稳定哮喘患者哮喘控制和生活质量的决定因素:评价两个新的咳嗽激发试验
2012/11/09
摘要
前言:哮喘控制和生活质量与传统的哮喘生物标记物的相关性较差。
目的:本研究对两个新的咳嗽激发试验在哮喘控制和生活质量方面进行评价。
方法:36名稳定期哮喘患者完成哮喘控制问卷调查和莱斯特咳嗽问卷调查。使用高张盐水和等二氧化碳过度通气进行咳嗽激发试验,同时进行肺活量检测、门诊监测呼气峰值流速(PEF)并检测呼出气一氧化碳(eNO)。
结果:莱斯特咳嗽问卷调查评分与对高张盐水和等二氧化碳过度通气的咳嗽反应性密切相关(分别为R = -0.66, P<0.001和R = -0.49, P= 0.002)。哮喘控制问卷调查评分也与上述试验的咳嗽反应性相关(分别为R = 0.52, p = 0.001和R = 0.43, p = 0.008)。FEV1(%预测值)、日间PEF变异和eNO与咳嗽相关生活质量无关,但与哮喘控制相关。莱斯特咳嗽问卷调查和哮喘控制问卷调查之间存在显著相关性(R = -0.54, P= 0.001)。
结论:哮喘控制和咳嗽相关生活质量与两个咳嗽激发试验中咳嗽反应性的相关性,强于前两者与eNO和传统支气管阻塞指标的相关性。咳嗽是哮喘控制较差的一个主要因素。
(陈欣 审校)
Clin Respir J.2012Jul 23. doi:10.1111/j.1752-699X.2012.00313.x. [Epub ahead of print]
Determinants of asthma control and quality of life in stable asthma: Evaluation of two new cough provocation tests.
Purokivi M, Koskela H, Kontra K.
Source
Center for Medicine and Clinical Research, Division of Respiratory Medicine, Kuopio University Hospital.
Abstract
INTRODUCTION: Asthma control and quality of life are poorly associated with traditional asthma biomarkers.
OBJECTIVES: In the present study we evaluated two new cough provocation tests in this respect.
METHODS: Asthma Control Questionnaire and Leicester Cough Questionnaire were completed by thirty-six stable asthmatics. Cough provocation tests with hypertonic saline and isocapnic hyperpnoea of dry air were performed, as well as spirometry, ambulatory peak expiratory flow (PEF) monitoring, and exhaled nitric oxide measurement (eNO).
RESULTS: Leicester Cough Questionnaire score correlated closely with cough responsiveness to hypertonic saline and isocapnic hyperpnoea (R = -0.66, p<0.001 and R = -0.49, p = 0.002, respectively). Asthma Control Questionnaire score also correlated with the cough responsiveness to these tests (R = 0.52, p = 0.001 and R = 0.43, p = 0.008, respectively). FEV (1) (%predicted), diurnal PEF variation and eNO did not correlate with cough-related quality of life but showed some association with asthma control. There was a significant correlation between Leicester Cough Questionnaire and Asthma Control Questionnaire (R = -0.54, p = 0.001).
CONCLUSIONS: Asthma control and cough-related quality of life are more closely associated with cough responsiveness to the investigated cough provocation tests than to eNO and traditional indices of bronchial obstruction. Cough is a major contributor to poor asthma control.
Clin Respir J.2012Jul 23. doi:10.1111/j.1752-699X.2012.00313.x. [Epub ahead of print]
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