Incidence & Outcomes of Acute Kidney Injury in Postoperative ICU Patients

Status Completed

Clinical Trial Summary

Acute kidney injury (AKI) is a common complication in critically ill patients. Based on the sensitive KDIGO criteria, the incidence of AKI on ICU varies between 30-60 %. These large variations of incidence of AKI are due to different baseline characteristics of studied patients, the length of observation period, use of creatinine criteria only or use of creatinine and urine output criteria. Furthermore, back estimation of baseline creatinine instead of measured creatinine in patients with missing laboratory values may lead to overestimation of AKI severity and outcomes. Major surgery, trauma, infection, sepsis or a complication of severe illness can lead to an abrupt decrease in glomerular filtration in critically ill patients. Such episode of AKI is associated with short term adverse effects such as fluid overload, electrolyte imbalance, acid-base derangements, immune dysfunction, coagulation abnormalities and alterations in mental status. Additionally, AKI in critically ill patients leads to prolonged ICU length of stay, increase in morbidity and mortality as well as higher costs. Multiple large studies found, after correction for potential confounders, that AKI was independently associated with worse outcomes. Moderate and severe AKI stages were associated with 2.9 - 6.9 fold increased in-hospital mortality (3). Increasing AKI severity in ICU patients was not only associated with increased mortality, AKI patients had also worse renal function at the time of hospital discharge. The individual condition leading to AKI in combination with increased susceptibility to AKI may significantly influence outcome. Indeed, current data from many studies show that mortality from AKI differs in various clinical settings. However, there are not enough data on different types of surgery and their effect on AKI yet. The aim of our epidemiological study is to investigate the occurrence and outcomes of AKI in different types of surgery in postoperative ICU patients at the Vienna General Hospital.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04041323
Study type	Observational
Source	Medical University of Vienna
Contact
Status	Completed
Phase
Start date	June 13, 2019
Completion date	July 30, 2021

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See also
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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Incidence and Outcomes of Acute Kidney Injury in Postoperative ICU Patients - a Retrospective Data Analysis

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms