Cases of influenza A(H1N1)v reported in Turkey, May-July 2009

Cıblak, Meral A.; Albayrak, Nurhan; Odabas, Y.; Altaş, Ayşe Başak; Kanturvardar, Melis; Hasöksüz, Mustafa; Sucakli, Bahadir; Korukluoğlu, Gülay; Bal, Esra; Ertek, Mustafa; Badur, Selim

doi:10.2807/ese.14.32.19304-en

Cited by 24 publications

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“…Patients infected with pH1N1 typically present with fever and respiratory symptoms, although some patients have milder symptoms [17,18]. Additionally, diagnosing influenza among immunocompromised patients is difficult.…”

Section: Discussionmentioning

confidence: 99%

Cluster of Oseltamivir-Resistant 2009 Pandemic Influenza A (H1N1) Virus Infections on a Hospital Ward among Immunocompromised Patients—North Carolina, 2009

Chen¹,

Dailey

Rao

et al. 2011

The Journal of Infectious Diseases

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Section: Discussionmentioning

confidence: 99%

Cluster of Oseltamivir-Resistant 2009 Pandemic Influenza A (H1N1) Virus Infections on a Hospital Ward among Immunocompromised Patients—North Carolina, 2009

Chen¹,

Dailey

Rao

et al. 2011

The Journal of Infectious Diseases

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“…The level of influenza vaccine coverage in patients and healthcare workers is an important determinant of HAI (9,10). Vaccine uptake in Türkiye varies between 5.9%-27.3% (11). A single-center study from Türkiye involving 95 hospitalized influenza patients reported that none of the patients were vaccinated (12).…”

mentioning

confidence: 99%

Comparison of 28-Day Mortality Between Hospital- and Community-Acquired Influenza Patients

Bilgin,

Basari,

Pazar

et al. 2023

Infect Dis Clin Microbiol

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Objective: This study aimed to compare 28-day mortality between patients have hospital-acquired influenza (HAI) and those have community-acquired influenza (CAI) during the 2017-2019 influenza seasons in a tertiary care center in İstanbul, Türkiye. Materials and Methods: This retrospective cohort included all hospitalized patients who had confirmed influenza infection and were over 17 years old. HAI was defined as a case of influenza that tested negative in a PCR test or had no signs of influenza on admission but with a positive test result at any point after 72 hours of admission. CAI was defined as a case of influenza diagnosed within 72 hours of admission or before admission. The primary outcome was 28-day mortality after diagnosis. Biological sex, admission to the intensive care unit (ICU), presence of chronic obstructive pulmonary disease, cardiovascular and immunosuppressive comorbidities, influenza subtype, and other variables identified with univariate analyses (p<0.25) were entered into logistic regression analysis. Results: During the study period, 92 (46%) of 201 hospitalized patients who tested positive for influenza were identified as HAI, and the rest (109) were identified as CAI. Univariate analysis showed no differences between survivors and non-survivors in patient characteristics, except non-survivors were more likely to have an ICU admission. The multivariable logistic regression analysis results showed that HAI was associated with 5.6-fold increased odds of mortality (95% confidence interval [CI]=1.6-19.3; p=0.006, Figure 2), after adjustment for age, gender, comorbidity, and ICU admission. Conclusion: The results of this study revealed that patients who had HAI were more likely to die within 28 days compared to those who had CAI after controlling for key confounders. The high rate of HAI underscores the critical importance of robust infection control measures for hospital-acquired viral infections. Additional research and targeted interventions are necessary to improve the HAI prognosis. Keywords: influenza, human, Influenza vaccines, cross infection, hospital-acquired viral illness, mortality

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First Season of 2009 H1N1 Influenza

Swedish

Conenello

2010

Mount Sinai J Medicine

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The 2009 H1N1 influenza virus is responsible for the first influenza pandemic of the 21st century. Within 5 months after its emergence in Mexico, it had affected more than 290,000 patients and caused at least 3486 deaths on 6 continents. This report provides information about influenza viruses, previous pandemics, and the virology, clinical features, and epidemiology of 2009 H1N1 influenza in order to elucidate the current pandemic and outline the questions that remain. Mt Sinai J Med 77:103-113, 2010.

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Cases of influenza A(H1N1)v reported in Turkey, May-July 2009

Cited by 24 publications

References 0 publications

Cluster of Oseltamivir-Resistant 2009 Pandemic Influenza A (H1N1) Virus Infections on a Hospital Ward among Immunocompromised Patients—North Carolina, 2009

Cluster of Oseltamivir-Resistant 2009 Pandemic Influenza A (H1N1) Virus Infections on a Hospital Ward among Immunocompromised Patients—North Carolina, 2009

Comparison of 28-Day Mortality Between Hospital- and Community-Acquired Influenza Patients

First Season of 2009 H1N1 Influenza

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