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Spatial Patterns in Hospital-Acquired Infections in Portugal (2014–2017)

Author

Listed:
  • Hugo Teixeira

    (MEDCIDS—Department of Community Medicine, Information and Health Decision Sciences, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
    CINTESIS—Center for Health Technology and Services Research, Faculty of Medicine, University of Porto, 4200-450 Porto, Portugal
    INEB—Instituto de Engenharia Biomédica, Universidade do Porto, 4200-135 Porto, Portugal
    i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal)

  • Alberto Freitas

    (MEDCIDS—Department of Community Medicine, Information and Health Decision Sciences, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
    CINTESIS—Center for Health Technology and Services Research, Faculty of Medicine, University of Porto, 4200-450 Porto, Portugal)

  • António Sarmento

    (INEB—Instituto de Engenharia Biomédica, Universidade do Porto, 4200-135 Porto, Portugal
    i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal
    Department of Infectious Diseases, Centro Hospitalar Universitário de São João, Alameda Professor Hernâni Monteiro, 4200-319 Porto, Portugal)

  • Paulo Nossa

    (CEGOT, Centre of Studies in Geography and Spatial Planning, University of Coimbra, 3004-530 Coimbra, Portugal
    Department of Geography and Tourism, University of Coimbra, 3004-530 Coimbra, Portugal)

  • Hernâni Gonçalves

    (MEDCIDS—Department of Community Medicine, Information and Health Decision Sciences, Faculty of Medicine, University of Porto, 4200-319 Porto, Portugal
    CINTESIS—Center for Health Technology and Services Research, Faculty of Medicine, University of Porto, 4200-450 Porto, Portugal)

  • Maria de Fátima Pina

    (INEB—Instituto de Engenharia Biomédica, Universidade do Porto, 4200-135 Porto, Portugal
    i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, 4200-135 Porto, Portugal
    ICICT/FIOCRUZ, Instituto de Comunicação e Informação Científica e Tecnológica em Saúde/Fundação Oswaldo Cruz, 21040-900 Rio De Janeiro, Brazil)

Abstract

Background: Hospital-Acquired Infections (HAIs) represent the most frequent adverse event associated with healthcare delivery and result in prolonged hospital stays and deaths worldwide. Aim: To analyze the spatial patterns of HAI incidence from 2014 to 2017 in Portugal. Methods: Data from the Portuguese Discharge Hospital Register were used. We selected episodes of patients with no infection on admission and with any of the following HAI diagnoses: catheter-related bloodstream infections, intestinal infections by Clostridium difficile , nosocomial pneumonia, surgical site infections, and urinary tract infections. We calculated age-standardized hospitalization rates (ASHR) by place of patient residence. We used empirical Bayes estimators to smooth the ASHR. The Moran Index and Local Index of Spatial Autocorrelation (LISA) were calculated to identify spatial clusters. Results: A total of 318,218 HAIs were registered, with men accounting for 49.8% cases. The median length of stay (LOS) was 9.0 days, and 15.7% of patients died during the hospitalization. The peak of HAIs ( n = 81,690) occurred in 2015, representing 9.4% of the total hospital admissions. Substantial spatial inequalities were observed, with the center region presenting three times the ASHR of the north. A slight decrease in ASHR was observed after 2015. Pneumonia was the most frequent HAI in all age groups. Conclusion: The incidence of HAI is not randomly distributed in the space; clusters of high risk in the central region were seen over the entire study period. These findings may be useful to support healthcare policymakers and to promote a revision of infection control policies, providing insights for improved implementation.

Suggested Citation

  • Hugo Teixeira & Alberto Freitas & António Sarmento & Paulo Nossa & Hernâni Gonçalves & Maria de Fátima Pina, 2021. "Spatial Patterns in Hospital-Acquired Infections in Portugal (2014–2017)," IJERPH, MDPI, vol. 18(9), pages 1-18, April.
    • Handle: RePEc:gam:jijerp:v:18:y:2021:i:9:p:4703-:d:545400
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    References listed on IDEAS

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    1. Andre Ramalho & Mariana Lobo & Lia Duarte & Julio Souza & Paulo Santos & Alberto Freitas, 2020. "Landscapes on Prevention Quality Indicators: A Spatial Analysis of Diabetes Preventable Hospitalizations in Portugal (2016–2017)," IJERPH, MDPI, vol. 17(22), pages 1-20, November.
    2. Gatrell, A. C. & Bailey, T. C., 1996. "Interactive spatial data analysis in medical geography," Social Science & Medicine, Elsevier, vol. 42(6), pages 843-855, March.
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