Year 2018 Vol. 26 No 4

SCIENTIFIC PUBLICATIONS
EXPERIMENTAL SURGERY

B.S. SUKOVATYKH 1, YU.YU. POLEVOY 1, A.A. NETYAGA 1, YU.YU. BLINKOV 1, V.A. ZHUKOVSKIY 2

COMPARATIVE EXPERIMENTAL-MORPHOLOGICAL RESEARCH OF LIGHT AND LIGHT STRENGTHENED ENDOPROSTHESIS FOR HERNIOPLASTY

Kursk State Medical University 1, Kursk
Saint-Petersburg State University of Industrial Technologies and Design 2, Saint-Petersburg,
The Russian Federation

Objective. To study the changes of anterior abdominal wall tissues in experimental animals with implantation of new light strengthened endoprosthesis for hernioplasty.
Methods. Experimental studies were conducted on 60 rabbits of Chinchilla breed. All animals were divided into 2 series of experiments. In the first (control) group animals were implanted with a light polypropylene endoprosthesis, in the second (experimental) group animals were implanted a new net endoprosthesis from monofilament polypropylene, which consisted of the basic and strengthened zones in the form of horizontally located stripes, alternating with each other mono-thread with a larger diameter. In the experiment the tissue response of abdominal wall with implantation of endoprosthesis in the position onlay was studied on the 7th, 30th, 60th, 90th and 180th days.
Results. It was found out, that the light strengthened endoprosthesis was identical to the light endoprosthesis by the severity and amount of inflammatory response in late periods (90 and 180 days), as well as by cellular structure and cellular index, reflecting the character of wound process during the whole experiment (from the 7th till 180th day). Histological study showed that the use of the both materials does not lead to deterioration of morpho-functional condition of the muscle layer of the abdominal wall. Using morphometrical study from the 7th till the 30th days we detected that cellular infiltration area decreased by 3.9 times in a control group and by 4.1 times in an experimental group. From the 30th till the 180th days the size of the capsule area increased by 1.6 times in a control and by 1.2 times in experimental series. At late periods (on the 90th and 180th days) statistically significant differences of all these indicators between the series of experiment were not detected.
Conclusions. Introduction of the strengthened zone to the structure of the light endoprosthesis, including monofilaments of the larger diameter, does not lead to deterioration of abdominal tissue response to the implanted material, that presents prospective for its use in hernioplasty.

Keywords: light endoprosthesis, light strengthened endoprosthesis, hernioplasty, cellular infiltration area, area of connective tissue capsule, cellular index, polypropylene endoprosthesis
p. 402-411 of the original issue
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Address for correspondence:
305041, The Russian Federation,
Kursk, K.Marx Str., 3,
Kursk State Medical University,
Department of General Surgery,
Tel. (4712) 52-98-62,
e-mail: SukovatykhBS@kursksmu.net,
Boris S. Sukovatykh
Information about the authors:
Sukovatykh Boris S., MD, Professor, Head of the Department of General Surgery, Kursk State Medical University, Kursk, Russian Federation.
http://orcid.org/0000-0003-2197-8756
Polevoy Yuri Yu., Applicant for Candidates degree of the Department of General Surgery, Kursk State Medical University, Kursk, Russian Federation.
http://orcid.org/0000-0002-2683-2521
Netyaga Andrej A., PhD, Associate Professor of the Department of Operative Surgery and Topographic Anatomy, Kursk State Medical University, Kursk, Russian Federation.
http://orcid.org/0000-0003-3686-1358
Blinkov Yurij Yu., MD, Professor of the Department of General Surgery, Kursk State Medical University, Kursk, Russian Federation.
http://orcid.org/0000-0002-0819-0692
Zhukovskiy Valeriy A., DS, Professor of the Department of Nanostructured, Fibrous and Composite Materials named after A.I. Meos, Supervisor of the Laboratory of Polymer Materials, Saint-Petersburg State University of Industrial Technologies and Design, Saint-Petersburg, Russian Federation.
http://orcid.org/0000-0001-7092-9155
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