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Intensive Care Med. 2016 Dec;42(12):1980-1989. doi: 10.1007/s00134-016-4504-3. Epub 2016 Sep 29.

Incidence of severe sepsis and septic shock in German intensive care units: the prospective, multicentre INSEP study.

Abstract

PURPOSE:

To estimate the incidence density, point prevalence and outcome of severe sepsis and septic shock in German intensive care units (ICUs).

METHODS:

In a prospective, multicentre, longitudinal observational study, all patients already on the ICU at 0:00 on 4 November 2013 and all patients admitted to a participating ICU between 0:00 on 4 November 2013 and 2359 hours on 1 December 2013 were included. The patients were followed up for the occurrence of severe sepsis or septic shock (SEPSIS-1 definitions) during their ICU stay.

RESULTS:

A total of 11,883 patients from 133 ICUs at 95 German hospitals were included in the study, of whom 1503 (12.6 %) were diagnosed with severe sepsis or septic shock. In 860 cases (57.2 %) the infections were of nosocomial origin. The point prevalence was 17.9 % (95 % CI 16.3-19.7).The calculated incidence rate of severe sepsis or septic shock was 11.64 (95 % CI 10.51-12.86) per 1000 ICU days. ICU mortality in patients with severe sepsis/septic shock was 34.3 %, compared with 6 % in those without sepsis. Total hospital mortality of patients with severe sepsis or septic shock was 40.4 %. Classification of the septic shock patients using the new SEPSIS-3 definitions showed higher ICU and hospital mortality (44.3 and 50.9 %).

CONCLUSIONS:

Severe sepsis and septic shock continue to be a frequent syndrome associated with high hospital mortality. Nosocomial infections play a major role in the development of sepsis. This study presents a pragmatic, affordable and feasible method for the surveillance of sepsis epidemiology. Implementation of the new SEPSIS-3 definitions may have a major effect on future epidemiological data.

KEYWORDS:

Incidence; Incidence density; Prevalence; Sepsis; Septic shock

PMID:
27686355
DOI:
10.1007/s00134-016-4504-3
[Indexed for MEDLINE]

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