Numerical model of a nasal septal perforation

Orla Grant; Neil Bailie; John Watterson; Jonathan Cole; Geraldine Gallagher; Brendan Hanna

Numerical model of a nasal septal perforation

Orla Grant, Neil Bailie, John Watterson, Jonathan Cole, Geraldine Gallagher, Brendan Hanna

School of Mechanical and Aerospace Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

14 Citations (Scopus)

1 Downloads (Pure)

Abstract

This paper describes numerical simulation of airflow in a nose with a nasal septal perforation. Diseased airflow is compared to airflow in a healthy nasal model. The healthy model has been generated from CT scans from the Antrim Area Hospital ENT clinic and is close to being anatomically accurate. The nasal septal perforation has been superimposed on the healthy geometry using image manipulation software.

The flow is modeled as laminar, steady state, with the flow rates corresponding to quiet breathing at rest approximately 165ml/sec.

Healthy flow patterns show that the majority of the flow travels close to nasal septum, in the region close to the middle turbinate. In the diseased case, high shear stresses concentrated at the posterior region of the perforation explain bleeding associated with nasal perforations.

Original language	English
Title of host publication	Studies in Health Technology and Informatics: MEDINFO 2004: Proceedings of the 11th World Congress on Medical Informatics
Editors	Marius Fieschi, Enrico Coiera, Yu-Chan Jack Li
Publisher	IOS Press
Pages	1352 - 1356
Number of pages	5
Volume	107
ISBN (Electronic)	978-1-60750-949-3
ISBN (Print)	978-1-58603-444-3
Publication status	Published - Aug 2004
Event	MEDINFO 2004: 11th World Congress on Medical Informatics - San Francisco, United States Duration: 07 Sept 2004 → 11 Sept 2004

Publication series

Name	Studies in Health Technology and Informatics
Publisher	IOS Press
ISSN (Electronic)	0926-9630

Conference

Conference	MEDINFO 2004
Country/Territory	United States
City	San Francisco
Period	07/09/2004 → 11/09/2004

Keywords

nasal airflow
CFD
nasal septal perforation
upper respiratory tract

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Numerical model of a nasal septal perforation
© 2004 The Authors.
Final published version, 978 KBLicence: CC BY-NC

Cite this

Grant, O., Bailie, N., Watterson, J., Cole, J., Gallagher, G., & Hanna, B. (2004). Numerical model of a nasal septal perforation. In M. Fieschi, E. Coiera, & Y.-C. Jack Li (Eds.), Studies in Health Technology and Informatics: MEDINFO 2004: Proceedings of the 11th World Congress on Medical Informatics (Vol. 107, pp. 1352 - 1356). (Studies in Health Technology and Informatics). IOS Press.

Grant, Orla ; Bailie, Neil ; Watterson, John et al. / Numerical model of a nasal septal perforation. Studies in Health Technology and Informatics: MEDINFO 2004: Proceedings of the 11th World Congress on Medical Informatics. editor / Marius Fieschi ; Enrico Coiera ; Yu-Chan Jack Li. Vol. 107 IOS Press, 2004. pp. 1352 - 1356 (Studies in Health Technology and Informatics).

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title = "Numerical model of a nasal septal perforation",

abstract = "This paper describes numerical simulation of airflow in a nose with a nasal septal perforation. Diseased airflow is compared to airflow in a healthy nasal model. The healthy model has been generated from CT scans from the Antrim Area Hospital ENT clinic and is close to being anatomically accurate. The nasal septal perforation has been superimposed on the healthy geometry using image manipulation software.The flow is modeled as laminar, steady state, with the flow rates corresponding to quiet breathing at rest approximately 165ml/sec.Healthy flow patterns show that the majority of the flow travels close to nasal septum, in the region close to the middle turbinate. In the diseased case, high shear stresses concentrated at the posterior region of the perforation explain bleeding associated with nasal perforations.",

keywords = "nasal airflow, CFD, nasal septal perforation, upper respiratory tract",

author = "Orla Grant and Neil Bailie and John Watterson and Jonathan Cole and Geraldine Gallagher and Brendan Hanna",

year = "2004",

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language = "English",

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pages = "1352 -- 1356",

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booktitle = "Studies in Health Technology and Informatics: MEDINFO 2004: Proceedings of the 11th World Congress on Medical Informatics",

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Grant, O, Bailie, N, Watterson, J, Cole, J, Gallagher, G & Hanna, B 2004, Numerical model of a nasal septal perforation. in M Fieschi, E Coiera & Y-C Jack Li (eds), Studies in Health Technology and Informatics: MEDINFO 2004: Proceedings of the 11th World Congress on Medical Informatics. vol. 107, Studies in Health Technology and Informatics, IOS Press, pp. 1352 - 1356, MEDINFO 2004, San Francisco, California, United States, 07/09/2004.

Numerical model of a nasal septal perforation. / Grant, Orla; Bailie, Neil; Watterson, John et al.
Studies in Health Technology and Informatics: MEDINFO 2004: Proceedings of the 11th World Congress on Medical Informatics. ed. / Marius Fieschi; Enrico Coiera; Yu-Chan Jack Li. Vol. 107 IOS Press, 2004. p. 1352 - 1356 (Studies in Health Technology and Informatics).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

TY - GEN

T1 - Numerical model of a nasal septal perforation

AU - Grant, Orla

AU - Bailie, Neil

AU - Watterson, John

AU - Cole, Jonathan

AU - Gallagher, Geraldine

AU - Hanna, Brendan

PY - 2004/8

Y1 - 2004/8

N2 - This paper describes numerical simulation of airflow in a nose with a nasal septal perforation. Diseased airflow is compared to airflow in a healthy nasal model. The healthy model has been generated from CT scans from the Antrim Area Hospital ENT clinic and is close to being anatomically accurate. The nasal septal perforation has been superimposed on the healthy geometry using image manipulation software.The flow is modeled as laminar, steady state, with the flow rates corresponding to quiet breathing at rest approximately 165ml/sec.Healthy flow patterns show that the majority of the flow travels close to nasal septum, in the region close to the middle turbinate. In the diseased case, high shear stresses concentrated at the posterior region of the perforation explain bleeding associated with nasal perforations.

AB - This paper describes numerical simulation of airflow in a nose with a nasal septal perforation. Diseased airflow is compared to airflow in a healthy nasal model. The healthy model has been generated from CT scans from the Antrim Area Hospital ENT clinic and is close to being anatomically accurate. The nasal septal perforation has been superimposed on the healthy geometry using image manipulation software.The flow is modeled as laminar, steady state, with the flow rates corresponding to quiet breathing at rest approximately 165ml/sec.Healthy flow patterns show that the majority of the flow travels close to nasal septum, in the region close to the middle turbinate. In the diseased case, high shear stresses concentrated at the posterior region of the perforation explain bleeding associated with nasal perforations.

KW - nasal airflow

KW - CFD

KW - nasal septal perforation

KW - upper respiratory tract

M3 - Conference contribution

SN - 978-1-58603-444-3

VL - 107

T3 - Studies in Health Technology and Informatics

SP - 1352

EP - 1356

BT - Studies in Health Technology and Informatics: MEDINFO 2004: Proceedings of the 11th World Congress on Medical Informatics

A2 - Fieschi, Marius

A2 - Coiera, Enrico

A2 - Jack Li, Yu-Chan

PB - IOS Press

T2 - MEDINFO 2004

Y2 - 7 September 2004 through 11 September 2004

ER -

Numerical model of a nasal septal perforation

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