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Dig Dis Sci. 2016 Oct;61(10):2831-2837. doi: 10.1007/s10620-016-4228-9. Epub 2016 Jul 12.

A Longitudinal Study of Adenoma Detection Rate in Gastroenterology Fellowship Training.

Author information

1
Department of Medicine and Division of Gastroenterology, Harvard Medical School, Beth Israel Deaconess Medical Center, 330 Brookline Ave, Boston, MA, 02215, USA. erto312@gmail.com.
2
Department of Medicine and Division of Gastroenterology, Harvard Medical School, Beth Israel Deaconess Medical Center, 330 Brookline Ave, Boston, MA, 02215, USA.

Abstract

BACKGROUND:

Current guidelines suggest that a gastroenterology fellow in training needs to perform 140 colonoscopies to achieve competency. Data are limited regarding adenoma detection rate (ADR) in fellowship.

AIMS:

To assess how fellow ADR correlates with number of colonoscopies performed.

METHODS:

We performed a retrospective study examining consecutive colonoscopies performed by gastroenterology fellows. Fellow ADR before and after the 140 procedure benchmark was compared to colonoscopies performed by attending only with whom these fellows trained. A threshold for ideal procedure count was performed using ROC analysis.

RESULTS:

We analyzed 2021 average-risk colonoscopies performed by 10 gastroenterology fellows under the supervision of an attending physician. When fellows had performed <140 colonoscopies, the ADR was 27 % compared with an ADR of 36 % when fellows had performed >140 colonoscopies under attending supervision (p = 0.02). The ADR of fellows who had performed >140 colonoscopies under attending supervision was greater than that of attending-only colonoscopies (36 vs. 25 %, p < 0.0001). A threshold of >325 (male patients) and 539 (female patients) colonoscopies was determined to be ideal for achieving adequate ADR based on ROC analysis.

CONCLUSIONS:

Our data suggest that ADR increases after fellows perform >140 colonoscopies under attending supervision, and thereafter surpasses the ADR of attending-only colonoscopies. Some of the differences may be driven by detection of small adenomas. The findings of this study suggest that a higher threshold for number of colonoscopies performed under attending supervision may be needed to achieve adequate ADR during fellowship prior to independent practice.

KEYWORDS:

Colonoscopy; Medical education; Polyp; Trainee competency

PMID:
27405989
DOI:
10.1007/s10620-016-4228-9
[Indexed for MEDLINE]
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