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Anales de Medicina Interna

versión impresa ISSN 0212-7199


VALLEJO, M. et al. Early hospital mortality due to infectious diseases. An. Med. Interna (Madrid) [online]. 2003, vol.20, n.7, pp.19-22. ISSN 0212-7199.

Background: Infectious diseases are an important health problem. Early hospital mortality (EHM) (first 48 hours after hospital admission) give us information about the etiology and the focus of infection. This study was designed because no articles have been found about this subject.  Material and methods: We reviewed the medical records coded by the ICD-9-CM of all patients that suffered from EHM due to infectious diseases during the period 1992 to 1999.  Results: Of all the patients analyzed, 0.7% died of EHM, and of theses, 6.9% were due to an infectious disease. Median age was 73.2 years; 56.1% were men. Index of comorbidity was higher than 1 in 59,9%, and 70,7% never has been admitted to the hospital before. At admission, fever was present in 43.9%. The illness severity was 60.9% sepsis, 24.4% severe sepsis, 13.4% septic shock and 1.2% multiorgan failure. Causes of death were respiratory (76.8%; pneumonia 58.5%). Pneumonia was more frequent among aged 65 years and older (p = 0.03). In 69.5% no microbiological techniques were performed with independence of the clinical severity or the presence or absence of fever. In 85.4% the casual agent was unidentified, but in the case of isolation, gram positive was the most frequent microorganism. Conclusions: Infections are an important cause of EHM, and community-acquired respiratory tract infection (mainly pneumonia) the most frequent cause of EHM. Patients were admitted to the hospital with sepsis in 60.9%, perhaps due to a diagnostic or therapeutic delay. Among aged 65 years and older, microbiological diagnostic procedures were rarely employed.

Palabras clave : Mortality; Infection; Microbiological techniques.

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