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Participation by experienced endoscopy nurses increases the detection rate of colon polyps during a screening colonoscopy: a multicenter, prospective, randomized study

Title
Participation by experienced endoscopy nurses increases the detection rate of colon polyps during a screening colonoscopy: a multicenter, prospective, randomized study
Author
은창수
Keywords
ADENOMA DETECTION RATES; CONTROLLED-TRIAL; WHITE-LIGHT; NARROW-BAND; MISS RATES; FLEXIBLE SIGMOIDOSCOPY; WITHDRAWAL TECHNIQUE; QUALITY INDICATORS; TRAINING-PROGRAM; CHROMOSCOPY
Issue Date
2011-11
Publisher
MOSBY-Elsevier
Citation
Gastrointestinal Endoscopy, Vol.74, No.5, 1094-1102
Abstract
Background: No reported prospective, randomized study has evaluated the impact of an endoscopy nurse participating as a second observer during colonoscopy.Objective: To determine whether the participation of an endoscopy nurse enhanced the polyp detection rate (PDR) and adenoma detection rate (ADR) during screening colonoscopy.Design: Multicenter, prospective, randomized study.Setting: Academic hospitals.Patients: A total of 844 consecutive patients undergoing screening colonoscopy.Interventions: Single observation by colonoscopist or dual observation by colonoscopist and endoscopy nurse during colonoscope withdrawal.Main Outcome Measurements: PDR and ADR.Results: No significant difference in patient demographic data, adequacy of bowel preparation, or mean withdrawal time was observed between the 2 groups. In total, 1153 polyps, including 762 adenomas, were detected in 791 patients. Seven nonpolypoid, depressed neoplastic lesions (0-IIc or combined types) were only detected in the dual observation group. A multivariate analysis revealed that experienced (>= 2 years) endoscopy nurse participation significantly increased the PDR and ADR compared with those in the single observation group by a colonoscopist alone (adjusted odds ratio [OR] 1.58 [95% CI, 1.07-2.32]; adjusted OR 1.47 [95% CI, 1.01-2.12], respectively). Additionally, the PDR was significantly higher in the dual-observation group with fellows (<500 colonoscopies) and an experienced endoscopy nurse versus that in the single observation group (adjusted OR 2.07 [95% CI, 1.15-3.74]). There was no significant benefit of experienced nurse participation in the subgroup with experienced colonoscopists.Limitations: Absence of colonoscopist blinding.Conclusions: Experienced endoscopy nurse participation increased the PDR and ADR during screening colonoscopy. However, the benefit of participation by experienced nurses appears to be exclusively with inexperienced colonoscopists. (Clinical trial registration number: NCT01124266.) (Gastrointest Endosc 2011;74:1094-102.)
URI
http://www.sciencedirect.com/science/article/pii/S0016510711019158?_rdoc=1&_fmt=high&_origin=gateway&_docanchor=&md5=b8429449ccfc9c30159a5f9aeaa92ffbhttp://hdl.handle.net/20.500.11754/66299
ISSN
0016-5107; 1097-6779
DOI
10.1016/j.gie.2011.06.033
Appears in Collections:
COLLEGE OF MEDICINE[S](의과대학) > MEDICINE(의학과) > Articles
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