title: Effect of three bowel preparations on video-capsule endoscopy gastric and small-bowel transit time and completeness of the examination.
abstract: OBJECTIVE
  Video capsule endoscopy fails to visualize the caecum in about 20% of patients. The aim of this study was to investigate the effect of different bowel preparations on video capsule endoscopy gastric- (GTT) and small-bowel transit time (SBTT) and the rate of caecal visualization.
  
  
  METHODS
  We retrospectively examined 186 consecutive capsule endoscopy videos undertaken over a 3-year period, excluding cases with diabetes mellitus or gastric surgery (n=28), cases with unknown bowel preparation and those with unreadable data CDs (n=27). Sixty-seven (36%) patients were prepared with a liquid diet (CL), 54 (29%) with sodium phosphate (PS) and 65 (35%) with polyethylene glycol (PEG). Two independent, experienced investigators examined the videos.
  
  
  RESULTS
  No difference was found in GTT among CL, PS and PEG preparations (25, 6.7-116.2 min, 34.75, 4.1-125 min, 35, 6.1-128.6 min, respectively, p=0.29). The caecum was visualized in 56/67 (83.6%), 44/54 (81.5%) and 53/65 (81.5%) patients who received CL, PS and PEG, respectively (p=0.9). In the cases where capsule endoscopy reached the caecum, no difference was observed in SBTT among patients that received CL, PS and PEG (264.4+/-85.9 min, 296.7+/-79.5 min, 291.3+/-84 min, respectively, p=0.11).
  
  
  CONCLUSIONS
  Bowel preparations for capsule endoscopy do not have a significant effect on gastric and small-bowel video capsule transit time and the rate of caecum visualization.
authors: Department of Gastroenterology, NIMTS Hospital, Athens, Greece.
authors: Chryssostomos
authors: C
authors: Kalantzis
authors: Konstantinos
authors: K
authors: Triantafyllou
authors: Angelos A
authors: AA
authors: Papadopoulos
authors: George
authors: G
authors: Alexandrakis
authors: Theodore
authors: T
authors: Rokkas
authors: Nikolaos
authors: N
authors: Kalantzis
authors: Spiros D
authors: SD
authors: Ladas
mesh_terms: D000328:Adult; D000368:Aged; D053704:Capsule Endoscopy / Q000592:standards*; D002400:Cathartics / Q000008:administration & dosage*; D015331:Cohort Studies; D004311:Double-Blind Method; D016099:Endoscopy, Gastrointestinal / Q000379:methods*; D004733:Enema / Q000379:methods / Q000592:standards; D005260:Female; D005772:Gastrointestinal Transit / Q000502:physiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D015588:Observer Variation; D010710:Phosphates / Q000008:administration & dosage; D011092:Polyethylene Glycols / Q000008:administration & dosage; D012189:Retrospective Studies; D013501:Surface-Active Agents / Q000008:administration & dosage
chemical_list: D002400:Cathartics; D010710:Phosphates; D013501:Surface-Active Agents; D011092:Polyethylene Glycols; C018279:sodium phosphate