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Variations in infection sites and mortality rates among patients in intensive care units with severe sepsis and septic shock in Japan.


ABSTRACT:

Background

Accurate and early identification of infection sites might help to drive crucial decisions regarding the treatment of sepsis. We aimed to determine the clinical and etiological features of infection according to sites among patients with severe sepsis in Japan.

Methods

This secondary analysis of a multicenter, prospective cohort study included 59 intensive care units (ICU) and proceeded between January 2016 and March 2017. The study cohort comprised 1184 adults (??16?years) who were admitted to an ICU with severe sepsis and septic shock diagnosed according to the sepsis-2 criteria. Sites of infection diagnosed by physicians in charge at the time of arrival comprised the lung, abdomen, urinary tract, soft tissue, bloodstream, central nervous system (CNS), and undifferentiated infections. The primary outcome was in-hospital mortality.

Results

The most common sites of infection were the lungs (31.0%), followed by intra-abdominal sites (26.3%), the urinary tract (18.4%), and soft tissue (10.9%). The characteristics of the patients with severe sepsis across seven major suspected infection sites were heterogeneous. Septic shock was more frequent among patients with intra-abdominal (72.2%) and urinary tract (70.2%) infections than other sites. The in-hospital mortality rate due to severe sepsis and septic shock of a pooled sample was 23.4% (range, 11.9% [urinary tract infection] to 47.6% [CNS infection]). After adjusting for clinical background, sepsis severity, and stratification according to the presence or absence of shock, variations in hospital mortality across seven major sites of infection remained essentially unchanged from those for crude in-hospital mortality; adjusted in-hospital mortality rates ranged from 7.7% (95%CI, -?0.3 to 15.8) for urinary tract infection without shock to 58.3% (95%CI, 21.0-95.7) for CNS infection with shock in a generalized estimating equation model. Intra-abdominal and urinary tract infections were statistically associated with less in-hospital mortality than pneumonia. Infections of the CNS were statistically associated with higher in-hospital mortality rates than pneumonia in a logistic regression model, but not in the generalized estimating equation model.

Conclusions

In-hospital mortality and clinical features of patients with severe sepsis and septic shock were heterogeneous according to sites of infection.

SUBMITTER: Abe T 

PROVIDER: S-EPMC6500015 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Variations in infection sites and mortality rates among patients in intensive care units with severe sepsis and septic shock in Japan.

Abe Toshikazu T   Ogura Hiroshi H   Kushimoto Shigeki S   Shiraishi Atsushi A   Sugiyama Takehiro T   Deshpande Gautam A GA   Uchida Masatoshi M   Nagata Isao I   Saitoh Daizoh D   Fujishima Seitaro S   Mayumi Toshihiko T   Hifumi Toru T   Shiino Yasukazu Y   Nakada Taka-Aki TA   Tarui Takehiko T   Otomo Yasuhiro Y   Okamoto Kohji K   Umemura Yutaka Y   Kotani Joji J   Sakamoto Yuichiro Y   Sasaki Junichi J   Shiraishi Shin-Ichiro SI   Takuma Kiyotsugu K   Tsuruta Ryosuke R   Hagiwara Akiyoshi A   Yamakawa Kazuma K   Masuno Tomohiko T   Takeyama Naoshi N   Yamashita Norio N   Ikeda Hiroto H   Ueyama Masashi M   Fujimi Satoshi S   Gando Satoshi S  

Journal of intensive care 20190503


<h4>Background</h4>Accurate and early identification of infection sites might help to drive crucial decisions regarding the treatment of sepsis. We aimed to determine the clinical and etiological features of infection according to sites among patients with severe sepsis in Japan.<h4>Methods</h4>This secondary analysis of a multicenter, prospective cohort study included 59 intensive care units (ICU) and proceeded between January 2016 and March 2017. The study cohort comprised 1184 adults (≥ 16 ye  ...[more]

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