J Vet Sci.  2022 May;23(3):e46. 10.4142/jvs.21282.

Surgical outcomes in dogs with tracheal collapse treated with a novel crossand-hook braided endoluminal stent

• Uemura A
• Ozai Y
• Hamabe L
• Yoshida T
• Tanaka R

• KMID: 2530440
• DOI: http://doi.org/10.4142/jvs.21282

Abstract

Background
Stenting is an effective treatment option for tracheal collapse in dogs. Crossbraided tracheal stents are currently the norm in veterinary medicine, but cross-and-hook braided stents have recently been adopted in human medicine. We examined whether stents manufactured using this novel braiding technique provided additional advantages for the treatment of tracheal collapse in dogs.
Objectives
To evaluate the outcomes of cross-and-hook braided stent implantation in the treatment of tracheal collapse in dogs.
Methods
The medical records of 22 client-owned dogs that underwent luminal placement of cross-and-hook braided Fauna Stents for the treatment of tracheal collapse between January 2018 and July 2021 were examined and data on canine signalment, clinical signs, diagnostic test results, surgical outcomes, and postoperative complications were retrieved and analyzed statistically.
Results
Twenty-six stents were surgically implanted, with 20 dogs (90.9%) receiving one stent and the remaining two (9.1%) receiving two or more stents. All dogs survived the procedure. The median survival time at a median follow-up of 990 days was 879 days. At the final follow-up examination, loss or mild improvement of cough was observed in all dogs.
Conclusions
Compared with conventional lumen stents, the cross-and-hook braided Fauna Stent offered a higher survival rate and improved clinical symptoms in all patients. The results of this study suggest that the Fauna Stent may be a promising treatment option for dogs with tracheal collapse.

Keyword

Tracheal diseases; stents; dogs; minimally invasive surgical procedures