Intraoperative fluorescence angiography and risk factors of anastomotic leakage in mini-invasive low rectal resections
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and Other Interventional Techniques
Intraoperative fluorescence angiography and risk factors of anastomotic leakage in mini‑invasive low rectal resections Vladimír Benčurik1,5 · Matej Škrovina1,2,5 · Lubomír Martínek1,3 · Jiří Bartoš1 · Mária Macháčková1 · Michal Dosoudil1 · Erika Štěpánová1 · Lenka Přibylová4 · Radim Briš4 · Katherine Vomáčková2 Received: 31 May 2020 / Accepted: 14 September 2020 © Springer Science+Business Media, LLC, part of Springer Nature 2020
Abstract Background One of the prerequisites for proper healing of the anastomosis after a colorectal resection is adequate blood supply to the connected intestinal segments. It has been proposed that adequate visualization of the blood flow using indocyanine green (ICG) could lead to the reduction in the incidence of anastomotic leakage (AL). The aim of this study was to assess the effectiveness of intraoperative fluorescence angiography (FA) in decreasing the incidence of AL after minimally invasive low anterior resection (LAR) with total mesorectal excision (TME) in rectal cancer patients and to determine predictors of anastomotic leak. Methods From August 2015 to January 2019, data from 100 patients who underwent mini-invasive TME for rectal cancer using FA with indocyanine green (ICG) were prospectively collected and analyzed. They were compared with retrospectively analyzed data from a historical control group operated by one team of surgeons before the introduction of FA from November 2012 to August 2015 (100 patients). All patients from both groups were operated sequentially in one oncological center in Nový Jičín. Results The incidence of AL was significantly lower in the ICG group (19% vs. 9%, p = 0.042, χ2 test). In fifteen patients in the ICG group (15%), the resection line was moved due to insufficient perfusion. Using Pearson’s χ2 test, diabetes (p = 0.036) and application of a transanal drain (NoCoil) (p = 0.032) were identified as other risk factors (RFs) for AL. Conclusion The use of ICG to visualize tissue perfusion in low rectal resections for cancer can lead to a reduction of AL. Keywords Anastomotic leakage · Rectal resections · Fluorescence angiography A well-healed anastomosis is very important in colorectal surgery. Improper healing increases morbidity and mortality, negatively affects quality of life and worsens the prognosis of patients [1–8]. Implementation of modern surgical * Vladimír Benčurik [email protected] 1
Department of Surgery, Hospital Novy Jicin, Purkyňova 2138/16, Novy Jicin 74101, Czech Republic
2
Department of Surgery, Faculty of Medicine and Dentistry, Palacky University Olomouc, Olomouc, Czech Republic
3
Department of Surgery, Faculty of Medicine, University of Ostrava, Ostrava, Czech Republic
4
Department of Applied Mathematics, Faculty of Electrical Engineering and Computer Science, VSB – Technical University of Ostrava, Ostrava, Czech Republic
5
AGEL Research and Training Institute, Prostejov, Czech Republic
techniques, efforts to identify risk factors, and improvemen
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