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Published in: Journal of Gastrointestinal Surgery 3/2019

01-03-2019 | Original Article

The Feasibility and Safety of Preoperative Fluorescence Marking with Indocyanine Green (ICG) in Laparoscopic Gastrectomy for Gastric Cancer

Authors: Yuki Ushimaru, Takeshi Omori, Yoshiyuki Fujiwara, Yoshitomo Yanagimoto, Keijiro Sugimura, Kazuyoshi Yamamoto, Jeong-Ho Moon, Hiroshi Miyata, Masayuki Ohue, Masahiko Yano

Published in: Journal of Gastrointestinal Surgery | Issue 3/2019

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Abstract

Background

Securing the surgical margin is the most essential and important task in curative surgery. However, it is difficult to accurately identify the tumor location during laparoscopic surgery for gastric cancer, and existing methods, such as preoperative endoscopic marking with tattooing and clipping, have multiple disadvantages.

Aims

We investigated the feasibility and safety of indocyanine green (ICG) fluorescence marking for determining the tumor location during laparoscopic gastrectomy.

Methods

We retrospectively analyzed preoperative and perioperative data from consecutive patients with gastric cancer undergoing planned laparoscopic distal gastrectomy. Data was maintained in a prospectively compiled surgical database, and patients were categorized into ICG (n = 84) or non-ICG (n = 174) groups based on whether they underwent preoperative endoscopic mucosal ICG injection. One-to-one propensity score matching (PSM) was performed to compare outcomes between the two groups.

Results

We included 84 patient pairs after PSM, and there were no significant differences in preoperative patient characteristics. The ICG group had shorter procedure time (p < 0.001), lower estimated blood loss (p = 0.005), and significantly shorter postoperative hospital stay (p < 0.001). Positive resection margins were confirmed in five cases (6.0%) in the non-ICG group, whereas there were none in the ICG group (p = 0.008). Real-time confirmation was possible during laparoscopy, and the injected ICG did not affect the surgical procedure or result in adverse events.

Conclusion

ICG fluorescence imaging is feasible and safe and can potentially be used as a tumor-marking agent for determining the surgical resection line.
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Metadata
Title
The Feasibility and Safety of Preoperative Fluorescence Marking with Indocyanine Green (ICG) in Laparoscopic Gastrectomy for Gastric Cancer
Authors
Yuki Ushimaru
Takeshi Omori
Yoshiyuki Fujiwara
Yoshitomo Yanagimoto
Keijiro Sugimura
Kazuyoshi Yamamoto
Jeong-Ho Moon
Hiroshi Miyata
Masayuki Ohue
Masahiko Yano
Publication date
01-03-2019
Publisher
Springer US
Published in
Journal of Gastrointestinal Surgery / Issue 3/2019
Print ISSN: 1091-255X
Electronic ISSN: 1873-4626
DOI
https://doi.org/10.1007/s11605-018-3900-0

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