Saratov JOURNAL of Medical and Scientific Research

The deformation-strength properties of suture line of aponeurosis of anterior abdominal wall after laparotomy

Year: 2020, volume 16 Issue: №2 Pages: 506-510
Heading: Surgery Article type: Original article
Authors: Vertyankin S.V., Vanzha Ya.E., Mayorov R.V., Turlykova I.A., Golyadkina A.A., Polienko A.V., Inozemtsev E.S.
Organization: Saratov State Medical University, Saratov National Research University n.a. N. G. Chernyshevsky, Plekhanov Russian University of Economics

Objective: development of a method for the prevention of postoperative ventral hernias based on an experimental assessment of the deformation-strength properties of aponeurosis in various types of median laparotomy. Material and Methods. 42 fascial-muscular-aponeurotic complexes of the anterior abdominal wall were evaluated. In accordance with a variant of the method for dissecting the aponeurosis and its suturing, the complexes are divided into two groups (21 samples each): group 1 —with a bypass of the umbilical ring on the left, group 2 — with the dissection of the umbilical ring. Results. Fascial aponeurotic complexes dissected and sutured through the umbilical ring, belonging to group 2, have higher mechanical characteristics. So, the average level of tensile stress (S), the average stress at maximum load (Load), Young's modulus (E), the average values of tensile strain, aponeurosis (D) and deformation at maximum load (Dmax) average level of maximum load (Smax) prevails in group 2 by 35.4; 39.8; 14.9; 34.6; 30.2 and 40.2%, respectively. Conclusion. The development, experimental application and evaluation of a new method for the prevention of postoperative ventral hernias after median laparotomy was performed based on the assessment of the deformation-strength properties of aponeurosis.

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