Objective The purpose of this study is to determine the accuracy of gaslroesophageal reflux scinligraphy and salivagram in the diagnosis pedialric aspiralion. Methods Tolally 140 pedialric palienls ( age belween 3 weeks and 18 years, average age: 3.4 years; 61 males, 79 females) received gaslroesophageal reflux scinligraphy and salivagram simultaneously. The two scans were relrospeclively analyzed and compared. Results In 1.4% of the palienls ( 2 of 140) , gaslroesophageal reflux scinligraphy displayed pulmonary aspiralion. In 22. 1% of the palienls ( 31 of 140) , salivagram displayed pulmonary aspiralion. Two palienls with positive gaslroesophageal reflux scinligraphy also showed positive salivagram. Conclusion Salivagram is beller than gaslroesophageal reflux scinligraphy in the diagnosis of pedialric aspiralion. Therefore, salivagram should be performed in order lo exclude pulmonary aspiralion. A further investigation with larger patient number is necessary to assess the validity of our findings.%目的 比较胃食管反流显像和唾液吸入显像在诊断儿童肺吸入方面的价值.方法 140名儿童患者[(年龄在3周～18岁,平均年龄(3.4±2.1)岁,其中男孩61例,女孩79例]同时行胃食管反流显像和肺吸入显像.回顾性分析并比较这两种显像的诊断结果.结果 胃食管反流显像显示1.4%(2/140)的患儿有肺吸入胃食管反流物;而唾液吸入显像显示22.1%(31/140)的患儿有肺吸入唾液,且胃食管反流显像阳性的2名患儿的唾液吸入显像也呈阳性表现.结论 在诊断肺吸入方面,唾液吸入显像的价值大于胃食管反流显像.因此如欲明确是否有肺吸入存在,则应首先行唾液吸入显像.
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