Design of a nasopharyngeal tamponade device in canine cadavers (2024)

Allen-Deal, A., Lodzinska, J., Isaac, I., Llewellyn, E., Gow, A. (2024). Design of a nasopharyngeal tamponade device in canine cadavers. Journal of Veterinary Emergency and Critical Care, 1-6. Advance online publication. https://doi.org/10.1111/vec.13427

Allen-Deal, Anais ; Lodzinska, Joanna ; Isaac, Ingrid et al. / Design of a nasopharyngeal tamponade device in canine cadavers. In: Journal of Veterinary Emergency and Critical Care. 2024 ; pp. 1-6.

@article{b0294f0bb5d04d90907940574f9f10ba,

title = "Design of a nasopharyngeal tamponade device in canine cadavers",

abstract = "Objective: To evaluate the feasibility of an improvised tamponade device allowing direct pressure to be applied to the canine nasopharynx. Clinical usage includes compressing hemorrhaging vessels in the nasopharynx and creating a nasopharyngeal seal to allow topical therapy to be instilled into the rostral nasal cavity for epistaxis management.Design: Proof of concept study using canine cadaversMethods and Results: A tamponade device was made by placing a condom over a nasogastric tube and sutured equal to the length of the nasopharynx. The device was placed in the nasopharynx of canine cadavers via the nares and filled with diluted Ioversol. Placement was then confirmed with radiography and/or computed tomography. Concentrated Ioversol was infused into the rostral nasal cavity to assess for a nasopharyngeal seal defined as no Ioversol passing the device seen on imaging. Subjective assessment of adequate nasopharyngeal compression via digital palpation of the soft palate agreed with imaging findings.Repositioning was required in several cases, but with digital palpation initial placement was more accurate. Subsequent effective placement and a nasopharyngeal seal was achieved in all eight cadavers.Conclusion: This device can be placed in the canine nasopharynx and an adequate nasopharyngeal seal can be achieved allowing direct compression of the nasopharynx as well as filling of the nasal cavity with solutions. Confirmation of the placement using digital palpation and imaging was successful. Further studies are required to investigate use of this device in live patients.",

keywords = "Epistaxis, Hemorrhage",

author = "Anais Allen-Deal and Joanna Lodzinska and Ingrid Isaac and Efa Llewellyn and Adam Gow and Craig Breheny",

year = "2024",

month = nov,

day = "21",

doi = "10.1111/vec.13427",

language = "English",

pages = "1--6",

journal = "Journal of Veterinary Emergency and Critical Care",

issn = "1479-3261",

publisher = "Wiley-Blackwell",

}

Allen-Deal, A, Lodzinska, J, Isaac, I, Llewellyn, E, Gow, A 2024, 'Design of a nasopharyngeal tamponade device in canine cadavers', Journal of Veterinary Emergency and Critical Care, pp. 1-6. https://doi.org/10.1111/vec.13427

Design of a nasopharyngeal tamponade device in canine cadavers. / Allen-Deal, Anais ; Lodzinska, Joanna; Isaac, Ingrid et al.
In: Journal of Veterinary Emergency and Critical Care, 21.11.2024, p. 1-6.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Design of a nasopharyngeal tamponade device in canine cadavers

AU - Allen-Deal, Anais

AU - Lodzinska, Joanna

AU - Isaac, Ingrid

AU - Llewellyn, Efa

AU - Gow, Adam

AU - Breheny, Craig

PY - 2024/11/21

Y1 - 2024/11/21

N2 - Objective: To evaluate the feasibility of an improvised tamponade device allowing direct pressure to be applied to the canine nasopharynx. Clinical usage includes compressing hemorrhaging vessels in the nasopharynx and creating a nasopharyngeal seal to allow topical therapy to be instilled into the rostral nasal cavity for epistaxis management.Design: Proof of concept study using canine cadaversMethods and Results: A tamponade device was made by placing a condom over a nasogastric tube and sutured equal to the length of the nasopharynx. The device was placed in the nasopharynx of canine cadavers via the nares and filled with diluted Ioversol. Placement was then confirmed with radiography and/or computed tomography. Concentrated Ioversol was infused into the rostral nasal cavity to assess for a nasopharyngeal seal defined as no Ioversol passing the device seen on imaging. Subjective assessment of adequate nasopharyngeal compression via digital palpation of the soft palate agreed with imaging findings.Repositioning was required in several cases, but with digital palpation initial placement was more accurate. Subsequent effective placement and a nasopharyngeal seal was achieved in all eight cadavers.Conclusion: This device can be placed in the canine nasopharynx and an adequate nasopharyngeal seal can be achieved allowing direct compression of the nasopharynx as well as filling of the nasal cavity with solutions. Confirmation of the placement using digital palpation and imaging was successful. Further studies are required to investigate use of this device in live patients.

AB - Objective: To evaluate the feasibility of an improvised tamponade device allowing direct pressure to be applied to the canine nasopharynx. Clinical usage includes compressing hemorrhaging vessels in the nasopharynx and creating a nasopharyngeal seal to allow topical therapy to be instilled into the rostral nasal cavity for epistaxis management.Design: Proof of concept study using canine cadaversMethods and Results: A tamponade device was made by placing a condom over a nasogastric tube and sutured equal to the length of the nasopharynx. The device was placed in the nasopharynx of canine cadavers via the nares and filled with diluted Ioversol. Placement was then confirmed with radiography and/or computed tomography. Concentrated Ioversol was infused into the rostral nasal cavity to assess for a nasopharyngeal seal defined as no Ioversol passing the device seen on imaging. Subjective assessment of adequate nasopharyngeal compression via digital palpation of the soft palate agreed with imaging findings.Repositioning was required in several cases, but with digital palpation initial placement was more accurate. Subsequent effective placement and a nasopharyngeal seal was achieved in all eight cadavers.Conclusion: This device can be placed in the canine nasopharynx and an adequate nasopharyngeal seal can be achieved allowing direct compression of the nasopharynx as well as filling of the nasal cavity with solutions. Confirmation of the placement using digital palpation and imaging was successful. Further studies are required to investigate use of this device in live patients.

KW - Epistaxis

KW - Hemorrhage

U2 - 10.1111/vec.13427

DO - 10.1111/vec.13427

M3 - Article

SN - 1479-3261

SP - 1

EP - 6

JO - Journal of Veterinary Emergency and Critical Care

JF - Journal of Veterinary Emergency and Critical Care

ER -

Allen-Deal A, Lodzinska J, Isaac I, Llewellyn E, Gow A, Breheny C. Design of a nasopharyngeal tamponade device in canine cadavers. Journal of Veterinary Emergency and Critical Care. 2024 Nov 21;1-6. Epub 2024 Nov 21. doi: 10.1111/vec.13427