Pyloric stenosis epidemiology and demographics: Difference between revisions

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==Overview==
==Overview==
The [[incidence]] of infantile pyloric stenosis is approximately 400 per 100,000 individuals worldwide and it is four times more common in males. It usually affects individuals of the Caucasian race. Asians individuals are less likely to develop infantile pyloric stenosis<nowiki/>. The [[prevalence]] of infantile pyloric stenosis in the course of 11 years (1989-1999) was approximately 7.3 per 100,000 individuals in one study. It is observed that the [[mortality rate]] of pyloric stenosis is very low and usually results from delays in [[diagnosis]] that causes severe [[dehydration]] and [[shock]].


==Epidemiology and Demographics==
==Epidemiology and Demographics==


===Incidence===
===Incidence===
 
* The [[incidence]] of infantile pyloric stenosis 400 per 100,000 individuals worldwide.<ref name="pmid9373863">{{cite journal| author=Schechter R, Torfs CP, Bateson TF| title=The epidemiology of infantile hypertrophic pyloric stenosis. | journal=Paediatr Perinat Epidemiol | year= 1997 | volume= 11 | issue= 4 | pages= 407-27 | pmid=9373863 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=9373863  }} </ref>
* Pyloric stenosis occurs in 1 of every 200-300 live births
 
===Gender===
* It is four times more common in males.
 
===Race===
* It is rare in Asians, and it is 2 to 3 times more common in Caucasian compared to African American babies.


===Prevalence===
===Prevalence===
*In one study the prevalence of congenital hypertrophic pyloric stenosis in Donetsk region in the course of 11 years (1989-1999) was 0.73:1000 or 1:1370 newborn infants annual with range of 0.54 to 1.01:1000.
* The [[prevalence]] of infantile pyloric stenosis in the course of 11 years (1989-1999) was approximately 7.3 per 100,000 individuals in one study.<ref name="pmid11944318">{{cite journal| author=Mukhin VN, Moskalenko VZ, Grona VN, Sopov GA, Linchevskiĭ GL| title=[Population prevalence of congenital hypertrophic pyloric stenosis in the Donetsk region of Ukraine]. | journal=Tsitol Genet | year= 2001 | volume= 35 | issue= 5 | pages= 60-4 | pmid=11944318 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=11944318  }} </ref>


===Case-fatality rate/Mortality rate===
===Mortality rate===
*In [year], the incidence of [disease name] is approximately [number range] per 100,000 individuals with a case-fatality rate/mortality rate of [number range]%.
* It is observed that the [[mortality rate]] of pyloric stenosis is very low and usually results from delays in [[diagnosis]] that causes severe [[dehydration]] and [[shock]].<ref name="pmid12637675">{{cite journal| author=Hernanz-Schulman M| title=Infantile hypertrophic pyloric stenosis. | journal=Radiology | year= 2003 | volume= 227 | issue= 2 | pages= 319-31 | pmid=12637675 | doi=10.1148/radiol.2272011329 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12637675  }} </ref>
*The case-fatality rate/mortality rate of [disease name] is approximately [number range].


===Age===
===Gender===
*Patients of all age groups may develop [disease name].
* Males are more commonly affected by infantile pyloric stenosis than females.<ref name="ChalyaManyama2015">{{cite journal|last1=Chalya|first1=Phillipo L.|last2=Manyama|first2=Mange|last3=Kayange|first3=Neema M.|last4=Mabula|first4=Joseph B.|last5=Massenga|first5=Alicia|title=Infantile hypertrophic pyloric stenosis at a tertiary care hospital in Tanzania: a surgical experience with 102 patients over a 5-year period|journal=BMC Research Notes|volume=8|issue=1|year=2015|issn=1756-0500|doi=10.1186/s13104-015-1660-4}}</ref>
*The incidence of [disease name] increases with age; the median age at diagnosis is [#] years.
*[Disease name] commonly affects individuals younger than/older than [number of years] years of age.  
*[Chronic disease name] is usually first diagnosed among [age group].
*[Acute disease name] commonly affects [age group].


* The male to female ratio is approximately 4 to 1.
===Race===
===Race===
*There is no racial predilection to [disease name].
* Infantile pyloric stenosis usually affects individuals of the Caucasian race.<ref name="pmid9373863" />
*[Disease name] usually affects individuals of the [race 1] race. [Race 2] individuals are less likely to develop [disease name].
* Asians individuals are less likely to develop Infantile pyloric stenosis.
===Gender===
* [[Incidence]] of infantile pyloric stenosis according to race include:
*[Disease name] affects men and women equally.
** '''White''' - 240 per 100,000 individuals
*[Gender 1] are more commonly affected by [disease name] than [gender 2]. The [gender 1] to [gender 2] ratio is approximately [number > 1] to 1.
** '''Hispanic''' - 180 per 100,000 individuals
===Region===
** '''Black''' - 70 per 100,000 individuals
*The majority of [disease name] cases are reported in [geographical region].
** '''Asian''' - 60 per 100,000 individuals
 
*[Disease name] is a common/rare disease that tends to affect [patient population 1] and [patient population 2].
 
===Developed Countries===
 
===Developing Countries===
 


=== Age ===
* Infantile pyloric stenosis commonly affects infants.<ref name="pmid9373863">{{cite journal| author=Schechter R, Torfs CP, Bateson TF| title=The epidemiology of infantile hypertrophic pyloric stenosis. | journal=Paediatr Perinat Epidemiol | year= 1997 | volume= 11 | issue= 4 | pages= 407-27 | pmid=9373863 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=9373863  }} </ref>


==References==
==References==
{{Reflist|2}}
{{Reflist|2}}
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Latest revision as of 16:42, 11 December 2017

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

Overview

The incidence of infantile pyloric stenosis is approximately 400 per 100,000 individuals worldwide and it is four times more common in males. It usually affects individuals of the Caucasian race. Asians individuals are less likely to develop infantile pyloric stenosis. The prevalence of infantile pyloric stenosis in the course of 11 years (1989-1999) was approximately 7.3 per 100,000 individuals in one study. It is observed that the mortality rate of pyloric stenosis is very low and usually results from delays in diagnosis that causes severe dehydration and shock.

Epidemiology and Demographics

Incidence

  • The incidence of infantile pyloric stenosis 400 per 100,000 individuals worldwide.[1]

Prevalence

  • The prevalence of infantile pyloric stenosis in the course of 11 years (1989-1999) was approximately 7.3 per 100,000 individuals in one study.[2]

Mortality rate

Gender

  • Males are more commonly affected by infantile pyloric stenosis than females.[4]
  • The male to female ratio is approximately 4 to 1.

Race

  • Infantile pyloric stenosis usually affects individuals of the Caucasian race.[1]
  • Asians individuals are less likely to develop Infantile pyloric stenosis.
  • Incidence of infantile pyloric stenosis according to race include:
    • White - 240 per 100,000 individuals
    • Hispanic - 180 per 100,000 individuals
    • Black - 70 per 100,000 individuals
    • Asian - 60 per 100,000 individuals

Age

  • Infantile pyloric stenosis commonly affects infants.[1]

References

  1. 1.0 1.1 1.2 Schechter R, Torfs CP, Bateson TF (1997). "The epidemiology of infantile hypertrophic pyloric stenosis". Paediatr Perinat Epidemiol. 11 (4): 407–27. PMID 9373863.
  2. Mukhin VN, Moskalenko VZ, Grona VN, Sopov GA, Linchevskiĭ GL (2001). "[Population prevalence of congenital hypertrophic pyloric stenosis in the Donetsk region of Ukraine]". Tsitol Genet. 35 (5): 60–4. PMID 11944318.
  3. Hernanz-Schulman M (2003). "Infantile hypertrophic pyloric stenosis". Radiology. 227 (2): 319–31. doi:10.1148/radiol.2272011329. PMID 12637675.
  4. Chalya, Phillipo L.; Manyama, Mange; Kayange, Neema M.; Mabula, Joseph B.; Massenga, Alicia (2015). "Infantile hypertrophic pyloric stenosis at a tertiary care hospital in Tanzania: a surgical experience with 102 patients over a 5-year period". BMC Research Notes. 8 (1). doi:10.1186/s13104-015-1660-4. ISSN 1756-0500.

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