Global hospital admissions and in-hospital mortality associated with all-cause and virus-specific acute lower respiratory infections in children and adolescents aged 5-19 years between 1995 and 2019: a systematic review and modelling study. Wang, X., Li, Y., Mei, X., Bushe, E., Campbell, H., & Nair, H. BMJ global health, 6(7):e006014, July, 2021.
doi  abstract   bibtex   
INTRODUCTION: The burden of acute lower respiratory infections (ALRI), and common viral ALRI aetiologies among 5-19 years are less well understood. We conducted a systematic review to estimate global burden of all-cause and virus-specific ALRI in 5-19 years. METHODS: We searched eight databases and Google for studies published between 1995 and 2019 and reporting data on burden of all-cause ALRI or ALRI associated with influenza virus, respiratory syncytial virus, human metapneumovirus and human parainfluenza virus. We assessed risk of bias using a modified Newcastle-Ottawa Scale. We developed an analytical framework to report burden by age, country and region when there were sufficient data (all-cause and influenza-associated ALRI hospital admissions). We estimated all-cause ALRI in-hospital deaths and hospital admissions for ALRI associated with respiratory syncytial virus, human metapneumovirus and human parainfluenza virus by region. RESULTS: Globally, an estimated 5.5 million (UR 4.0-7.8) all-cause ALRI hospital admissions occurred annually between 1995 and 2019 in 5-19 year olds, causing 87 900 (UR 40 300-180 600) in-hospital deaths annually. Influenza virus and respiratory syncytial virus were associated with 1 078 600 (UR 4 56 500-2 650 200) and 231 800 (UR 142 700-3 73 200) ALRI hospital admissions in 5-19 years. Human metapneumovirus and human parainfluenza virus were associated with 105 500 (UR 57 200-181 700) and 124 800 (UR 67 300-228 500) ALRI hospital admissions in 5-14 years. About 55% of all-cause ALRI hospital admissions and 63% of influenza-associated ALRI hospital admissions occurred in those 5-9 years globally. All-cause and influenza-associated ALRI hospital admission rates were highest in upper-middle income countries, Asia-Pacific region and the Latin America and Caribbean region. CONCLUSION: Incidence and mortality data for all-cause and virus-specific ALRI in 5-19 year olds are scarce. The lack of data in low-income countries and Eastern Europe and Central Asia, South Asia, and West and Central Africa warrants efforts to improve the development and access to healthcare services, diagnostic capacity, and data reporting.
@article{wang_global_2021,
	title = {Global hospital admissions and in-hospital mortality associated with all-cause and virus-specific acute lower respiratory infections in children and adolescents aged 5-19 years between 1995 and 2019: a systematic review and modelling study},
	volume = {6},
	issn = {2059-7908},
	shorttitle = {Global hospital admissions and in-hospital mortality associated with all-cause and virus-specific acute lower respiratory infections in children and adolescents aged 5-19 years between 1995 and 2019},
	doi = {10.1136/bmjgh-2021-006014},
	abstract = {INTRODUCTION: The burden of acute lower respiratory infections (ALRI), and common viral ALRI aetiologies among 5-19 years are less well understood. We conducted a systematic review to estimate global burden of all-cause and virus-specific ALRI in 5-19 years.
METHODS: We searched eight databases and Google for studies published between 1995 and 2019 and reporting data on burden of all-cause ALRI or ALRI associated with influenza virus, respiratory syncytial virus, human metapneumovirus and human parainfluenza virus. We assessed risk of bias using a modified Newcastle-Ottawa Scale. We developed an analytical framework to report burden by age, country and region when there were sufficient data (all-cause and influenza-associated ALRI hospital admissions). We estimated all-cause ALRI in-hospital deaths and hospital admissions for ALRI associated with respiratory syncytial virus, human metapneumovirus and human parainfluenza virus by region.
RESULTS: Globally, an estimated 5.5 million (UR 4.0-7.8) all-cause ALRI hospital admissions occurred annually between 1995 and 2019 in 5-19 year olds, causing 87 900 (UR 40 300-180 600) in-hospital deaths annually. Influenza virus and respiratory syncytial virus were associated with 1 078 600 (UR 4 56 500-2 650 200) and 231 800 (UR 142 700-3 73 200) ALRI hospital admissions in 5-19 years. Human metapneumovirus and human parainfluenza virus were associated with 105 500 (UR 57 200-181 700) and 124 800 (UR 67 300-228 500) ALRI hospital admissions in 5-14 years. About 55\% of all-cause ALRI hospital admissions and 63\% of influenza-associated ALRI hospital admissions occurred in those 5-9 years globally. All-cause and influenza-associated ALRI hospital admission rates were highest in upper-middle income countries, Asia-Pacific region and the Latin America and Caribbean region.
CONCLUSION: Incidence and mortality data for all-cause and virus-specific ALRI in 5-19 year olds are scarce. The lack of data in low-income countries and Eastern Europe and Central Asia, South Asia, and West and Central Africa warrants efforts to improve the development and access to healthcare services, diagnostic capacity, and data reporting.},
	language = {eng},
	number = {7},
	journal = {BMJ global health},
	author = {Wang, Xin and Li, You and Mei, Xin and Bushe, Erin and Campbell, Harry and Nair, Harish},
	month = jul,
	year = {2021},
	pmid = {34261758},
	pmcid = {PMC8281096},
	keywords = {Adolescent, Child, Global Health, Hospital Mortality, Hospitalization, Hospitals, Humans, Respiratory Tract Infections, epidemiology, paediatrics, pneumonia, respiratory infections, systematic review},
	pages = {e006014},
}
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