Investigating the effects of various suturing parameters on the leakage from the intestinal anastomosis site: finite element analyses

• Autorzy: Kanani Zahra , Rouhi Gholamreza , Khoorjestan Sanaz Mosafer

Identyfikatory

DOI

10.1016/j.bbe.2019.08.006

• Języki publikacji: EN

Abstrakty

EN

In this work, effects of various parameters, including regularity of sewing, distance of holes from the edge of the tissue (D), distance between holes (L), suturing pattern, and material and size of the suture on the leakage of human large intestine anastomosis site were investigated, using finite element method (FEM). The effects of various parameters of suturing on leakage were investigated in four different steps: 1. regularity of suturing; 2. variations in D (small, medium and large), and L (small, medium and large); 3. suturing pattern; and 4. material and size of the suture. The models mimicked two sides of human large intestine tissue, sewn together. By considering a 50 mm displacement on right-side free edge of tissue, the surface areas of the gaps created around the holes were calculated, and a gap surface area equals to, or greater than 0.07 mm² was considered as the leaking specimen. Results showed that in the case of irregular suturing, compared to the regular one, the likelihood of leakage increases. Additionally, in the cases with large D and medium L, the likelihood of leakage decreases. It was found that zigzag pattern has less leakage probability compared with simple continuous and interrupted patterns. Furthermore, by increasing the diameter and elastic modulus of the suture, the likelihood of leakage will increase. Results of this study are in agreement with experimental evidences.

Słowa kluczowe

EN

large intestine anastomosis; anastomosis leakage; finite element analysis; suturing parameters

PL

zespolenie jelitowe; metoda elementów skończonych; parametry zszywania

• Wydawca: Nałęcz Institute of Biocybernetics and Biomedical Engineering of the Polish Academy of Sciences ; Elsevier
• Czasopismo: Biocybernetics and Biomedical Engineering
• Rocznik: 2019
• Tom: Vol. 39, no. 4
• Strony: 983--991
• Opis fizyczny: Bibliogr. 42 poz., rys., wykr.

Twórcy

autor

Kanani Zahra

• Faculty of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran

autor

Rouhi Gholamreza

• Faculty of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran

autor

Khoorjestan Sanaz Mosafer

• Faculty of Biomedical Engineering, Amirkabir University of Technology, Tehran, Iran

Bibliografia

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).