Left ventricular longitudinal strain is a major determinant of CT-derived three-dimensional maximum principal strain: comparison with two-dimensional speckle tracking echocardiography

被引：4

作者：

Kinoshita, Masaki ^{[1
]}

Tanabe, Yuki ^{[2
]}

Yoshida, Kazuki ^{[2
]}

Kurata, Akira ^{[2
]}

Kobayashi, Yusuke ^{[2
]}

Uetani, Teruyoshi ^{[1
]}

Inoue, Katsuji ^{[1
]}

Nishimura, Kazuhisa ^{[1
]}

Ikeda, Shuntaro ^{[1
]}

Mochizuki, Teruhito ^{[2
,3
]}

Kido, Teruhito ^{[2
]}

Yamaguchi, Osamu ^{[1
]}

机构：

[1] Ehime Univ, Grad Sch Med, Dept Cardiol Pulmonol Hypertens & Nephrol, Toon, Ehime 7910295, Japan

[2] Ehime Univ, Grad Sch Med, Dept Radiol, Toon, Ehime 7910295, Japan

[3] IM Sechenov First Moscow State Med Univ, Dept Radiol, 19c1 Bolshaya Pirogovskaya Ulitsa, Moscow 119146, Russia

来源：

HEART AND VESSELS | 2022年 / 37卷 / 01期

关键词：

Computed tomography angiography; Maximum principal strain; Echocardiography; Global longitudinal strain; Observer variation; CARDIAC CHAMBER QUANTIFICATION; HEART-FAILURE; QUANTITATIVE-ANALYSIS; EUROPEAN ASSOCIATION; COMPUTED-TOMOGRAPHY; EJECTION FRACTION; AMERICAN SOCIETY; TASK-FORCE; RECOMMENDATIONS; CARDIOLOGY;

D O I：

10.1007/s00380-021-01901-3

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

Computed tomography (CT)-derived three-dimensional maximum principal strain (MP-strain) can provide incremental value to coronary CT angiography for cardiac dysfunction assessment with high diagnostic performance in patients with myocardial infarction. Global longitudinal strain (GLS) measured using two-dimensional speckle tracking echocardiography (2D-STE) is more sensitive than left ventricular ejection fraction (LVEF) for detecting early myocardial dysfunction. We aimed to compare CT-derived MP-strain with each of 2D-STE-derived strains (i.e., longitudinal, circumferential, and radial strains), and identify the major determinants of CT-derived MP-strain among 2D-STE-derived strains. We studied 51 patients who underwent cardiac CT and echocardiography. CT images were reconstructed at every 5% (0-95%) of the RR interval. A dedicated workstation was used to analyze CT-derived MP-strain on the 16-segment model. We calculated CT-derived global MP-strain with all the 16 segments on a per patient basis. Pearson's test was used to assess correlations between CT-derived MP-strain and STE-strain at global and segmental levels. The intra-class correlation coefficient for interobserver agreement for CT-derived global MP-strain was 0.98 (95% confidence interval 0.96-0.99). The low-CT-derived global MP-strain group (<= 0.43) had more patients with LV dysfunction than the high-CT-derived global MP-strain group (> 0.43). CT-derived global MP-strain was associated with STE-GLS (r = 0.738, P < 0.001), global circumferential strain (r = 0.646, P < 0.001), and global radial strain (r = 0.432, P = 0.001). In multivariate analysis, STE-GLS had the strongest association to CT-derived global MP-strain among three directional STE-strains and LVEF by echocardiography (standardized coefficient = - 0.527, P < 0.001). STE-GLS is a major determinant of CT-derived global MP-strain. CT-derived MP-strain may enhance the value of coronary CT angiography by adding functional information to CT-derived LVEF.

引用

页码：31 / 39

页数：9

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