| Title: | Difference in left atrial myocardial dynamics during reservoir phase between hypertrophic cardiomyopathy and hypertensive heart determined using three-dimensional speckle tracking echocardiography |
| Authors: | Yanagi, Yusuke Browse this author |
| Okada, Kazunori Browse this author |
| Kaga, Sanae Browse this author →KAKEN DB |
| Mikami, Taisei Browse this author →KAKEN DB |
| Aiba, Miho Browse this author |
| Masauzi, Nobuo Browse this author |
| Murayama, Michito Browse this author →KAKEN DB |
| Tanemura, Asuka Browse this author |
| Yokoyama, Shinobu Browse this author |
| Nishino, Hisao Browse this author |
| Nakabachi, Masahiro Browse this author |
| Tamaki, Yoji Browse this author |
| Aoyagi, Hiroyuki Browse this author |
| Motoi, Ko Browse this author |
| Ishizaka, Suguru Browse this author |
| Chiba, Yasuyuki Browse this author |
| Tsujinaga, Shingo Browse this author →KAKEN DB |
| Iwano, Hiroyuki Browse this author →KAKEN DB |
| Anzai, Toshihisa Browse this author →KAKEN DB |
| Keywords: | Left atrial circumferential strain |
| Hypertrophic cardiomyopathy |
| Hypertension |
| Left ventricular hypertrophy |
| Three-dimensional speckle-tracking echocardiography |
| Issue Date: | 12-Apr-2022 |
| Journal Title: | The International Journal of Cardiovascular Imaging |
| Volume: | 38 |
| Issue: | 8 |
| Start Page: | 1781 |
| End Page: | 1791 |
| Publisher DOI: | 10.1007/s10554-022-02604-0 |
| Abstract: | We aimed to investigate left atrial (LA) myocardial dynamics during reservoir phase using three-dimensional speckle-tracking echocardiography (3DSTE) focusing on its longitudinal-circumferential relationship in patients with left ventricular (LV) hypertrophy and clarifying the difference in LA myocardial reservoir dynamics between hypertrophic cardiomyopathy (HCM) and hypertension with LV hypertrophy (HT-LVH). We studied 4 age-matched groups consisting of 27 patients with HCM, 16 with HT-LVH, 22 hypertensive patients without LV hypertrophy (HT), and 18 normal controls. Using 3DSTE, we measured LA global longitudinal strain (LA-LSR), global circumferential strain (LA-CSR), and global area strain (LA-AS(R)) during the reservoir phase, as well as LV global longitudinal strain (LV-LS), global circumferential strain (LV-CS), and global area strain (LV-AS). LA-LSR was significantly lower in the HCM and HT-LVH groups than in the controls, but there was no significant difference between the HCM and HT-LVH groups. LA-CSR and LA-AS(R) were significantly lower in the HCM group than in the other three groups, among which no significant difference was detected. In all subjects, LA-LSR was significantly correlated with LV-LS but not with LV-CS. LA-CSR was correlated with neither LV-LS nor LV-CS. In conclusion, both longitudinal and circumferential LA myocardial expansion during reservoir phase were reduced in HCM, while only the longitudinal one was reduced in HT-LVH. Reduction of LA circumferential expansion may reflect a more serious and intrinsic impairment of LA myocardial distensibility in HCM. Measuring LA-CSR and LA-AS(R) using 3DSTE would contribute to a more accurate understanding of LA reservoir function abnormality in HCM. |
| Rights: | This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: https://doi.org/10.1007/s10554-022-02604-0 |
| Type: | article (author version) |
| URI: | http://hdl.handle.net/2115/88943 |
| Appears in Collections: | 保健科学院・保健科学研究院 (Graduate School of Health Sciences / Faculty of Health Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)
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