关联规则方法分析小儿病毒性肺炎热与痰相关病机

目的研究关联规则方法在小儿病毒性肺炎热、痰的中医学病机病理学中的应用。方法运用关联规则方法观察297例小儿呼吸道合胞病毒（respiratory syncytial virus，RSV）肺炎治疗前后热与痰相关症状体征关联的动态变化，分析认识其病机演变情况。结果发现热与痰病机病理在本病中普遍并存，在热与痰的关联中，由热影响到痰比由痰影响到热的可能性大。在药物干预下，由痰致热的可能性逐日降低而由热致痰可能性随时间变化不明显。结论小儿病毒性肺炎发病机制中热与痰密切关联，药物干预能减低由痰致热的病理演变，而对由热致痰的影响不明显。

英文摘要:

ObjectiveTo study the application of association rules in Chinese medical pathogeneses and pathologies of heat and phlegm in infantile viral pneumonia. MethodsAssociation rules were applied to analyze dynamic changes of heat and phlegm correlated symptoms and signs in 297 infants with respiratory syncytial virus （RSV） pneumonia， thus understanding its evolution or pathogenesis. ResultsHeat and phlegm co exist in infantile viral pneumonia. In their relationship， heat was more likely to affect phlegm， but phlegm was less likely to affect heat. Under the intervention of drugs， the possibility of heat induced by phlegm was gradually reduced. But the possibility of phlegm induced by heat was not obvious as time went by. ConclusionsHeat and phlegm have a close relationship in the pathogenesis of infantile viral pneumonia. The intervention of drugs could reduce the pathologic evolution of phlegm causing heat. However， it has little effect on the pathologic evolution of heat causing phlegm.

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