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Comparison between barbed and conventional sutures for longitudinal thelotomy closure in an ex-vivo bovine model
Neshan W Sarkisian1, Pierre-Yves Mulon1
1Department of Large Animal Clinical Sciences, University of Tennessee College of Veterinary Medicine, Knoxville, Tennessee, USA.
Objective:
To determine differences in suture time and bursting strength on a longitudinal thelotomy closure using innovative barbed versus conventional smooth suture materials.
Sample Population:
Twenty-four teats from 6 udders of culled beef cows.
Study Design:
Experimental ex-vivo surgical study.
Methods:
Thelotomies (length: 2 cm) were performed on every teat and randomly allocated to closure with either a 3-0 bidirectional barbed suture for both mucosa and connective layers or a conventional 3-layer suture, using 3-0 smooth polydioxanone. For both groups, skin was closed with 2-0 polypropylene monofilament suture. Duration of suturing time for inner layers and bursting strength of the repair were recorded and compared.
Results:
Suturing was faster with barbed versus conventional sutures (527.7 ± 64.5 versus 727.1 ± 60.7 s, respectively; P < 0.0001). However, bursting strength was not significantly different between the 2 types of sutures.
Conclusion:
Using the barbed suture significantly reduced the time required to suture the mucosa and conjunctiva layers, with no significant difference between sutures in their bursting strength.
Clinical Significance:
Bidirectional barbed suture material is suitable for closure of thelotomies in cattle.
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