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乳糖呼吸测试:优化测试性能,准确性和临床影响的可能策略
Giulia Scalese1, Alessandra Cesarini1, Lucia Pallotta1
1Gastroenterology Unit, Department of Translational and Precision Medicine, Sapienza University of Rome, 00185 Rome, Italy.
Nutrients
|October 26, 2024
概括
简化乳糖呼吸测试 (LBT) 可以改善患者的体验. 五个样本的LBT,每小时测量一次,为诊断乳糖吸收不良提供了可靠和准确的方法.
科学领域:
- 胃肠病学 胃肠病学
- 诊断医学 诊断医学
背景情况:
- 乳糖吸收不良 (LM) 是乳糖吸收不完全,导致乳糖不耐受 (LI) 的症状.
- 标准的乳糖呼吸测试 (LBT) 是广泛使用的,但耗时.
- 减少LBT持续时间或采样频率是理想的,而不会影响准确性.
研究的目的:
- 为了简化乳糖呼吸测试 (LBT) 方法.
- 评估缩短的LBT协议的准确性和效率.
- 保持诊断准确性,同时减少患者和工作人员的负担.
主要方法:
- 标准LBT与3小时的"缩短"测试 (30分钟间隔) 和4小时的"五样本"测试 (每小时间隔) 相比.
- 将患者分为轻度,中度和重度的吸收不良等级.
- 使用严重程度得分问卷评估LI的临床相关性.
主要成果:
- 在543名患者中,有60.4%的患者表现出乳糖吸收不良 (LM).
- 五个样本的测试实现了96.5%的准确性和94.2%的灵敏度,超过了缩短的测试.
- 五个样本测试中的假阴性主要与轻度吸收不良有关.
结论:
- 五样本LBT是一种可靠且简单的诊断选项.
- 在五个样本测试中每小时的呼吸测量保持高灵敏度.
- 这种简化的LBT可以减少测试时间和复杂性,而不会造成显著的准确性损失.
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