Paradoxical Response to Cold Dry Air Provocation according to the Season in Allergic Rhinitis Patients
10.3342/kjorl-hns.2019.00087
- Author:
Ki Ik PARK
1
;
Tae Young JANG
;
Sung Hoon KIM
;
Ki Nam KIM
;
Young Hyo KIM
Author Information
1. Department of Otorhinolaryngology, Inha University School of Medicine, Incheon, Korea. inhaorl@inha.ac.kr
- Publication Type:Original Article
- Keywords:
Acoustic rhinometry;
Allergic rhinitis;
Nasal provocation tests
- MeSH:
Humans;
Methods;
Nasal Provocation Tests;
Rhinitis;
Rhinitis, Allergic;
Rhinometry, Acoustic;
Seasons
- From:Korean Journal of Otolaryngology - Head and Neck Surgery
2019;62(10):568-574
- CountryRepublic of Korea
- Language:Korean
-
Abstract:
BACKGROUND AND OBJECTIVES: We investigated the seasonal variation of nonspecific hyperreactivity by performing the cold dry air (CDA) provocation test in both summer and winter in patients with rhinitis. SUBJECTS AND METHOD: We performed the CDA provocation test in 57 patients with allergic rhinitis (AR) or non-allergic rhinitis (NAR). Depending on the season and the type of rhinitis, we divided patients into four groups (Summer AR group, n=17; Winter AR group, n=15; Summer NAR group, n=18 and Winter NAR group, n=7) and compared the changes in nasal symptoms, total nasal volume (TNV), and minimal cross-sectional area (MCA) measured by acoustic rhinometry after CDA provocation in each group. RESULTS: When the CDA provocation was performed for AR patients in summer, nasal symptoms improved slightly, which was significantly different from those shown in winter (Summer AR vs. Winter AR, p=0.012). In addition, there was a significant difference in symptom change between AR and NAR patients in the summer (Summer AR vs. Summer NAR, p=0.033). There was no significant difference in TNV or MCA changes after CDA provocation depending on the type of rhinitis and season (p>0.05). CONCLUSION: When performing CDA provocation in AR patients in summer, the examiner should pay attention to the possible paradoxical response.
