title: [Effectiveness and tolerance of duodenoscopic bowel preparation for colonoscopy].
abstract: OBJECTIVE
  Bowel preparation for colonoscopy remains an unpleasant experience because oral solutions have unpleasant tastes and may provoke abdominal pain, nausea, vomiting, and sleep disturbance. Duodenoscopic bowel preparation is an alternative method for patients who are unwilling to take oral preparation solution or for those who are supposed to have both gastroscopic and colonoscopic examination on the same day. We assessed the effectiveness and tolerance of duodenoscopic bowel preparation.
  
  
  METHODS
  Patients in group OA (orally administered) ingested 45 mL of sodium phosphate (NaP) in the evening before the day of procedure and in the morning on the day of colonoscopy, whereas patients in group EA (endoscopically administered) were prepared for the procedure by duodenoscopic infusion of 90 mL of NaP diluted with 180 mL of water into the second portion of the duodenum. After 4 hours, we assessed the overall quality of colonic cleansing, using a range of excellent to inadequate. The patients completed a questionnaire on their preparation-associated symptoms, tolerance, and preference.
  
  
  RESULTS
  In group EA, sleep disturbance (p0.05) and nausea (p0.05) occurred less frequently than in group OA. Overall, the tolerance rating for preparation was higher in group EA. However, the quality of colonic cleansing and cecum intubation time was not different between the two groups. Patients in group EA who had ingested NaP in the past preferred duodenoscopic bowel preparation.
  
  
  CONCLUSIONS
  Duodenoscopic bowel preparation may play a role in colonic cleansing especially for patients who are scheduled to undergo gastroscopic and colonoscopic examination on the same day and for those who are unwilling to ingest NaP.
authors.affiliation: Department of Internal Medicine, Digestive Disease Center, Institute for Digestive Research, Soon Chun Hyang University College of Medicine, Seoul and Bucheon, Korea.
authors.forename: Ju Hee
authors.initials: JH
authors.lastname: Maeng
authors.forename: Bong Min
authors.initials: BM
authors.lastname: Ko
authors.forename: Moon Sung
authors.initials: MS
authors.lastname: Lee
authors.forename: Hyun Sik
authors.initials: HS
authors.lastname: Na
authors.forename: Hyo Joong
authors.initials: HJ
authors.lastname: Yoon
authors.forename: Sang Hun
authors.initials: SH
authors.lastname: Han
authors.forename: Sang Gyune
authors.initials: SG
authors.lastname: Kim
authors.forename: Su Jin
authors.initials: SJ
authors.lastname: Hong
authors.forename: Chang Beom
authors.initials: CB
authors.lastname: Ryu
authors.forename: Young Seok
authors.initials: YS
authors.lastname: Kim
authors.forename: Jong Ho
authors.initials: JH
authors.lastname: Moon
authors.forename: Jin Oh
authors.initials: JO
authors.lastname: Kim
authors.forename: Joo Young
authors.initials: JY
authors.lastname: Cho
authors.forename: Joon Seong
authors.initials: JS
authors.lastname: Lee
authors.forename: Chan Sup
authors.initials: CS
authors.lastname: Shim
authors.forename: Boo Sung
authors.initials: BS
authors.lastname: Kim
mesh_terms: D000284:Administration, Oral; D000328:Adult; D000368:Aged; D002400:Cathartics / Q000008:administration & dosage* / Q000009:adverse effects; D003113:Colonoscopy; D004384:Duodenoscopy; D005260:Female; D006801:Humans; D007089:Image Enhancement; D008297:Male; D008875:Middle Aged; D010710:Phosphates / Q000008:administration & dosage* / Q000009:adverse effects / Q000737:chemistry; D011795:Surveys and Questionnaires; D007507:Therapeutic Irrigation; D016896:Treatment Outcome
chemical_list: D002400:Cathartics; D010710:Phosphates; C018279:sodium phosphate