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The impact of tissue-tracking strain on the left atrial dysfunction in the patients with left ventricular dysfunction

BACKGROUND: The extracellular volume (ECV) calculated by T1 mapping, and tissue-tracking strain using cardiac magnetic resonance (CMR) are useful for assessing the left ventricular (LV) function. However, those parameters are controversial for assessing left atrial (LA) function. This study aimed to...

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Autores principales: Koike, Hideki, Kishi, Satoru, Hosoda, Naoki, Takemoto, Shuhei, Tomii, Daijiro, Ninomiya, Kai, Tanaka, Tetsu, Asami, Masahiko, Yahagi, Kazuyuki, Komiyama, Kota, Tanaka, Jun, Yuzawa, Hitomi, Nakanishi, Rine, Fujino, Tadashi, Aoki, Jiro, Venkatesh, Bharath A., Lima, João A.C., Tanabe, Kengo, Ikeda, Takanori
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Elsevier 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6948228/
https://www.ncbi.nlm.nih.gov/pubmed/31921972
http://dx.doi.org/10.1016/j.ijcha.2019.100453
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author Koike, Hideki
Kishi, Satoru
Hosoda, Naoki
Takemoto, Shuhei
Tomii, Daijiro
Ninomiya, Kai
Tanaka, Tetsu
Asami, Masahiko
Yahagi, Kazuyuki
Komiyama, Kota
Tanaka, Jun
Yuzawa, Hitomi
Nakanishi, Rine
Fujino, Tadashi
Aoki, Jiro
Venkatesh, Bharath A.
Lima, João A.C.
Tanabe, Kengo
Ikeda, Takanori
author_facet Koike, Hideki
Kishi, Satoru
Hosoda, Naoki
Takemoto, Shuhei
Tomii, Daijiro
Ninomiya, Kai
Tanaka, Tetsu
Asami, Masahiko
Yahagi, Kazuyuki
Komiyama, Kota
Tanaka, Jun
Yuzawa, Hitomi
Nakanishi, Rine
Fujino, Tadashi
Aoki, Jiro
Venkatesh, Bharath A.
Lima, João A.C.
Tanabe, Kengo
Ikeda, Takanori
author_sort Koike, Hideki
collection PubMed
description BACKGROUND: The extracellular volume (ECV) calculated by T1 mapping, and tissue-tracking strain using cardiac magnetic resonance (CMR) are useful for assessing the left ventricular (LV) function. However, those parameters are controversial for assessing left atrial (LA) function. This study aimed to investigate the usefulness of CMR to evaluate the LA function using those parameters. Furthermore, those LA function parameters were compared in each LV function. METHODS: A total of 65 consecutive patients who underwent contrast CMR were prospectively enrolled (age 55.7 ± 14. 6 years, males 67.7%). Among the 65 patients, there were 15 without hypertension, diabetes, or atrial fibrillation (Healthy group). The remaining 50 patients were divided into two groups according to a left ventricular ejection fraction (LVEF) of 50%. We assessed the correlations between the LV- and LA-CMR parameters among the three groups (LVEF < 50%; n = 20, LVEF ≥ 50%; n = 30, and Healthy; n = 15). RESULTS: The LA-longitudinal strain for an LVEF < 50% was lower than that for the others (LVEF < 50%; 13.6 ± 7.9%, LVEF ≥ 50%; 24. 5 ± 13.5%, Healthy; 24.5 ± 9.8%, p = 0.003). However, the LA-ECV did not significantly differ among the three groups (LVEF < 50%; 50.3 ± 3.6%, LVEF ≥ 50%; 53.1 ± 4.9%, Healthy; 53.2 ± 6.5%, p = 0.12). A multiple regression model after adjusting for the patient background revealed that a worse LA-longitudinal strain was correlated with a low LVEF and large LA-volume, but the LA-ECV was not associated with those. CONCLUSIONS: The LA-strain in LV dysfunction patients was significantly lower. However, the LA-ECV did not significantly differ from that in those without LV dysfunction. Tissue-tracking strain is more useful for evaluating the LA dysfunction than T1 mapping.
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spelling pubmed-69482282020-01-09 The impact of tissue-tracking strain on the left atrial dysfunction in the patients with left ventricular dysfunction Koike, Hideki Kishi, Satoru Hosoda, Naoki Takemoto, Shuhei Tomii, Daijiro Ninomiya, Kai Tanaka, Tetsu Asami, Masahiko Yahagi, Kazuyuki Komiyama, Kota Tanaka, Jun Yuzawa, Hitomi Nakanishi, Rine Fujino, Tadashi Aoki, Jiro Venkatesh, Bharath A. Lima, João A.C. Tanabe, Kengo Ikeda, Takanori Int J Cardiol Heart Vasc Original Paper BACKGROUND: The extracellular volume (ECV) calculated by T1 mapping, and tissue-tracking strain using cardiac magnetic resonance (CMR) are useful for assessing the left ventricular (LV) function. However, those parameters are controversial for assessing left atrial (LA) function. This study aimed to investigate the usefulness of CMR to evaluate the LA function using those parameters. Furthermore, those LA function parameters were compared in each LV function. METHODS: A total of 65 consecutive patients who underwent contrast CMR were prospectively enrolled (age 55.7 ± 14. 6 years, males 67.7%). Among the 65 patients, there were 15 without hypertension, diabetes, or atrial fibrillation (Healthy group). The remaining 50 patients were divided into two groups according to a left ventricular ejection fraction (LVEF) of 50%. We assessed the correlations between the LV- and LA-CMR parameters among the three groups (LVEF < 50%; n = 20, LVEF ≥ 50%; n = 30, and Healthy; n = 15). RESULTS: The LA-longitudinal strain for an LVEF < 50% was lower than that for the others (LVEF < 50%; 13.6 ± 7.9%, LVEF ≥ 50%; 24. 5 ± 13.5%, Healthy; 24.5 ± 9.8%, p = 0.003). However, the LA-ECV did not significantly differ among the three groups (LVEF < 50%; 50.3 ± 3.6%, LVEF ≥ 50%; 53.1 ± 4.9%, Healthy; 53.2 ± 6.5%, p = 0.12). A multiple regression model after adjusting for the patient background revealed that a worse LA-longitudinal strain was correlated with a low LVEF and large LA-volume, but the LA-ECV was not associated with those. CONCLUSIONS: The LA-strain in LV dysfunction patients was significantly lower. However, the LA-ECV did not significantly differ from that in those without LV dysfunction. Tissue-tracking strain is more useful for evaluating the LA dysfunction than T1 mapping. Elsevier 2020-01-05 /pmc/articles/PMC6948228/ /pubmed/31921972 http://dx.doi.org/10.1016/j.ijcha.2019.100453 Text en © 2019 The Authors http://creativecommons.org/licenses/by-nc-nd/4.0/ This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
spellingShingle Original Paper
Koike, Hideki
Kishi, Satoru
Hosoda, Naoki
Takemoto, Shuhei
Tomii, Daijiro
Ninomiya, Kai
Tanaka, Tetsu
Asami, Masahiko
Yahagi, Kazuyuki
Komiyama, Kota
Tanaka, Jun
Yuzawa, Hitomi
Nakanishi, Rine
Fujino, Tadashi
Aoki, Jiro
Venkatesh, Bharath A.
Lima, João A.C.
Tanabe, Kengo
Ikeda, Takanori
The impact of tissue-tracking strain on the left atrial dysfunction in the patients with left ventricular dysfunction
title The impact of tissue-tracking strain on the left atrial dysfunction in the patients with left ventricular dysfunction
title_full The impact of tissue-tracking strain on the left atrial dysfunction in the patients with left ventricular dysfunction
title_fullStr The impact of tissue-tracking strain on the left atrial dysfunction in the patients with left ventricular dysfunction
title_full_unstemmed The impact of tissue-tracking strain on the left atrial dysfunction in the patients with left ventricular dysfunction
title_short The impact of tissue-tracking strain on the left atrial dysfunction in the patients with left ventricular dysfunction
title_sort impact of tissue-tracking strain on the left atrial dysfunction in the patients with left ventricular dysfunction
topic Original Paper
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6948228/
https://www.ncbi.nlm.nih.gov/pubmed/31921972
http://dx.doi.org/10.1016/j.ijcha.2019.100453
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