Tips for Obtaining Optimum Viewing Conditions Using NBI

  • Manabu Muto
  • Kenshi Yao
  • Yasushi Sano


Before examining the pharynx and larynx, the procedure should be explained thoroughly to the patient. In particular, insertion of the endoscope into the pharynx triggers the gag reflex, so it is important to relieve the patient’s anxiety to prevent or minimize the gag reflex.


Anal Canal Piriform Sinus Mosapride Citrate Picosulfate Sodium Pharyngeal Anesthesia 
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Copyright information

© Springer Japan 2015

Authors and Affiliations

  1. 1.Department of Therapeutic OncologyKyoto University Graduate School of MedicineKyotoJapan
  2. 2.Department of EndoscopyFukuoka University Chikushi HospitalChikushinoJapan
  3. 3.Gastrointestinal Center, Sano HospitalKobeJapan

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