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Permanent intramural stenting with polyethylene catheter to resolve parotid salivary duct stenosis secondary to sialolithiasis.
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  • M. Lahuerta,
  • Marco Figoli,
  • Valentina Vitale,
  • Ana Velloso Alvarez
M. Lahuerta
Universidad Cardenal Herrera-CEU CEU Universities
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Marco Figoli
Universidad Cardenal Herrera-CEU CEU Universities
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Valentina Vitale
Universidad Cardenal Herrera-CEU CEU Universities
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Ana Velloso Alvarez
Universidad Cardenal Herrera-CEU CEU Universities

Corresponding Author:[email protected]

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Abstract

Sialolithiasis is an uncommon condition of the salivary gland in the horse, primarily affecting the parotid salivary duct. Clinical signs may include salivary stasis within the gland and potential progression to sialadenitis, facial draining tract, or a permanent fistula. A 19-year-old Warmblood gelding was referred with severe septic sialadenitis of the right parotid gland. A 4 cm sialolith was detected radiographically and removed surgically. Although surgery was uneventful and patency of the salivary duct was assessed intra-operatively, mild accumulation of saliva within the gland was noted one day later. A stenosis caudal to where the sialolith was lodged was diagnosed through contrast radiography. Balloon dilatation of the stenosis was attempted unsatisfactorily and a polyethylene catheter was placed and sutured to the oral mucosa to maintain the parotid empty. A week later, the oral portion of the catheter was chewed by the horse, preventing catheter removal without surgery. Subsequently, ultrasonographic and radiographic re-evaluations were performed routinely to assess the patency of the catheter or complications associated with long-term placement. After 1 year, no salivary stasis in the gland or complications were observed. This is the first description of successful long-term indwelling catheter placement to resolve stenosis of the salivary duct. This procedure offers a simple, economical, and safe option compared to more complicated or invasive techniques previously described in horses, with excellent functional and cosmetic results.
25 Jul 2024Submitted to Equine Veterinary Education
25 Jul 2024Submission Checks Completed
25 Jul 2024Assigned to Editor
29 Jul 2024Reviewer(s) Assigned
30 Aug 2024Review(s) Completed, Editorial Evaluation Pending
04 Sep 2024Editorial Decision: Revise Minor
29 Sep 20241st Revision Received
01 Oct 2024Submission Checks Completed
01 Oct 2024Assigned to Editor
07 Oct 2024Reviewer(s) Assigned