Indocyanine green fluorescence improves safety in laparoscopic cholecystectomy using the Fundus First technique: a retrospective study

IntroductionAs one of the most commonly performed surgeries in the world, safety during laparoscopic cholecystectomy (LC) is of utmost importance. Indocyanine green (ICG) has been used for different medical purposes including assessment of liver function since the 1950s. Its use during LC was first...

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Main Authors: Susanna Haverinen, Evelina Pajus, Gabriel Sandblom, Yücel Cengiz
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-01-01
Series:Frontiers in Surgery
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Online Access:https://www.frontiersin.org/articles/10.3389/fsurg.2025.1516709/full
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author Susanna Haverinen
Susanna Haverinen
Evelina Pajus
Gabriel Sandblom
Gabriel Sandblom
Yücel Cengiz
Yücel Cengiz
author_facet Susanna Haverinen
Susanna Haverinen
Evelina Pajus
Gabriel Sandblom
Gabriel Sandblom
Yücel Cengiz
Yücel Cengiz
author_sort Susanna Haverinen
collection DOAJ
description IntroductionAs one of the most commonly performed surgeries in the world, safety during laparoscopic cholecystectomy (LC) is of utmost importance. Indocyanine green (ICG) has been used for different medical purposes including assessment of liver function since the 1950s. Its use during LC was first described in 2009 by Ishizawa. Since ICG is excreted in the bile, its fluorescent properties can be used to illuminate the bile ducts, and may reduce the risk for bile duct injury and other complications. Previous studies have compared ICG with conventional visualization showing shorter operation time and lower conversion rates during LC performed with traditional operation techniques. Results from LC performed with the Fundus First method (FF-LC) and ICG fluorescence has not been previously reported. The aim of this retrospective study was to compare LC with and without the aid of ICG fluorescence at a Swedish hospital routinely performing FF-LC.MethodsData from all patients operated with LC at Sundsvall General Hospital before and after the implementation of routine ICG between 2016 and 2023 were analyzed.ResultsThe study included 2,009 patients; 1,455 operated with ICG (ICG-group) and 549 without (comparison group). FF-LC was used in 94.9% of all operations. The groups were comparable regarding gender, BMI, age, presence of acute cholecystitis and proportion urgent/elective surgery. ICG was found to be safe, with similar 30-day complication rates between study groups. A lower conversion rate was seen in the ICG-group (1.2% vs. 3.3%, p = 0.001) and there was a non-significant reduction in readmissions (p = 0.054). In univariate analysis, ICG was associated with prolonged operation time, but this was not supported in multivariate analysis. Time to cholangiography was prolonged in the ICG-group in both univariate and multivariate analyses.DiscussionICG fluorescence is an adjunct that could improve the operative safety. Implementation of routine ICG fluorescence at this Swedish hospital was found to be safe and efficient, suggesting improvement in safety during FF-LC. Further studies are needed to see if ICG increases safety in LC.
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spelling doaj-art-465a9c3049cf45cfbcbe3feb1f6fc4212025-01-23T06:56:05ZengFrontiers Media S.A.Frontiers in Surgery2296-875X2025-01-011210.3389/fsurg.2025.15167091516709Indocyanine green fluorescence improves safety in laparoscopic cholecystectomy using the Fundus First technique: a retrospective studySusanna Haverinen0Susanna Haverinen1Evelina Pajus2Gabriel Sandblom3Gabriel Sandblom4Yücel Cengiz5Yücel Cengiz6Department of Clinical Science and Education, Södersjukhuset, Karolinska Institute, Stockholm, SwedenDepartment of Surgery, Sundsvall General Hospital, Sundsvall, SwedenDepartment of Diagnostics and Intervention, Surgery, Umeå University, Umeå, SwedenDepartment of Clinical Science and Education, Södersjukhuset, Karolinska Institute, Stockholm, SwedenDepartment of Surgery, Södersjukhuset, Stockholm, SwedenDepartment of Surgery, Sundsvall General Hospital, Sundsvall, SwedenDepartment of Diagnostics and Intervention, Surgery, Umeå University, Umeå, SwedenIntroductionAs one of the most commonly performed surgeries in the world, safety during laparoscopic cholecystectomy (LC) is of utmost importance. Indocyanine green (ICG) has been used for different medical purposes including assessment of liver function since the 1950s. Its use during LC was first described in 2009 by Ishizawa. Since ICG is excreted in the bile, its fluorescent properties can be used to illuminate the bile ducts, and may reduce the risk for bile duct injury and other complications. Previous studies have compared ICG with conventional visualization showing shorter operation time and lower conversion rates during LC performed with traditional operation techniques. Results from LC performed with the Fundus First method (FF-LC) and ICG fluorescence has not been previously reported. The aim of this retrospective study was to compare LC with and without the aid of ICG fluorescence at a Swedish hospital routinely performing FF-LC.MethodsData from all patients operated with LC at Sundsvall General Hospital before and after the implementation of routine ICG between 2016 and 2023 were analyzed.ResultsThe study included 2,009 patients; 1,455 operated with ICG (ICG-group) and 549 without (comparison group). FF-LC was used in 94.9% of all operations. The groups were comparable regarding gender, BMI, age, presence of acute cholecystitis and proportion urgent/elective surgery. ICG was found to be safe, with similar 30-day complication rates between study groups. A lower conversion rate was seen in the ICG-group (1.2% vs. 3.3%, p = 0.001) and there was a non-significant reduction in readmissions (p = 0.054). In univariate analysis, ICG was associated with prolonged operation time, but this was not supported in multivariate analysis. Time to cholangiography was prolonged in the ICG-group in both univariate and multivariate analyses.DiscussionICG fluorescence is an adjunct that could improve the operative safety. Implementation of routine ICG fluorescence at this Swedish hospital was found to be safe and efficient, suggesting improvement in safety during FF-LC. Further studies are needed to see if ICG increases safety in LC.https://www.frontiersin.org/articles/10.3389/fsurg.2025.1516709/fullindocyanine greenfluorescent cholangiographylaparoscopic cholecystectomyFundus Firstcholangiography
spellingShingle Susanna Haverinen
Susanna Haverinen
Evelina Pajus
Gabriel Sandblom
Gabriel Sandblom
Yücel Cengiz
Yücel Cengiz
Indocyanine green fluorescence improves safety in laparoscopic cholecystectomy using the Fundus First technique: a retrospective study
Frontiers in Surgery
indocyanine green
fluorescent cholangiography
laparoscopic cholecystectomy
Fundus First
cholangiography
title Indocyanine green fluorescence improves safety in laparoscopic cholecystectomy using the Fundus First technique: a retrospective study
title_full Indocyanine green fluorescence improves safety in laparoscopic cholecystectomy using the Fundus First technique: a retrospective study
title_fullStr Indocyanine green fluorescence improves safety in laparoscopic cholecystectomy using the Fundus First technique: a retrospective study
title_full_unstemmed Indocyanine green fluorescence improves safety in laparoscopic cholecystectomy using the Fundus First technique: a retrospective study
title_short Indocyanine green fluorescence improves safety in laparoscopic cholecystectomy using the Fundus First technique: a retrospective study
title_sort indocyanine green fluorescence improves safety in laparoscopic cholecystectomy using the fundus first technique a retrospective study
topic indocyanine green
fluorescent cholangiography
laparoscopic cholecystectomy
Fundus First
cholangiography
url https://www.frontiersin.org/articles/10.3389/fsurg.2025.1516709/full
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