中度至重度间歇性喘息患儿症状和体征先于喘息出现
2009/05/22
目的:在有中-重度喘息发作史的学龄前儿童中检测父母讲述的症状和体征是否先于喘息出现,并研究这些症状和体征对喘息发作的预测作用。
研究设计:12~59个月大、有中度至重度间歇性喘息发作的儿童父母共计238人入选该项为期1年的临床研究。通过完成问卷调查表收集呼吸道疾病(RTI)开始的症状和体征。计算RTI过程中导致喘息的每个症状的敏感性、特异性、阴性预测值和阳性预测值(PPV)。
结果:RTI最为常见的初发症状是鼻部症状(41%)、重度咳嗽(29)和轻度咳嗽(13%)。对随后喘息预测性最好的指标是重度咳嗽,其特异性为78%,阳性预测值为74%。
结论:RTI过程中出现重度咳嗽是喘息较为可靠的预测指标。这在掌握个性化发病模式时较为有用,并且对症状进行针对性处理能有效降低喘息的发作频率。
(林江涛审校)
Rivera-Spoljaric K, et al. J Pediatr. 2009 Mar 24. [Epub ahead of print]
Signs and Symptoms that Precede Wheezing in Children with a Pattern of Moderate-to-Severe Intermittent Wheezing.
OBJECTIVES: To examine parent-reported signs and symptoms as antecedents of wheezing in preschool children with previous moderate to severe wheezing episodes, and to determine the predictive capacity of these symptom patterns for wheezing events.
STUDY DESIGN: Parents (n = 238) of children age 12 to 59 months with moderate-to-severe intermittent wheezing enrolled in a year-long clinical trial completed surveys that captured signs and symptoms at the start of a respiratory tract illness (RTI). Sensitivity, specificity, negative predictive value, and positive predictive value (PPV) for each symptom leading to wheezing during that RTI were calculated.
RESULTS: The most commonly reported first symptom categories during the first RTI were "nose symptoms" (41%), "significant cough" (29%), and "insignificant cough" (13%). The most reliable predictor of subsequent wheezing was significant cough, which had a specificity of 78% and a PPV of 74% for predicting wheezing.
CONCLUSIONS: Significant cough is the most reliable antecedent of wheezing during an RTI. It may be useful to consider individualized symptom patterns as a component of management plans intended to minimize wheezing episodes.
8: Rivera-Spoljaric K, et al. J Pediatr. 2009 Mar 24. [Epub ahead of print]
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体重指数和儿童哮喘诊断的准确性
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与哮喘有关的炎症和重塑有关的生物标志物研究