颈部超声检查与pH计用于确认鼻胃管正确位置的比较
Comparison of neck ultrasonography with a pH meter to confirm correct position of nasogastric tube.
作者信息
Muslu Bunyamin, Demircioglu Rüveyda I, Gözdemir Muhammet, Usta Burhanettin
机构信息
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出版信息
Clin Invest Med. 2016 Dec 1;39(6):27520.
PURPOSE
The aim of this study was to compare pH meter and neck ultrasonograph for evaluation of nasogastric tube (NGT) position.
METHODS
A total of 35 adult patients who required NGT insertion were included. The NGT was inserted by an anesthetist after endotracheal intubation, and the transducer was placed transversely on the neck, just superior to the suprasternal notch. The passage of the NGT in the esophagus was evaluated by a sonographer, and the stomach was emptied by nasogastric suction. Secretion from inside the NGT was analyzed using a pH meter. The tip of the NGT was accepted as being in the stomach if the pH measured between 1 and 5. Neck ultrasonography was compared with the pH meter analysis for confirmation of NGT position.
RESULTS
Ultrasonography was highly sensitive (100% (95% CI 89.6-100%) and specific (97.2% (95% CI 85.4-99.5%) for evaluation of NGT position. The specificity for the pH meter was 100% (95% CI 16.6-100%), while the sensitivity was 76.5% (95% CI 58.8-89.2%).
CONCLUSIONS
This study showed that neck ultrasonography is more sensitive than the pH meter for confirmation of NGT position.
目的
本研究旨在比较pH计和颈部超声检查在评估鼻胃管（NGT）位置方面的效果。
方法
共纳入35例需要插入NGT的成年患者。在气管插管后由麻醉师插入NGT，将超声探头横向置于颈部，恰好在胸骨上切迹上方。由超声检查医师评估NGT在食管中的通过情况，并通过鼻胃吸引将胃排空。使用pH计分析NGT内的分泌物。如果测得的pH值在1至5之间，则认为NGT尖端位于胃内。将颈部超声检查与pH计分析进行比较，以确认NGT位置。
结果
超声检查对评估NGT位置具有高度敏感性（100%（95%CI 89.6 - 100%））和特异性（97.2%（95%CI 85.4 - 99.5%））。pH计的特异性为100%（95%CI 16.6 - 100%），而敏感性为76.5%（95%CI 58.8 - 89.2%）。
结论
本研究表明，在确认NGT位置方面，颈部超声检查比pH计更敏感。
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