ArticleFrontiers in veterinary science2024
Patient-specific 3D-printed nasopharyngeal stents in dogs: a cadaveric pilot study.
Article in Frontiers in veterinary science, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Surgical reconstruction using a mucosal graft and temporary nasal stent in a cat with severe nasal stenosis.The Canadian veterinary journal = La revue veterinaire canadienne · 2026Article
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Background: Currently available treatment options for nasopharyngeal stenosis and imperforate nasopharynx in dogs and cats are fraught with complications and failures. Objective: To develop patient-specific nasopharyngeal stents using 3D-printed molds and to assess placement and fit of stents within the nasopharynx. Animals: Six canine cadavers. Methods: Patient-specific nasopharyngeal silicone stents were generated using 3D-printed molds based on CT scans. A placement protocol was developed. Post-placement, goodness of fit within the nasopharynx was evaluated and compared to currently used methods. Mechanical properties of silicone stents were compared to catheter-based and nitinol stents. Results: Development and placement of stents was successful in all six cadavers. Silicone stents offered stiffness (force required for compression, N) and post-load deformation comparable to nitinol stents (1.8-6.2 vs. 1.2-3.3 N and 0.02-0.08 vs. 0.01-0.14 mm, respectively). Patient-specific stents offered superior goodness of fit in the nasopharynx (81-90%) compared to bilateral red rubber catheters (16.2-33.8%). Conclusion: Development and placement of patient-specific stents using 3D printed molds was successful in all six cadavers. The novel stents exhibited similar mechanical properties and superior goodness of fit compared to commercially available stents, potentially offering a better alternative to commercially available stents. Further investigation is needed in animals with nasopharyngeal stenosis to determine efficacy and to assess utility in live patients.
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