Bronchiolitis classification: Difference between revisions

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{{Bronchiolitis}}
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==Overview==
==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.<ref name="pmid14644923">{{cite journal| author=Ryu JH, Myers JL, Swensen SJ| title=Bronchiolar disorders. | journal=Am J Respir Crit Care Med | year= 2003 | volume= 168 | issue= 11 | pages= 1277-92 | pmid=14644923 | doi=10.1164/rccm.200301-053SO | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=14644923  }} </ref>Based on the Bronchiolitis Severity Score (BSS), bronchiolitis is classified into 4 classes.
Bronchiolitis should be classified in order to understand how it may occur and the clinical manifestations that may be observed. Bronchiolitis is classified based on the patient's age and the different [[histological]] forms of the [[disease]]. According to age, bronchiolitis is classified as either [[Adult|adult]] or [[infant]]. Based on the different [[histological]] features, it can be classified as acute [[infectious]] bronchiolitis, [[bronchiolitis obliterans]], [[proliferative bronchiolitis]], [[diffuse]] [[panbronchiolitis]], or [[respiratory]] bronchiolitis. Based on the Bronchiolitis Severity Score (BSS), [[bronchiolitis]] is classified into 4 classes.


==Classification==
==Classification==
*Bronchiolitis can be classified based on the age and the different clinical and histological forms as the following:<ref name="pmid14644923">{{cite journal| author=Ryu JH, Myers JL, Swensen SJ| title=Bronchiolar disorders. | journal=Am J Respir Crit Care Med | year= 2003 | volume= 168 | issue= 11 | pages= 1277-92 | pmid=14644923 | doi=10.1164/rccm.200301-053SO | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=14644923  }}</ref><ref name="pmid8313665">{{cite journal| author=King TE| title=Overview of bronchiolitis. | journal=Clin Chest Med | year= 1993 | volume= 14 | issue= 4 | pages= 607-10 | pmid=8313665 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8313665  }}</ref>
Bronchiolitis may be classified in the following ways:


=== Classification based on age ===
Based on age, brochiolitis may be classified as:
* Adult bronchiolitis 
* Infantile bronchiolitis 


{{Family tree/start}}
=== Classification based on [[histological]] forms ===
{{Family tree | | | | | | | | | | | | A01 | | | | | | | | |A01='''Bronchiolitis'''|}}
Based on [[histological]] form, bronchiolitis may be classified as: <ref name="pmid14644923">{{cite journal| author=Ryu JH, Myers JL, Swensen SJ| title=Bronchiolar disorders. | journal=Am J Respir Crit Care Med | year= 2003 | volume= 168 | issue= 11 | pages= 1277-92 | pmid=14644923 | doi=10.1164/rccm.200301-053SO | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=14644923  }} </ref><ref name="pmid8313665">{{cite journal| author=King TE| title=Overview of bronchiolitis. | journal=Clin Chest Med | year= 1993 | volume= 14 | issue= 4 | pages= 607-10 | pmid=8313665 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8313665  }}</ref>{{Family tree/start}}
{{Family tree | | | | | |,|-|-|-|-|-|-|^|-|-|-|-|-|-|-|.| | | | | |}}
{{Family tree | | | | | | | | | A01 | | | | | | | | |A01='''Bronchiolitis'''|}}
{{Family tree | | | | | B01 | | | | | | | | | | | | | B02 | |B01=Age|B02=Histological and clinical forms|}}  
{{Family tree | | | | | | | | | |!| | | | | |}}
{{Family tree | | |,|-|-|^|-|-|.| | | |,|-|-|-|v|-|-|-|+|-|-|-|v|}}  
{{Family tree | | | | | | | | | B01 | |B01=Histological|}}  
{{Family tree | | C01 | | | | C02 | | C04 | | C05 | | C06 | | C07 |C01=Adult|C02=Infantile|C03=Acute bronchiolitis|C04=Constrictive brocnhiolitis|C05=Proliferative bronchiolitis|C06=Panbronchiolitis|C07=Follicular bronchiolitis|}}
{{Family tree | | | |,|-|-|-|v|-|^|-|v|-|-|-|.|}}  
{{Family tree | | | C01 | | C02 | | C03 | | C04 |C01=Constrictive bronchiolitis|C02=Proliferative bronchiolitis|C03=Panbronchiolitis|C04=Follicular bronchiolitis|}}
{{Family tree/end}}
{{Family tree/end}}


 
=== Classification based on Bronchiolitis Severity Score (BSS) ===
*Based on the Bronchiolitis Severity Score (BSS), bronchiolitis is classified into 4 classes as the following:  
Based on Bronchiolitis Severity Score (BSS), bronchiolitis may be classified into 4 classes as follows:<ref name="pmid1731571">{{cite journal| author=Wang EE, Milner RA, Navas L, Maj H| title=Observer agreement for respiratory signs and oximetry in infants hospitalized with lower respiratory infections. | journal=Am Rev Respir Dis | year= 1992 | volume= 145 | issue= 1 | pages= 106-9 | pmid=1731571 | doi=10.1164/ajrccm/145.1.106 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=1731571  }} </ref>
{| class="wikitable"
{| class="wikitable"
! '''Score'''
! '''Score'''
! '''Respiratory Rate'''
! '''Respiratory Rate/minute'''
! '''Wheezing'''
! '''Wheezing'''
! '''Retraction'''
! '''Retraction'''
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| 1
| 1
| 30–45
| 30–45
| Terminal expiration or only with stethoscope
| Terminal [[expiration]] or only with [[stethoscope]]
| Intercostal
| Intercostal
|  
|  
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| 2
| 2
| 46–60
| 46–60
| Entire expiration or audible on expiration without stethoscope
| Entire [[expiration]] or audible on [[expiration]] without [[stethoscope]]
| Tracheosternal
| Tracheosternal
|  
|  
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| 3
| 3
| >60
| >60
| Inspiration and expiration without stethoscope
| [[Inspiration]] and [[expiration]] without [[stethoscope]]
|  
|  
| Irritability, lethargy, poor feeding
| Irritability, lethargy, poor feeding
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{{Reflist|2}}
{{Reflist|2}}


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Latest revision as of 20:43, 29 July 2020

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Ahmed Elsaiey, MBBCH [2]

Overview

Bronchiolitis should be classified in order to understand how it may occur and the clinical manifestations that may be observed. Bronchiolitis is classified based on the patient's age and the different histological forms of the disease. According to age, bronchiolitis is classified as either adult or infant. Based on the different histological features, it can be classified as acute infectious bronchiolitis, bronchiolitis obliterans, proliferative bronchiolitis, diffuse panbronchiolitis, or respiratory bronchiolitis. Based on the Bronchiolitis Severity Score (BSS), bronchiolitis is classified into 4 classes.

Classification

Bronchiolitis may be classified in the following ways:

Classification based on age

Based on age, brochiolitis may be classified as:

  • Adult bronchiolitis
  • Infantile bronchiolitis

Classification based on histological forms

Based on histological form, bronchiolitis may be classified as: [1][2]

 
 
 
 
 
 
 
 
Bronchiolitis
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Histological
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Constrictive bronchiolitis
 
Proliferative bronchiolitis
 
Panbronchiolitis
 
Follicular bronchiolitis

Classification based on Bronchiolitis Severity Score (BSS)

Based on Bronchiolitis Severity Score (BSS), bronchiolitis may be classified into 4 classes as follows:[3]

Score Respiratory Rate/minute 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. 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.
  2. King TE (1993). "Overview of bronchiolitis". Clin Chest Med. 14 (4): 607–10. PMID 8313665.
  3. Wang EE, Milner RA, Navas L, Maj H (1992). "Observer agreement for respiratory signs and oximetry in infants hospitalized with lower respiratory infections". Am Rev Respir Dis. 145 (1): 106–9. doi:10.1164/ajrccm/145.1.106. PMID 1731571.


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