Please use this identifier to cite or link to this item: https://ahro.austin.org.au/austinjspui/handle/1/12266
Title: Laboratory tests to identify patients at risk of early major adverse events: a prospective pilot study.
Austin Authors: Kaufman, M;Bebee, B ;Bailey, J;Robbins, Raymond J ;Hart, Graeme K ;Bellomo, Rinaldo 
Affiliation: Department of Intensive Care, Austin Hospital, Melbourne, Victoria, Australia
Issue Date: 1-Oct-2014
Publication information: Internal Medicine Journal; 44(10): 1005-12
Abstract: To test whether commonly measured laboratory variables can identify surgical patients at risk of major adverse events (death, unplanned intensive care unit (ICU) admission or rapid response team (RRT) activation).We conducted a prospective observational study in a surgical ward of a university-affiliated hospital in a cohort of 834 surgical patients admitted for >24 h. We applied a previously validated multivariable model-derived risk assessment to each combined set of common laboratory tests to identify patients at risk. We compared the clinical course of such patients with that of control patients from the same ward who had blood tests but were identified as low risk.We studied 7955 batches and 73,428 individual tests in 834 patients (males 55%; average age 65.8 ± 17.6 years). Among these patients, 66 (7.9%) were identified as 'high risk'. High-risk patients were older (75.9 vs 61.8 years of age; P < 0.0001), had much greater early (48 h) mortality (6/66 (9%) vs 4/768 (0.5%); P < 0.0001) and greater overall hospital mortality (11/66 (16.7%) vs 9/768 (1.2%); P < 0.0001). They also had more early (8/66 (12.1%) vs 14/768 (1.8%); P = 0.0001) and overall in-hospital unplanned ICU admissions (12/66 (18.2%) vs 18/768 (2.3%); P < 0.0001) and more early (26/66 (39.3%) vs 50/768 (6.5%); P < 0.0001) and overall in-hospital RRT calls (26/66 (39.4%) vs 55/768 (7.2%); P < 0.0001).Commonly performed laboratory tests identify surgical ward patients at risk of early major adverse events. Further studies are needed to assess whether such identification system can be used to trigger interventions that help improve patient outcomes.
URI: http://ahro.austin.org.au/austinjspui/handle/1/12266
DOI: 10.1111/imj.12509
URL: https://pubmed.ncbi.nlm.nih.gov/24942389
Type: Journal Article
Subjects: biochemistry
hematology
intensive care
mortality
Appears in Collections:Journal articles

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