Abstract：
:It is a weak point of environmental medicine that health disturbances, e.g. functional affections of the upper respiratory tract, cannot be objectively judged by physicians resp. researchers. In this study, the validity of acoustic rhinometry, a method giving information on cross-sectional areas of the upper airways by means of ultrasound probing, was tested in 40 volunteers seven times during one year. Furthermore, using a simplified model of the nose the accuracy of this method to measure the minimal cross-sectional area (MCA) in the nose was tested. The measurements were extremely confounded by the mode of connection to the nose (e.g. selected adapter, direction of application) and by the MCA in the nasal cavity. Statistical analyses showed a good reproducibility of measurements repeated within minutes, but suggested an intrapersonal variability over the analyzed examination phases due to apparatus independent factors. However, this variability could not be explained by influencing and confounding factors obtained by questionnaire, medical history, and physical examination. The test model showed little to great errors (1.5 to 568.5%) between the actual and the measured MCA, depending on the diameter. It is concluded that the method of acoustic rhinometry has to be standardized before it's value for environmental medicine can finally be judged. Further studies are necessary that should focus among others on factors influencing the variability of MCA and the effect of MCA on the measurement of the area behind the MCA. So far, the use of acoustic rhinometry for the evaluation of nasal function cannot be recommended.
journal_name
Int J Hyg Environ Healthauthors
Wiesmüller GA,Steup A,Ranft U,Bachert Cdoi
10.1078/S1438-4639(04)70008-5keywords:
subject
Has Abstractpub_date
2000-03-01 00:00:00pages
55-64issue
1eissn
1438-4639issn
1618-131Xpii
S1438-4639(04)70008-5journal_volume
203pub_type
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