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The incidence of cryptococcal meningitis in is almost the same as in meningococcal meningitis<ref name="pmid8654513">{{cite journal| author=Hajjeh RA, Brandt ME, Pinner RW| title=Emergence of cryptococcal disease: epidemiologic perspectives 100 years after its discovery. | journal=Epidemiol Rev | year= 1995 | volume= 17 | issue= 2 | pages= 303-20 | pmid=8654513 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=8654513 }} </ref> with an incidence of one case per 100,000 persons.<ref name="pmid8654513" /> | |||
Prior to the introduction of highly active antiretroviral therapy (HAART) in the United States, yearly incidence rate of cryptococcal meningitis was on ascendancy with incidence of 6600 cases per 100,000 persons with AIDS<ref name="pmid12627365">{{cite journal| author=Mirza SA, Phelan M, Rimland D, Graviss E, Hamill R, Brandt ME et al.| title=The changing epidemiology of cryptococcosis: an update from population-based active surveillance in 2 large metropolitan areas, 1992-2000. | journal=Clin Infect Dis | year= 2003 | volume= 36 | issue= 6 | pages= 789-94 | pmid=12627365 | doi=10.1086/368091 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12627365 }} </ref> The incidence has decreased with the advent of HAART <ref name="pmid11125898">{{cite journal| author=van Elden LJ, Walenkamp AM, Lipovsky MM, Reiss P, Meis JF, de Marie S et al.| title=Declining number of patients with cryptococcosis in the Netherlands in the era of highly active antiretroviral therapy. | journal=AIDS | year= 2000 | volume= 14 | issue= 17 | pages= 2787-8 | pmid=11125898 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=11125898 }} </ref> although cases are still reported.<ref name="pmid10930155">{{cite journal| author=Hakim JG, Gangaidzo IT, Heyderman RS, Mielke J, Mushangi E, Taziwa A et al.| title=Impact of HIV infection on meningitis in Harare, Zimbabwe: a prospective study of 406 predominantly adult patients. | journal=AIDS | year= 2000 | volume= 14 | issue= 10 | pages= 1401-7 | pmid=10930155 | doi= | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=10930155 }} </ref> | |||
The worldwide incidence of cryptococcal meningitis is pegged at 1,000,000 annually according to an estimate by Centers for Disease Control and Prevention CDC in 2009<ref name="pmid19182676">{{cite journal| author=Park BJ, Wannemuehler KA, Marston BJ, Govender N, Pappas PG, Chiller TM| title=Estimation of the current global burden of cryptococcal meningitis among persons living with HIV/AIDS. | journal=AIDS | year= 2009 | volume= 23 | issue= 4 | pages= 525-30 | pmid=19182676 | doi=10.1097/QAD.0b013e328322ffac | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=19182676 }} </ref> with approximately half of these resulting in death.<ref name="pmid19182676" /> | |||
The predominate specie involved is cryptococcus neoformans, although there have been recent reports of incidence with Cryptococcus gattii Canada, Vancouver and the Pacific Northwestern United States<ref name="pmid15572442">{{cite journal| author=Kidd SE, Hagen F, Tscharke RL, Huynh M, Bartlett KH, Fyfe M et al.| title=A rare genotype of Cryptococcus gattii caused the cryptococcosis outbreak on Vancouver Island (British Columbia, Canada). | journal=Proc Natl Acad Sci U S A | year= 2004 | volume= 101 | issue= 49 | pages= 17258-63 | pmid=15572442 | doi=10.1073/pnas.0402981101 | pmc=535360 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=15572442 }} </ref><ref name="pmid17370514">{{cite journal| author=MacDougall L, Kidd SE, Galanis E, Mak S, Leslie MJ, Cieslak PR et al.| title=Spread of Cryptococcus gattii in British Columbia, Canada, and detection in the Pacific Northwest, USA. | journal=Emerg Infect Dis | year= 2007 | volume= 13 | issue= 1 | pages= 42-50 | pmid=17370514 | doi=10.3201/eid1301.060827 | pmc=2725832 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=17370514 }} </ref> | |||
==== Histoplasma meningitis ==== | |||
The incidence of Histoplasma meningitis is estimated to be 2.3 per 100,000 persons.<ref name="pmid480580" /> | |||
==== Blastomyces meningitis ==== | |||
The incidence of Blastomyces meningitis is estimated to be 0.2 per 100,000 persons.<ref name="pmid480580" /> | |||
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Rim Halaby; Prince Tano Djan, BSc, MBChB [2]
Overview
While cryptococccus and candida infections occur worldwide, other fungal infections tend to cluster in specific geographical regions.[1][2] The most common cause of fungal meningitis is Cryptococcus neoformans.[3][4][2]
Epidemiology
Incidence and prevalence
There is an increasing trend of fungal meningitis. This has been attributed to the following: [2][5]
- Enlarging population of high-risk immunosuppressed patients
- More successful pharmacological immunosuppression and chemotherapies
- Increase in numbers of patients living with human immunodeficiency virus (HIV) infection and the acquired immunodeficiency syndrome (AIDS)
- Migration of susceptible persons into hyperendemic areas
- Aging of the population
Cryptococcus Meningitis
- It is the most common cause of fungal meningitis.[6][4][2]
- Cryptococcus meningitis occurs worldwide but it is highly prevalent in southeast Asia and southern and east Africa where the prevalence of HIV is high.[7]
- It is a common opportunistic infection in patients with HIV and it is considered as an AIDS defining lesion. [8]
The incidence of cryptococcal meningitis in is almost the same as in meningococcal meningitis[9] with an incidence of one case per 100,000 persons.[9] Prior to the introduction of highly active antiretroviral therapy (HAART) in the United States, yearly incidence rate of cryptococcal meningitis was on ascendancy with incidence of 6600 cases per 100,000 persons with AIDS[10] The incidence has decreased with the advent of HAART [11] although cases are still reported.[12]
The worldwide incidence of cryptococcal meningitis is pegged at 1,000,000 annually according to an estimate by Centers for Disease Control and Prevention CDC in 2009[13] with approximately half of these resulting in death.[13]
The predominate specie involved is cryptococcus neoformans, although there have been recent reports of incidence with Cryptococcus gattii Canada, Vancouver and the Pacific Northwestern United States[14][15]
Histoplasma meningitis
The incidence of Histoplasma meningitis is estimated to be 2.3 per 100,000 persons.[5]
Blastomyces meningitis
The incidence of Blastomyces meningitis is estimated to be 0.2 per 100,000 persons.[5]
Coccidioido meningitis
- Coccidioidomycosis is only prevalent in the Western Hemisphere, especially in the southwestern United States and northwestern Mexico.
- The annual incidence of the disease is not known.
Age
Gender
Race
- Non-Caucasian race have a higher prediclection to developing fungal meningitis especially coccidioidal meningitis[16]
Developed Vs developing countries
Geographic Distribution of Endemic Fungi in The United States
- Blastomyces dermatiditis: Midwest and southeast of USA
- Coccidiodes immitis: Southwest of USA
- Histoplasma Capsulatum: Ohio, central Mississippi River Valley[17]
References
- ↑ Shankar SK, Mahadevan A, Sundaram C, Sarkar C, Chacko G, Lanjewar DN; et al. (2007). "Pathobiology of fungal infections of the central nervous system with special reference to the Indian scenario". Neurol India. 55 (3): 198–215. PMID 17921648.
- ↑ 2.0 2.1 2.2 2.3 Gottfredsson M, Perfect JR (2000). "Fungal meningitis". Semin Neurol. 20 (3): 307–22. doi:10.1055/s-2000-9394. PMID 11051295.
- ↑ Koroshetz WJ. Chapter 382. Chronic and Recurrent Meningitis. In: Longo DL, Fauci AS, Kasper DL, Hauser SL, Jameson JL, Loscalzo J, eds. Harrison's Principles of Internal Medicine. 18th ed. New York: McGraw-Hill; 2012.
- ↑ 4.0 4.1 Williamson PR, Jarvis JN, Panackal AA, Fisher MC, Molloy SF, Loyse A; et al. (2017). "Cryptococcal meningitis: epidemiology, immunology, diagnosis and therapy". Nat Rev Neurol. 13 (1): 13–24. doi:10.1038/nrneurol.2016.167. PMID 27886201.
- ↑ 5.0 5.1 5.2 Fraser DW, Ward JI, Ajello L, Plikaytis BD (1979). "Aspergillosis and other systemic mycoses. The growing problem". JAMA. 242 (15): 1631–5. PMID 480580.
- ↑ Koroshetz WJ. Chapter 382. Chronic and Recurrent Meningitis. In: Longo DL, Fauci AS, Kasper DL, Hauser SL, Jameson JL, Loscalzo J, eds. Harrison's Principles of Internal Medicine. 18th ed. New York: McGraw-Hill; 2012.
- ↑ Holmes CB, Losina E, Walensky RP, Yazdanpanah Y, Freedberg K (2003) Review of human immunodeficiency virus type 1-related opportunistic infections in Sub-Saharan Africa. Clin Infect Dis, 36, 652–662.
- ↑ Chariyalertsak S, Sirisanthana T, Saengwonloey O, Nelson K (2001) Clinical presentation and risk behaviors of patients with acquired immunodeficiency syndrome in Thailand, 1994–1998: Regional variation and temporal trends. Clin Infect Dis, 32, 955–962.
- ↑ 9.0 9.1 Hajjeh RA, Brandt ME, Pinner RW (1995). "Emergence of cryptococcal disease: epidemiologic perspectives 100 years after its discovery". Epidemiol Rev. 17 (2): 303–20. PMID 8654513.
- ↑ Mirza SA, Phelan M, Rimland D, Graviss E, Hamill R, Brandt ME; et al. (2003). "The changing epidemiology of cryptococcosis: an update from population-based active surveillance in 2 large metropolitan areas, 1992-2000". Clin Infect Dis. 36 (6): 789–94. doi:10.1086/368091. PMID 12627365.
- ↑ van Elden LJ, Walenkamp AM, Lipovsky MM, Reiss P, Meis JF, de Marie S; et al. (2000). "Declining number of patients with cryptococcosis in the Netherlands in the era of highly active antiretroviral therapy". AIDS. 14 (17): 2787–8. PMID 11125898.
- ↑ Hakim JG, Gangaidzo IT, Heyderman RS, Mielke J, Mushangi E, Taziwa A; et al. (2000). "Impact of HIV infection on meningitis in Harare, Zimbabwe: a prospective study of 406 predominantly adult patients". AIDS. 14 (10): 1401–7. PMID 10930155.
- ↑ 13.0 13.1 Park BJ, Wannemuehler KA, Marston BJ, Govender N, Pappas PG, Chiller TM (2009). "Estimation of the current global burden of cryptococcal meningitis among persons living with HIV/AIDS". AIDS. 23 (4): 525–30. doi:10.1097/QAD.0b013e328322ffac. PMID 19182676.
- ↑ Kidd SE, Hagen F, Tscharke RL, Huynh M, Bartlett KH, Fyfe M; et al. (2004). "A rare genotype of Cryptococcus gattii caused the cryptococcosis outbreak on Vancouver Island (British Columbia, Canada)". Proc Natl Acad Sci U S A. 101 (49): 17258–63. doi:10.1073/pnas.0402981101. PMC 535360. PMID 15572442.
- ↑ MacDougall L, Kidd SE, Galanis E, Mak S, Leslie MJ, Cieslak PR; et al. (2007). "Spread of Cryptococcus gattii in British Columbia, Canada, and detection in the Pacific Northwest, USA". Emerg Infect Dis. 13 (1): 42–50. doi:10.3201/eid1301.060827. PMC 2725832. PMID 17370514.
- ↑ Bouza E, Dreyer JS, Hewitt WL, Meyer RD (1981). "Coccidioidal meningitis. An analysis of thirty-one cases and review of the literature". Medicine (Baltimore). 60 (3): 139–72. PMID 7231152.
- ↑ Koroshetz WJ. Chapter 382. Chronic and Recurrent Meningitis. In: Longo DL, Fauci AS, Kasper DL, Hauser SL, Jameson JL, Loscalzo J, eds. Harrison's Principles of Internal Medicine. 18th ed. New York: McGraw-Hill; 2012.