Clinician assessment of paranasal sinus pneumatization is correlated with total sinus volume

Marino, Michael J., Riley, Charles A., Kessler, Raymond H. and McCoul, Edward D. (2016) Clinician assessment of paranasal sinus pneumatization is correlated with total sinus volume. International Forum of Allergy and Rhinology, 6 10: 1088-1093. doi:10.1002/alr.21779


Author Marino, Michael J.
Riley, Charles A.
Kessler, Raymond H.
McCoul, Edward D.
Title Clinician assessment of paranasal sinus pneumatization is correlated with total sinus volume
Journal name International Forum of Allergy and Rhinology   Check publisher's open access policy
ISSN 2042-6984
2042-6976
Publication date 2016-10-01
Sub-type Article (original research)
DOI 10.1002/alr.21779
Open Access Status Not yet assessed
Volume 6
Issue 10
Start page 1088
End page 1093
Total pages 6
Place of publication Hoboken, NJ 07030 United States
Publisher John Wiley & Sons
Language eng
Abstract The Assessment of Pneumatization of the Paranasal Sinuses (APPS) score is a novel and validated instrument for comprehensively evaluating the pneumatization pattern of the sinuses. Previous studies on the relationship between sinus pneumatization and clinical parameters have been hindered by cumbersome volume analysis. The purpose of this study was to determine whether the APPS score correlates with total sinus volume.

Semiautomated 3-dimensional (3D) volume analysis of 20 consecutive sinus computed tomography (CT) scans was performed. Total paranasal sinus volume (TSV) for each scan was then calculated. Relative total paranasal sinus volume (RTSV) was calculated by dividing TSV by the volume of the right globe. An independent reviewer then scored each CT scan using the APPS instrument. The elapsed time to perform 3D analysis and APPS scoring was recorded for each CT scan.

The APPS score was strongly correlated with TSV by Pearson's correlation coefficient (r = 0.893). The coefficient of determination (r(2) ) was 0.797. The APPS score was also strongly correlated with RTSV (r = 0.851, r(2) = 0.724). The mean elapsed time of 3D volume analysis for each CT scan was significantly greater than for APPS scoring (1187 vs. 37 seconds, p < 0.001).

The APPS score correlates strongly with both TSV and RTSV. Evaluation of paranasal sinus pneumatization by APPS score is also significantly faster than a semiautomated method for 3D volumes. The APPS instrument can be used to study large populations for relationships between clinical parameters and sinus volume.
Formatted abstract
Background: The Assessment of Pneumatization of the Paranasal Sinuses (APPS) score is a novel and validated instrument for comprehensively evaluating the pneumatization pattern of the sinuses. Previous studies on the relationship between sinus pneumatization and clinical parameters have been hindered by cumbersome volume analysis. The purpose of this study was to determine whether the APPS score correlates with total sinus volume.

Methods: Semiautomated 3-dimensional (3D) volume analysis of 20 consecutive sinus computed tomography (CT) scans was performed. Total paranasal sinus volume (TSV) for each scan was then calculated. Relative total paranasal sinus volume (RTSV) was calculated by dividing TSV by the volume of the right globe. An independent reviewer then scored each CT scan using the APPS instrument. The elapsed time to perform 3D analysis and APPS scoring was recorded for each CT scan.

Results: The APPS score was strongly correlated with TSV by Pearson's correlation coefficient (r = 0.893). The coefficient of determination (r2) was 0.797. The APPS score was also strongly correlated with RTSV (r = 0.851, r2 = 0.724). The mean elapsed time of 3D volume analysis for each CT scan was significantly greater than for APPS scoring (1187 vs. 37 seconds, p < 0.001).

Conclusion: The APPS score correlates strongly with both TSV and RTSV. Evaluation of paranasal sinus pneumatization by APPS score is also significantly faster than a semiautomated method for 3D volumes. The APPS instrument can be used to study large populations for relationships between clinical parameters and sinus volume.
Keyword 3-dimensional
Computed tomography
Paranasal sinuses
Pneumatization
Sinus volume
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
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