Pullout strength for three suture patterns used for canine tracheal anastomosis

Veterinary Surgery : VS
Jackie L DemetriouThomas R Sissener

Abstract

To compare pullout strength of 3 suture patterns used for canine tracheal anastomosis. Experimental study. Cadaveric canine tracheae (n = 20). Tracheal segments were anastomosed with 1 of 3 suture patterns: simple continuous, simple interrupted, and simple interrupted reinforced with horizontal mattress, each encircling annular cartilage rings adjacent to the transection site. Horizontal mattress sutures encircled the annular rings proximal and distal to the rings closest to the anastomosis. Each construct was distracted (0.5 mm/s) in a materials testing machine to failure. Load-displacement curves were generated and failure load (pullout strength) determined and mode of failure recorded. Tracheal anastomosis with a simple interrupted pattern was significantly weaker (mean+/-SD pullout strength, 102.55+/-30.14 N) than simple continuous (135.53+/-15.47 N) or simple interrupted plus horizontal mattress (132.39+/-21.46 N), which were not different from each other. Mode of failure was consistently by suture tear out. Both simple continuous and simple interrupted reinforced with horizontal mattress suture patterns have significant biomechanical advantage over a simple interrupted pattern alone in canine cadaveric tracheal anastomosi...Continue Reading

References

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Citations

Jun 1, 2010·The Laryngoscope·Peter N SchiltStacey L Halum
Aug 4, 2016·Journal of the American Animal Hospital Association·Eleni BasdaniIoannis Tsokataridis
Dec 17, 2014·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·Yusuf Ozgur BicerSinan Seyhan
Apr 25, 2012·Otolaryngology--head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery·Peter N SchiltStacey L Halum
Jun 26, 2020·Journal of Veterinary Emergency and Critical Care·Michelle R JoffeMara C Hickey

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