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Blood Lactate Is a Useful Indicator for the Medical Emergency Team
Department of Anesthesiology and Intensive Care, Östersund Hospital, 83183 Östersund, Sweden.
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Surgery.
Department of Surgical Sciences, Anesthesiology and Critical Care Medicine, Uppsala University, 75185 Uppsala, Sweden.
Umeå University, Faculty of Medicine, Department of Surgical and Perioperative Sciences, Anaesthesiology. Department of Anesthesiology and Intensive Care, Östersund Hospital, 83183 Östersund, Sweden.
2016 (English)In: Critical Care Research and Practice, ISSN 2090-1305, E-ISSN 2090-1313, 5765202Article in journal (Refereed) Published
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Abstract [en]

Lactate has been thoroughly studied and found useful for stratification of patients with sepsis, in the Intensive Care Unit, and trauma care. However, little is known about lactate as a risk-stratification marker in the Medical Emergency Team-(MET-) call setting. We aimed to determine whether the arterial blood lactate level at the time of a MET-call is associated with increased 30-day mortality. This is an observational study on a prospectively gathered cohort at a regional secondary referral hospital. All MET-calls during the two-year study period were eligible. Beside blood lactate, age and vital signs were registered at the call. Among the 211 calls included, there were 64 deaths (30.3%). Median lactate concentration at the time of the MET-call was 1.82 mmol/L (IQR 1.16-2.7). We found differences between survivors and nonsurvivors for lactate and oxygen saturation, a trend for age, but no significant correlations between mortality and systolic blood pressure, respiratory rate, and heart rate. As compared to normal lactate (<2.44 mmol/L), OR for 30-day mortality was 3.54 (p < 0.0006) for lactate 2.44-5.0 mmol/L and 4.45 (p < 0.0016) for lactate >5.0 mmol/L. The present results support that immediate measurement of blood lactate in MET call patients is a useful tool in the judgment of illness severity.

Place, publisher, year, edition, pages
Hindawi Publishing Corporation, 2016. 5765202
National Category
Surgery
Identifiers
URN: urn:nbn:se:umu:diva-119091DOI: 10.1155/2016/5765202ISI: 000372258000001OAI: oai:DiVA.org:umu-119091DiVA: diva2:919905
Available from: 2016-04-15 Created: 2016-04-11 Last updated: 2017-11-30Bibliographically approved

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