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

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 extempo...

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Bibliographic Details
Published in:Colorectal disease 2021-08, Vol.23 (8), p.2189-2194
Main Authors: Guerra, Francesco, Coletta, Diego, Greco, Paola Antonella, Eugeni, Emilio, Patriti, Alberto
Format: Article
Language:English
Subjects:
acute small bowel obstruction
Angiography
Fluorescence
Intestinal obstruction
Ischemia
Laparoscopy
Medical imaging
postoperative adhesions
Small intestine
Surgery
Viability
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Summary: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.
ISSN:1462-8910
1463-1318
DOI:10.1111/codi.15680