Changes in left atrial function in patients undergoing cardioversion for atrial fibrillation: relevance of left atrial strain in heart failure

Background Left atrial (LA) reservoir strain provides prognostic information in patients with and without heart failure (HF), but might be altered by atrial fibrillation (AF). The aim of the current study was to investigate changes of LA deformation in patients undergoing cardioversion (CV) for firs...

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Veröffentlicht in:Clinical research in cardiology 2022-09, Vol.111 (9), p.1028-1039
Hauptverfasser: von Roeder, Maximilian, Blazek, Stephan, Rommel, Karl-Philipp, Kresoja, Karl-Patrik, Gioia, Guglielmo, Mentzel, Luise, Lurz, Julia Anna, Besler, Christian, Fengler, Karl, Hindricks, Gerhard, Desch, Steffen, Thiele, Holger, Lurz, Philipp
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container_issue 9
container_start_page 1028
container_title Clinical research in cardiology
container_volume 111
creator von Roeder, Maximilian
Blazek, Stephan
Rommel, Karl-Philipp
Kresoja, Karl-Patrik
Gioia, Guglielmo
Mentzel, Luise
Lurz, Julia Anna
Besler, Christian
Fengler, Karl
Hindricks, Gerhard
Desch, Steffen
Thiele, Holger
Lurz, Philipp
description Background Left atrial (LA) reservoir strain provides prognostic information in patients with and without heart failure (HF), but might be altered by atrial fibrillation (AF). The aim of the current study was to investigate changes of LA deformation in patients undergoing cardioversion (CV) for first-time diagnosis of AF. Methods and results We performed 3D-echocardiography and strain analysis before CV (Baseline), after 25 ± 10 days (FU-1) and after 190 ± 20 days (FU-2). LA volumes, reservoir, conduit and active function were measured. In total, 51 patients were included of whom 35 were in SR at FU-1 (12 HF and preserved ejection fraction (HFpEF)), while 16 had ongoing recurrence of AF (9 HFpEF). LA maximum volume was unaffected by cardioversion (Baseline vs. FU-2: 41 ± 11 vs 40 ± 10 ml/m 2 ; p  = 0.85). Restored SR led to a significant increase in LA reservoir strain (Baseline vs FU-1: 12.9 ± 6.8 vs 24.6 ± 9.4, p  
doi_str_mv 10.1007/s00392-021-01982-0
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The aim of the current study was to investigate changes of LA deformation in patients undergoing cardioversion (CV) for first-time diagnosis of AF. Methods and results We performed 3D-echocardiography and strain analysis before CV (Baseline), after 25 ± 10 days (FU-1) and after 190 ± 20 days (FU-2). LA volumes, reservoir, conduit and active function were measured. In total, 51 patients were included of whom 35 were in SR at FU-1 (12 HF and preserved ejection fraction (HFpEF)), while 16 had ongoing recurrence of AF (9 HFpEF). LA maximum volume was unaffected by cardioversion (Baseline vs. FU-2: 41 ± 11 vs 40 ± 10 ml/m 2 ; p  = 0.85). Restored SR led to a significant increase in LA reservoir strain (Baseline vs FU-1: 12.9 ± 6.8 vs 24.6 ± 9.4, p  &lt; 0.0001), mediated by restored LA active strain (SR group Baseline vs. FU-1: 0 ± 0 vs. 12.3 ± 5.3%, p  &lt; 0.0001), while LA conduit strain remained unchanged (Baseline vs. FU-1: 12.9 ± 6.8 vs 13.1 ± 6.2, p  = 0.78). Age-controlled LA active strain remained the only significant predictor of LA reservoir strain on multivariable analysis ( β 1.2, CI 1.04–1.4, p  &lt; 0.0001). HFpEF patients exhibited a significant increase in LA active (8.2 ± 4.3 vs 12.2 ± 6.6%, p  = 0.004) and reservoir strain (18.3 ± 5.7 vs. 22.8 ± 8.8, p  = 0.04) between FU-1 and FU-2, associated with improved LV filling ( r  = 0.77, p  = 0.005). Conclusion Reestablished SR improves LA reservoir strain by restoring LA active strain. Despite prolonged atrial stunning following CV, preserved SR might be of hemodynamic and prognostic benefit in HFpEF. Graphical abstract</description><identifier>ISSN: 1861-0684</identifier><identifier>EISSN: 1861-0692</identifier><identifier>DOI: 10.1007/s00392-021-01982-0</identifier><identifier>PMID: 34932171</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Active control ; Cardiac arrhythmia ; Cardiology ; Cardioversion ; Congestive heart failure ; Echocardiography ; Fibrillation ; Heart failure ; Hemodynamics ; Medicine ; Medicine &amp; Public Health ; Original Paper ; Strain analysis</subject><ispartof>Clinical research in cardiology, 2022-09, Vol.111 (9), p.1028-1039</ispartof><rights>The Author(s) 2021</rights><rights>2021. The Author(s).</rights><rights>The Author(s) 2021. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). 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The aim of the current study was to investigate changes of LA deformation in patients undergoing cardioversion (CV) for first-time diagnosis of AF. Methods and results We performed 3D-echocardiography and strain analysis before CV (Baseline), after 25 ± 10 days (FU-1) and after 190 ± 20 days (FU-2). LA volumes, reservoir, conduit and active function were measured. In total, 51 patients were included of whom 35 were in SR at FU-1 (12 HF and preserved ejection fraction (HFpEF)), while 16 had ongoing recurrence of AF (9 HFpEF). LA maximum volume was unaffected by cardioversion (Baseline vs. FU-2: 41 ± 11 vs 40 ± 10 ml/m 2 ; p  = 0.85). Restored SR led to a significant increase in LA reservoir strain (Baseline vs FU-1: 12.9 ± 6.8 vs 24.6 ± 9.4, p  &lt; 0.0001), mediated by restored LA active strain (SR group Baseline vs. FU-1: 0 ± 0 vs. 12.3 ± 5.3%, p  &lt; 0.0001), while LA conduit strain remained unchanged (Baseline vs. FU-1: 12.9 ± 6.8 vs 13.1 ± 6.2, p  = 0.78). Age-controlled LA active strain remained the only significant predictor of LA reservoir strain on multivariable analysis ( β 1.2, CI 1.04–1.4, p  &lt; 0.0001). HFpEF patients exhibited a significant increase in LA active (8.2 ± 4.3 vs 12.2 ± 6.6%, p  = 0.004) and reservoir strain (18.3 ± 5.7 vs. 22.8 ± 8.8, p  = 0.04) between FU-1 and FU-2, associated with improved LV filling ( r  = 0.77, p  = 0.005). Conclusion Reestablished SR improves LA reservoir strain by restoring LA active strain. Despite prolonged atrial stunning following CV, preserved SR might be of hemodynamic and prognostic benefit in HFpEF. 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The aim of the current study was to investigate changes of LA deformation in patients undergoing cardioversion (CV) for first-time diagnosis of AF. Methods and results We performed 3D-echocardiography and strain analysis before CV (Baseline), after 25 ± 10 days (FU-1) and after 190 ± 20 days (FU-2). LA volumes, reservoir, conduit and active function were measured. In total, 51 patients were included of whom 35 were in SR at FU-1 (12 HF and preserved ejection fraction (HFpEF)), while 16 had ongoing recurrence of AF (9 HFpEF). LA maximum volume was unaffected by cardioversion (Baseline vs. FU-2: 41 ± 11 vs 40 ± 10 ml/m 2 ; p  = 0.85). Restored SR led to a significant increase in LA reservoir strain (Baseline vs FU-1: 12.9 ± 6.8 vs 24.6 ± 9.4, p  &lt; 0.0001), mediated by restored LA active strain (SR group Baseline vs. FU-1: 0 ± 0 vs. 12.3 ± 5.3%, p  &lt; 0.0001), while LA conduit strain remained unchanged (Baseline vs. FU-1: 12.9 ± 6.8 vs 13.1 ± 6.2, p  = 0.78). Age-controlled LA active strain remained the only significant predictor of LA reservoir strain on multivariable analysis ( β 1.2, CI 1.04–1.4, p  &lt; 0.0001). HFpEF patients exhibited a significant increase in LA active (8.2 ± 4.3 vs 12.2 ± 6.6%, p  = 0.004) and reservoir strain (18.3 ± 5.7 vs. 22.8 ± 8.8, p  = 0.04) between FU-1 and FU-2, associated with improved LV filling ( r  = 0.77, p  = 0.005). Conclusion Reestablished SR improves LA reservoir strain by restoring LA active strain. Despite prolonged atrial stunning following CV, preserved SR might be of hemodynamic and prognostic benefit in HFpEF. Graphical abstract</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><pmid>34932171</pmid><doi>10.1007/s00392-021-01982-0</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0003-3939-2139</orcidid><oa>free_for_read</oa></addata></record>
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subjects Active control
Cardiac arrhythmia
Cardiology
Cardioversion
Congestive heart failure
Echocardiography
Fibrillation
Heart failure
Hemodynamics
Medicine
Medicine & Public Health
Original Paper
Strain analysis
title Changes in left atrial function in patients undergoing cardioversion for atrial fibrillation: relevance of left atrial strain in heart failure
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