概括
这项研究为儿童和青少年建立了正常的心声回声学参考范围. 关键的心脏测量与身体表面积相关,但喷射分数和分数缩短在生长过程中保持不变.
科学领域:
- 儿童心脏病学 儿童心脏病学
- 心声回声扫描 (Echocardiography) 是一种心声回声扫描.
- 增长和发展 增长和发展
背景情况:
- 确定正常的心声回声图值对于诊断儿科心脏病至关重要.
- 增长和身体尺寸显著影响心脏尺寸.
研究的目的:
- 在健康的儿科人口中定义正常的心声回声测量.
- 为了研究心脏参数和身体表面积之间的关系.
主要方法:
- 对105名健康受试者进行了心声测量,年龄在1天到23岁之间.
- 参数包括左心室尺寸,壁厚度,大动脉根,左心房尺寸,中心E-F斜率,射出分数,分数缩短和心室质量.
- 使用线性回归分析将测量结果与身体表面积函数相关联.
主要成果:
- 左心室和心房的尺寸,大动脉根和心交E-F斜率与身体表面积的立方根线性相关.
- 心室隔膜和自由壁厚度与身体表面积的平方根线性相关.
- 估计的左心室质量与身体表面积线性相关.
- 射出分数,分数缩短和百分比的缩是独立于身体表面积的.
结论:
- 正常的心声回声学参数在儿童和青少年时期显示出与身体表面积的明显关系.
- 尽管心脏大小随着增长而增加,但心室功能指数保持稳定.
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