Dataset Information

Naloxone for severe traumatic brain injury: a meta-analysis.

ABSTRACT:

Objective

The efficiency of naloxone for the management of secondary brain injury after severe traumatic brain injury (sTBI) remains undefined. The aim of this study is to evaluate the current evidence regarding the clinical efficiency and safety of naloxone as a treatment for sTBI in mainland China.

Methodology/principal findings

A systematic search of the China Biology Medicine disc (CBM), China Science and Technology Journal Database (VIP), China National Knowledge Internet (CNKI), and Wan Fang Database was performed to identify randomized controlled trials (RCTs) of naloxone treatment for patients with sTBI in mainland China. The quality of the included trials was assessed, and the RevMan 5.1 software was employed to conduct this meta-analysis. Nineteen RCTs including 2332 patients were included in this study. The odds ratio (OR) showed statistically significant differences between the naloxone group and the control group (placebo) in terms of mortality at 18 months after treatment (OR, 0.51, 95%CI: 0.38-0.67; p<0.00001), prevalence of abnormal heart rates (OR, 0.30, 95%CI: 0.21-0.43; p<0.00001), abnormal breathing rate (OR, 0.25, 95%CI: 0.17-0.36; p<0.00001) at discharge, the level of intracranial pressure at discharge (OR, 2.00, 95%CI: 1.41-2.83; p?=?0.0001), verbal or physical dysfunction rate (OR, 0.65, 95%CI: 0.43-0.98; p?=?0.04), and severe disability rate (OR, 0.47, 95%CI: 0.30-0.73; p?=?0.0001) at 18 months after the treatment. The mean difference (MD) showed statistically significant differences in awakening time at discharge (MD, -4.81, 95%CI: -5.49 to -4.12; p<0.00001), and GCS at 3 days (MD, 1.00, 95%CI: 0.70-1.30; p<0.00001) and 10 days (MD, 1.76, 95%CI: 1.55-1.97; p<0.00001) after treatment comparing naloxone with placebo group.

Conclusions/significance

This study indicated that applying naloxone in the early stage for sTBI patients might effectively reduce mortality, control intracranial pressure (ICP), and significantly improve the prognosis.

SUBMITTER: Zhang H

PROVIDER: S-EPMC4272270 | biostudies-literature | 2014

REPOSITORIES: biostudies-literature

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Publications

Naloxone for severe traumatic brain injury: a meta-analysis.

Zhang Hengzhu H Wang Xiaodong X Li Yuping Y Du Renfei R Xu Enxi E Dong Lun L Wang Xingdong X Yan Zhengcun Z Pang Lujun L Wei Min M She Lei L

PloS one 20141219 12

<h4>Objective</h4>The efficiency of naloxone for the management of secondary brain injury after severe traumatic brain injury (sTBI) remains undefined. The aim of this study is to evaluate the current evidence regarding the clinical efficiency and safety of naloxone as a treatment for sTBI in mainland China.<h4>Methodology/principal findings</h4>A systematic search of the China Biology Medicine disc (CBM), China Science and Technology Journal Database (VIP), China National Knowledge Internet (CN ...[more]

PMID: 25526618

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Project description:This paper broadly reviews the study of mild traumatic brain injury (mTBI), across the spectrum of neuroimaging modalities. Among the range of imaging methods, however, magnetic resonance imaging (MRI) is unique in its applicability to studying both structure and function. Thus we additionally performed meta-analyses of MRI results to examine 1) the issue of anatomical variability and consistency for functional MRI (fMRI) findings, 2) the analogous issue of anatomical consistency for white-matter findings, and 3) the importance of accounting for the time post injury in diffusion weighted imaging reports. As we discuss, the human neuroimaging literature consists of both small and large studies spanning acute to chronic time points that have examined both structural and functional changes with mTBI, using virtually every available medical imaging modality. Two key commonalities have been used across the majority of imaging studies. The first is the comparison between mTBI and control populations. The second is the attempt to link imaging results with neuropsychological assessments. Our fMRI meta-analysis demonstrates a frontal vulnerability to mTBI, demonstrated by decreased signal in prefrontal cortex compared to controls. This vulnerability is further highlighted by examining the frequency of reported mTBI white matter anisotropy, in which we show a strong anterior-to-posterior gradient (with anterior regions being more frequently reported in mTBI). Our final DTI meta-analysis examines a debated topic arising from inconsistent anisotropy findings across studies. Our results support the hypothesis that acute mTBI is associated with elevated anisotropy values and chronic mTBI complaints are correlated with depressed anisotropy. Thus, this review and set of meta-analyses demonstrate several important points about the ongoing use of neuroimaging to understand the functional and structural changes that occur throughout the time course of mTBI recovery. Based on the complexity of mTBI, however, much more work in this area is required to characterize injury mechanisms and recovery factors and to achieve clinically-relevant capabilities for diagnosis.

Dataset Information

Naloxone for severe traumatic brain injury: a meta-analysis.

Objective

Methodology/principal findings

Conclusions/significance

Publications

Naloxone for severe traumatic brain injury: a meta-analysis.

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