Pandemic influenza A (H1N1) 2009 in Madrid, Spain: incidence and characteristics in immigrant and native population

Esteban-Vasallo, María D.; Domínguez‐Berjón, M. Felícitas; Aerny-Perreten, Nicole; Astray‐Mochales, Jenaro; Martín-Martínez, Fernando; Gènova-Maleras, Ricard

doi:10.1093/eurpub/ckr171

Cited by 8 publications

(8 citation statements)

References 14 publications

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“…S. pneumoniae was detected in three of the remaining patients, H. influenzae in one, and S. aureus and aspergilloma in the last one. It has been reported that ICU admission rates are high in migrant populations because such factors as a lack of prevention and protection in healthcare services, the withdrawal of vaccination programs, low environmental hygiene standards, outdoor living conditions, overcrowding, and exposure to low temperatures have raised the sensitivity to infection (28)(29)(30)(31)(32)(33).…”

Section: Discussionmentioning

confidence: 99%

Reasons for Hospitalisation, Sepsis Development and Mortality Among Syrian Patients in an Intensive Care Unit

Orak¹,

Tanır²,

Güngör³

et al. 2021

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Objective: Our aim is to investigate causes of hospitalization of Syrian patients in an intensive care unit (ICU), development of sepsis, relevant reasons of pathogens and mortality rates. Materials and Methods: We carried out this study between 2012 and 2016. Patient information was analyzed retrospectively from records and files in the information system. Results: One hundred thirty-nine Syrian patients were hospitalized in an ICU during the study period. The most common ICU diagnoses were respiratory tract infection (29 patients: 20.9%) and trauma (26 patients: 18.7%). Of these patients, 35 were diagnosed with sepsis during their treatment in the ICU. Acinetobacter baumannii and E. coli were isolated in the culture of the patients with sepsis (17, 12, respectively). Acinetobacter baumannii was most common in tracheal cultures and E. coli in urine cultures. Additionally, seven patients were diagnosed with sepsis at their first application to the hospital. H1N1 in two, S. pneumoniae in three, H. influenzae in one, S. aureus and aspergilloma in another patient were detected. While 45 of 139 patients died, 28 of 35 patients diagnosed with sepsis died. APACHE II scores, duration of mechanical ventilation, number of days spent in ICU were all higher in the deceased patients than in the surviving patients (p<0.001, p<0.001, p<0.001). Conclusion: Respiratory diseases were the most common causes for Syrian patients' hospitalization in the ICU and developing sepsis. For these patients, sepsis was still an important factor for mortality.

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Section: Discussionmentioning

confidence: 99%

Reasons for Hospitalisation, Sepsis Development and Mortality Among Syrian Patients in an Intensive Care Unit

Orak¹,

Tanır²,

Güngör³

et al. 2021

tybd

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“…In the only study on this subject, the incidence of influenza infection in the native and immigrant population was investigated during the pandemic in Spain by Esteban-Vasallo et al A trend was seen towards more severe influenza cases in immigrant women of childbearing age compared to native women (21.3% v.12.3%, p = 0.06). 7 …”

Section: Discussionmentioning

confidence: 99%

Postpandemic influenza A/H1N1pdm09 is still causing severe perinatal complications

Bogers

Bos

Schoenmakers

et al. 2014

Mediterr J Hematol Infect Dis

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Although influenza A/H1N1pdm09 is not causing a pandemic anymore, we recently observed two critically ill pregnant women infected by this virus. We present these cases to illustrate the possible severe complications of an – at that moment – seasonal influenza in pregnancy. We discuss the epidemiological differences between the pandemic and post pandemic phase and try to explain the high virulence of influenza A/H1N1pdm09 -infections in pregnancy by discussing insights in immunology during pregnancy. We conclude that although influenza A/H1N1pdm09 is in the post pandemic phase, infection by this influenza virus still needs to be considered in pregnant women with progressive respiratory dysfunction.

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“…Spanish [38] and other [39,40] descriptive studies show differences in the use of health services and in hospitalization due to the complications of influenza during the 2009 pandemic in immigrants and ethnic minorities, on the one hand, and indigenous people on the other hand. We found that non-Caucasian ethnicity was associated with greater disease severity.…”

Section: Discussionmentioning

confidence: 99%

Social factors related to the clinical severity of influenza cases in Spain during the A (H1N1) 2009 virus pandemic

Mayoral¹,

Alonso

Garín

et al. 2013

BMC Public Health

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BackgroundDuring the 2009 influenza pandemic, a change in the type of patients most often affected by influenza was observed. The objective of this study was to assess the role of individual and social determinants in hospitalizations due to influenza A (H1N1) 2009 infection.MethodsWe studied hospitalized patients (cases) and outpatients (controls) with confirmed influenza A (H1N1) 2009 infection. A standardized questionnaire was used to collect data. Variables that might be related to the hospitalization of influenza cases were compared by estimation of the odds ratio (OR) and 95% confidence intervals (CI) and the variables entered into binomial logistic regression models.ResultsHospitalization due to pandemic A (H1N1) 2009 influenza virus infections was associated with non-Caucasian ethnicity (OR: 2.18, 95% CI 1.17 − 4.08), overcrowding (OR: 2.84, 95% CI 1.20 − 6.72), comorbidity and the lack of previous preventive information (OR: 2.69, 95% CI: 1.50 − 4.83). Secondary or higher education was associated with a lower risk of hospitalization (OR 0.56, 95% CI: 0.36 − 0.87)ConclusionsIn addition to individual factors such as comorbidity, other factors such as educational level, ethnicity or overcrowding were associated with hospitalization due to A (H1N1) 2009 influenza virus infections.

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Pandemic influenza A (H1N1) 2009 in Madrid, Spain: incidence and characteristics in immigrant and native population

Cited by 8 publications

References 14 publications

Reasons for Hospitalisation, Sepsis Development and Mortality Among Syrian Patients in an Intensive Care Unit

Reasons for Hospitalisation, Sepsis Development and Mortality Among Syrian Patients in an Intensive Care Unit

Postpandemic influenza A/H1N1pdm09 is still causing severe perinatal complications

Social factors related to the clinical severity of influenza cases in Spain during the A (H1N1) 2009 virus pandemic

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