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Clinical Evidence on EVIS X1

Discover the latest bibliography on EVIS X1. The EVIS X1 endoscopy system introduces a range of technologies that aim to revolutionize the way physicians can detect, characterize and treat gastrointestinal disorders. This page serves as a resource for researchers, clinicians, and healthcare professionals interested in staying informed about the impact of EVIS X1 in endoscopic procedures. Each entry includes a link to further reading.

RDI (Red Dichromatic Imaging)

RDI technology works by applying the same principle of NBI (Narrow Band Imaging) technology. However, rather than selecting short wavelengths of light (Blue and Green) to view surface patterns and blood vessels, RDI technology uses Green, Amber and Red. These longer wavelengths of light penetrate more deeply into human mucosal tissue.1

RDI technology is not intended to replace histopathological sampling as a means of diagnosis.

1. Data on file with Olympus (DC00489968).

ESD

 

Title (Link to abstract)

Red dichromatic imaging reduces bleeding and hematoma during submucosal injection in esophageal endoscopic submucosal dissection – PubMed (nih.gov)

Author

Miyazaki K, et al.

Publication Year

2022

Journal

Surgical Endoscopy

Endoscopes

GIF-H290T or PCF-H290TI

 

Title (Link to abstract)

Endoscopic submucosal dissection and tunneling procedures using novel image-enhanced technique – ScienceDirect

Author

Zaheer N, et al.

Publication Year

2022

Journal

VideoGIE

Endoscopes

GIF-HQ190

 

Title (Link to abstract)

Efficacy of using red dichromatic imaging throughout endoscopic submucosal dissection procedure – PubMed (nih.gov)

Author

Kita A, et al.

Publication Year

2023

Journal

Surgical Endoscopy

Endoscopes

N/A

 

Title (Link to abstract)

Red dichromatic imaging improves visibility of bleeding during gastric endoscopic submucosal dissection – PubMed (nih.gov)

Author

Oka K, et al.

Publication Year

2023

Journal

Scientific Reports

Endoscopes

GIF-H290T

 

Title (Link to abstract)

Red Dichromatic Imaging Improves the Recognition of Bleeding Points During Endoscopic Submucosal Dissection – PubMed (nih.gov)

Author

Mori Y, et al.

Publication Year

2024

Journal

Digestive Diseases and Sciences

Endoscopes

GIF-H290T

 

Title (Link to abstract)

Red dichromatic imaging enhances submucosal visibility during endoscopic submucosal dissection: Pilot study

Author

Ishikawa T, et al.

Publication Year

2025

Journal

Endosc Int Open

Endoscopes

PCF-H290TI, PCF-H290ZI, GIF-H290T, GIF-EZ1500 and GIF-H290Z

 

Barrett’s esophagus

Title (Link to abstract)

Improved visibility of palisade vessels within Barrett’s esophagus using red dichromatic imaging: a retrospective cross-sectional study in Japan

Author

Ueda C et al.

Publication Year

2024

Journal

Clinical Endoscopy

Endoscopes

GIF-XZ1200

 

 

UC

Title (Link to abstract)

Usefulness of Novel Image-Enhanced Endoscopy for Predicting Maintenance of Clinical Remission in Ulcerative Colitis

Author

Mamiya Y et al.

Publication Year

2025

Journal

Digestive Diseases and Sciences

Endoscopes

PCF-H290ZI , CF-HQ290

 

 

ERCP

Title (Link to abstract)

Usefulness of red dichromatic imaging for post-endoscopic sphincterotomy bleeding

Author

Inoue T, et al.

Publication Year

2022

Journal

Endoscopy

Endoscopes

TJF-Q290V

 

Title (Link to abstract)

Effective application of self-assembling peptide matrix with the gel immersion technique and red dichromatic imaging for hemostasis of postendoscopic sphincterotomy bleeding

Author

Toyonaga H, et al.

Publication Year

2023

Journal

Endoscopy

Endoscopes

Unknown (TJF-Q290V)

POCS

Title (Link to abstract)

New image-enhanced cholangioscopy for the diagnosis of cholangiocarcinoma

Author

Ishii T, et al.

Publication Year

2023

Journal

Endoscopy

Endoscopes

CHF-B290

 

Title (Link to abstract)

Usefulness of texture and color enhancement imaging in peroral cholangioscopy

Author

Tanisaka Y, et al.

Publication Year

2023

Journal

Endoscopy

Endoscopes

CHF-B290

 

Title (Link to abstract)

Direct peroral cholangioscopy with red dichromatic imaging 3 detected the perihilar margin of superficial papillary extension in a patient with intraductal papillary neoplasm of the bile duct

Author

Koiwai A et al.

Publication Year

2023

Journal

DEN Open

Endoscopes

CHF-B290

 

Title (Link to abstract)

Identification of bleeding points after bile duct biopsy using red dichromatic imaging during peroral cholangioscopy: A case report

Author

Kimura Y, et al.

Publication Year

2023

Journal

DEN Open

Endoscopes

TJF-260V, CHF-B290

 

Title (Link to abstract)

New image-enhanced cholangioscopy for the diagnosis of cholangiocarcinoma

Author

Ishii T, et al.

Publication Year

2023

Journal

Endoscopy

Endoscopes

CHF-B290

* The information on this page was last updated on April, 2026.

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