[运动挑战测试在儿童咳变体喘诊断中的价值]
Dong-Lin Zhuang1, Yong Feng1, Yun-Xiao Shang1
1Department of Pediatrics, Shengjing Hospital of China Medical University, Shenyang 110004, China.
运动挑战测试 (ECT) 有助于诊断儿童的咳变异性喘 (CVA). 在ECT后1秒内强迫呼气体积 (FEV1) 减少8.44%是对心血管梗塞诊断的最佳结果,特别是在运动引起的咳的儿童中.
科学领域:
- 儿科肺病学 儿科肺病学
- 呼吸系统医学 呼吸系统医学
- 诊断测试 诊断测试 诊断测试
背景情况:
- 慢性咳是儿童常见的抱怨,往往导致广泛的调查.
- 咳变异性喘 (CVA) 是儿童群体慢性咳的重要差异诊断.
- 准确及时诊断CVA对于有效管理和预防长期呼吸道并发症至关重要.
研究的目的:
- 评估运动挑战测试 (ECT) 的诊断效用,以确定慢性咳的儿童咳变异性喘 (CVA).
- 在诊断CVA时确定ECT参数的最佳切断值.
- 评估ECT在患有运动引起的慢性咳的儿童中的有效性.
主要方法:
- 一项前性研究涉及78名患有慢性咳的儿童接受ECT.
- 根据支气管扩展剂的反应,儿童被分为CVA和非CVA组.
- 临床特征,肺功能和ECT结果 (包括FEV1变化) 在两组之间进行了比较.
主要成果:
- 与非CVA组相比,CVA组显示出更高的男孩患病率,运动引起的咳,高分数呼出的氧化,以及ECT后FEV1的更大降低.
- 回归分析确定了运动引起的咳和FEV1的减少作为CVA的显著风险因素.
- 在ECT后的FEV1降低8.44%是CVA诊断的最佳切断点 (AUC0.751),在运动诱导咳的儿童中提高了敏感性 (77.1%) 和特异性 (77.8%).
结论:
- 运动挑战测试 (ECT) 在儿童慢性咳的病因诊断中显示出显著的临床价值,特别是CVA.
- 建议ECT后FEV1降低8.44%作为CVA的最佳诊断值.
- 在患有运动引起的慢性咳的儿童中,ECT特别有利于诊断心血管梗塞,提高了诊断准确度.
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