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Comparison of sequential anterior and posterior rhinomanometry
The Journal of Allergy and Clinical Immunology
|October 1, 1985
Summary
Summing anterior nasal measurements (ARM) is less accurate for total nasal patency than posterior rhinomanometry (PRM). PRM offers precise, instantaneous nasal airflow quantification, though ARM may suffice for studies tracking significant nasal patency changes.
Area of Science:
- Otolaryngology
- Respiratory Physiology
Background:
- Nasal patency is crucial for respiration.
- Anterior rhinomanometry (ARM) is a common method to assess nasal airflow.
- The accuracy of summed ARM for total nasal patency requires validation.
Purpose of the Study:
- To evaluate the validity of summed anterior nasal measurements for describing total nasal patency in adults.
- To compare the accuracy of anterior rhinomanometry (ARM) with posterior rhinomanometry (PRM).
Main Methods:
- Total nasal conductance was measured using posterior rhinomanometry (PRM) in 36 healthy adults.
- Results were compared with summed unilateral conductances obtained via anterior rhinomanometry (ARM).
- Linear regression analysis was used to assess the relationship between the two measurement techniques.
Main Results:
- Significant differences were observed between summed ARM and PRM measurements.
- Variation between methods included random time variation and method-specific differences.
- PRM demonstrated significantly greater consistency than summed ARM when compared to serial PRM measurements.
Conclusions:
- Posterior rhinomanometry (PRM) is significantly more accurate for precise, instantaneous quantification of total nasal patency.
- Summed anterior rhinomanometry (ARM) may be acceptable in clinical research focusing on substantial changes in nasal patency.
