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Revista chilena de infectología

versión impresa ISSN 0716-1018

Resumen

GUTIERREZ, Valentina et al. Clinical and epidemiological characterization of healthcare acquired influenza in critical ill patients. Rev. chil. infectol. [online]. 2019, vol.36, n.3, pp.274-282. ISSN 0716-1018.  http://dx.doi.org/10.4067/S0716-10182019000300274.

Background:

Healthcare-associated infections (HAIs) increase morbidity and mortality. During 2014, at the Hospital Clinico Red de Salud UC Christus (RS-UCCH) it was estimated that 15% of respiratory viral infections were acquired during hospitalization and influenza A was more frequent.

Aims:

Clinical and epidemiological characterization of HAIs due to influenza virus in patients hospitalized in critical care units (CCU) and special care.

Methods:

Descriptive study. We included patients hospitalized in CCU and special care with hospital acquired influenza during 2014-2017. HAI due to influenza was defined as: symptom onset and/or positive influenza PCR after ≥ 48 hours of hospital admission, without previous respiratory symptoms or previous negative influenza test study.

Results:

22 patients were identified, median age was 74 years. Influenza was acquired average on day 13. Influenza A was detected in 77% and 27% had respiratory co-infection. Thirteen (59%) were hospitalized in CCU, only 2 (15%) due to lung problems. Comorbidity was present in 86% and decompensation in 50%. Only 41% received influenza vaccine. The associated lethality was 18%.

Conclusions:

HAI due to influenza occurred in chronic, older and unvaccinated patients. Education about HAIs and continuous high vaccination coverage must be reinforced.

Palabras clave : Nosocomial influenza; influenza virus; healthcare-associated infections.

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