Longitudinal strain and strain rate by two-dimensional speckle tracking in non-sedated healthy cats

被引：7
作者：
Silva, A. C. [1 ]
Muzzi, R. A. L. [1 ]
Oberlender, G. [2 ]
Nogueira, R. B. [1 ]
Muzzi, L. A. L. [1 ]
Reis, G. F. M. [1 ]
Mantovani, M. M. [1 ]
机构：
[1] Univ Fed Lavras, Dept Vet Med, Sect Vet Cardiol, Div Small Anim Med, Lavras, MG, Brazil
[2] Univ Fed Lavras, Dept Vet Med, Div Physiol & Pharmacol, Lavras, MG, Brazil
来源：
RESEARCH IN VETERINARY SCIENCE | 2013年 / 95卷 / 03期
关键词：
Cardiomyopathy; Echocardiography; Felines; Myocardial function; TISSUE DOPPLER; RADIAL STRAIN; MYOCARDIAL DYSFUNCTION; HEART-RATE; ECHOCARDIOGRAPHY; HORSES; DISPLACEMENT; DYSSYNCHRONY; DOG;
D O I：
10.1016/j.rvsc.2013.07.020
中图分类号：
S85 [动物医学（兽医学）];
学科分类号：
0906 ;
摘要：
Two dimensional speckle tracking (2D-ST) is a relatively new tool that has been used in veterinary medicine to quantify myocardial function. However, there is little information about the use of this tool in healthy cats. Thus, the aim of this study was to evaluate left ventricular longitudinal strain and strain rate in non-sedated healthy cats, as well as longitudinal velocity and displacement, by means of 2D-ST echocardiography. Thirty non-sedated healthy cats were examined and 2D images were obtained for 2D-ST analyzes. The global mean strain and strain rate was -15.65 +/- 5.46% and -1.80 +/- 0.59 s(-1), respectively. Velocity and displacement were 1.41 +/- 0.87 cm/s and 1.27 +/- 0.80 mm, respectively. Thus, 2D-ST demonstrated to be feasible for measuring left ventricular longitudinal strain, strain rate, velocity and displacement in cats and preliminary reference values for non-sedated healthy cats can be established from the results of this study. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1175 / 1180
页数：6
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