Nuclear medicine communications · 2019
Effect of nasogastric tube on salivagram result in paediatric patients.
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Wu Ha, Zhao Xiaofei, Ting Kung Boom, Sing Ng Kwok
Аннотация
OBJECTIVE: The aim of this study was to analyse the potential effect of indwelling nasogastric tubes (NGTs) on the positive rate of pulmonary aspiration in the salivagram of paediatric patients.
METHODS: This retrospective study evaluated 290 children suffering from respiratory tract infection with clinical suspicion of pulmonary aspiration (104 cases with NGT and 186 cases without NGT). Among them, 216 had good past health, while 74 had history of oropharyngeal diseases or brain injuries. Tc-DTPA salivagrams were performed to determine whether the risk of pulmonary aspiration was different between patients with and without NGT.
RESULTS: The positive rates of aspiration in salivagram were 32.3% (60/186) and 29.8% (31/104) in the patients without and with NGT, respectively. The positive rates of the two groups had not statistically significant difference [risk ratio (RR) = 0.924; 95% confidence interval (CI): 0.644-1.326; P = 0.666]. Subgroup analyses showed that the patients with good past health had the positive rates of 24.4% (19/78) with NGT and 25.4 % (35/138) without NGT. The two groups had no statistically significant difference (RR = 0.960; 95% CI: 0.592-1.559; P = 0.870). For the patients with underlying diseases, the positive rates were 46.2% (12/26) with NGT and 52.1% (25/48) without NGT. These two groups also demonstrated no statistically significant difference (RR = 0.886; 95% CI: 0.540-1.455; P = 0.626).
CONCLUSION: The positive rate of pulmonary aspiration was relatively high in patients with respiratory tract infection who have underlying diseases but NGT feeding did not affect salivagram accuracy.
METHODS: This retrospective study evaluated 290 children suffering from respiratory tract infection with clinical suspicion of pulmonary aspiration (104 cases with NGT and 186 cases without NGT). Among them, 216 had good past health, while 74 had history of oropharyngeal diseases or brain injuries. Tc-DTPA salivagrams were performed to determine whether the risk of pulmonary aspiration was different between patients with and without NGT.
RESULTS: The positive rates of aspiration in salivagram were 32.3% (60/186) and 29.8% (31/104) in the patients without and with NGT, respectively. The positive rates of the two groups had not statistically significant difference [risk ratio (RR) = 0.924; 95% confidence interval (CI): 0.644-1.326; P = 0.666]. Subgroup analyses showed that the patients with good past health had the positive rates of 24.4% (19/78) with NGT and 25.4 % (35/138) without NGT. The two groups had no statistically significant difference (RR = 0.960; 95% CI: 0.592-1.559; P = 0.870). For the patients with underlying diseases, the positive rates were 46.2% (12/26) with NGT and 52.1% (25/48) without NGT. These two groups also demonstrated no statistically significant difference (RR = 0.886; 95% CI: 0.540-1.455; P = 0.626).
CONCLUSION: The positive rate of pulmonary aspiration was relatively high in patients with respiratory tract infection who have underlying diseases but NGT feeding did not affect salivagram accuracy.