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Macruz FBDC, Feltrin FS, Zaninotto A, Guirado VMDP, Otaduy MCG, Tsunemi MH, Nucci MP, Rimkus C, Andrade CS, Leite CDC. Longitudinal assessment of magnetization transfer ratio, brain volume, and cognitive functions in diffuse axonal injury. Brain Behav 2022; 12:e2490. [PMID: 35103410 PMCID: PMC8933768 DOI: 10.1002/brb3.2490] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 11/08/2021] [Accepted: 12/29/2021] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Diffuse axonal injury (DAI) is a frequent mechanism of traumatic brain injury (TBI) that triggers a sequence of parenchymal changes that progresses from focal axonal shear injuries up to inflammatory response and delayed axonal disconnection. OBJECTIVE The main purpose of this study is to evaluate changes in the axonal/myelinic content and the brain volume up to 12 months after TBI and to correlate these changes with neuropsychological results. METHODS Patients with DAI (n = 25) were scanned at three time points after trauma (2, 6, and 12 months), and the total brain volume (TBV), gray matter volume, and white matter volume (WMV) were calculated in each time point. The magnetization transfer ratio (MTR) for the total brain (TB MTR), gray matter (GM MTR), and white matter (WM MTR) was also quantified. In addition, Hopkins verbal learning test (HVLT), Trail Making Test (TMT), and Rey-Osterrieth Complex Figure test were performed at 6 and 12 months after the trauma. RESULTS There was a significant reduction in the mean TBV, WMV, TB MTR, GM MTR, and WM MTR between time points 1 and 3 (p < .05). There was also a significant difference in HVLT-immediate, TMT-A, and TMT-B scores between time points 2 and 3. The MTR decline correlated more with the cognitive dysfunction than the volume reduction. CONCLUSION A progressive axonal/myelinic rarefaction and volume loss were characterized, especially in the white matter (WM) up to 1 year after the trauma. Despite that, specific neuropsychological tests revealed that patients' episodic verbal memory, attention, and executive function improved during the study. The current findings may be valuable in developing long-term TBI rehabilitation management programs.
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Affiliation(s)
| | - Fabrício Stewan Feltrin
- Department of Radiology and Oncology, Hospital das Clínicas, Faculdade de Medicina da USP, São Paulo, Brazil
| | - Ana Zaninotto
- Neuropsychology Division, Department of Neurology, Hospital das Clínicas, Faculdade de Medicina da USP, São Paulo, Brazil
| | | | | | - Miriam Harumi Tsunemi
- Department of Biostatistics, Universidade Estadual Paulista, Botucatu, São Paulo, Brazil
| | - Mariana Penteado Nucci
- Department of Radiology and Oncology, Hospital das Clínicas, Faculdade de Medicina da USP, São Paulo, Brazil
| | - Carolina Rimkus
- Department of Radiology and Oncology, Hospital das Clínicas, Faculdade de Medicina da USP, São Paulo, Brazil
| | - Celi Santos Andrade
- Department of Radiology and Oncology, Hospital das Clínicas, Faculdade de Medicina da USP, São Paulo, Brazil
| | - Claudia da Costa Leite
- Department of Radiology and Oncology, Hospital das Clínicas, Faculdade de Medicina da USP, São Paulo, Brazil
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De Freitas DJ, De Carvalho D, Paglioni VM, Brunoni AR, Valiengo L, Thome-Souza MS, Guirado VMP, Zaninotto AL, Paiva WS. Effects of transcranial direct current stimulation (tDCS) and concurrent cognitive training on episodic memory in patients with traumatic brain injury: a double-blind, randomised, placebo-controlled study. BMJ Open 2021; 11:e045285. [PMID: 34446480 PMCID: PMC8395342 DOI: 10.1136/bmjopen-2020-045285] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2020] [Accepted: 06/17/2021] [Indexed: 11/23/2022] Open
Abstract
INTRODUCTION Deficits in episodic memory following traumatic brain injury (TBI) are common and affect independence in activities of daily living. Transcranial direct current stimulation (tDCS) and concurrent cognitive training may contribute to improve episodic memory in patients with TBI. Although previous studies have shown the potential of tDCS to improve cognition, the benefits of the tDCS applied simultaneously to cognitive training in participants with neurological disorders are inconsistent. This study aims to (1) investigate whether active tDCS combined with computer-assisted cognitive training enhances episodic memory compared with sham tDCS; (2) compare the differences between active tDCS applied over the left dorsolateral prefrontal cortex (lDLPFC) and bilateral temporal cortex (BTC) on episodic memory and; (3) investigate inter and intragroup changes on cortical activity measured by quantitative electroencephalogram (qEEG). METHODS AND ANALYSIS A randomised, parallel-group, double-blind placebo-controlled study is conducted. Thirty-six participants with chronic, moderate and severe closed TBI are being recruited and randomised into three groups (1:1:1) based on the placement of tDCS sponges and electrode activation (active or sham). TDCS is applied for 10 consecutive days for 20 min, combined with a computer-based cognitive training. Cognitive scores and qEEG are collected at baseline, on the last day of the stimulation session, and 3 months after the last tDCS session. We hypothesise that (1) the active tDCS group will improve episodic memory scores compared with the sham group; (2) differences on episodic memory scores will be shown between active BTC and lDLPFC and; (3) there will be significant delta reduction and an increase in alpha waves close to the location of the active electrodes compared with the sham group. ETHICS AND DISSEMINATION This study was approved by Hospital das Clínicas, University of São Paulo Ethical Institutional Review Border (CAAE: 87954518.0.0000.0068). TRIAL REGISTRATION NUMBER NCT04540783.
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Affiliation(s)
- Daglie Jorge De Freitas
- Division of Neurology/Neurosurgery, Hospital das Clinicas, Faculdade de Medicina da Universidade de Sao Paulo, HCFMUSP, Sao Paulo, Brazil
| | - Daniel De Carvalho
- Division of Neurology/Neurosurgery, Hospital das Clinicas, Faculdade de Medicina da Universidade de Sao Paulo, HCFMUSP, Sao Paulo, Brazil
| | - Vanessa Maria Paglioni
- Division of Neurology/Neurosurgery, Hospital das Clinicas, Faculdade de Medicina da Universidade de Sao Paulo, HCFMUSP, Sao Paulo, Brazil
| | - Andre R Brunoni
- Institute of Psychiatry, Hospital das Clinicas da Universidade de Sao Paulo, IPq HCFMUSP, University of São Paulo, São Paulo, Brazil
- Interdisciplinary Center for Applied Neuromodulation and Service of Interdisciplinary Neuromodulation, University of Sao Paulo, Sao Paulo, Brazil
| | - Leandro Valiengo
- Institute of Psychiatry, Hospital das Clinicas da Universidade de Sao Paulo, IPq HCFMUSP, University of São Paulo, São Paulo, Brazil
- Interdisciplinary Center for Applied Neuromodulation and Service of Interdisciplinary Neuromodulation, University of Sao Paulo, Sao Paulo, Brazil
| | - Maria Sigride Thome-Souza
- Institute of Psychiatry, Hospital das Clinicas da Universidade de Sao Paulo, IPq HCFMUSP, University of São Paulo, São Paulo, Brazil
| | - Vinícius M P Guirado
- Division of Neurology/Neurosurgery, Hospital das Clinicas, Faculdade de Medicina da Universidade de Sao Paulo, HCFMUSP, Sao Paulo, Brazil
| | - Ana Luiza Zaninotto
- Division of Neurology/Neurosurgery, Hospital das Clinicas, Faculdade de Medicina da Universidade de Sao Paulo, HCFMUSP, Sao Paulo, Brazil
- Speech and Feeding Disorders Lab, MGH Institute of Health Professions, Boston, Massachusetts, USA
| | - Wellingson S Paiva
- Division of Neurology/Neurosurgery, Hospital das Clinicas, Faculdade de Medicina da Universidade de Sao Paulo, HCFMUSP, Sao Paulo, Brazil
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Trajectory of 10-Year Neurocognitive Functioning After Moderate-Severe Traumatic Brain Injury: Early Associations and Clinical Application. J Int Neuropsychol Soc 2020; 26:654-667. [PMID: 32098637 DOI: 10.1017/s1355617720000193] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE This study aimed to explore the 10-year trajectories of neurocognitive domains after moderate-severe traumatic brain injury (TBI), to identify factors related to long-term neurocognitive functioning, and to investigate whether performance remained stable or changed over time. METHOD Seventy-nine patients with moderate-severe TBI between the ages of 16 and 55 years were assessed at 3 months, 1, 5, and 10 years postinjury using neuropsychological tests and functional outcomes. Three hierarchical linear models were used to investigate the relationships of domain-specific neurocognitive trajectories (Memory, Executive function, and Reasoning) with injury severity, demographics, functional outcome at 3 months (Glasgow Outcome Scale-Extended) and emotional distress at 1 year (Symptom Checklist 90-Revised). RESULTS Education, injury severity measures, functional outcome, and emotional distress were significantly associated with both Memory and Executive function. Education and emotional distress were related to Reasoning. The interaction effects between time and these predictors in predicting neurocognitive trajectories were nonsignificant. Among patients with data at 1 and 10 year follow-ups (n = 47), 94-96% exhibited stable scores on Executive function and Reasoning tasks, and 83% demonstrated stable scores on Memory tasks. Significant memory decline was presented in 11% of patients. CONCLUSIONS The findings highlight the differential contribution of variables in their relationships with long-term neurocognitive functioning after moderate-severe TBI. Injury severity was important for Memory outcomes, whereas emotional distress influenced all neurocognitive domains. Reasoning (intellectual) abilities were relatively robust after TBI. While the majority of patients appeared to be cognitively stable beyond the first year, a small subset demonstrated a significant memory decline over time.
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Si T, Xing G, Han Y. Subjective Cognitive Decline and Related Cognitive Deficits. Front Neurol 2020; 11:247. [PMID: 32508729 PMCID: PMC7248257 DOI: 10.3389/fneur.2020.00247] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 03/13/2020] [Indexed: 12/21/2022] Open
Abstract
Since late stage dementia, including Alzheimer's disease (AD), cannot be reversed by any available drugs, there is increasing research interest in the preclinical stage of AD, i.e., subjective cognitive decline (SCD). SCD is characterized by self-perceptive cognitive decline but is difficult to detect using objective tests. At SCD stage, the cognitive deficits can be more easily reversed compared to that of mild cognitive impairment (MCI) and AD only if accurate diagnosis of SCD and early intervention can be developed. In this paper, we review the recent progress of SCD research including current assessment tools, biomarkers, neuroimaging, intervention and expected prognosis, and the potential relevance to traumatic brain injury (TBI)-induced cognitive deficits.
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Affiliation(s)
- Tong Si
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Guoqiang Xing
- The Affiliated Hospital and the Second Clinical Medical College of North Sichuan Medical University, Nanchong Central Hospital, Nanchong, China
| | - Ying Han
- Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China.,National Clinical Research Center for Geriatric Disorders, Beijing, China.,Center of Alzheimer's Disease, Beijing Institute for Brain Disorders, Beijing, China
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Neville IS, Zaninotto AL, Hayashi CY, Rodrigues PA, Galhardoni R, Ciampi de Andrade D, Brunoni AR, Amorim RLO, Teixeira MJ, Paiva WS. Repetitive TMS does not improve cognition in patients with TBI: A randomized double-blind trial. Neurology 2019; 93:e190-e199. [PMID: 31175209 PMCID: PMC6656650 DOI: 10.1212/wnl.0000000000007748] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Accepted: 03/01/2019] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE To determine whether high-frequency repetitive transcranial magnetic stimulation (rTMS) improves cognition in patients with severe traumatic brain injury. METHODS A single-center, randomized, double-blind, placebo-controlled study of rTMS was conducted in patients aged 18-60 years with chronic (>12 months postinjury) diffuse axonal injury (DAI). Patients were randomized to either a sham or real group in a 1:1 ratio. A 10-session rTMS protocol was used with 10-Hz stimulation over the left dorsolateral prefrontal cortex (DLPFC). Neuropsychological assessments were performed at 3 time points: at baseline, after the 10th rTMS session, and 90 days after intervention. The primary outcome was change in executive function evaluated using the Trail Making Test Part B. RESULTS Thirty patients with chronic DAI met the study criteria. Between-group comparisons of performance on TMT Part B at baseline and after the 10th rTMS session did not differ between groups (p = 0.680 and p = 0.341, respectively). No significant differences were observed on other neuropsychological tests. No differences in adverse events between treatment groups were observed. CONCLUSIONS Cognitive function in individuals with chronic DAI is not improved by high-frequency rTMS over the left DLPFC, though it appears safe and well-tolerated in this population. CLINICALTRIALSGOV IDENTIFIER NCT02167971. CLASSIFICATION OF EVIDENCE This study provides Class II evidence that for individuals with chronic DAI, high-frequency rTMS over the left DLPFC does not significantly improve cognition.
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Affiliation(s)
- Iuri Santana Neville
- From the Division of Neurosurgery/LIM-62 (I.S.N., A.L.Z., C.Y.H., P.A.R., R.G., D.C.d.A., R.L.O.A., M.J.T., W.S.P.) and Department of Psychiatry, Instituto de Psiquiatria (A.R.B.), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, and Service of Interdisciplinary Neuromodulation (I.S.N., C.Y.H., R.G., D.C.d.A., A.R.B., M.J.T., W.S.P.), Universidade de Sao Paulo, Brazil; Neuromodulation Center (A.L.Z.), Spaulding Rehabilitation Hospital, Harvard Medical School, Boston, MA; School of Medicine (R.G.), Universidade da Cidade de Sao Paulo UNICID, Sao Paulo; and Department of Neurology (R.L.O.A.), Universidade Federal do Amazonas, Manaus, Brazil.
| | - Ana Luiza Zaninotto
- From the Division of Neurosurgery/LIM-62 (I.S.N., A.L.Z., C.Y.H., P.A.R., R.G., D.C.d.A., R.L.O.A., M.J.T., W.S.P.) and Department of Psychiatry, Instituto de Psiquiatria (A.R.B.), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, and Service of Interdisciplinary Neuromodulation (I.S.N., C.Y.H., R.G., D.C.d.A., A.R.B., M.J.T., W.S.P.), Universidade de Sao Paulo, Brazil; Neuromodulation Center (A.L.Z.), Spaulding Rehabilitation Hospital, Harvard Medical School, Boston, MA; School of Medicine (R.G.), Universidade da Cidade de Sao Paulo UNICID, Sao Paulo; and Department of Neurology (R.L.O.A.), Universidade Federal do Amazonas, Manaus, Brazil
| | - Cintya Yukie Hayashi
- From the Division of Neurosurgery/LIM-62 (I.S.N., A.L.Z., C.Y.H., P.A.R., R.G., D.C.d.A., R.L.O.A., M.J.T., W.S.P.) and Department of Psychiatry, Instituto de Psiquiatria (A.R.B.), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, and Service of Interdisciplinary Neuromodulation (I.S.N., C.Y.H., R.G., D.C.d.A., A.R.B., M.J.T., W.S.P.), Universidade de Sao Paulo, Brazil; Neuromodulation Center (A.L.Z.), Spaulding Rehabilitation Hospital, Harvard Medical School, Boston, MA; School of Medicine (R.G.), Universidade da Cidade de Sao Paulo UNICID, Sao Paulo; and Department of Neurology (R.L.O.A.), Universidade Federal do Amazonas, Manaus, Brazil
| | - Priscila Aparecida Rodrigues
- From the Division of Neurosurgery/LIM-62 (I.S.N., A.L.Z., C.Y.H., P.A.R., R.G., D.C.d.A., R.L.O.A., M.J.T., W.S.P.) and Department of Psychiatry, Instituto de Psiquiatria (A.R.B.), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, and Service of Interdisciplinary Neuromodulation (I.S.N., C.Y.H., R.G., D.C.d.A., A.R.B., M.J.T., W.S.P.), Universidade de Sao Paulo, Brazil; Neuromodulation Center (A.L.Z.), Spaulding Rehabilitation Hospital, Harvard Medical School, Boston, MA; School of Medicine (R.G.), Universidade da Cidade de Sao Paulo UNICID, Sao Paulo; and Department of Neurology (R.L.O.A.), Universidade Federal do Amazonas, Manaus, Brazil
| | - Ricardo Galhardoni
- From the Division of Neurosurgery/LIM-62 (I.S.N., A.L.Z., C.Y.H., P.A.R., R.G., D.C.d.A., R.L.O.A., M.J.T., W.S.P.) and Department of Psychiatry, Instituto de Psiquiatria (A.R.B.), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, and Service of Interdisciplinary Neuromodulation (I.S.N., C.Y.H., R.G., D.C.d.A., A.R.B., M.J.T., W.S.P.), Universidade de Sao Paulo, Brazil; Neuromodulation Center (A.L.Z.), Spaulding Rehabilitation Hospital, Harvard Medical School, Boston, MA; School of Medicine (R.G.), Universidade da Cidade de Sao Paulo UNICID, Sao Paulo; and Department of Neurology (R.L.O.A.), Universidade Federal do Amazonas, Manaus, Brazil
| | - Daniel Ciampi de Andrade
- From the Division of Neurosurgery/LIM-62 (I.S.N., A.L.Z., C.Y.H., P.A.R., R.G., D.C.d.A., R.L.O.A., M.J.T., W.S.P.) and Department of Psychiatry, Instituto de Psiquiatria (A.R.B.), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, and Service of Interdisciplinary Neuromodulation (I.S.N., C.Y.H., R.G., D.C.d.A., A.R.B., M.J.T., W.S.P.), Universidade de Sao Paulo, Brazil; Neuromodulation Center (A.L.Z.), Spaulding Rehabilitation Hospital, Harvard Medical School, Boston, MA; School of Medicine (R.G.), Universidade da Cidade de Sao Paulo UNICID, Sao Paulo; and Department of Neurology (R.L.O.A.), Universidade Federal do Amazonas, Manaus, Brazil
| | - Andre Russowsky Brunoni
- From the Division of Neurosurgery/LIM-62 (I.S.N., A.L.Z., C.Y.H., P.A.R., R.G., D.C.d.A., R.L.O.A., M.J.T., W.S.P.) and Department of Psychiatry, Instituto de Psiquiatria (A.R.B.), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, and Service of Interdisciplinary Neuromodulation (I.S.N., C.Y.H., R.G., D.C.d.A., A.R.B., M.J.T., W.S.P.), Universidade de Sao Paulo, Brazil; Neuromodulation Center (A.L.Z.), Spaulding Rehabilitation Hospital, Harvard Medical School, Boston, MA; School of Medicine (R.G.), Universidade da Cidade de Sao Paulo UNICID, Sao Paulo; and Department of Neurology (R.L.O.A.), Universidade Federal do Amazonas, Manaus, Brazil
| | - Robson L Oliveira Amorim
- From the Division of Neurosurgery/LIM-62 (I.S.N., A.L.Z., C.Y.H., P.A.R., R.G., D.C.d.A., R.L.O.A., M.J.T., W.S.P.) and Department of Psychiatry, Instituto de Psiquiatria (A.R.B.), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, and Service of Interdisciplinary Neuromodulation (I.S.N., C.Y.H., R.G., D.C.d.A., A.R.B., M.J.T., W.S.P.), Universidade de Sao Paulo, Brazil; Neuromodulation Center (A.L.Z.), Spaulding Rehabilitation Hospital, Harvard Medical School, Boston, MA; School of Medicine (R.G.), Universidade da Cidade de Sao Paulo UNICID, Sao Paulo; and Department of Neurology (R.L.O.A.), Universidade Federal do Amazonas, Manaus, Brazil
| | - Manoel Jacobsen Teixeira
- From the Division of Neurosurgery/LIM-62 (I.S.N., A.L.Z., C.Y.H., P.A.R., R.G., D.C.d.A., R.L.O.A., M.J.T., W.S.P.) and Department of Psychiatry, Instituto de Psiquiatria (A.R.B.), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, and Service of Interdisciplinary Neuromodulation (I.S.N., C.Y.H., R.G., D.C.d.A., A.R.B., M.J.T., W.S.P.), Universidade de Sao Paulo, Brazil; Neuromodulation Center (A.L.Z.), Spaulding Rehabilitation Hospital, Harvard Medical School, Boston, MA; School of Medicine (R.G.), Universidade da Cidade de Sao Paulo UNICID, Sao Paulo; and Department of Neurology (R.L.O.A.), Universidade Federal do Amazonas, Manaus, Brazil
| | - Wellingson Silva Paiva
- From the Division of Neurosurgery/LIM-62 (I.S.N., A.L.Z., C.Y.H., P.A.R., R.G., D.C.d.A., R.L.O.A., M.J.T., W.S.P.) and Department of Psychiatry, Instituto de Psiquiatria (A.R.B.), Hospital das Clinicas HCFMUSP, Faculdade de Medicina, and Service of Interdisciplinary Neuromodulation (I.S.N., C.Y.H., R.G., D.C.d.A., A.R.B., M.J.T., W.S.P.), Universidade de Sao Paulo, Brazil; Neuromodulation Center (A.L.Z.), Spaulding Rehabilitation Hospital, Harvard Medical School, Boston, MA; School of Medicine (R.G.), Universidade da Cidade de Sao Paulo UNICID, Sao Paulo; and Department of Neurology (R.L.O.A.), Universidade Federal do Amazonas, Manaus, Brazil
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Zaninotto AL, El-Hagrassy MM, Green JR, Babo M, Paglioni VM, Benute GG, Paiva WS. Transcranial direct current stimulation (tDCS) effects on traumatic brain injury (TBI) recovery: A systematic review. Dement Neuropsychol 2019; 13:172-179. [PMID: 31285791 PMCID: PMC6601308 DOI: 10.1590/1980-57642018dn13-020005] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Traumatic brain injury (TBI) is a major cause of chronic disability. Less than a
quarter of moderate and severe TBI patients improved in their cognition within 5
years. Non-invasive brain stimulation, including transcranial direct current
stimulation (tDCS), may help neurorehabilitation by boosting adaptive
neuroplasticity and reducing pathological sequelae following TBI.
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Affiliation(s)
- Ana Luiza Zaninotto
- Speech and Feeding Disorders Lab, MGH Institute of Health Professions (MGH IHP), Boston, USA
| | - Mirret M El-Hagrassy
- Neuromodulation Center, Spaulding Rehabilitation Hospital, Harvard Medical School (HMS), Boston, USA
| | - Jordan R Green
- Speech and Feeding Disorders Lab, MGH Institute of Health Professions (MGH IHP), Boston, USA
| | - Maíra Babo
- Hospital das Clínicas, Faculdade de Medicina da Universidade de São Paulo, Department of Neurology, São Paulo, SP, Brazil
| | - Vanessa Maria Paglioni
- Hospital das Clínicas, Faculdade de Medicina da Universidade de São Paulo, Department of Neurology, São Paulo, SP, Brazil
| | | | - Wellingson Silva Paiva
- Hospital das Clínicas, Faculdade de Medicina da Universidade de São Paulo, Department of Neurology, São Paulo, SP, Brazil
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D'Souza A, Mollayeva S, Pacheco N, Javed F, Colantonio A, Mollayeva T. Measuring Change Over Time: A Systematic Review of Evaluative Measures of Cognitive Functioning in Traumatic Brain Injury. Front Neurol 2019; 10:353. [PMID: 31133955 PMCID: PMC6517520 DOI: 10.3389/fneur.2019.00353] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Accepted: 03/22/2019] [Indexed: 12/19/2022] Open
Abstract
Objectives: The purpose of evaluative instruments is to measure the magnitude of change in a construct of interest over time. The measurement properties of these instruments, as they relate to the instrument's ability to fulfill its purpose, determine the degree of certainty with which the results yielded can be viewed. This work systematically reviews all instruments that have been used to evaluate cognitive functioning in persons with traumatic brain injury (TBI), and critically assesses their evaluative measurement properties: construct validity, test-retest reliability, and responsiveness. Data Sources: MEDLINE, Central, EMBASE, Scopus, PsycINFO were searched from inception to December 2016 to identify longitudinal studies focused on cognitive evaluation of persons with TBI, from which instruments used for measuring cognitive functioning were abstracted. MEDLINE, instrument manuals, and citations of articles identified in the primary search were then screened for studies on measurement properties of instruments utilized at least twice within the longitudinal studies. Study Selection: All English-language, peer-reviewed studies of longitudinal design that measured cognition in adults with a TBI diagnosis over any period of time, identified in the primary search, were used to identify instruments. A secondary search was carried out to identify all studies that assessed the evaluative measurement properties of the instruments abstracted in the primary search. Data Extraction: Data on psychometric properties, cognitive domains covered and clinical utility were extracted for all instruments. Results: In total, 38 longitudinal studies from the primary search, utilizing 15 instruments, met inclusion and quality criteria. Following review of studies identified in the secondary search, it was determined that none of the instruments utilized had been assessed for all the relevant measurement properties in the TBI population. The most frequently assessed property was construct validity. Conclusions: There is insufficient evidence for the validity and reliability of instruments measuring cognitive functioning, longitudinally, in persons with TBI. Several instruments with well-defined construct validity in TBI samples warrant further assessment for test-retest reliability and responsiveness. Registration Number: www.crd.york.ac.uk/PROSPERO/, identifier CRD42017055309.
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Affiliation(s)
- Andrea D'Souza
- Rehabilitation Sciences Institute, University of Toronto, Toronto, ON, Canada.,Toronto Rehabilitation Institute-University Health Network, Toronto, ON, Canada.,Acquired Brain Injury Research Lab, University of Toronto, Toronto, ON, Canada
| | - Shirin Mollayeva
- Toronto Rehabilitation Institute-University Health Network, Toronto, ON, Canada.,Acquired Brain Injury Research Lab, University of Toronto, Toronto, ON, Canada
| | - Nicole Pacheco
- Faculty of Life Sciences, McMaster University, Hamilton, ON, Canada
| | - Fiza Javed
- Department of Biology, University of Toronto Mississauga, Mississauga, ON, Canada
| | - Angela Colantonio
- Rehabilitation Sciences Institute, University of Toronto, Toronto, ON, Canada.,Toronto Rehabilitation Institute-University Health Network, Toronto, ON, Canada.,Acquired Brain Injury Research Lab, University of Toronto, Toronto, ON, Canada
| | - Tatyana Mollayeva
- Rehabilitation Sciences Institute, University of Toronto, Toronto, ON, Canada.,Toronto Rehabilitation Institute-University Health Network, Toronto, ON, Canada.,Acquired Brain Injury Research Lab, University of Toronto, Toronto, ON, Canada
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8
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Mollayeva T, Mollayeva S, Pacheco N, D'Souza A, Colantonio A. The course and prognostic factors of cognitive outcomes after traumatic brain injury: A systematic review and meta-analysis. Neurosci Biobehav Rev 2019; 99:198-250. [PMID: 30641116 DOI: 10.1016/j.neubiorev.2019.01.011] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 08/16/2018] [Accepted: 01/10/2019] [Indexed: 12/18/2022]
Abstract
Despite indications that TBI may be a precursor of cognitive decline and subsequent development of Alzheimer's disease, little is known about the time course of this relationship and the factors involved. This systematic review summarizes the evidence pertinent to this subject matter. All English language studies of longitudinal design, and works cited within them, found in six literature databases, were considered, and their quality assessed. Of 65 articles appraised, 44 studies were selected. Results were organized by timing of assessments, injury severity, and cognitive domains assessed. Differences in the course of cognitive performance were observed across injury severity groups and cognitive domains, with differential proportions of reports of improvement, decline, or no change over time. The evidence for genetic, sex-, age-, and injury-related factors as determinants of cognitive outcome was inconsistent. The non-uniform trajectory of cognitive performance post-TBI supports the notion that this construct is non-homogeneous, and that different factors influence its course. Agreement on a core set of predictors and consideration of psychometric properties of outcome measures is needed.
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Affiliation(s)
- Tatyana Mollayeva
- Rehabilitation Sciences Institute, Faculty of Medicine, University of Toronto, Canada; Toronto Rehabilitation Institute-University Health Network, Ontario, Canada; Acquired Brain Injury Research Lab, University of Toronto, Canada.
| | - Shirin Mollayeva
- Toronto Rehabilitation Institute-University Health Network, Ontario, Canada.
| | - Nicole Pacheco
- Acquired Brain Injury Research Lab, University of Toronto, Canada; Faculty of Health Sciences, McMaster University, Canada.
| | - Andrea D'Souza
- Acquired Brain Injury Research Lab, University of Toronto, Canada.
| | - Angela Colantonio
- Rehabilitation Sciences Institute, Faculty of Medicine, University of Toronto, Canada; Toronto Rehabilitation Institute-University Health Network, Ontario, Canada; Acquired Brain Injury Research Lab, University of Toronto, Canada.
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9
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Ogunlade J, Elia C, Duong J, Yanez PJ, Dong F, Wacker MR, Menoni R, Goldenberg T, Miulli DE. Severe Traumatic Brain Injury Requiring Surgical Decompression in the Young Adult: Factors Influencing Morbidity and Mortality - A Retrospective Analysis. Cureus 2018; 10:e3042. [PMID: 30258741 PMCID: PMC6153092 DOI: 10.7759/cureus.3042] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Accepted: 07/23/2018] [Indexed: 12/04/2022] Open
Abstract
INTRODUCTION Severe traumatic brain injury (TBI) is a leading cause of morbidity and mortality among young adults. The clinical outcome may also be difficult to predict. We aim to identify the factors predictive of favorable and unfavorable clinical outcomes for youthful patients with severe TBI who have the option of surgical craniotomy or surgical craniectomy. METHODS A retrospective review at a single Level II trauma center was conducted, identifying patients aged 18 to 30 years with isolated severe TBI with a mass-occupying lesion requiring emergent (< 6 hours from time of arrival) surgical decompression. Glasgow Coma Scale (GCS) score on arrival, type of surgery performed, mechanism of injury, length of hospital stay, Glasgow Outcome Score (GOS), mortality, and radiographic findings were recorded. A favorable outcome was a GOS of four or five at 30 days post operation, while an unfavorable outcome was GOS of 1 to 3. RESULTS Fifty patients were included in the final analysis. Closed head injuries (skull and dura intact), effacement of basal cisterns, disproportional midline shift (MLS), and GCS 3-5 on arrival all correlated with statistically significant higher rate of mortality and poor 30-day functional outcome. All mortalities (6/50 patients) were positive for each of these findings. CONCLUSIONS Closed head injuries, the presenting GCS 3-5, the presence of MLS disproportional to the space occupying lesion (SOL), and effacement of basal cisterns on the initial computed tomography of the head all correlated with unfavorable 30-day outcome. Future prospective studies investigating a larger cohort may provide further insight into patients suffering from severe TBI.
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Affiliation(s)
- John Ogunlade
- Neurosurgery, Riverside University Health System Medical Center, Riverside, USA
| | - Chris Elia
- Neurosurgery, Riverside University Health System Medical Center, Riverside, USA
| | - Jason Duong
- Neurosurgery, Riverside University Health System Medical Center, Rancho Cucamonga, USA
| | | | - Fanglong Dong
- Clinical Research, Western University of Health Sciences, Pomona, USA
| | | | | | - Todd Goldenberg
- Neurosurgery, Kaiser Permanente Fontana Medical Center, Fontana, USA
| | - Dan E Miulli
- Neurosurgery, Riverside University Health System Medical Center, Moreno Valley, USA
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10
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Stewan Feltrin F, Zaninotto AL, Guirado VMP, Macruz F, Sakuno D, Dalaqua M, Magalhães LGA, Paiva WS, Andrade AFD, Otaduy MCG, Leite CC. Longitudinal changes in brain volumetry and cognitive functions after moderate and severe diffuse axonal injury. Brain Inj 2018; 32:1208-1217. [PMID: 30024781 DOI: 10.1080/02699052.2018.1494852] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
BACKGROUND AND OBJECTIVE Diffuse axonal injury (DAI) induces a long-term process of brain atrophy and cognitive deficits. The goal of this study was to determine whether there are correlations between brain volume loss, microhaemorrhage load (MHL) and neuropsychological performance during the first year after DAI. METHODS Twenty-four patients with moderate or severe DAI were evaluated at 2, 6 and 12 months post-injury. MHL was evaluated at 3 months, and brain volumetry was evaluated at 3, 6 and 12 months. The trail making test (TMT) was used to evaluate executive function (EF), and the Hopkins verbal learning test (HVLT) was used to evaluate episodic verbal memory (EVM) at 6 and 12 months. RESULTS There were significant white matter volume (WMV), subcortical grey matter volume and total brain volume (TBV) reductions during the study period (p < 0.05). MHL was correlated only with WMV reduction. EF and EVM were not correlated with MHL but were, in part, correlated with WMV and TBV reductions. CONCLUSIONS Our findings suggest that MHL may be a predictor of WMV reduction but cannot predict EF or EVM in DAI. Brain atrophy progresses over time, but patients showed better EF and EVM in some of the tests, which could be due to neuroplasticity.
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Affiliation(s)
- Fabrício Stewan Feltrin
- a Laboratory of Magnetic Resonance, LIM44, Department of Radiology , Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo , Sao Paulo , SP , Brazil
| | - Ana Luiza Zaninotto
- b Division of Psychology , Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo , Sao Paulo , SP , Brazil
| | - Vinícius M P Guirado
- c Division of Neurosurgery , Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo , Sao Paulo , SP , Brazil
| | - Fabiola Macruz
- a Laboratory of Magnetic Resonance, LIM44, Department of Radiology , Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo , Sao Paulo , SP , Brazil
| | - Daniel Sakuno
- d Department of Radiology , Hospital Universitário HU-UEPG, Universidade Estadual de Ponta Grossa , Ponta Grossa , Brazil
| | - Mariana Dalaqua
- e Department of Radiology , Hospital Israelita Albert Einstein , São Paulo , Brazil
| | | | - Wellingson Silva Paiva
- c Division of Neurosurgery , Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo , Sao Paulo , SP , Brazil
| | - Almir Ferreira de Andrade
- c Division of Neurosurgery , Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo , Sao Paulo , SP , Brazil
| | - Maria C G Otaduy
- a Laboratory of Magnetic Resonance, LIM44, Department of Radiology , Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo , Sao Paulo , SP , Brazil
| | - Claudia C Leite
- a Laboratory of Magnetic Resonance, LIM44, Department of Radiology , Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de Sao Paulo , Sao Paulo , SP , Brazil
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11
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Hayashi CY, Neville IS, Rodrigues PA, Galhardoni R, Brunoni AR, Zaninotto AL, Guirado VMDP, Cueva AS, de Andrade DC, Teixeira MJ, Paiva WS. Altered Intracortical Inhibition in Chronic Traumatic Diffuse Axonal Injury. Front Neurol 2018; 9:189. [PMID: 29643831 PMCID: PMC5882787 DOI: 10.3389/fneur.2018.00189] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2016] [Accepted: 03/12/2018] [Indexed: 11/13/2022] Open
Abstract
Background Overactivation of NMDA-mediated excitatory processes and excess of GABA-mediated inhibition are attributed to the acute and subacute phases, respectively, after a traumatic brain injury (TBI). However, there are few studies regarding the circuitry during the chronic phase of brain injury. Objective To evaluate the cortical excitability (CE) during the chronic phase of TBI in victims diagnosed with diffuse axonal injury (DAI). Methods The 22 adult subjects were evaluated after a minimum of 1 year from the onset of moderate or severe TBI. Each of the subjects first had a comprehensive neuropsychological assessment to evaluate executive functions-attention, memory, verbal fluency, and information processing speed. Then, CE assessment was performed with a circular coil applying single-pulse and paired-pulse transcranial magnetic stimulation over the cortical representation of the abductor pollicis brevis muscle on M1 of both hemispheres. The CE parameters measured were resting motor threshold (RMT), motor-evoked potentials (MEPs), short-interval intracortical inhibition (SIICI), and intracortical facilitation (ICF). All data were compared with that of a control group that consisted of the healthy age-matched individuals. Results No significant differences between the left and right hemispheres were detected in the DAI subjects. Therefore, parameters were analyzed as pooled data. Values of RMT, MEPs, and ICF from DAI patients were within normal limits. However, SIICI values were higher in the DAI group-DAI SIICI = 1.28 (1.01; 1.87) versus the control value = 0.56 (0.33; 0.69)-suggesting that they had a disarranged inhibitory system (p < 0.001). By contrast, the neuropsychological findings had weak correlation with the CE data. Conclusion As inhibition processes involve GABA-mediated circuitry, it is likely that the DAI pathophysiology itself (disruption of axons) may deplete GABA and contribute to ongoing disinhibition of these neural circuits of the cerebrum during the chronic phase of DAI.
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Affiliation(s)
- Cintya Yukie Hayashi
- Department of Neurology, School of Medicine, University of São Paulo (USP), São Paulo, Brazil
| | - Iuri Santana Neville
- Department of Neurology, School of Medicine, University of São Paulo (USP), São Paulo, Brazil
| | | | - Ricardo Galhardoni
- Department of Neurology, School of Medicine, University of São Paulo (USP), São Paulo, Brazil.,School of Medicine, Universidade da Cidade de São Paulo (UNICID), São Paulo, Brazil
| | - André Russowsky Brunoni
- Service of Interdisciplinary Neuromodulation, Institute of Psychiatry, Hospital das Clínicas HCFMUSP, University of São Paulo (USP), São Paulo, Brazil
| | - Ana Luiza Zaninotto
- Department of Neurology, School of Medicine, University of São Paulo (USP), São Paulo, Brazil.,Division of Psychology, Hospital das Clínicas HCFMUSP, University of São Paulo (USP), São Paulo, Brazil
| | | | - Ana Sofia Cueva
- Department of Neurology, School of Medicine, University of São Paulo (USP), São Paulo, Brazil
| | | | | | - Wellingson Silva Paiva
- Department of Neurology, School of Medicine, University of São Paulo (USP), São Paulo, Brazil
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12
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Poiani GDCR, Zaninotto AL, Carneiro AMC, Zangaro RA, Salgado ASI, Parreira RB, de Andrade AF, Teixeira MJ, Paiva WS. Photobiomodulation using low-level laser therapy (LLLT) for patients with chronic traumatic brain injury: a randomized controlled trial study protocol. Trials 2018; 19:17. [PMID: 29310710 PMCID: PMC5759360 DOI: 10.1186/s13063-017-2414-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Accepted: 12/15/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Photobiomodulation using low-level laser therapy (LLLT) has been tested as a new technique to optimize recovery of patients with traumatic brain injury (TBI). The aim of this study is to evaluate inhibitory attentional control after 18 sessions of active LLLT and compare with the placebo group (sham LLLT). Our exploratory analysis will evaluate the efficacy of the active LLLT on verbal and visuospatial episodic memory, executive functions (working memory, verbal and visuospatial fluency, attentional processes), and anxiety and depressive symptoms compared to the sham group. METHODS/DESIGN A randomized double-blinded trial will be made in 36 patients with moderate and severe TBI. The active LLLT will use an optical device composed of LEDs emitting 632 nm of radiation at the site with full potency of 830 mW. The cranial region with an area of 400 cm2 will be irradiated for 30 min, giving a total dose per session of 3.74 J/cm2. The sham LLLT group contains only an LED device with power < 1 mW, only serving to simulate the irradiation. Each patient will be irradiated three times per week for six weeks, totaling 18 sessions. Neuropsychological assessments will be held one week before the beginning of the sessions, after one week, and three months after the end of LLLT sessions. Memory domain, attention, executive functioning, and visual construction will be evaluated, in addition to symptoms of depression, anxiety, and social demographics. DISCUSSION LLLT has been demonstrated as a safe and effective technique in significantly improving the memory, attention, and mood performance in healthy and neurologic patients. We expect that our trial can complement previous finds, as an effective low-cost therapy to improve cognitive sequel after TBI. TRIAL REGISTRATION ClinicalTrials.gov, NCT02393079 . Registered on 20 February 2015.
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Affiliation(s)
- Guilherme da Cruz Ribeiro Poiani
- Division of Neurosurgery, University of Sao Paulo Medical School, Av. Dr. Arnaldo, 455 - Cerqueira César, 01246-903, Sao Paulo, SP, Brazil.
| | - Ana Luiza Zaninotto
- Division of Psychology at Hospital of Clinics, University of Sao Paulo Medical School, Sao Paulo, Brazil.,Division of Neurosurgery, University of Sao Paulo Medical School, Av. Dr. Arnaldo, 455 - Cerqueira César, 01246-903, Sao Paulo, SP, Brazil
| | - Ana Maria Costa Carneiro
- Institute of Biomedical Engineering, Anhembi Morumbi University, Sao Jose dos Campos, Sao Paulo, Brazil
| | - Renato Amaro Zangaro
- Institute of Biomedical Engineering, Anhembi Morumbi University, Sao Jose dos Campos, Sao Paulo, Brazil.,Center for Innovation, Technology and Education - CTE, Sao Jose dos Campos, Sao Paulo, Brazil
| | | | - Rodolfo Borges Parreira
- Salgado Institute of Integral Health; School of Postural and Manual Therapy, Londrina, Parana, Brazil
| | - Almir Ferreira de Andrade
- Division of Neurosurgery, University of Sao Paulo Medical School, Av. Dr. Arnaldo, 455 - Cerqueira César, 01246-903, Sao Paulo, SP, Brazil
| | - Manoel Jacobsen Teixeira
- Division of Neurosurgery, University of Sao Paulo Medical School, Av. Dr. Arnaldo, 455 - Cerqueira César, 01246-903, Sao Paulo, SP, Brazil
| | - Wellingson Silva Paiva
- Division of Neurosurgery, University of Sao Paulo Medical School, Av. Dr. Arnaldo, 455 - Cerqueira César, 01246-903, Sao Paulo, SP, Brazil
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