Serum Lactate and A Relative Change in Lactate as Predictors of Mortality in Patients with Cardiogenic Shock - Results from The Cardshock Study

Matias Greve Lindholm, Mari Hongisto, Johan Lassus, Jindrich Spinar, John Parissis, Marek Banaszewski, Jose Silva-Cardoso, Valentina Carubelli, diSomma Salvatore, Alessandro Sionis, Alexandre Mebazaa, Harjola Veli-Pekka, Lars Kober

17 Citationer (Scopus)

Abstract

INTRODUCTION: Cardiogenic shock complicating acute myocardial infarction has a very high mortality. Our present study focuses on serial measurement of lactate during admission due to cardiogenic shock and the prognostic effect of lactate and a relative change in lactate in patients after admission and the institution of intensive care treatment.

METHODS AND RESULTS: This is a secondary analysis of the CardShock study. Data on lactate at baseline were available on 217 of 219 patients.In the study population the median baseline lactate was 2.8 (min-max range, 0.5-23.1) mmol/L.At admission, lactate was predictive of 30-day mortality with an adjusted HR of 1.20 (95% CI 1.14-1.27) mmol/L. Within the first 24 hours of admission, baseline lactate remained predictive of 30-day mortality. Lactate at 6 hours had a HR of 1.14 (95% CI 1.06-1.24) and corresponding values at 12 and 24 hours had a HR of 1.10 (1.04-1.17), and of HR 1.19 (95% CI 1.07-1.32), respectively. A 50% reduction in lactate within 6 hours resulted in a HR of 0.82 (95% CI 0.72-0.94). Corresponding hazard ratios at 12 and 24 hours, were 0.87 (95% CI 0.76-0.98) and 0.74 (95% CI 0.60-0.91).

CONCLUSION: The main findings of the present study are that baseline lactate is a powerful predictor of 30-day mortality, lactate at 6, 12, and 24 hours after admission are predictors of 30-day mortality, and a relative change in lactate is a significant predictor of survival within the first 24 hours after instituting intensive care treatment adding information beyond the information from baseline values.

OriginalsprogEngelsk
TidsskriftShock
Vol/bind53
Udgave nummer1
Sider (fra-til)43-49
ISSN1073-2322
DOI
StatusUdgivet - 2019

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