• Seyed Ahmad Naseri Alavi, Mohammad Amin Habibi, Seyed Hamed Naseri Alavi, Mahsa Zamani, and Andrew J Kobets.
• Department of Neurological Surgery, School of Medicine, Emory University, Atlanta, GA 30322, USA.
• Medicina (Kaunas). 2024 Sep 25; 60 (10).

AbstractBackground and Objectives: Traumatic spinal cord injury (SCI) is a devastating condition that occurs in two phases: primary and secondary injury. These phases contribute to changes in blood vessels and the influx of inflammatory cells such as neutrophils and lymphocytes. The biomarker known as the neutrophil-to-lymphocyte ratio (NLR) has been suggested as being highly valuable in predicting outcomes for patients with traumatic brain injury, acute ischemic stroke, and traumatic spinal cord injury. Therefore, this review study aims to investigate the prognostic value of the NLR in predicting outcomes for patients with SCI. Materials and Methods: A thorough review of relevant articles was conducted using Mesh keywords in Medline via Embase, PubMed, Google Scholar, and Scopus from 2000 to 2023. The search was conducted using the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) checklist. After reviewing the articles and applying inclusion and exclusion criteria, only relevant articles were included in the study. Results: In the initial search, 41 papers were identified. After applying exclusion criteria, only three clinical studies remained for review. It is still debatable whether the NLR can serve as a cost-effective, readily available, and independent predictive factor for both mortality and recovery outcomes in patients with traumatic spinal cord injuries. Conclusions: Our study demonstrates that NLR, a readily available and inexpensive marker, can serve as an independent predictor of both mortality and recovery outcomes in patients with traumatic spinal cord injury. To reach a conclusive decision, additional data are required.

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