供应商在2D光跟踪全球纵向应变中的差异:对10年标准化工作的更新
Anca Balinisteanu1,2, Jürgen Duchenne1,3,4, Alexis Puvrez1
1Department of Cardiovascular Sciences, KU Leuven, Herestraat 49, 3000 Leuven, Belgium.
European heart journal. Cardiovascular Imaging
|May 26, 2025
概括
全球纵向应变 (GLS) 测量现在在各供应商之间比十年前更一致. 当代的半自动软件显示出最小的供应商间差异,改善了心声回声诊断的诊断.
科学领域:
- 心血管成像 - 心血管成像
- 心声回声扫描 (Echocardiography) 是一种心声回声扫描.
- 应变分析 应变分析
背景情况:
- 全球纵向应变 (GLS) 测量的供应商间变异性一直是心声回声学中的一个挑战.
- 评估GLS的一致性对于可靠的临床应用和诊断至关重要.
研究的目的:
- 评估全球纵向应变 (GLS) 测量的当前供应商间差异.
- 将GLS测量的当前一致性与10年前的数据进行比较.
主要方法:
- 通过六家制造商的超声波系统,分析了62名受试者的372个心声回声检查.
- 全球纵向应变 (GLS) 用特定供应商和供应商无关的软件解决方案进行测量.
- 对GLS测量进行了测试复试可重复性评估.
主要成果:
- 当代半自动临床软件在GLS测量中显示出最小的供应商间差异 (平均最大偏差为0.6%的菌株单位).
- 使用当代软件,GLS的最小可检测变化为2.5% (内心) 和2.4% (中/全壁).
- 对GLS的试验-重试变异性与LV喷射分数 (6.6%与6.5%) 相似.
结论:
- 与十年前相比,全球纵向应变 (GLS) 测量在各供应商的一致性显著改善.
- 中/全壁应变分析现已广泛应用于当代心声回声软件中.
- 改进的一致性提高了GLS在临床决策中的可靠性.
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