• Intern Emerg Med · Oct 2024

    Critical care management of acute intoxications, dynamics and changes over time: a cohort study.

    • Alexander Christian Reisinger, Nikolaus Schneider, Nikolaus Schreiber, Martina Janisch, Ines Rauch, Peter Kaufmann, Gerrit Wünsch, Philipp Eller, and Gerald Hackl.
    • Department of Internal Medicine, Intensive Care Unit, Medical University of Graz, Auenbruggerplatz 15, 8036, Graz, Austria.
    • Intern Emerg Med. 2024 Oct 1; 19 (7): 201520242015-2024.

    AbstractAcute intoxications and poisonings are a relevant cause for ICU admission of critically ill patients. This study aimed to determine the characteristics of intoxicated patients in a tertiary center medical ICU in Austria over time and to investigate parameters associated with ICU mortality. This study was a retrospective data analysis including adult ICU patients from the years 2007 to 2021. In addition to ICU documentation, pre-hospital, and emergency department documents as well as autopsy reports were utilized. In an exploratory subanalysis, we compared these findings to a historical dataset from our facility from 1992 to 1996. We identified 581 cases admitted to the medical ICU because of acute poisoning (2007-2021), of which 45% were female and 46.6% were mixed intoxications. Suicidal intent was the primary cause of intoxication (48.2%) and ICU length of stay was median 1.2 days. The majority of deceased patients received pre-hospital mechanical CPR. Primary and secondary poison/toxin removal modalities were used in 29.9% and 11.7% of cases, whereas antidotes were administered in 54.4%. Comparing the data with a historical cohort (n = 168), we found a shift in primary detoxification away from gastric lavage and an increase in alternative secondary poison/toxin removal techniques. The ICU mortality was 4.1% and 4.2% in the present and historic cohort, respectively. Pre-existing psychiatric illnesses increased from 49% in the historic to 69% in the present cohort. Psychiatric illness predisposes patients to severe intoxications necessitating ICU care, thus increasing prevention measures seems warranted. Females did present with a different spectrum of intoxications compared to males. ICU mortality remained low over time and most deceased patients had a grim prognosis already on ICU arrival.© 2024. The Author(s).

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