A clinical study of left atrial function in maintenance hemodialysis patiens with different left ventricular configurations by velocity vector imaging

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A clinical study of left atrial function in maintenance hemodialysis patiens with different left ventricular configurations by velocity vector imaging

更新时间：2023-10-11

- A clinical study of left atrial function in maintenance hemodialysis patiens with different left ventricular configurations by velocity vector imaging
- Journal of Clinical Ultrasound in Medicine Vol. 23, Issue 8, (2021)
- 作者机构：
  
  西南医科大学附属医院超声医学科
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2021，
  
  Published Online：26 August 2021，
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A clinical study of left atrial function in maintenance hemodialysis patiens with different left ventricular configurations by velocity vector imaging. [J]. Journal of Clinical Ultrasound in Medicine 23(8).(2021)
DOI：

A clinical study of left atrial function in maintenance hemodialysis patiens with different left ventricular configurations by velocity vector imaging. [J]. Journal of Clinical Ultrasound in Medicine 23(8).(2021) DOI：

摘要

目的运用速度向量成像技术(VVI)分析不同左室构型的维持性血液透析（MHD）患者的左心房功能。方法分析117名MHD患者和30名正常人的心尖四腔心切面图像，获得左房整体收缩峰值应变（Ss）及峰值应变率（SRs），舒张早期峰值应变(Se)及峰值应变率(SRe)，舒张晚期峰值应变(Sa)及峰值应变率(SRa)。结果与对照组比较，病例组的Ss、SRs、Se、SRe均减小（均P＜0.05），正常构型组的Sa、SRa均增大（均P＜0.05），向心性肥厚组、离心性肥厚组的Sa、SRa均减小（均P＜0.05）；与正常构型组、向心性重构组比较，向心性肥厚组、离心性肥厚组的Ss、SRs、Se、SRe、Sa、SRa均明显降低（均P＜0.05）。MHD患者左房应变及应变率参数Ss、SRs、Se、SRe、Sa、SRa与E/e呈负相关（均P＜0.01）。结论 MHD患者左心房功能减退，VVI技术可以简便、快捷、准确地评价MHD患者左心房功能变化，为早期实施临床干预提供客观依据。

Abstract

Objective To analyze the function of left atrium in maintenance hemodialysis(MHD) patiens with different left ventricular configurations by velocity vector imaging(VVI).Methods The apical four-chamber images of 117MHDpatients and 30 normal subjects were analyzed to obtain the overall left atrial peak systolic strain(Ss) and peak strain rate(SRs)

early diastolic peak strain (Se) and peak strain rate (SRe)

late diastolic peak strain (Sa) and peak strain rate(SRa).Results Compared with the control group

SRs

Se and SRe were reduced in the case group (all P < 0.05)

Sa and SRa were increased in the normal configuration group (all P < 0.05)

and Sa and SRa were reduced in the centripetal hypertrophy group and eccentric hypertrophy groups (all P < 0.05).Compared with the normal configuration group and the centrality reconstruction group

the Ss

SRs

SRe

Sa and SRa of centripetal hypertrophy group and eccentric hypertrophy group were significantly reduced (all P < 0.05).Left atrial strain and strain rate parameters Ss

SRs

SRe

SRa were negatively correlated with E/ e (all P < 0.01).Conclusions Left atrium dysfunction in MHD patients

VVI technology can easily

quickly and accurately evaluate the changes of left atrial function in MHD patients

providing an objective basis for early clinical intervention.

关键词

速度向量成像技术左心房维持性血液透析左心室构型慢性肾病

Keywords

Velocity Vector ImagingLeft atrialMaintenance hemodialysisLeft ventricular configurationChronic kidney disease

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