimensional strain analysis package provided by the EchoPAC Plugging workstation (AFI LA).
resultsA total of 196 cases were included, median age of 54 (45-62) with 85 (43%) being men. The mean left ventricular ejection fraction (LVEF) was 61% ± 5, and the median GLS was - 18% (-17 to -20). Median indexed maximum volume of left atrium (LAVI) was 27 ml/m
conclusionsIn patients without CV disease, GLS emerges as a crucial determinant of LARS and LACS. LAEF and e'
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