Computational Analysis of the Mature Unilateral Cleft Lip Nasal Deformity on Nasal Patency.

dc.contributor.author

Frank-Ito, Dennis O

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Carpenter, David J

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Cheng, Tracy

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Avashia, Yash J

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Brown, David A

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Glener, Adam

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Allori, Alexander

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Marcus, Jeffrey R

dc.date.accessioned

2019-09-01T15:01:26Z

dc.date.available

2019-09-01T15:01:26Z

dc.date.issued

2019-05-16

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2019-09-01T15:01:24Z

dc.description.abstract

Background:Nasal airway obstruction (NAO) due to nasal anatomic deformities is known to be more common among cleft patients than the general population, yet information is lacking regarding severity and variability of cleft-associated nasal obstruction relative to other conditions causing NAO. This preliminary study compares differences in NAO experienced by unilateral cleft lip nasal deformity (uCLND) subjects with noncleft subjects experiencing NAO. Methods:Computational modeling techniques based on patient-specific computed tomography images were used to quantify the nasal airway anatomy and airflow dynamics in 21 subjects: 5 healthy normal subjects; 8 noncleft NAO subjects; and 8 uCLND subjects. Outcomes reported include Nasal Obstruction Symptom Evaluation (NOSE) scores, cross-sectional area, and nasal resistance. Results:uCLND subjects had significantly larger cross-sectional area differences between the left and right nasal cavities at multiple cross sections compared with normal and NAO subjects. Median and interquartile range (IQR) NOSE scores between NAO and uCLND were 75 (IQR = 22.5) and 67.5 (IQR = 30), respectively. Airflow partition difference between both cavities were: median = 9.4%, IQR = 10.9% (normal); median = 31.9%, IQR = 25.0% (NAO); and median = 29.9%, IQR = 44.1% (uCLND). Median nasal resistance difference between left and right nasal cavities were 0.01 pa.s/ml (IQR = 0.03 pa.s/ml) for normal, 0.09 pa.s/ml (IQR = 0.16 pa.s/ml) for NAO and 0.08 pa.s/ml (IQR = 0.25 pa.s/ml) for uCLND subjects. Conclusions:uCLND subjects demonstrated significant asymmetry between both sides of the nasal cavity. Furthermore, there exists substantial disproportionality in flow partition difference and resistance difference between cleft and noncleft sides among uCLND subjects, suggesting that both sides may be dysfunctional.

dc.identifier.issn

2169-7574

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2169-7574

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https://hdl.handle.net/10161/19250

dc.language

eng

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Ovid Technologies (Wolters Kluwer Health)

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Plastic and reconstructive surgery. Global open

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10.1097/GOX.0000000000002244

dc.title

Computational Analysis of the Mature Unilateral Cleft Lip Nasal Deformity on Nasal Patency.

dc.type

Journal article

duke.contributor.orcid

Frank-Ito, Dennis O|0000-0002-9683-8355

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Brown, David A|0000-0002-0616-0617

duke.contributor.orcid

Allori, Alexander|0000-0003-3334-9877

pubs.begin-page

e2244

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5

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School of Medicine

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Duke

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Duke Innovation & Entrepreneurship

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Initiatives

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Institutes and Provost's Academic Units

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Pediatrics

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Clinical Science Departments

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Surgery, Plastic, Maxillofacial, and Oral Surgery

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Surgery

pubs.publication-status

Published

pubs.volume

7

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