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KMID : 1094020220390060311
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Journal of Veterinary Clinics
2022 Volume.39 No. 6 p.311 ~ p.318
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Cadaveric Feasibility Study of Knotless Barbed Suture for Tracheal Anastomosis in Dogs
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Min Hyeon-Ah
Moon Chang-Hwan
Jeong You-Jeong
Lee Hae-Beom
Kim Dae-Hyun
Jeong Seong-Mok
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Abstract
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Appropriate suture technique is crucial for successful tracheal anastomosis. However, standards for an ideal suture method have not yet been established. A previous study suggested tracheal anastomosis using barbed sutures that do not require knots; however, their use in small animals has not been reported. In this study, we aimed to compare knotless barbed sutures with conventional smooth sutures in terms of maximum tensile strength and suturing time in canine tracheal models to demonstrate the feasibility of using barbed sutures in tracheal anastomosis in dogs. Tracheal segments harvested from nine beagle dog cadavers were randomly assigned to three suture groups: barbed suture (B), smooth suture in simple interrupted pattern (SI), and smooth suture in simple continuous pattern (SC). The maximum tensile force and suturing time were compared according to the suturing method, and the mode of failure was evaluated. The average suturing time was 3.29 min in the B group; 4.41 min, SC group; and 8.99 min, SI group (p < 0.001). The average maximum tensile force in the SC group was 134.97 N, which was stronger than the SI (110.57 N) and B groups (103.10 N) (p < 0.05 and p < 0.01, respectively). The difference between the B and SI groups was not significant (p = 0.05). The B group demonstrated comparable mechanical strength and shorter suture time compared with the SI group. Therefore, tracheal anastomosis using barbed sutures could be an effective alternative to conventional smooth sutures in dogs.
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KEYWORD
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barbed suture, dogs, suturing time, tensile force, tracheal anastomosis.
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