Etiology analysis of nonspecific chronic cough in children of 5 years and younger


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Abstract

This study aims to analyze the etiology of nonspecific chronic cough in children of 5 years and younger, in order to improve the diagnostic and treatment levels of pediatricians for nonspecific chronic cough in young children.The clinical data of 85 cases of children of 5 years old and below, who suffered from nonspecific chronic cough between the period of January 2015 and August 2016 were retrospectively analyzed.The etiology distribution of 85 cases of children with nonspecific chronic cough were as follows: 27 cases had cough variant asthma (31.8%), 32 cases had upper airway cough syndrome (37.6%), 16 cases had cough after infection (18.8%), 3 cases had gastroesophageal reflux cough (3.5%), 2 cases had allergic cough (2.4%), and 5 cases had unknown causes of cough (5.9%).The main composition ratio of the etiology of chronic cough in children of 5 years old and below is as follows (in sequence): upper airway cough syndrome, cough variant asthma, and post infection cough.

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