Participation by experienced endoscopy nurses increases the detection rate of colon polyps during a screening colonoscopy: a multicenter, prospective, randomized study - 26/10/11
Reprint requests: Dong Il Park, MD, PhD, Division of Gastroenterology, Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, 108, Pyung-dong, Jongro-Gu, Seoul, 110-746, KoreaRiassunto |
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.)
Il testo completo di questo articolo è disponibile in PDF.Abbreviations : ADR, HD, OR, PDR, SD
Mappa
| DISCLOSURE: The authors disclosed no financial relationships relevant to this publication. |
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| If you would like to chat with an author of this article, you may contact Dr. Park at diksmc.park@samsung.com. |
Vol 74 - N° 5
P. 1094-1102 - novembre 2011 Ritorno al numero
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