Red Dichromatic Imaging Improves the Recognition of Bleeding Points During Endoscopic Submucosal Dissection
© 2023. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature..
BACKGROUND: Previous studies have indicated that red dichromatic imaging (RDI) improved the visibility of gastrointestinal bleeding.
AIMS: To investigate the recognition of bleeding points during endoscopic submucosal dissection (ESD) under RDI compared with that under white light imaging (WLI).
METHODS: Consecutive patients scheduled to undergo esophageal or gastric ESD at a single center were enrolled. Paired videos of active bleeding during ESD under WLI and RDI were created. Six endoscopists identified the virtual hemostasis point on still images after random video viewing. The distance between virtual hemostasis and actual bleeding points was scored in four levels (0-3 points), and the association with the color value was analyzed in both WLI and RDI.
RESULTS: We evaluated 116 videos for 58 bleeding points. The median visibility score and recognition rate were significantly higher for RDI than for WLI (2.17 vs. 1.42, p < 0.001 and 62.1% vs 27.6%, p < 0.001). Additionally, the recognition rate of trainees in RDI was higher than that of experts in WLI (60.3% vs. 43.1%, p = 0.067). The median color difference of RDI was significantly higher than that of WLI (8.97 vs. 3.69, p < 0.001). Furthermore, the correlation coefficient between the visibility score and color difference was 0.712 (strong correlation).
CONCLUSION: RDI can provide better recognition of bleeding points than WLI during ESD. Therefore, further studies are warranted to investigate whether RDI improves ESD outcomes.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:69 |
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| Enthalten in: |
Digestive diseases and sciences - 69(2024), 1 vom: 02. Jan., Seite 216-227 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Mori, Yosuke [VerfasserIn] |
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| Links: |
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| Themen: |
Bleeding |
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| Anmerkungen: |
Date Completed 15.01.2024 Date Revised 23.01.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s10620-023-08145-3 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM364474130 |
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| 520 | |a © 2023. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature. | ||
| 520 | |a BACKGROUND: Previous studies have indicated that red dichromatic imaging (RDI) improved the visibility of gastrointestinal bleeding | ||
| 520 | |a AIMS: To investigate the recognition of bleeding points during endoscopic submucosal dissection (ESD) under RDI compared with that under white light imaging (WLI) | ||
| 520 | |a METHODS: Consecutive patients scheduled to undergo esophageal or gastric ESD at a single center were enrolled. Paired videos of active bleeding during ESD under WLI and RDI were created. Six endoscopists identified the virtual hemostasis point on still images after random video viewing. The distance between virtual hemostasis and actual bleeding points was scored in four levels (0-3 points), and the association with the color value was analyzed in both WLI and RDI | ||
| 520 | |a RESULTS: We evaluated 116 videos for 58 bleeding points. The median visibility score and recognition rate were significantly higher for RDI than for WLI (2.17 vs. 1.42, p < 0.001 and 62.1% vs 27.6%, p < 0.001). Additionally, the recognition rate of trainees in RDI was higher than that of experts in WLI (60.3% vs. 43.1%, p = 0.067). The median color difference of RDI was significantly higher than that of WLI (8.97 vs. 3.69, p < 0.001). Furthermore, the correlation coefficient between the visibility score and color difference was 0.712 (strong correlation) | ||
| 520 | |a CONCLUSION: RDI can provide better recognition of bleeding points than WLI during ESD. Therefore, further studies are warranted to investigate whether RDI improves ESD outcomes | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Bleeding | |
| 650 | 4 | |a Endoscopic submucosal dissection | |
| 650 | 4 | |a Esophagus | |
| 650 | 4 | |a Red dichromatic imaging | |
| 700 | 1 | |a Iwatsubo, Taro |e verfasserin |4 aut | |
| 700 | 1 | |a Hakoda, Akitoshi |e verfasserin |4 aut | |
| 700 | 1 | |a Kameishi, Shin |e verfasserin |4 aut | |
| 700 | 1 | |a Takayama, Kazuki |e verfasserin |4 aut | |
| 700 | 1 | |a Sasaki, Shun |e verfasserin |4 aut | |
| 700 | 1 | |a Koshiba, Ryoji |e verfasserin |4 aut | |
| 700 | 1 | |a Nishida, Shinya |e verfasserin |4 aut | |
| 700 | 1 | |a Harada, Satoshi |e verfasserin |4 aut | |
| 700 | 1 | |a Tanaka, Hironori |e verfasserin |4 aut | |
| 700 | 1 | |a Sugawara, Noriaki |e verfasserin |4 aut | |
| 700 | 1 | |a Ota, Kazuhiro |e verfasserin |4 aut | |
| 700 | 1 | |a Kawaguchi, Shinpei |e verfasserin |4 aut | |
| 700 | 1 | |a Kojima, Yuichi |e verfasserin |4 aut | |
| 700 | 1 | |a Takeuchi, Toshihisa |e verfasserin |4 aut | |
| 700 | 1 | |a Higuchi, Kazuhide |e verfasserin |4 aut | |
| 700 | 1 | |a Nishikawa, Hiroki |e verfasserin |4 aut | |
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