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Application value of two-dimensional speckle tracking imaging technique in the assessment of left ventricular myocardial systolic function in neonatal hyperbilirubinemia
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- Author:
- No author available
- Journal Title:
- Military Medical Journal of Southeast China
- Issue:
- 3
- DOI:
- 10.3969/j.issn.1672-271X.2023.03.008
- Key Word:
- 新生儿;高胆红素血症;左心室;心肌收缩功能;二维斑点追踪显像;newborn;hyperbilirubinemia;left ventricle;myocardial contractile function;two-dimensional speckle tracking imaging
Abstract： 目的 探讨新生儿高胆红素血症左心室心肌收缩功能评估中二维斑点追踪显像技术的应用价值.方法 选择吉林大学第一医院2020年8月至2021年12月收治的112例高胆红素血症儿为患儿组;同期抽取医院健康出生的120例足月新生儿为健康组.2组均以超声实施左心室功能检查,统计分析超声心动图与二维斑点追踪成像指标在不同组间的差异,以评价二维斑点追踪显像技术的应用优势.结果 患儿组左心室流出道最大流速为(0.60±0.08)m/s,明显高于健康组(0.51±0.05)m/s(t=10.348,P=0.001).患儿组左心室间隔三层心肌,室前壁与下壁的外膜下心肌、中层心肌的纵向峰值应变率与健康组比较差异均有统计学意义(P＜0.05);患儿组心尖段外膜下心肌,中间段与基底段的外膜下心肌、中层心肌的纵向峰值应变率与健康组比较均有统计学意义(P＜0.05).患儿组治疗后心尖段与基底段外膜下心肌应变率分别为(-15.81± 2.65)％、(-8.81±1.65)％,均小于治疗前(-14.93±2.72)％、(-8.03±1.86)％(t=2.452、3.320,P=0.015、0.001).结论 二维斑点追踪显像技术能够更为准确、灵敏地量化评价高胆红素血症患儿左心室心肌不同分层、不同室壁、不同节段的纵向应变指标差异,值得临床选择.
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