Role of the Neutrophil-to-Lymphocyte Ratio at the Time of Arrival at the Emergency Room as a Predictor of Rhabdomyolysis in Severe Trauma Patients

Purpose In patients with trauma, rhabdomyolysis (RM) can lead to fatal complications resulting from muscle damage. Thus, RM must be immediately diagnosed and treated to prevent complications. Creatine kinase (CK) is the most sensitive marker for diagnosing RM. However, relying on CK tests may result...

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Main Authors: Jin Chul Bae, Kyung Hoon Sun, Yong Jin Park
Format: Article
Language:English
Published: Korean Society of Traumatology 2020-06-01
Series:Journal of Trauma and Injury
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Online Access:http://www.jtraumainj.org/upload/pdf/jti-2020-018.pdf
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author Jin Chul Bae
Kyung Hoon Sun
Yong Jin Park
author_facet Jin Chul Bae
Kyung Hoon Sun
Yong Jin Park
author_sort Jin Chul Bae
collection DOAJ
description Purpose In patients with trauma, rhabdomyolysis (RM) can lead to fatal complications resulting from muscle damage. Thus, RM must be immediately diagnosed and treated to prevent complications. Creatine kinase (CK) is the most sensitive marker for diagnosing RM. However, relying on CK tests may result in delayed treatment, as it takes approximately 1 hour to obtain CK blood test results. Hence, this study investigated whether the neutrophil-to-lymphocyte ratio (NLR) could predict RM at an earlier time point in patients with trauma, since NLR results can be obtained within 10 minutes. Methods This retrospective study included 130 patients with severe trauma who were admitted to the emergency room of a tertiary institution between January 2017 and April 2020. RM was defined as a CK level ≥1,000 U/L at the time of arrival. Patients with severe trauma were categorized into non-RM and RM groups, and their characteristics and blood test results were analyzed. Statistical analysis was performed using SPSS version 26.0 for Windows. Results Of the 130 patients with severe trauma, 50 presented with RM. In the multivariate analysis, the NLR (odds ratio [OR], 1.252; 95% confidence interval [CI], 1.130–1.386), pH level (OR, 0.006; 95% CI, 0.000–0.198), presence of acute kidney injury (OR, 3.009; 95% CI, 1.140–7.941), and extremity Abbreviated Injury Scale score (OR, 1.819; 95% CI, 1.111–2.980) significantly differed between the non-RM and RM groups. A receiver operating characteristic analysis revealed that a cut-off NLR value of 3.64 was the best for predicting RM. Conclusions In patients with trauma, the NLR at the time of arrival at the hospital is a useful biochemical marker for predicting RM.
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spelling doaj-art-4a9105f503894c70a2efcf3aac76990f2025-02-03T11:12:22ZengKorean Society of TraumatologyJournal of Trauma and Injury1738-87672287-16832020-06-013329610310.20408/jti.2020.0181017Role of the Neutrophil-to-Lymphocyte Ratio at the Time of Arrival at the Emergency Room as a Predictor of Rhabdomyolysis in Severe Trauma PatientsJin Chul Bae0Kyung Hoon Sun1Yong Jin Park2 Department of Emergency Medicine, College of Medicine, Chosun University, Gwangju, Korea Department of Emergency Medicine, College of Medicine, Chosun University, Gwangju, Korea Department of Emergency Medicine, College of Medicine, Chosun University, Gwangju, KoreaPurpose In patients with trauma, rhabdomyolysis (RM) can lead to fatal complications resulting from muscle damage. Thus, RM must be immediately diagnosed and treated to prevent complications. Creatine kinase (CK) is the most sensitive marker for diagnosing RM. However, relying on CK tests may result in delayed treatment, as it takes approximately 1 hour to obtain CK blood test results. Hence, this study investigated whether the neutrophil-to-lymphocyte ratio (NLR) could predict RM at an earlier time point in patients with trauma, since NLR results can be obtained within 10 minutes. Methods This retrospective study included 130 patients with severe trauma who were admitted to the emergency room of a tertiary institution between January 2017 and April 2020. RM was defined as a CK level ≥1,000 U/L at the time of arrival. Patients with severe trauma were categorized into non-RM and RM groups, and their characteristics and blood test results were analyzed. Statistical analysis was performed using SPSS version 26.0 for Windows. Results Of the 130 patients with severe trauma, 50 presented with RM. In the multivariate analysis, the NLR (odds ratio [OR], 1.252; 95% confidence interval [CI], 1.130–1.386), pH level (OR, 0.006; 95% CI, 0.000–0.198), presence of acute kidney injury (OR, 3.009; 95% CI, 1.140–7.941), and extremity Abbreviated Injury Scale score (OR, 1.819; 95% CI, 1.111–2.980) significantly differed between the non-RM and RM groups. A receiver operating characteristic analysis revealed that a cut-off NLR value of 3.64 was the best for predicting RM. Conclusions In patients with trauma, the NLR at the time of arrival at the hospital is a useful biochemical marker for predicting RM.http://www.jtraumainj.org/upload/pdf/jti-2020-018.pdfrhabdomyolysismultiple traumaneutrophilslymphocytesacute kidney injury
spellingShingle Jin Chul Bae
Kyung Hoon Sun
Yong Jin Park
Role of the Neutrophil-to-Lymphocyte Ratio at the Time of Arrival at the Emergency Room as a Predictor of Rhabdomyolysis in Severe Trauma Patients
Journal of Trauma and Injury
rhabdomyolysis
multiple trauma
neutrophils
lymphocytes
acute kidney injury
title Role of the Neutrophil-to-Lymphocyte Ratio at the Time of Arrival at the Emergency Room as a Predictor of Rhabdomyolysis in Severe Trauma Patients
title_full Role of the Neutrophil-to-Lymphocyte Ratio at the Time of Arrival at the Emergency Room as a Predictor of Rhabdomyolysis in Severe Trauma Patients
title_fullStr Role of the Neutrophil-to-Lymphocyte Ratio at the Time of Arrival at the Emergency Room as a Predictor of Rhabdomyolysis in Severe Trauma Patients
title_full_unstemmed Role of the Neutrophil-to-Lymphocyte Ratio at the Time of Arrival at the Emergency Room as a Predictor of Rhabdomyolysis in Severe Trauma Patients
title_short Role of the Neutrophil-to-Lymphocyte Ratio at the Time of Arrival at the Emergency Room as a Predictor of Rhabdomyolysis in Severe Trauma Patients
title_sort role of the neutrophil to lymphocyte ratio at the time of arrival at the emergency room as a predictor of rhabdomyolysis in severe trauma patients
topic rhabdomyolysis
multiple trauma
neutrophils
lymphocytes
acute kidney injury
url http://www.jtraumainj.org/upload/pdf/jti-2020-018.pdf
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