Morphological features of bordering zones with anastomosis during surgical correction of congenital intestinal obstruction-Reference-Cited by-同舟云学术

Morphological features of bordering zones with anastomosis during surgical correction of congenital intestinal obstruction

Published:2023-07-25 Issue:6 Volume: Page:157-164
ISSN:1682-8658
Container-title:Experimental and Clinical Gastroenterology
language:
Short-container-title:jour

Author:

Shirokova N. Yu.¹^ORCID,Zheleznov A. S.¹^ORCID,Fedulova E. N.¹^ORCID,Khavkin A. I.²^ORCID

Affiliation:

1. Privolzhsky Research Medical University

2. Veltischev Research and Clinical Institute for Pediatrics and Pediatric Surgery of the Pirogov Russian National Research Medical University

Abstract

Introduction. Despite the numerous studies carried out to improve the technique for abdominal operations using new suture materials, stitching technologies and various types of intestinal sutures, the failure of intestinal anastomoses sutures remains a serious surgical problem in both adult and pediatric practice. The purpose of our study is a comparative analysis of the healing of the interintestinal fistula using various types of sutures in an experiment on animals (newborn rabbits). Materials and methods. The experiment was performed on 15 newborn rabbits with reproduction of a model of intestinal obstruction at the level of the ileum and the imposition of end-to-end small-intestinal anastomoses and de Lorimier-Harrison plication with interrupted and continuous sutures. 3 groups were formed: the imposition of a plication anastomosis using a single-row continuous suture (group I (n = 5)), an end-to-end anastomosis using a single-row continuous suture (group II (n = 5)), group III (n = 5) - end-to-end anastomosis with a single-row interrupted suture. With the help of modern morphological research methods, the degree of the infiltrative-destructive process in the peri-anastomosed areas has been studied. Results. It was found that when using all types of sutures in the areas surrounding the anastomosis (with an implicit advantage of a continuous suture), similar morphological changes were observed, indicating the remodeling of the mucous membrane (RM), low regenerative potential of the small intestine. Deeper degenerative changes in the small intestine SO were observed during the correction of intestinal obstruction using an interrupted suture. Conclusion. The use of a continuous suture (in some cases (3 out of 5) has some advantage over the interrupted suture in the form of a relative preservation of the proliferative compartment zone with the presence of highly specialized cells. Counting Paneth cells, as an indicator of the regenerative capabilities of the small intestine CO, is a promising and objective method for assessing the quality small bowel anastomosis.

Publisher

LLC Global Media Technology

Subject

Gastroenterology,Hepatology

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