RIFLE criteria for acute kidney injury are associated with hospital mortality in critically ill patients: a cohort analysis
2006

RIFLE Criteria and Hospital Mortality in Critically Ill Patients

Sample size: 5383 publication 10 minutes Evidence: high

Author Information

Author(s): Eric AJ Hoste, Gilles Clermont, Alexander Kersten, Ramesh Venkataraman, Derek C Angus, Dirk De Bacquer, John A Kellum

Primary Institution: University of Pittsburgh Medical Center

Hypothesis

The study aims to evaluate the association between RIFLE criteria for acute kidney injury and hospital mortality in critically ill patients.

Conclusion

Acute kidney injury, as defined by the RIFLE classification, is associated with increased hospital mortality and resource use in critically ill patients.

Supporting Evidence

  • 67% of ICU admissions experienced acute kidney injury.
  • Hospital mortality rates increased with the severity of RIFLE class.
  • 56% of patients with RIFLE class R progressed to higher classes.

Takeaway

If someone in the hospital has kidney problems, it can make them much more likely to get really sick and stay in the hospital longer.

Methodology

A retrospective cohort study was conducted in seven intensive care units over one year, analyzing 5,383 patients.

Potential Biases

Some researchers involved in the study contributed to the development of the RIFLE criteria, which may introduce bias.

Limitations

The study was conducted at a single medical center, which may not be representative of other centers, and relied on existing medical records.

Participant Demographics

The cohort included adult patients admitted to ICUs, with varying ages and a mix of medical and surgical admissions.

Statistical Information

P-Value

<0.001

Confidence Interval

1.28–2.13

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1186/cc4915

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