NDLI: Serum melatonin levels in survivor and non-survivor patients with traumatic brain injury

Content Provider	Springer Nature : BioMed Central
Author	Lorente, Leonardo Martín, María M. Abreu-González, Pedro Pérez-Cejas, Antonia Ramos, Luis Argueso, Mónica Solé-Violán, Jordi Cáceres, Juan J. Jiménez, Alejandro García-Marín, Victor
Abstract	Background Circulating levels of melatonin in patients with traumatic brain injury (TBI) have been determined in a little number of studies with small sample size (highest sample size of 37 patients) and only were reported the comparison of serum melatonin levels between TBI patients and healthy controls. As to we know, the possible association between circulating levels of melatonin levels and mortality of patients with TBI have not been explored; thus, the objective of our current study was to determine whether this association actually exists. Methods This multicenter study included 118 severe TBI (Glasgow Coma Scale <9) patients. We measured serum levels of melatonin, malondialdehyde (to assess lipid peroxidation) and total antioxidant capacity (TAC) at day 1 of severe TBI. We used mortality at 30 days as endpoint. Results We found that non-survivor (n = 33) compared to survivor (n = 85) TBI patients showed higher circulating levels of melatonin (p < 0.001), TAC (p < 0.001) and MDA (p < 0.001). We found that serum melatonin levels predicted 30-day mortality (Odds ratio = 1.334; 95% confidence interval = 1.094–1.627; p = 0.004), after to control for GCS, CT findings and age. We found a correlation between serum levels of melatonin levels and serum levels of TAC (rho = 0.37; p < 0.001) and serum levels of MDA (rho = 0.24; p = 0.008). Conclusions As to we know, our study is the largest series providing circulating melatonin levels in patients with severe TBI. The main findings were that non-survivors had higher serum melatonin levels than survivors, and the association between serum levels of melatonin levels and mortality, peroxidation state and antioxidant state.
Related Links	https://bmcneurol.biomedcentral.com/counter/pdf/10.1186/s12883-017-0922-2.pdf
Ending Page	7
Page Count	7
Starting Page	1
File Format	HTM / HTML
ISSN	14712377
DOI	10.1186/s12883-017-0922-2
Journal	BMC Neurology
Issue Number	1
Volume Number	17
Language	English
Publisher	BioMed Central
Publisher Date	2017-07-19
Access Restriction	Open
Subject Keyword	Neurology Neurochemistry Neurosurgery Melatonin Brain trauma Patients Mortality Injury
Content Type	Text
Resource Type	Article
Subject	Neurology (clinical)
Journal Impact Factor	2.2/2023
5-Year Journal Impact Factor	2.5/2023

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