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Utility of blood lactate level in triage
Author(s) -
Fukumoto Yuichi,
Inoue Yoshiaki,
Takeuchi Yuji,
Hoshino Tetsuya,
Nakamura Yuki,
Ishikawa Kohei,
Morikawa Miki,
Suginaka Hiroshi,
Sueyoshi Koichiro,
Sumi Yuka,
Matsuda Shigeru,
Okamoto Ken,
Tanaka Hiroshi
Publication year - 2016
Publication title -
acute medicine and surgery
Language(s) - English
Resource type - Journals
ISSN - 2052-8817
DOI - 10.1002/ams2.130
Subject(s) - triage , medicine , emergency department , emergency medicine , medical emergency , psychiatry
Aim S imple T riage and R apid T reatment ( START ) is commonly used at disaster scenes. The C anadian E mergency D epartment T riage and A cuity S cale (CTAS) is used in urban and rural emergency departments (ED). However, triage is not always accurate or appropriate. The blood lactate level (BLL) is a major biomarker of physical status. We measured BLL using the L actate P ro‐1710 T est M eter in all patients transported to our ED and assessed their correlation with the triage level determined using START and the CTAS. Methods This retrospective study included 510 patients admitted to our ED between J anuary 2011 and J uly 2012 whose BLL was measured. The patients were classified into triage divisions (green, yellow, red, and black) according to vital signs and chief complaints, and correlations among BLL, triage level, and prognosis were assessed in all groups. Results Of the total, 62 patients had cardiopulmonary arrest (CPA), 262 had internal pathologies, and 186 had external pathologies. Significant correlations were observed between BLL and both START and CTAS triage. Also BLL was significantly higher in severe patients categorized with START and CTAS ( P < 0.0001), especially in the death group when the patients were divided into two groups according to prognosis ( P < 0.0001). Two patients categorized yellow with START died during the hospitalization, however BLL of these two patients were high on admission at the ED. Conclusion BLL could be used to correct the triage level, and decide the priority of treatment and transportation even within the same triage level, thereby avoiding under‐triage.

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