Interatrial block and atrial remodeling assessed using speckle tracking echocardiography

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  • dc.contributor.author Lacalzada-Almeida, Juanca
  • dc.contributor.author Izquierdo-Gómez, María Manuelaca
  • dc.contributor.author Belleyo-Belkasem, Carimaca
  • dc.contributor.author Barrio-Martínez, Patriciaca
  • dc.contributor.author García-Niebla, Javierca
  • dc.contributor.author Elosua Llanos, Robertoca
  • dc.contributor.author Jiménez-Sosa, Alejandroca
  • dc.contributor.author Escobar-Robledo, Luis Albertoca
  • dc.contributor.author Bayés-De-Luna, Antonica
  • dc.date.accessioned 2018-10-17T07:27:29Z
  • dc.date.available 2018-10-17T07:27:29Z
  • dc.date.issued 2018
  • dc.description.abstract BACKGROUND: To evaluate the possibility of left atrial (LA) remodeling using speckle tracking echocardiography (STE) in patients with interatrial block (IAB). METHODS: We performed a cross-sectional study with three groups of patients: 56 without IAB, 21 with partial IAB (pIAB), and 22 with advanced IAB (aIAB). Transthoracic echocardiographic (TTE) STE was performed and clinical and echocardiographic findings were analyzed. RESULTS: TTE showed higher LA volume/body surface area in the patients with IAB. With STE, the absolute value of strain rate during atrial booster pump function (SRa) and early reservoir period (SRs) decreased in the pIAB group and even more in the aIAB group, compared to the group without IAB. The independent variables were the echocardiographic measures of LA size and function. After adjusting for confounders, both multiple linear regression and multivariate multinomial regression showed good correlation with dependent variables: longer P-wave duration on electrocardiography and with the type of IAB, respectively. SRa (p < 0.001), SRs (p < 0.001), and maximal peak LA longitudinal strain in the reservoir period (p = 0.009) were independently associated with P-wave duration. SRa was also associated with the presence of pIAB (OR = 11.5; 95% confidence interval (CI): 2.7-49.0; p = 0.001) and aIAB, (OR = 98.2; 95% CI: 16-120.4; p < 0.001) and SRs was associated with pIAB (OR: 0.03; CI: 0.003-0.29; p = 0.003) and with aIAB (OR: 0.008; CI: 0.001-0.12; p = 0.004). CONCLUSIONS: IAB correlates directly with structural remodeling and a decrease in the absolute value of LA SRa and SRs determined using STE.
  • dc.format.mimetype application/pdf
  • dc.identifier.citation Lacalzada-Almeida J, Izquierdo-Gómez MM, Belleyo-Belkasem C, Barrio-Martínez P, García-Niebla J, Elosua R. et al. Interatrial block and atrial remodeling assessed using speckle tracking echocardiography. BMC Cardiovasc Disord. 2018 Feb 21;18(1):38. DOI: 10.1186/s12872-018-0776-6
  • dc.identifier.doi http://dx.doi.org/10.1186/s12872-018-0776-6
  • dc.identifier.issn 1471-2261
  • dc.identifier.uri http://hdl.handle.net/10230/35612
  • dc.language.iso eng
  • dc.publisher BioMed Centralca
  • dc.relation.ispartof BMC Cardiovascular Disorders. 2018 Feb 21;18(1):38
  • dc.rights Copyright © The Author(s). 2018. Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated
  • dc.rights.accessRights info:eu-repo/semantics/openAccess
  • dc.rights.uri http://creativecommons.org/publicdomain/zero/1.0
  • dc.subject.keyword Interatrial block
  • dc.subject.keyword Left atrium
  • dc.subject.keyword Speckle tracking echocardiography
  • dc.subject.keyword Strain
  • dc.subject.keyword Strain rate
  • dc.subject.other Ecocardiografia
  • dc.title Interatrial block and atrial remodeling assessed using speckle tracking echocardiographyca
  • dc.type info:eu-repo/semantics/article
  • dc.type.version info:eu-repo/semantics/publishedVersion

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