Measuring of Nasal Obstruction with Flowmeter and Classification of Nasal Endoscopic Evaluation

Česká verzia

Authors: Z. Knížek ¹; J. Vodička ^1,2; J. Jelínek ³; Z. Režný ⁴
Authors place of work: Klinika otorinolaryngologie a chirurgie hlavy a krku, NPK Pardubická nemocnice ¹; Fakulta zdravotnických studií, Univerzita Pardubice ²; Fakulta mechatroniky, informatiky a mezioborových studií, Technická univerzita v Liberci ³; Elmet, spol. s. r. o., Přelouč ⁴
Published in the journal: Otorinolaryngol Foniatr, 68, 2019, No. 3, pp. 143-149.
Category: Original Article

Summary

Aims: Measuring of nasal obstruction is not applied on most of ENT departments in the Czech Republic due to degree of cooperation required and time constraints. Flowmeter was developed as a simple device for measuring nasal obstruction. Aim of this study is to validate the device for use in ENT practice.

Methods: During 16 months we collected data of healthy subjects, patients with deviated nasal septum and eventually hypertrophy of turbinates. Each side of nasal cavity was classified in accordance to endoscopy findings into one of 6 groups (partly based on Mladina classification of deviated nasal septum). Subjective perception of nasal airway was measured by VAS (visual analogue scale). Airflow in each side of nasal cavity was evaluated with flowmeter (the result is in output voltage).

Results: 73 patients and total number of 146 sides of nasal cavity was included in the study. Group with the lowest degree of obstruction based on endoscopy findings has average VAS 8,34 and 5,42 V measured by flowmeter. Group with the highest degree of obstruction based on endoscopy findings has average VAS 4,0 and 4,29 V measured by flowmeter. Each patient was able to carry out the examination without problems or complications.

Conclusion: Flowmeter appears to be quick method of nasal obstruction measurement with low degree of patient´s cooperation required. We present our new classification of nasal endoscopic evaluation.

Keywords:

nasal obstruction – flowmetry – classification of nasal endoscopy

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