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Computational fluid dynamic modelling of maxillary sinus irrigation after maxillary antrostomy and modified endoscopic medial maxillectomy

Published online by Cambridge University Press:  20 April 2021

Z Turfe ,
K Zhao ,
J N Palmer  and
J R Craig
Z Turfe*
Affiliation:
Department of Otolaryngology, Henry Ford Health System, Detroit, USA
K Zhao
Affiliation:
Department of Otolaryngology, The Ohio State University, Columbus, USA Department of Biomedical Engineering, The Ohio State University, Columbus, USA
J N Palmer
Affiliation:
Department of Otolaryngology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, USA
J R Craig
Affiliation:
Department of Otolaryngology, Henry Ford Health System, Detroit, USA
*
Author for correspondence: Dr Zaahir Turfe, Henry Ford Health System, 2799 W Grand Blvd, Detroit48202, USA E-mail: turfezaa@gmail.com Fax: +1313 916 7263
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Abstract

Objective

For recalcitrant chronic maxillary sinusitis, modified endoscopic medial maxillectomy has been shown to be clinically beneficial after failed maxillary antrostomy as endoscopic medial maxillectomy may offer improved topical therapy delivery. This study compared irrigation patterns after maxillary antrostomy versus endoscopic medial maxillectomy, using computational fluid dynamic modelling.

Case report

A 54-year-old female with left chronic maxillary sinusitis underwent maxillary antrostomy, followed by endoscopic medial maxillectomy. Computational fluid dynamic models were created after each surgery and used to simulate irrigations.

Results

After maxillary antrostomy, irrigation penetrated the maxillary sinus at 0.5 seconds, initially contacting the posterior wall. The maxillary sinus was half-filled at 2 seconds, and completely filled at 4 seconds. After endoscopic medial maxillectomy, irrigation penetrated the maxillary sinus at 0.5 seconds and immediately contacted all maxillary sinus walls. The maxillary sinus was completely filled by 2 seconds.

Conclusion

Computational fluid dynamic modelling demonstrated that endoscopic medial maxillectomy allowed faster, more forceful irrigation to all maxillary sinus walls compared with maxillary antrostomy.

Keywords

Maxillary SinusEndoscopicSinusitis
Type
Clinical Records
Information
The Journal of Laryngology & Otology , Volume 135 , Issue 6 , June 2021 , pp. 555 - 559
Copyright
Copyright © The Author(s), 2021. Published by Cambridge University Press

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Footnotes

Dr Z Turfe takes responsibility for the integrity of the content of the paper

Presented as a poster at the Combined Otolaryngology Spring Meeting, 19 April 2018, National Harbor, Maryland, USA.

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