Open AccessThe utility of peripheral venous lactate in emergency department patients with normal and higher lactate levels: A prospective observational study
Author(s) -
Arne Jon van Tienhoven,
C.A.J. van Beers,
C. E. H. Siegert,
Prabath W.B. Nanayakkara
Publication year - 2020
Publication title -
acute medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.14
H-Index - 12
eISSN - 1747-4892
pISSN - 1747-4884
DOI - 10.52964/amja.0815
Subject(s) - hyperlactatemia , medicine , emergency department , peripheral , predictive value , arterial blood , cardiology , psychiatry
Objective: to assess the utility of peripheral venous lactate (PVL) in Emergency Department patients. Methods: arteriovenous agreement was assessed in three subgroups: PVL <2 mmol/l, PVL ≥ 2 mmol/l to < 4 mmol/l and PVL ≥ 4 mmol/l. The predictive value of PVL to predict arterial lactate (AL) ≥2 mmol/l was assessed at different cut-off values. Results: 74 samples were analysed. The venous-arterial mean difference and 95% limits of agreement for the subgroups were 0.25 mmol/l (-0.18 to 0.68), 0.37 mmol/l (-0.57 to 1.32) and -0.89 mmol/l (-3.75 to 1.97). PVL ≥2 mmol/l predicts AL ≥2 mmol/l with 100% sensitivity. Conclusion: PVL <2 mmol/l rules out arterial hyperlactatemia. As agreement declines in higher levels, arterial sampling should be considered.