RATING THE PERFUSION OF THE LARGE INTESTINE SEGMENT IN PATIENTS WITH A HISTORY OF LAPAROSCOPIC TOTAL MESORECTAL EXCISION

Authors:

Abstract:

The purpose of the study was to assess the perfusion of the large intestine segment with the angiography in quality and quantity during the laparoscopic total mesorectal excision. The work was carried out on the basis of the analysis of the results of fluorescent images of 28 patients who were diagnosed with adenocarcinoma of the rectum of various degrees and underwent laparoscopic total mesorectal excision. Using the fluorescence curve, T½max and the time ratio (TR=T½ max/T max) from the graphs, the fluorescence intensity of the colon was assessed as weak, medium or high. Of the patients under our supervision, T½max<18 sec was observed in 75 % of patients, T½max>18 sec–in 21.4 % of patients. In 16.7 % of cases in patients with low perfusion (TR<0.4) who underwent a safe anastomosis, narrowness of the anastomosis was noted, in 33.3 % of cases in patients with average perfusion (0.4, T½max 19.8>, slope 1.7<, the likelihood of complications also increases. These indices are considered independent criteria. The use of quantity indexes as ½T max and TR during the study of perfusion with indocyanine green, assisted in finding the intestinal segment with weak perfusion.

Keywords:

laparoscopic total mesorectal excision fluorescence imaging quantity indices T½max and TR colorectal cancer

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Publication:

«World of Medicine and Biology» Vol. 19 No. 84 (2023) , с. 60-65
УДК 616.351-006.6-089

DOI:

https://doi.org/10.26724/2079-8334-2023-2-84-60-65