Nasal pressure calculation

Manuel Berger; Aris I. Giotakis; Martin Pillei; Andreas Mehrle; Michael Kraxner; Florian Kral; Wolfgang Recheis; Herbert Riechelmann; Wolfgang Freysinger

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Nasal pressure calculation

MB Manuel Berger

AG Aris I. Giotakis

MP Martin Pillei

AM Andreas Mehrle

MK Michael Kraxner

FK Florian Kral

WR Wolfgang Recheis

HR Herbert Riechelmann

WF Wolfgang Freysinger

This method is extracted from research article: Int J Comput Assist Radiol Surg, Mar 2021

Agreement between rhinomanometry and computed tomography-based computational fluid dynamics

DOI: 10.1007/s11548-021-02332-1

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To compare the AAR curves with the simulation results (simulated AAR), the pressure drop $Δ p = p 1 - p 2$ (Fig. 1b) of every single simulation was determined. Since there were 50 $Δ p$ evaluations per subject (25 $Δ p$ evaluations per side, 250 $Δ p$ evaluations for five subjects), this was automatized with a Python script. p1 was determined inside the sphere, p2 in the oropharynx. p1 corresponded to the AAR pressure acquired at the nasal entrance and p2 corresponded to the AAR pressure acquired in the nasopharynx. We observed no severe pressure variation between the nasopharynx and the position of the cuboid (Fig. 1b—color map).

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