title: [Rapid location of nasointestinal tube by bedside ultrasound for critical patients in emergency intensive care unit].
abstract: OBJECTIVE
  To evaluate the feasibility of method of bedside ultrasound to confirm correct nasointestinal tube placement of critical patients.
  
  
  METHODS
  From June 2015 to February 2016 , a total of 70 patients admitted to Emergency Intensive Care Unit, Zhejiang Provincial People's Hospital, 37 males and 33 females, using bedside ultrasound(vessels signe) to confirm the location of nasointestinal tube at different site of digestive tract, and then comparing with the traditional methods, the point-of-care systems.
  
  
  RESULTS
  Auscultatory method and aspirates from tube method have lower sensitivity(78.6%, 72.7%) and specificity (25.0%, 75.0%) ; bedside ultrasound(vessels signe) method sensitivity (100%), accuracy (100%) , positive predictive value(100%), negative predictive value(100%) and precision ratio are all higher than auscultatory method and aspirates from tube method, the difference was statistically significant(P<0.05).
  
  
  CONCLUSIONS
  The bedside ultrasound vessels signe method has more advantages in confirming the location of the tubes at sensitivity , accuracy , specificity and positive predictive value than the traditional methods.
authors.affiliation: Emergency Intensive Care Unit, Zhejiang Provincial People's Hospital, Hangzhou 310014, China.
authors.forename: M Q
authors.initials: MQ
authors.lastname: Zhang
authors.forename: H
authors.initials: H
authors.lastname: Chen
authors.forename: K
authors.initials: K
authors.lastname: Zhang
authors.forename: Y
authors.initials: Y
authors.lastname: Shen
authors.forename: G
authors.initials: G
authors.lastname: Li
authors.forename: N N
authors.initials: NN
authors.lastname: Han
authors.forename: S Q
authors.initials: SQ
authors.lastname: Li
authors.forename: Q R
authors.initials: QR
authors.lastname: Xu
mesh_terms: D005260:Female; D006801:Humans; D007362:Intensive Care Units; D008297:Male; D019095:Point-of-Care Systems; D014463:Ultrasonography