Red dichromatic imaging and linked color imaging as reliable image-enhanced endoscopic procedures for detecting the distal end of the palisade vessels in the columnar metaplastic mucosa of the gastroesophageal junction zone.

Endoscopy Gastroesophageal junction Mucous membrane

Journal

Journal of gastroenterology
ISSN: 1435-5922
Titre abrégé: J Gastroenterol
Pays: Japan
ID NLM: 9430794

Informations de publication

Date de publication:
05 Jun 2024
Historique:
received: 29 03 2024
accepted: 21 05 2024
medline: 5 6 2024
pubmed: 5 6 2024
entrez: 5 6 2024
Statut: aheadofprint

Résumé

There is a consensus that identifying the distal end of the palisade vessels (DEPV) is important for diagnosing gastroesophageal junction (GEJ). However, optimum observation methods have not been established. This study investigated the use of effective image-enhanced endoscopy (IEE) for DEPV detection. One hundred endoscopic images in 20 cases of columnar metaplastic mucosa of the GEJ recorded with white-light imaging (Olympus-WLI and Fujifilm-WLI) and IEEs (narrow-band imaging; RDI1/2/3, red dichromatic imaging; texture and color enhancement imaging 1/2; blue-laser imaging; and LCI, linked color imaging) from two manufacturers were extracted and evaluated by 10 evaluators. Up to 24 radial straight lines from the center of the lumen were placed on the image, and the evaluators placed markings according to confidence level (high, low, and not detectable) at the DEPV locations. The detectability and reproducibility at the rate of the confidence level and coefficient of variance of markings among the evaluator were analyzed. In total, 15,180 markings were obtained. In terms of detectability, RDI1 (49.4%), RDI2 (53.0%), RDI3 (54.1%), TXI2 (49.7%), and LCI (34.6%) had a significantly higher rate of high confidence among the IEEs in each manufacturer. By contrast, Olympus-WLI (40.6%), Fujifilm-WLI (17.6%), narrow-band imaging (15.9%), and blue laser imaging (9.8%) presented with a significantly lower rates of high confidence. Regarding reproducibility, RDI3 and LCI had the lowest coefficient of variance for each manufacturer. RDI and LCI could be reliable modalities for detecting DEPVs in the columnar metaplastic mucosa of the GEJ zone.

Sections du résumé

BACKGROUND BACKGROUND
There is a consensus that identifying the distal end of the palisade vessels (DEPV) is important for diagnosing gastroesophageal junction (GEJ). However, optimum observation methods have not been established. This study investigated the use of effective image-enhanced endoscopy (IEE) for DEPV detection.
METHODS METHODS
One hundred endoscopic images in 20 cases of columnar metaplastic mucosa of the GEJ recorded with white-light imaging (Olympus-WLI and Fujifilm-WLI) and IEEs (narrow-band imaging; RDI1/2/3, red dichromatic imaging; texture and color enhancement imaging 1/2; blue-laser imaging; and LCI, linked color imaging) from two manufacturers were extracted and evaluated by 10 evaluators. Up to 24 radial straight lines from the center of the lumen were placed on the image, and the evaluators placed markings according to confidence level (high, low, and not detectable) at the DEPV locations. The detectability and reproducibility at the rate of the confidence level and coefficient of variance of markings among the evaluator were analyzed.
RESULTS RESULTS
In total, 15,180 markings were obtained. In terms of detectability, RDI1 (49.4%), RDI2 (53.0%), RDI3 (54.1%), TXI2 (49.7%), and LCI (34.6%) had a significantly higher rate of high confidence among the IEEs in each manufacturer. By contrast, Olympus-WLI (40.6%), Fujifilm-WLI (17.6%), narrow-band imaging (15.9%), and blue laser imaging (9.8%) presented with a significantly lower rates of high confidence. Regarding reproducibility, RDI3 and LCI had the lowest coefficient of variance for each manufacturer.
CONCLUSIONS CONCLUSIONS
RDI and LCI could be reliable modalities for detecting DEPVs in the columnar metaplastic mucosa of the GEJ zone.

Identifiants

DOI: 10.1007/s00535-024-02118-7 PMID: 38836910
pubmed: 38836910
doi: 10.1007/s00535-024-02118-7
pii: 10.1007/s00535-024-02118-7
doi:

Types de publication

Journal Article

Langues

eng

Sous-ensembles de citation

IM

Informations de copyright

© 2024. Japanese Society of Gastroenterology.

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Auteurs

Satoshi Ono (S)

Department of Gastroenterology and Gastrointestinal Endoscopy, Tokyo Metropolitan Institute for Geriatrics and Gerontology, Tokyo, Japan.
Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.

Keiko Yamamoto (K)

Division of Endoscopy, Hokkaido University Hospital, Kita 14 Nishi 5, Kita-Ku, Sapporo, 060-8648, Japan. keiko_sannai@yahoo.co.jp.
Department of Gastroenterology and Hepatology, Graduate School of Medicine, Hokkaido University, Sapporo, Japan. keiko_sannai@yahoo.co.jp.
ORCID: 0000-0003-2343-2984

Fumiaki Ishibashi (F)

Department of Gastroenterology, International University of Health and Welfare Ichikawa Hospital, Chiba, Japan.

Ai Fujimoto (A)

Department of Gastroenterology and Hepatology, Division of Internal Medicine, Toho University Omori Medical Center, Tokyo, Japan.

Yuji Urabe (Y)

Department of Gastroenterology, Hiroshima University Hospital, Hiroshima, Japan.

Tsutomu Takeda (T)

Department of Gastroenterology, Juntendo University School of Medicine, Tokyo, Japan.

Hideki Ishikawa (H)

Department of Molecular-Targeting Prevention, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto, Japan.

Mitsuhiro Fujishiro (M)

Department of Gastroenterology, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan.

Takuji Gotoda (T)

Department of Gastroenterology, Cancer Institute Hospital, Japanese Foundation for Cancer Research, Tokyo, Japan.

Michio Kaminishi (M)

Department of Gastroenterology, Tamaryokuseikai Foundation, Tokyo, Japan.

Kentaro Sugano (K)

Department of Internal Medicine, Division of Gastroenterology, Jichi Medical University, Shimotsuke, Tochigi, Japan.

Classifications MeSH