Enterovirus 68 natural history, complications and prognosis: Difference between revisions
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==Natural History== | ==Natural History== | ||
*Enterovirus 68 | *Enterovirus 68 colonizes the respiratory mucosa. It is believed to be transmitted through respiratory droplets and is often detected by nasopharyngeal swabs of patients presenting with respiratory illness. Nonetheless, the incubation period of the virus is unknown. | ||
* | *The virus has been isolated among patients of all age groups, ranging from 1 month to 72 years. Although 4 to 5-year-old children are believed to be the most susceptible hosts, accounting for approximately 80% of all reported cases, newer reports are currently noting more adult infections.<ref name="pmid21802981">{{cite journal| author=Rahamat-Langendoen J, Riezebos-Brilman A, Borger R, van der Heide R, Brandenburg A, Schölvinck E et al.| title=Upsurge of human enterovirus 68 infections in patients with severe respiratory tract infections. | journal=J Clin Virol | year= 2011 | volume= 52 | issue= 2 | pages= 103-6 | pmid=21802981 | doi=10.1016/j.jcv.2011.06.019 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=21802981 }} </ref><ref name="pmid22694903">{{cite journal| author=Tokarz R, Firth C, Madhi SA, Howie SR, Wu W, Sall AA et al.| title=Worldwide emergence of multiple clades of enterovirus 68. | journal=J Gen Virol | year= 2012 | volume= 93 | issue= Pt 9 | pages= 1952-8 | pmid=22694903 | doi=10.1099/vir.0.043935-0 | pmc=PMC3542132 | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=22694903 }} </ref><ref name="JacobsonRedd2012">{{cite journal|last1=Jacobson|first1=Lara M.|last2=Redd|first2=John T.|last3=Schneider|first3=Eileen|last4=Lu|first4=Xiaoyan|last5=Chern|first5=Shur-Wern W.|last6=Oberste|first6=M. Steven|last7=Erdman|first7=Dean D.|last8=Fischer|first8=Gayle E.|last9=Armstrong|first9=Gregory L.|last10=Kodani|first10=Maja|last11=Montoya|first11=Jennifer|last12=Magri|first12=Julie M.|last13=Cheek|first13=James E.|title=Outbreak of Lower Respiratory Tract Illness Associated With Human Enterovirus 68 Among American Indian Children|journal=The Pediatric Infectious Disease Journal|volume=31|issue=3|year=2012|pages=309–312|issn=0891-3668|doi=10.1097/INF.0b013e3182443eaf}}</ref> | ||
*The | *The clinical features of the virus are characterized by non-specific signs and symptoms including cough, dyspnea, wheezing, and other symptoms of bronchitis. Symptoms generally self-resolve witin 5 days of symptoms onset.<ref name="JacobsonRedd2012">{{cite journal|last1=Jacobson|first1=Lara M.|last2=Redd|first2=John T.|last3=Schneider|first3=Eileen|last4=Lu|first4=Xiaoyan|last5=Chern|first5=Shur-Wern W.|last6=Oberste|first6=M. Steven|last7=Erdman|first7=Dean D.|last8=Fischer|first8=Gayle E.|last9=Armstrong|first9=Gregory L.|last10=Kodani|first10=Maja|last11=Montoya|first11=Jennifer|last12=Magri|first12=Julie M.|last13=Cheek|first13=James E.|title=Outbreak of Lower Respiratory Tract Illness Associated With Human Enterovirus 68 Among American Indian Children|journal=The Pediatric Infectious Disease Journal|volume=31|issue=3|year=2012|pages=309–312|issn=0891-3668|doi=10.1097/INF.0b013e3182443eaf}}</ref><ref name="LuWo2013">{{cite journal|last1=Lu|first1=Q.-B.|last2=Wo|first2=Y.|last3=Wang|first3=H.-Y.|last4=Wei|first4=M.-T.|last5=Zhang|first5=L.|last6=Yang|first6=H.|last7=Liu|first7=E.-M.|last8=Li|first8=T.-Y.|last9=Zhao|first9=Z.-T.|last10=Liu|first10=W.|last11=Cao|first11=W.-C.|title=Detection of enterovirus 68 as one of the commonest types of enterovirus found in patients with acute respiratory tract infection in China|journal=Journal of Medical Microbiology|volume=63|issue=Pt_3|year=2013|pages=408–414|issn=0022-2615|doi=10.1099/jmm.0.068247-0}}</ref><ref name="ImamuraSuzuki2014">{{cite journal|last1=Imamura|first1=Tadatsugu|last2=Suzuki|first2=Akira|last3=Lupisan|first3=Socorro|last4=Kamigaki|first4=Taro|last5=Okamoto|first5=Michiko|last6=Roy|first6=Chandra Nath|last7=Olveda|first7=Remigio|last8=Oshitani|first8=Hitoshi|title=Detection of enterovirus 68 in serum from pediatric patients with pneumonia and their clinical outcomes|journal=Influenza and Other Respiratory Viruses|volume=8|issue=1|year=2014|pages=21–24|issn=17502640|doi=10.1111/irv.12206}}</ref><ref name="PirallaGirello2014">{{cite journal|last1=Piralla|first1=Antonio|last2=Girello|first2=Alessia|last3=Grignani|first3=Michela|last4=Gozalo-Margüello|first4=Monica|last5=Marchi|first5=Antonietta|last6=Marseglia|first6=Gianluigi|last7=Baldanti|first7=Fausto|title=Phylogenetic characterization of enterovirus 68 strains in patients with respiratory syndromes in Italy|journal=Journal of Medical Virology|volume=86|issue=9|year=2014|pages=1590–1593|issn=01466615|doi=10.1002/jmv.23821}}</ref> | ||
*The disease can progress to severe [[respiratory distress]] and patients may require [[oxygen]] supplementation and hospital admission. Patients usually stay from 1 to 6 days in the hospital.<ref name="JacobsonRedd2012">{{cite journal|last1=Jacobson|first1=Lara M.|last2=Redd|first2=John T.|last3=Schneider|first3=Eileen|last4=Lu|first4=Xiaoyan|last5=Chern|first5=Shur-Wern W.|last6=Oberste|first6=M. Steven|last7=Erdman|first7=Dean D.|last8=Fischer|first8=Gayle E.|last9=Armstrong|first9=Gregory L.|last10=Kodani|first10=Maja|last11=Montoya|first11=Jennifer|last12=Magri|first12=Julie M.|last13=Cheek|first13=James E.|title=Outbreak of Lower Respiratory Tract Illness Associated With Human Enterovirus 68 Among American Indian Children|journal=The Pediatric Infectious Disease Journal|volume=31|issue=3|year=2012|pages=309–312|issn=0891-3668|doi=10.1097/INF.0b013e3182443eaf}}</ref> <ref name="PirallaGirello2014">{{cite journal|last1=Piralla|first1=Antonio|last2=Girello|first2=Alessia|last3=Grignani|first3=Michela|last4=Gozalo-Margüello|first4=Monica|last5=Marchi|first5=Antonietta|last6=Marseglia|first6=Gianluigi|last7=Baldanti|first7=Fausto|title=Phylogenetic characterization of enterovirus 68 strains in patients with respiratory syndromes in Italy|journal=Journal of Medical Virology|volume=86|issue=9|year=2014|pages=1590–1593|issn=01466615|doi=10.1002/jmv.23821}}</ref> | *The disease can progress to severe [[respiratory distress]] and patients may require [[oxygen]] supplementation and hospital admission. Patients usually stay from 1 to 6 days in the hospital.<ref name="JacobsonRedd2012">{{cite journal|last1=Jacobson|first1=Lara M.|last2=Redd|first2=John T.|last3=Schneider|first3=Eileen|last4=Lu|first4=Xiaoyan|last5=Chern|first5=Shur-Wern W.|last6=Oberste|first6=M. Steven|last7=Erdman|first7=Dean D.|last8=Fischer|first8=Gayle E.|last9=Armstrong|first9=Gregory L.|last10=Kodani|first10=Maja|last11=Montoya|first11=Jennifer|last12=Magri|first12=Julie M.|last13=Cheek|first13=James E.|title=Outbreak of Lower Respiratory Tract Illness Associated With Human Enterovirus 68 Among American Indian Children|journal=The Pediatric Infectious Disease Journal|volume=31|issue=3|year=2012|pages=309–312|issn=0891-3668|doi=10.1097/INF.0b013e3182443eaf}}</ref> <ref name="PirallaGirello2014">{{cite journal|last1=Piralla|first1=Antonio|last2=Girello|first2=Alessia|last3=Grignani|first3=Michela|last4=Gozalo-Margüello|first4=Monica|last5=Marchi|first5=Antonietta|last6=Marseglia|first6=Gianluigi|last7=Baldanti|first7=Fausto|title=Phylogenetic characterization of enterovirus 68 strains in patients with respiratory syndromes in Italy|journal=Journal of Medical Virology|volume=86|issue=9|year=2014|pages=1590–1593|issn=01466615|doi=10.1002/jmv.23821}}</ref> | ||
*The disease can progress in the minority of cases to pneumonia, asthma exacerbations, and severe respiratory distress. Patients may require hospitalization, oxygen supplementation, or less commonly mechanical ventilation. The majority of patients requiring intensive care hospitalization are those with a history of pulmonary disease, such as asthma, cystic fibrosis, or lung transplantation.<ref name="JacobsonRedd2012">{{cite journal|last1=Jacobson|first1=Lara M.|last2=Redd|first2=John T.|last3=Schneider|first3=Eileen|last4=Lu|first4=Xiaoyan|last5=Chern|first5=Shur-Wern W.|last6=Oberste|first6=M. Steven|last7=Erdman|first7=Dean D.|last8=Fischer|first8=Gayle E.|last9=Armstrong|first9=Gregory L.|last10=Kodani|first10=Maja|last11=Montoya|first11=Jennifer|last12=Magri|first12=Julie M.|last13=Cheek|first13=James E.|title=Outbreak of Lower Respiratory Tract Illness Associated With Human Enterovirus 68 Among American Indian Children|journal=The Pediatric Infectious Disease Journal|volume=31|issue=3|year=2012|pages=309–312|issn=0891-3668|doi=10.1097/INF.0b013e3182443eaf}}</ref><ref name="LuWo2013">{{cite journal|last1=Lu|first1=Q.-B.|last2=Wo|first2=Y.|last3=Wang|first3=H.-Y.|last4=Wei|first4=M.-T.|last5=Zhang|first5=L.|last6=Yang|first6=H.|last7=Liu|first7=E.-M.|last8=Li|first8=T.-Y.|last9=Zhao|first9=Z.-T.|last10=Liu|first10=W.|last11=Cao|first11=W.-C.|title=Detection of enterovirus 68 as one of the commonest types of enterovirus found in patients with acute respiratory tract infection in China|journal=Journal of Medical Microbiology|volume=63|issue=Pt_3|year=2013|pages=408–414|issn=0022-2615|doi=10.1099/jmm.0.068247-0}}</ref><ref name="ImamuraSuzuki2014">{{cite journal|last1=Imamura|first1=Tadatsugu|last2=Suzuki|first2=Akira|last3=Lupisan|first3=Socorro|last4=Kamigaki|first4=Taro|last5=Okamoto|first5=Michiko|last6=Roy|first6=Chandra Nath|last7=Olveda|first7=Remigio|last8=Oshitani|first8=Hitoshi|title=Detection of enterovirus 68 in serum from pediatric patients with pneumonia and their clinical outcomes|journal=Influenza and Other Respiratory Viruses|volume=8|issue=1|year=2014|pages=21–24|issn=17502640|doi=10.1111/irv.12206}}</ref><ref name="PirallaGirello2014">{{cite journal|last1=Piralla|first1=Antonio|last2=Girello|first2=Alessia|last3=Grignani|first3=Michela|last4=Gozalo-Margüello|first4=Monica|last5=Marchi|first5=Antonietta|last6=Marseglia|first6=Gianluigi|last7=Baldanti|first7=Fausto|title=Phylogenetic characterization of enterovirus 68 strains in patients with respiratory syndromes in Italy|journal=Journal of Medical Virology|volume=86|issue=9|year=2014|pages=1590–1593|issn=01466615|doi=10.1002/jmv.23821}}</ref> | |||
*The | |||
==Complications== | ==Complications== | ||
Revision as of 15:43, 10 September 2014
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: João André Alves Silva, M.D. [2] Alejandro Lemor, M.D. [3]
Overview
The natural history of Enterovirus 68 is poorly understood due to scarcity of data. The virus may produce a spectrum of clinical disease, ranging from an asymptomatic course to severe respiratory symptoms necessitating hospitalization. Prognosis is generally good, but few reports of fatalities have been documented. Approximately 16-21% of patients suffer from enterovirus 68-associated complications. Common complications, such as superimposed infections and severe pneumonia requiring mechanical ventilation, are more likely to occur among patients with a history of pulmonary disease.
Natural History
- Enterovirus 68 colonizes the respiratory mucosa. It is believed to be transmitted through respiratory droplets and is often detected by nasopharyngeal swabs of patients presenting with respiratory illness. Nonetheless, the incubation period of the virus is unknown.
- The virus has been isolated among patients of all age groups, ranging from 1 month to 72 years. Although 4 to 5-year-old children are believed to be the most susceptible hosts, accounting for approximately 80% of all reported cases, newer reports are currently noting more adult infections.[1][2][3]
- The clinical features of the virus are characterized by non-specific signs and symptoms including cough, dyspnea, wheezing, and other symptoms of bronchitis. Symptoms generally self-resolve witin 5 days of symptoms onset.[3][4][5][6]
- The disease can progress to severe respiratory distress and patients may require oxygen supplementation and hospital admission. Patients usually stay from 1 to 6 days in the hospital.[3] [6]
- The disease can progress in the minority of cases to pneumonia, asthma exacerbations, and severe respiratory distress. Patients may require hospitalization, oxygen supplementation, or less commonly mechanical ventilation. The majority of patients requiring intensive care hospitalization are those with a history of pulmonary disease, such as asthma, cystic fibrosis, or lung transplantation.[3][4][5][6]
Complications
- Infection with EV-68 may be asymptomatic, or frequently cause cold-like symptoms.
- However, complications may be observed in 17% of cases[7], including severe pneumonia or co-infections with other pathogens, such as RSV, S. pneumoniae, CMV, Chlamydia pneumoniae, or Mycoplasma pneumoniae.[4]
- In rare cases, EV-68 causes disease of the CNS.[8][9]
Prognosis
- Most patients recover uneventfully.
- Asthmatic patient have an increased risk of developing severe disease.[10]
- One case report describes a fatal case of enterovirus 68 infection associated with pneumonia, flaccid paralysis and neurologic impairment. [11]
References
- ↑ Rahamat-Langendoen J, Riezebos-Brilman A, Borger R, van der Heide R, Brandenburg A, Schölvinck E; et al. (2011). "Upsurge of human enterovirus 68 infections in patients with severe respiratory tract infections". J Clin Virol. 52 (2): 103–6. doi:10.1016/j.jcv.2011.06.019. PMID 21802981.
- ↑ Tokarz R, Firth C, Madhi SA, Howie SR, Wu W, Sall AA; et al. (2012). "Worldwide emergence of multiple clades of enterovirus 68". J Gen Virol. 93 (Pt 9): 1952–8. doi:10.1099/vir.0.043935-0. PMC 3542132. PMID 22694903.
- ↑ 3.0 3.1 3.2 3.3 Jacobson, Lara M.; Redd, John T.; Schneider, Eileen; Lu, Xiaoyan; Chern, Shur-Wern W.; Oberste, M. Steven; Erdman, Dean D.; Fischer, Gayle E.; Armstrong, Gregory L.; Kodani, Maja; Montoya, Jennifer; Magri, Julie M.; Cheek, James E. (2012). "Outbreak of Lower Respiratory Tract Illness Associated With Human Enterovirus 68 Among American Indian Children". The Pediatric Infectious Disease Journal. 31 (3): 309–312. doi:10.1097/INF.0b013e3182443eaf. ISSN 0891-3668.
- ↑ 4.0 4.1 4.2 Lu, Q.-B.; Wo, Y.; Wang, H.-Y.; Wei, M.-T.; Zhang, L.; Yang, H.; Liu, E.-M.; Li, T.-Y.; Zhao, Z.-T.; Liu, W.; Cao, W.-C. (2013). "Detection of enterovirus 68 as one of the commonest types of enterovirus found in patients with acute respiratory tract infection in China". Journal of Medical Microbiology. 63 (Pt_3): 408–414. doi:10.1099/jmm.0.068247-0. ISSN 0022-2615.
- ↑ 5.0 5.1 Imamura, Tadatsugu; Suzuki, Akira; Lupisan, Socorro; Kamigaki, Taro; Okamoto, Michiko; Roy, Chandra Nath; Olveda, Remigio; Oshitani, Hitoshi (2014). "Detection of enterovirus 68 in serum from pediatric patients with pneumonia and their clinical outcomes". Influenza and Other Respiratory Viruses. 8 (1): 21–24. doi:10.1111/irv.12206. ISSN 1750-2640.
- ↑ 6.0 6.1 6.2 Piralla, Antonio; Girello, Alessia; Grignani, Michela; Gozalo-Margüello, Monica; Marchi, Antonietta; Marseglia, Gianluigi; Baldanti, Fausto (2014). "Phylogenetic characterization of enterovirus 68 strains in patients with respiratory syndromes in Italy". Journal of Medical Virology. 86 (9): 1590–1593. doi:10.1002/jmv.23821. ISSN 0146-6615.
- ↑ Meijer, Adam; van der Sanden, Sabine; Snijders, Bianca E.P.; Jaramillo-Gutierrez, Giovanna; Bont, Louis; van der Ent, Cornelis K.; Overduin, Pieter; Jenny, Shireen L.; Jusic, Edin; van der Avoort, Harrie G.A.M.; Smith, Gavin J.D.; Donker, Gé A.; Koopmans, Marion P.G. (2012). "Emergence and epidemic occurrence of enterovirus 68 respiratory infections in The Netherlands in 2010". Virology. 423 (1): 49–57. doi:10.1016/j.virol.2011.11.021. ISSN 0042-6822.
- ↑ Lu QB, Wo Y, Wang HY, Wei MT, Zhang L, Yang H; et al. (2014). "Detection of enterovirus 68 as one of the commonest types of enterovirus found in patients with acute respiratory tract infection in China". J Med Microbiol. 63 (Pt 3): 408–14. doi:10.1099/jmm.0.068247-0. PMID 24324030.
- ↑ Justin D. Kreuter, Arti Barnes, James E. McCarthy, Joseph D. Schwartzman, M. Steven Oberste, C. Harker Rhodes, John F. Modlin & Peter F. Wright (2011). "A fatal central nervous system enterovirus 68 infection". Archives of pathology & laboratory medicine. 135 (6): 793–796. doi:10.1043/2010-0174-CR.1. PMID 21631275. Unknown parameter
|month=ignored (help) - ↑ Hasegawa, S.; Hirano, R.; Okamoto-Nakagawa, R.; Ichiyama, T.; Shirabe, K. (2011). "Enterovirus 68 infection in children with asthma attacks: virus-induced asthma in Japanese children". Allergy. 66 (12): 1618–1620. doi:10.1111/j.1398-9995.2011.02725.x. ISSN 0105-4538.
- ↑ Justin D. Kreuter, Arti Barnes, James E. McCarthy, Joseph D. Schwartzman, M. Steven Oberste, C. Harker Rhodes, John F. Modlin & Peter F. Wright (2011). "A fatal central nervous system enterovirus 68 infection". Archives of pathology & laboratory medicine. 135 (6): 793–796. doi:10.1043/2010-0174-CR.1. PMID 21631275. Unknown parameter
|month=ignored (help)