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. 2021 Aug;23(8):2189-2194.
doi: 10.1111/codi.15680. Epub 2021 May 5.

The use of indocyanine green fluorescence to define bowel microcirculation during laparoscopic surgery for acute small bowel obstruction

Francesco Guerra  1 , Diego Coletta  1 , Paola Antonella Greco  1 , Emilio Eugeni  1 , Alberto Patriti  1
Affiliations

The use of indocyanine green fluorescence to define bowel microcirculation during laparoscopic surgery for acute small bowel obstruction

Francesco Guerra et al. Colorectal Dis. 2021 Aug.

Abstract

Aim: Although there is growing evidence to support the feasibility of a minimally invasive approach for acute small bowel obstruction, the inability to adequately evaluate compromised bowel segments has been cited as a major limitation. The aim of this work is to report a novel application of extemporaneous indocyanine green (ICG) fluorescence to assess bowel viability where there is a concern for ischaemic damage.

Method: After the cause of obstruction has been identified and resolved, and where there are dubious signs of bowel ischaemia present, fluorescent selective angiography is undertaken. The segment of bowel in question is observed under both normal and fluorescent light to assess local microcirculation. The adequacy of both the arterial supply and the venous drainage is thus appraised to define bowel viability.

Results: Among 71 patients who have undergone surgery for acute small bowel obstruction with a laparoscopic approach, seven received extemporaneous ICG fluorescence assessment of bowel viability. Different presentations with their relevant management are described.

Conclusions: Selective use of intraoperative fluorescent angiography may overcome some of the intrinsic limitations of laparoscopy in assessing bowel viability during surgery for acute small bowel obstruction.

Keywords: acute small bowel obstruction; fluorescence; postoperative adhesions.

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References

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