Rapid decrease in plasma D-lactate as an early potential predictor of diminished 28-day mortality in critically ill septic shock patients
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Vincent Sapin
Abstract
Background: Splanchnic ischemia plays a major role in the development of organ failure during septic shock. Plasma D-lactate has been proposed as a better marker of splanchnic hypoperfusion than L-lactate. We studied the prognostic ability of plasma D- and L-lactate levels.
Methods: A prospective study was performed in an intensive care unit and included patients with septic shock. Two samples for plasma D- and L-lactate determination were collected: the first within 6h after the patient met the criteria for septic shock (day 1) and the second 24h later (day 2).
Results: In univariate analysis, day 1 plasma D- and L-lactate values were associated with 28-day mortality. For plasma D- and L- lactate, the area under the receiver operating characteristic curve was 0.68±0.09 and 0.84±0.07 on day 1 (p=0.09), and 0.74±0.10 and 0.90±0.07 on day 2 (p=0.06), respectively. In survivors, D-lactate levels decreased between day 1 and day 2 (p=0.03), but L-lactate did not (p=0.29). In septic shock patients, plasma D- and L-lactate levels reliably discriminate between survivors and non-survivors. The prognostic ability of plasma L-lactate was better than that of plasma D-lactate.
Conclusion: A rapid decrease in plasma D-lactate during the course of septic shock could indicate reduced 28-day mortality.
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©2006 by Walter de Gruyter Berlin New York
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Articles in the same Issue
- Natriuretic peptides and evidence-based quality specifications
- Preanalytical variability: the dark side of the moon in laboratory testing
- Clinical relevance of biological variation: the lesson of brain natriuretic peptide (BNP) and NT-proBNP assay
- Hepatorenal syndrome
- Modified Levey-Jennings charts for calculated laboratory tests
- Increased free malondialdehyde concentrations in smokers normalise with a mixed fruit and vegetable juice concentrate: a pilot study
- The exponentially weighted moving average (EWMA) rule compared with traditionally used quality control rules
- Intermethod calibration of alanine aminotransferase (ALT) and γ-glutamyltransferase (GGT) results: application to Fibrotest® and Actitest® scores
- Comparison of TEST 1 with SRS 100 and ICSH reference method for the measurement of the length of sedimentation reaction in blood
- Multicenter evaluation of the interference of hemoglobin, bilirubin and lipids on Synchron LX-20 assays
- Technical evaluation of the Beckman Coulter OV-Monitor (CA 125 antigen) immunoassay
- Erythrocyte membrane Na+,K+-ATPase and Mg2+-ATPase activities in subjects with methylenetetrahydrofolate reductase (MTHFR) 677 C→T genotype and moderate hyperhomocysteinaemia. The role of L-phenylalanine and L-alanine
- Matrix metalloproteinases and their inhibitors in different acute stroke subtypes
- Pyrosequencing protocol requiring a unique biotinylated primer
- Detection of antibodies against 60-, 65- and 70-kDa heat shock proteins in paediatric patients with various disorders using Western blotting and ELISA
- Quantitative determination of erythrocyte folate vitamer distribution by liquid chromatography-tandem mass spectrometry
- Time-level relationship between indicators of oxidative stress and Glasgow Coma Scale scores of severe head injury patients
- Stepwise strategies in analysing haematuria and leukocyturia in screening
- Elevation of serum cerebral injury markers correlates with serum choline decline after coronary artery bypass grafting surgery
- Drug screening in urine by cloned enzyme donor immunoassay (CEDIA) and kinetic interaction of microparticles in solution (KIMS): a comparative study
- Release of anandamide from blood cells
- Rapid decrease in plasma D-lactate as an early potential predictor of diminished 28-day mortality in critically ill septic shock patients
- Evaluation of an immunoassay of whole blood sirolimus in pediatric transplant patients in comparison with high-performance liquid chromatography/tandem mass spectrometry
- Sample processing and its preanalytical impact on the measurement of circulating matrix metalloproteinases
- Physiological matrix metalloproteinase (MMP) concentrations: comparison of serum and plasma specimens
- Importance of the functional sensitivity determination of a serum hyaluronic acid assay for the prediction of liver fibrosis in patients with features of the metabolic syndrome
- The dilemma of invasive and non-invasive investigations for adult and paediatric non-alcoholic fatty liver disease: has the time come for a new biochemical marker?
- Is cystatin C a reliable renal marker in trauma?
- On the independence of intraindividual reference values
- Sixth International Symposium on Molecular Diagnostics, Graz, Austria, May 25-27, 2006