Helicobacter pylori infection epidemiology and demographics: Difference between revisions
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==Overview== | ==Overview== | ||
==Epidemiology and Demographics== | ==Epidemiology and Demographics== | ||
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Yamuna Kondapally, M.B.B.S[2]
Overview
Epidemiology and Demographics
Prevalence
- H.pylori inhabits more than 50% of world's population especially in developing countries.[1]
Age
- All age groups may develop H.pylori infection
- The prevalence of infection increases with age.[2]
- About 30%-50% of H.pylori infections are acquired during childhood which increases to 90% during adulthood in developing countries.[3]
- H.pylori infection in developed countries is less common in children and reaches upto 60% with increasing age.[4]
- In united states, 20% of adolescents are infected with H.pylori when compared to 90% in by 5 years of age in developing countries.[5]
Gender
- Males are more commonly affected with H.pylori infection than females.[6]
Race
- In United States, H.pylori infection is a common disease that tends to affect African Americans, Hispanics, and the elderly compared to whites.[7]
Developing countries
- The prevalence of H.pylori is higher in developing countries than that in developed countries.Khalifa MM, Sharaf RR, Aziz RK (2010). "Helicobacter pylori: a poor man's gut pathogen?". Gut Pathog. 2 (1): 2. doi:10.1186/1757-4749-2-2. PMC 2861632. PMID 20356368.Salih BA (2009). "Helicobacter pylori infection in developing countries: the burden for how long?". Saudi J Gastroenterol. 15 (3): 201–7. doi:10.4103/1319-3767.54743. PMC 2841423. PMID 19636185.
Developed countries
- The prevalence of H.pylori is declining in United States.
- In United states, approximately 25% of children between 6-19 years old are infected.[8]
References
- ↑ "Epidemiology of, and risk factors for, Helicobacter pylori infection among 3194 asymptomatic subjects in 17 populations. The EUROGAST Study Group". Gut. 34 (12): 1672–6. 1993. PMC 1374460. PMID 8282253.
- ↑ Mégraud F, Brassens-Rabbé MP, Denis F, Belbouri A, Hoa DQ (1989). "Seroepidemiology of Campylobacter pylori infection in various populations". J Clin Microbiol. 27 (8): 1870–3. PMC 267687. PMID 2549098.
- ↑ Cheng H, Hu F, Zhang L, Yang G, Ma J, Hu J; et al. (2009). "Prevalence of Helicobacter pylori infection and identification of risk factors in rural and urban Beijing, China". Helicobacter. 14 (2): 128–33. doi:10.1111/j.1523-5378.2009.00668.x. PMID 19298340.
- ↑ Go MF (2002). "Review article: natural history and epidemiology of Helicobacter pylori infection". Aliment Pharmacol Ther. 16 Suppl 1: 3–15. PMID 11849122.
- ↑ Frenck RW, Clemens J (2003). "Helicobacter in the developing world". Microbes Infect. 5 (8): 705–13. PMID 12814771.
- ↑ de Martel C, Parsonnet J (2006). "Helicobacter pylori infection and gender: a meta-analysis of population-based prevalence surveys". Dig. Dis. Sci. 51 (12): 2292–301. doi:10.1007/s10620-006-9210-5. PMID 17089189.
- ↑ Everhart, James E.; Kruszon‐Moran, Deanna; Perez‐Perez, Guillermo I.; Tralka, Tommie Sue; McQuillan, Geraldine (2000). "Seroprevalence and Ethnic Differences inHelicobacter pyloriInfection among Adults in the United States". The Journal of Infectious Diseases. 181 (4): 1359–1363. doi:10.1086/315384. ISSN 0022-1899.
- ↑ Staat MA, Kruszon-Moran D, McQuillan GM, Kaslow RA (1996). "A population-based serologic survey of Helicobacter pylori infection in children and adolescents in the United States". J. Infect. Dis. 174 (5): 1120–3. PMID 8896521.