儿童胃食管返流（GER）的研究表明，在许多儿童返流也进入鼻咽部，低pH胃内容接触上呼吸道粘膜，引起粘膜刺激和水肿。鼻咽或鼻窦粘膜水肿可导致咽鼓管或鼻窦口阻塞，继发中耳炎或鼻窦炎。GER的各种呼吸道表现有：呼吸暂停、喘鸣、喉痉挛、声嘶、慢性咳嗽、慢性鼻窦炎、喉... Gastroesophageal reflux (GER) studies in children have shown that reflux also enters the nasopharynx in many children and low pH gastric contents contact upper respiratory mucosa, causing mucosal irritation and edema. Nasopharyngeal or sinus mucosal edema can lead to eustachian tube or sinus obstruction, secondary to otitis media or sinusitis. GER’s various respiratory manifestations are: apnea, wheezing, laryngospasm, hoarseness, chronic cough, chronic sinusitis, throat ...