Ultrasonography in examining the position of gastric tube in patients undergoing gastrectomy / 中华全科医师杂志

ABSTRACT

Thirty patients with gastric cancer,ASA Ⅱ or Ⅲ,scheduled for selective radical gastrectomy under tracheal intubation general anesthesia in Zhejiang Provincial People's Hospital from November 2016 to February 2017 were enrolled in the study.The gastric tubes were placed by a nurse before operation.The position of gastric tube was judged under gastric ultrasonography by a sonographer and anesthesiologist respectively;and confirmed by the surgeon during the operation.With the position judged by the surgeon as gold standard,the sensitivity,specificity,positive predictive value,negative predictive value of the judgment of ultrasonographer were 96％,80％,96％,50％,respectively with the Kappa value 0.760 of (P ＜0.001),those of the judgment of anesthesiologist were 92％,40％,92％ and 60％,respectively with a Kappa value of 0.280 (P =0.125);those of the judgment of nurse were 92％,0％,100％ and 71.4％,with a Kappa value of-0.105 (P =0.513).The results suggest that ultrasound examination is a simple,reliable and sensitive method for confirming correct gastric tube placement.