An investigation of the effects of suture patterns on mechanical strength of intestinal anastomosis: an experimental study
Abstract
How the distance of sutures from the edge of tissue and the horizontal distance between stitches affect the mechanical strength of anastomosis is investigated. In this study, 180 bovine intestines were used to investigate the optimum pattern in 18 groups by considering a 4, 6, and 8 mm horizontal distance between stitches, and a 3, 5, and 7 mm distance from the edge of tissue with 3-0 Silk and 3-0 PDS sutures to maximize the strength of anastomosis (10 specimens in each group). Also, 80 specimens were used to investigate the maximum effective distance of sutures from the edge of tissue in eight groups of: 3, 5, 7, and 10 mm distance from the edge, with the same type of sutures. Tensile tests with an elongation rate of 5 mm/min were performed for all the groups. Based on the results, the pattern of 7-6 (distance from the edge-distance between stitches) for both 3-0 Silk and 3-0 PDS, 5-6 and 7-4 for 3-0 Silk, and 5-6 and 7-4 for 3-0 PDS can be considered as the best options among 18 different combinations. It was also found that increasing the distance from the edge from 7 mm to 10 mm does not cause a significant difference in mechanical strength. Results can help surgeons to improve the intestinal anastomosis and employ it as an input for automatic suturing devices.
Acknowledgments
The authors would like to thank Amirkabir University of Technology and University of Tehran for supporting this research and to Dr. Siamak Farkoush for his valuable comments.
References
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Articles in the same Issue
- Frontmatter
- Efficiency test of current carotid embolic protection devices
- Influence of sizes of abutments and fixation screws on dental implant system: a non-linear finite element analysis
- Biomechanical evaluation of novel ultrasound-activated bioresorbable pins for the treatment of osteochondral fractures compared to established methods
- Fabrication of multifunctional CaP-TC composite coatings and the corrosion protection they provide for magnesium alloys
- An experimental study of shear-dependent human platelet adhesion and underlying protein-binding mechanisms in a cylindrical Couette system
- The influence of implant body and thread design of mini dental implants on the loading of surrounding bone: a finite element analysis
- RapidNAM: generative manufacturing approach of nasoalveolar molding devices for presurgical cleft lip and palate treatment
- Enamel shear bond strength of different primers combined with an orthodontic adhesive paste
- Biomechanical analysis of stiffness and fracture displacement after using PMMA-augmented sacroiliac screw fixation for sacrum fractures
- Regular research articles
- An investigation of the effects of suture patterns on mechanical strength of intestinal anastomosis: an experimental study
- Relationship between linear velocity and tangential push force while turning to change the direction of the manual wheelchair
- Analysis of voluntary opening Ottobock Hook and Hosmer Hook for upper limb prosthetics: a preliminary study