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==Epidemiology and Demographics==
==Epidemiology and Demographics==
===Incidence===
===Incidence===
*[[Caplan syndrome]] is very rare in the United States. [[Incidence]] is currently 1 in 100,000 people but is likely to fall as the coal mining industry declines.<ref name="pmidPMID: 29763061.">{{cite journal| author=| title=StatPearls | journal= | year= 2021 | volume=  | issue=  | pages=  | pmid=PMID: 29763061. | doi= | pmc= | url= }} </ref>
*[[Caplan syndrome]] is very rare in the United States. [[Incidence]] is currently 1 in 100,000 people but is likely to fall as the coal mining industry declines.<ref name="pmidPMID: 29763061.">{{cite journal| author=| title=StatPearls | journal= | year= 2021 | volume=  | issue=  | pages=  | pmid=PMID: 29763061. | doi= | pmc= | url= }} </ref>


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*The [[prevalence]] of [[Caplan syndrome]] is estimated to be very low.<ref name="pmidPMID: 29763061.">{{cite journal| author=| title=StatPearls | journal= | year= 2021 | volume=  | issue=  | pages=  | pmid=PMID: 29763061. | doi= | pmc= | url= }} </ref>
*The [[prevalence]] of [[Caplan syndrome]] is estimated to be very low.<ref name="pmidPMID: 29763061.">{{cite journal| author=| title=StatPearls | journal= | year= 2021 | volume=  | issue=  | pages=  | pmid=PMID: 29763061. | doi= | pmc= | url= }} </ref>
* Most recent study showed the prevalence of [[Caplan syndrome]] n Japan is 0.75% and in the USA it is 0.89%. No recent study on the prevalence in Europe.<ref name="Benedek1973">{{cite journal|last1=Benedek|first1=Thomas G.|title=Rheumatoid pneumoconiosis|journal=The American Journal of Medicine|volume=55|issue=4|year=1973|pages=515–524|issn=00029343|doi=10.1016/0002-9343(73)90209-X}}</ref>


===case-fatality rate/Mortality rate===
===case-fatality rate/Mortality rate===
*Mortality rate in Caplan syndrome is very low except in association with black lung caused by coal worker pneumoconiosis.<ref name="ShawCollins2015">{{cite journal|last1=Shaw|first1=Megan|last2=Collins|first2=Bridget F.|last3=Ho|first3=Lawrence A.|last4=Raghu|first4=Ganesh|title=Rheumatoid arthritis-associated lung disease|journal=European Respiratory Review|volume=24|issue=135|year=2015|pages=1–16|issn=0905-9180|doi=10.1183/09059180.00008014}}</ref>
*Mortality rate in Caplan syndrome is very low except in association with black lung caused by coal worker pneumoconiosis.<ref name="ShawCollins2015">{{cite journal|last1=Shaw|first1=Megan|last2=Collins|first2=Bridget F.|last3=Ho|first3=Lawrence A.|last4=Raghu|first4=Ganesh|title=Rheumatoid arthritis-associated lung disease|journal=European Respiratory Review|volume=24|issue=135|year=2015|pages=1–16|issn=0905-9180|doi=10.1183/09059180.00008014}}</ref>


===Age===
===Age===
* Caplan syndrome commonly affects individuals older than 18 years of age as Caplan syndrome is common in miners with exposure to coal, silica, asbestos, and other inhalable organic dust. <ref name="AlayaBraham2018">{{cite journal|last1=Alaya|first1=Zeineb|last2=Braham|first2=Mouna|last3=Aissa|first3=Sana|last4=Kalboussi|first4=Houda|last5=Bouajina|first5=Elyès|title=A case of Caplan syndrome in a recently diagnosed patient with silicosis: A case report|journal=Radiology Case Reports|volume=13|issue=3|year=2018|pages=663–666|issn=19300433|doi=10.1016/j.radcr.2018.03.004}}</ref>
 
* Aveerage age of first radiographic appearance of Caplan syndrome is 54 years. The age range is 41 to 64 years of age. <ref name="LindarsDavies1967">{{cite journal|last1=Lindars|first1=D. C.|last2=Davies|first2=D.|title=Rheumatoid pneumoconiosis: A study in colliery populations in the East Midlands coalfield|journal=Thorax|volume=22|issue=6|year=1967|pages=525–532|issn=0040-6376|doi=10.1136/thx.22.6.525}}</ref><ref name="AlayaBraham2018">{{cite journal|last1=Alaya|first1=Zeineb|last2=Braham|first2=Mouna|last3=Aissa|first3=Sana|last4=Kalboussi|first4=Houda|last5=Bouajina|first5=Elyès|title=A case of Caplan syndrome in a recently diagnosed patient with silicosis: A case report|journal=Radiology Case Reports|volume=13|issue=3|year=2018|pages=663–666|issn=19300433|doi=10.1016/j.radcr.2018.03.004}}</ref>


===Race===
===Race===
*There is no racial predilection to Caplan syndrome.
*There is no racial predilection to Caplan syndrome.


===Gender===
===Gender===
*There is no study available on gender.
*There is no study available on gender.


===Region===
===Region===
*The majority of [disease name] cases are reported in [geographical region].
*[Disease name] is a common/rare disease that tends to affect [patient population 1] and [patient population 2].
===Developed Countries===


===Developing Countries===
*The majority of [[Caplan syndrome]] cases are reported 0.75% in Japan and 1.5% in the United States.<ref>{{cite journal|title=Rheumatoid Pneumoconiosis: A Comparative Study of Autopsy Cases between Japan and North America|journal=The Annals of Occupational Hygiene|year=2002|issn=1475-3162|doi=10.1093/annhyg/46.suppl_1.265}}</ref>


==References==
==References==
{{Reflist|2}}
{{Reflist|2}}


[[Category:Pulmonology]]
[[Category:Pulmonology]]
[[Category:Rheumatology]]
[[Category:Rheumatology]]

Latest revision as of 02:13, 21 June 2021

Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Sharmi Biswas, M.B.B.S

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Overview

The incidence of Caplan syndrome is 1 in 100,000 people but it is decreasing due to the reduction of exposure to coal, silica, and asbestos. Silica exposure has the most prevalence of Caplan syndrome.

Epidemiology and Demographics

Incidence

  • Caplan syndrome is very rare in the United States. Incidence is currently 1 in 100,000 people but is likely to fall as the coal mining industry declines.[1]

Prevalence

case-fatality rate/Mortality rate

  • Mortality rate in Caplan syndrome is very low except in association with black lung caused by coal worker pneumoconiosis.[3]

Age

  • Aveerage age of first radiographic appearance of Caplan syndrome is 54 years. The age range is 41 to 64 years of age. [4][5]

Race

  • There is no racial predilection to Caplan syndrome.

Gender

  • There is no study available on gender.

Region

  • The majority of Caplan syndrome cases are reported 0.75% in Japan and 1.5% in the United States.[6]

References

  1. 1.0 1.1 "StatPearls". 2021. PMID 29763061. PMID: 29763061. Check |pmid= value (help).
  2. Benedek, Thomas G. (1973). "Rheumatoid pneumoconiosis". The American Journal of Medicine. 55 (4): 515–524. doi:10.1016/0002-9343(73)90209-X. ISSN 0002-9343.
  3. Shaw, Megan; Collins, Bridget F.; Ho, Lawrence A.; Raghu, Ganesh (2015). "Rheumatoid arthritis-associated lung disease". European Respiratory Review. 24 (135): 1–16. doi:10.1183/09059180.00008014. ISSN 0905-9180.
  4. Lindars, D. C.; Davies, D. (1967). "Rheumatoid pneumoconiosis: A study in colliery populations in the East Midlands coalfield". Thorax. 22 (6): 525–532. doi:10.1136/thx.22.6.525. ISSN 0040-6376.
  5. Alaya, Zeineb; Braham, Mouna; Aissa, Sana; Kalboussi, Houda; Bouajina, Elyès (2018). "A case of Caplan syndrome in a recently diagnosed patient with silicosis: A case report". Radiology Case Reports. 13 (3): 663–666. doi:10.1016/j.radcr.2018.03.004. ISSN 1930-0433.
  6. "Rheumatoid Pneumoconiosis: A Comparative Study of Autopsy Cases between Japan and North America". The Annals of Occupational Hygiene. 2002. doi:10.1093/annhyg/46.suppl_1.265. ISSN 1475-3162.