Evaluation of the left ventricular myocardial function in preterm infants with neonatal respiratory distresssyndrome by two-dimensional speckle tracking imaging

PANG Hong; JIANG Lan; LIAO Jianyi; CHEN Zhiyi

doi:10.16245/j.cnki.issn1008-6978.2021.02.007

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Evaluation of the left ventricular myocardial function in preterm infants with neonatal respiratory distresssyndrome by two-dimensional speckle tracking imaging

更新时间：2021-10-08

- Evaluation of the left ventricular myocardial function in preterm infants with neonatal respiratory distresssyndrome by two-dimensional speckle tracking imaging
- Journal of Clinical Ultrasound in Medicine Vol. 23, Issue 2, Pages: 96-100(2021)
- 作者机构：
  
  广州医科大学附属第三医院超声医学科
- 作者简介：
- 基金信息：
- DOI：10.16245/j.cnki.issn1008-6978.2021.02.007
  CLC： R722.6;R445.1
- Published：2021，
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[1]庞虹,江岚,廖剑艺,陈智毅.二维斑点追踪技术评估呼吸窘迫综合征早产儿左室心肌功能[J].临床超声医学杂志,2021,23(02):96-100.

PANG Hong, JIANG Lan, LIAO Jianyi, et al. Evaluation of the left ventricular myocardial function in preterm infants with neonatal respiratory distresssyndrome by two-dimensional speckle tracking imaging. [J]. Journal of Clinical Ultrasound in Medicine 23(2):96-100(2021)
[1]庞虹,江岚,廖剑艺,陈智毅.二维斑点追踪技术评估呼吸窘迫综合征早产儿左室心肌功能[J].临床超声医学杂志,2021,23(02):96-100. DOI： 10.16245/j.cnki.issn1008-6978.2021.02.007.

PANG Hong, JIANG Lan, LIAO Jianyi, et al. Evaluation of the left ventricular myocardial function in preterm infants with neonatal respiratory distresssyndrome by two-dimensional speckle tracking imaging. [J]. Journal of Clinical Ultrasound in Medicine 23(2):96-100(2021) DOI： 10.16245/j.cnki.issn1008-6978.2021.02.007.

摘要

目的应用二维斑点追踪（2D-STI）技术评估呼吸窘迫综合征（NRDS）早产儿左室心肌功能。方法选取在我院出生的新生儿41例

其中NRDS早产儿20例（NRDS早产组）

非NRDS早产儿10例（非NRDS早产组）

足月正常新生儿11例（足月对照组）。应用2D-STI技术获取各组不同切面左室整体纵向峰值应变（LV-GLPS）及各室壁应变测值;并收集左室常规超声参数

包括左室射血分数（LVEF）、二尖瓣舒张早期和晚期血流速度峰值（MV-E和MV-A）、二尖瓣环收缩期组织运动速度（MV-S’）、二尖瓣环收缩期位移（MAPSE）和左室Tei指数

并对各组上述参数进行比较分析。结果各组MV-S’、MAPSE、左室Tei指数比较差异均有统计学意义（均P<0.05）。NRDS早产组MV-S’减低、MAPSE减低

左室Tei指数增高

与非NRDS早产组和足月对照组比较差异均有统计学意义（均P<0.05）。各组左室纵向峰值应变（除心尖四腔心切面LV-GLPS和后壁应变外）及组间比较差异均有统计学意义（均P<0.05）;NRDS早产组除四腔心切面LV-GLPS、下壁、后壁应变外

左室纵向峰值应变均较非NRDS早产组和足月对照组减低

差异均有统计学意义（均P<0.05）;非NRDS早产组与足月对照组除下壁应变比较差异有统计学意义外

余应变参数比较差异均无统计学意义。结论 2D-STI技术可早期发现NRDS早产儿左室心肌受损情况;NRDS早产儿左室心肌功能较非NRDS早产儿及正常新生儿减低。

Abstract

Objective To evaluate left ventricular myocardial function in neonatal respiratory distress syndrome（NRDS） by two-dimensional speckle tracking imaging（2 D-STI）.Methods Forty-one newborns were selected in our hospital

including 20 NRDS premature infants（NRDS premature group）

10 cases of non-NRDS premature infants（non-NRDS premature group）

and 11 cases of full-term normal newborns（full-term control group）.2 D-STI were used to obtain the global longitudinal peak strain（LV-GLPS） and wall strain measurements of the left ventricle in the three groups.Left ventricular ejection fraction（LVEF）

peak values of early and late diastolic blood flow velocity of mitral valve（MV-E

MV-A） and tissue velocity of mitral annulus during systole（MV-S’）

mitral annular plane systolic excusion（M APSE） and left ventricular Tei index of the three group were collected and compared.Results MV-S’

MAPSE and left ventricular Tei index were significant difference among three groups（all P<0.05）.Compared with non-NRDS premature group and full-term control group

MV-S’ and MAPSE were decreased and left ventricular Tei index was increased in NRDS premature group

the differences were statistically significant（all P<0.05）.Except LV-GLPS-A4 C and posterior wall

the longitudinal peak strain of left ventricle in each group were significant difference

the differences were statistically significant（all P<0.05）.Except LV-GLPS-A4 C

inferior wall and posterior wall strain

the longitudinal peak strain of left ventricle in NRDS premature group were lower than that in non-NRDS premature group and full-term control group

the differences were statistically significant（all P<0.05）.Except inferior wall strain in non-NRDS premature group and full-term control group

there was no significant difference of rest strain parameters between the two groups.Conclusion 2.D-STI technology can early detect the left ventricular myocardial damage of premature infants with ARDS.The left ventricular myocardial function of premature infants with NRDS is lower than that of non-NRDS and normal neonates.

关键词

超声心动描记术斑点追踪新生儿呼吸窘迫综合征早产儿心功能左

Keywords

EchocardiographySpeckle trackingNeonatal respiratory distress syndromePreterm infantCardiac functionleft

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