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Backwards Examination of the Right Colon: A Back-to-back Study

A

Attikon University Hospital

Status

Completed

Conditions

Colon Neoplasms

Treatments

Procedure: retroflexion
Procedure: forward view

Study type

Interventional

Funder types

Other

Identifiers

NCT02838186
Retro-2013

Details and patient eligibility

About

The aim of this study is to evaluate the examination of the proximal colon with the retroflexion colonoscopic technique in terms of feasibility and its possible additive contribution in the detection of important lesions, namely polyps and cancers.

Full description

The investigators prospectively examined the additional diagnostic yield of right colon examination with colonoscope retroflexion in consecutive, symptomatic and screening - surveillance patients. Right colon was examined in forward-view first and thereafter, retroflexion was performed to re-inspect it.

Enrollment

674 patients

Sex

All

Ages

18 to 80 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • patients undergoing elective colonoscopy in a Attikon University General Hospital.

Exclusion criteria

  • patients aged <18 and >80 years;
  • right colectomy;
  • recent abdominalsurgery;
  • multiple diverticula of the right colon;
  • American Society of Anesthesiology (ASA) physical status classification grade IV;
  • inflammatory bowel disease and polyposis syndromes.

Trial design

Primary purpose

Diagnostic

Allocation

Non-Randomized

Interventional model

Crossover Assignment

Masking

None (Open label)

674 participants in 2 patient groups

right colon in retroflexion
Active Comparator group
Description:
* polyp/adenoma detection * feasibility
Treatment:
Procedure: retroflexion
right colon in forward view
Active Comparator group
Description:
polyp/adenoma detection
Treatment:
Procedure: forward view

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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