Introduction:

With the evolution of diagnostic techniques in traumatic brain injury (TBI), the study of neurological injury has made progress based on the concepts of primary and secondary injury, leading to the era of proteomics to understand the complex molecular events involved in the process.

Objectives:

This narrative review is intended to discuss the state of the art of the most frequently used biomarkers in TBI, their clinical utility, and the implications for therapeutic decision-making protocols.

Materials and methods:

In order to fulfill the objective of this paper, a literature review was conducted of the most important databases.

Results:

Several biomarkers have been studied as prognostic factors in patients with TBI. Learning about their sensitivity and specificity in neurological injury, and its post-trauma evolution over time, has been the goal of various papers in the past few years.

Conclusion:

Breakthroughs in the study of protein degradation make it necessary to broaden the spectrum and knowledge of new diagnostic methods in TBI. Further studies are needed to define the role of biomarkers and to promote protocols integrating specific values.

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