Features of Microsurgical Anatomy of the Small Intestine in Experimental Widespread Purulent Peritonitis

Abstract

The aim of experiment was to study the features of small intestine wall microanatomical constitution in widespread pyoperitonitis to justify the use of microsurgical intestinal suture.

Material and methods. The proximal, middle and distal parts of the mesenterial intestine served as the research material. In animals with experimental peritonitis, a histotopographic method was used to perform serial transverse and longitudinal histotopograms with hematoxylin-eosin and picrofuchsine Van Gieson staining. The wall thickness of the intestine and its membranes was measured with an ocular micrometer through a stereoscopic microscope MBS-10. With the variational-statistical data processing, the mean value, the error of mean, the minimum and maximum values were determined.

Results. Microscopic features in the wall of small intestine mesenterial part in dogs with widespread purulent peritonitis were described. Morphometric data on differences in the thickness of the intestinal wall and its membranes are presented. It was found that morphofunctional changes in the wall of the small intestine correlate with the period of peritonitis development.

Conclusion. Based on the data obtained, it was concluded that microsurgical operation technique could be used during the reactive and toxic stages of widespread peritonitis.