Bronchiolitis classification
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Bronchiolitis is a wide ranged disease that affects the small respiratory airways (bronchioles). Bronchiolitis should be classified in order to understand how it may occur and the clinical manifestation that could be observed. It is classified based on the age and the different forms of the disease. According to age, it is classified into either adult or infants. Based on the different histological and clinical forms, it can be classified into acute infectious broncholitis, bronchiolitis obliterans, proliferative bronchiolitis, diffuse panbronchiolitis and respiratory bronchiolitis.[1]
Classification
Bronchiolitis can be classified based on the age and the different clinical and histological forms as the following:[1][2]
| Bronchiolitis | |||||||||||||||||||||||||||||||||||||||||||||||||||||
| Age | Histological and clinical forms | ||||||||||||||||||||||||||||||||||||||||||||||||||||
| Adult | Infantile | Constrictive brocnhiolitis | Proliferative bronchiolitis | Panbronchiolitis | Follicular bronchiolitis | ||||||||||||||||||||||||||||||||||||||||||||||||
Based on the Bronchiolitis Severity Score (BSS), bronchiolitis is classified into 4 classes as the following:
| Score | Respiratory Rate | Wheezing | Retraction | General Condition |
|---|---|---|---|---|
| 0 | <30 | None | None | Normal |
| 1 | 30–45 | Terminal expiration or only with stethoscope | Intercostal | |
| 2 | 46–60 | Entire expiration or audible on expiration without stethoscope | Tracheosternal | |
| 3 | >60 | Inspiration and expiration without stethoscope | Irritability, lethargy, poor feeding |
References
- ↑ 1.0 1.1 Ryu JH, Myers JL, Swensen SJ (2003). "Bronchiolar disorders". Am J Respir Crit Care Med. 168 (11): 1277–92. doi:10.1164/rccm.200301-053SO. PMID 14644923.
- ↑ King TE (1993). "Overview of bronchiolitis". Clin Chest Med. 14 (4): 607–10. PMID 8313665.