严重喘的特定通风评估与非对比的潮呼吸HMRI
Dante P I Capaldi1, Norman B Konyer1, Melanie Kjarsgaard1
1From the Department of Radiation Oncology, Division of Physics, University of California San Francisco, San Francisco, Calif (D.P.I.C.); Division of Respirology, Department of Medicine (A.D.G., P.N., S.S.), Imaging Research Centre (N.B.K., S.S.), and Firestone Institute for Respiratory Health (M.K., P.N., S.S.), St Joseph's Healthcare Hamilton, McMaster University, 50 Charlton Ave E, Hamilton, ON, Canada L8N 4A6; and Lakeshore General Hospital, Montreal Chest Institute, Meakins-Christie Laboratories, and Oscillometry Unit of the Centre for Innovative Medicine, McGill University Health Centre and Research Institute, and McGill University, Montreal, Canada (R.J.D.).
在重症喘患者的支气管扩展剂治疗后,质子MRI衍生的特定通风得到改善. 这种通风措施也与呼吸道炎症和功能障碍生物标志物相关,表明其临床相关性.
科学领域:
- 肺部医学 肺部医学
- 放射学 放射学是一门学科.
- 生物标志物 生物标志物
背景情况:
- 严重的喘管理需要对呼吸道功能进行客观测量.
- 2型呼吸道炎症是严重喘的一个关键因素.
- 质子 (1H) MRI提供了一种非侵入性方法来评估肺透气.
研究的目的:
- 为了评估质子 (1H) MRI衍生的特定通风是否对支气管扩展剂 (BD) 治疗有反应.
- 调查MRI衍生的特定通风与2型呼吸道炎症和严重喘中功能障碍的临床生物标志物之间的关联.
主要方法:
- 对27名严重喘患者和7名健康对照者的前性研究.
- 在BD治疗前后使用潮呼吸1HMRI,螺旋计和呼吸系统振荡计.
- 评估了2型气道炎症生物标志物 (血液中氨基酸蛋白,唾液中氨基酸蛋白,FeNO),以创建累积得分.
主要成果:
- 平均MRI特定通风显著改善了BD后治疗 (P < .001).
- 在2型低喘患者中,BD后的通风和其变化在2型高喘患者中比2型低喘患者更大.
- 核磁共振特异性通风的变化与FEV1,R5,R19,X5和AX.的变化相关.
结论:
- 潮呼吸1小时MRI衍生的特定通风对严重喘的支气管扩展剂治疗有反应.
- 这种MRI测量与已确定的呼吸道炎症和功能障碍的临床生物标志物有关.
- 1HMRI显示出作为评估严重喘治疗反应和疾病特征的工具的潜力.
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