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Kumagawa T, Otaki R, Maeda T, Shijo K, Yoshino A. Consideration of Brain CT Imaging Standard for Mild Head Injuries. Neurol Med Chir (Tokyo) 2024; 64:247-252. [PMID: 38719579 DOI: 10.2176/jns-nmc.2023-0297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/18/2024] Open
Abstract
It has been reported that various clinical criteria indicate computed tomography (CT) examination for mild head injury (MHI). However, the decision to perform CT for MHI largely depends on the physician. Data on severe head injuries is available in sources such as the Japan Neurotrauma Data Bank, but only a few data has been collected on MHI. A total of 1688 patients with MHI (Glasgow Coma Scale 14 and 15) treated at our hospital from June 2017 to May 2019 were reviewed. CT was performed in 1237 patients (73.28%), and intracranial hemorrhage was detected in 50 patients. Three patients deteriorated, and all were surgically treated. Statistical analysis of the presence or absence of acute intracranial hemorrhage and "risk factors for complications of intracranial lesions in MHI" showed significant differences in unclear or ambiguous accident history (p = 0.022), continued post-traumatic amnesia (p < 0.01), trauma above the clavicles including clinical signs of skull fracture (skull base or depressed skull fracture) (p = 0.012), age <60 years (p < 0.01), coagulation disorders (p < 0.01), and alcohol or drug intoxication (p < 0.01). The 453 patients who did not satisfy these risk factors included only one patient with intracranial hemorrhage, so the negative predictive value was 99.78%. This study shows that the "risk factors for complications of intracranial lesions in MHI" are effective criteria for excluding acute intracranial hemorrhage and CT should be actively considered for patients with the above factors that showed significant differences.
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Affiliation(s)
- Takahiro Kumagawa
- Department of Neurological Surgery, Nihon University School of Medicine
| | - Ryo Otaki
- Department of Neurological Surgery, Nihon University School of Medicine
| | - Takeshi Maeda
- Department of Neurological Surgery, Nihon University School of Medicine
| | - Katsunori Shijo
- Department of Neurological Surgery, Nihon University School of Medicine
| | - Atsuo Yoshino
- Department of Neurological Surgery, Nihon University School of Medicine
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Uchiyama M, Mori K, Abe T, Imaki S. Risk factors for clinically important traumatic brain injury in minor head injury in older people. Am J Emerg Med 2024; 80:156-161. [PMID: 38608468 DOI: 10.1016/j.ajem.2024.04.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 02/26/2024] [Accepted: 04/01/2024] [Indexed: 04/14/2024] Open
Abstract
BACKGROUND AND OBJECTIVES The incidence of traumatic brain injury (TBI) in older individuals is increasing with an increase in the older population. For older people, the required medical interventions and hospitalization following minor head injury have negative impacts, which have not been reported in literature up till now. We aimed to investigate the risk factors for clinically important traumatic brain injury (ciTBI) in older patients with minor head injury. METHODS This is a retrospective single-center cohort study. Older patients aged ≥65 years presenting with head injury and a Glasgow Coma Scale (GCS) score of ≥13 upon arrival at the hospital between January 1, 2018, and October 31, 2021, were included. Patients with an injury duration of ≥24 h were excluded. The primary outcome was defined as ciTBI (including death, surgery, intubation, medical interventions, and hospital stays of ≥2 nights). Multiple logistic regression analysis was conducted to identify the risk factors. RESULTS A total of 296 patients were included initially, and 6 of them were excluded subsequently. ciTBI was identified in 62 cases. According to the results of the multiple logistic regression analysis, GCS scores of ≤14 (OR 3.72, 95% CI 1.89-7.30), high-risk mechanisms of injury (OR 2.80, 95% CI 1.39-5.64), vomiting (OR 5.01, 95% CI 1.19-21.1), and retrograde amnesia (OR 6.90, 95% CI 3.37-14.1) were identified as risk factors. CONCLUSION In older patients with minor head injury, GCS ≤14, high-risk mechanisms of injury, vomiting, and retrograde amnesia are risk factors for ciTBI.
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Affiliation(s)
- Makoto Uchiyama
- Department of Emergency Medicine, Yokohama Municipal Citizen's Hospital, 1-1 Mitsuzawanishimachi, Kanagawa-ku, Yokohama-shi, Kanagawa 221-0855, Japan; Department of Surgery, Shin-Kuki General Hospital, 418-1 Kamihayami, Kuki-shi, Saitama 346-8530, Japan.
| | - Kosuke Mori
- Department of Emergency Medicine, Yokohama Municipal Citizen's Hospital, 1-1 Mitsuzawanishimachi, Kanagawa-ku, Yokohama-shi, Kanagawa 221-0855, Japan
| | - Takeru Abe
- Center for Integrated Science and Humanities, Fukushima Medical University, 1 Hikariga-oka, Fukushima-shi, Fukushima 960-1295, Japan.
| | - Shohei Imaki
- Department of Emergency Medicine, Yokohama Municipal Citizen's Hospital, 1-1 Mitsuzawanishimachi, Kanagawa-ku, Yokohama-shi, Kanagawa 221-0855, Japan.
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Rasmussen AV, Jensen RH, Gantenbein A, Sumelahti ML, Braschinsky M, Lagrata S, Tamela K, Trouerbach-Kraan J, Matharu MS, Dalevi V, Smits-Kimman H, Munksgaard SB, Tröndle J, Eriksen MØ, Gravdahl GB, Larsen CN, Tomkins E, Hassinen M, Øie LR, Karlsson LE, Mose LS. Consensus recommendations on the role of nurses in headache care: A European e-Delphi study. Cephalalgia 2024; 44:3331024241252161. [PMID: 38708967 DOI: 10.1177/03331024241252161] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/07/2024]
Abstract
BACKGROUND Nurses work at headache centres throughout Europe, and their care for migraine patients is acknowledged. However, the specific roles and tasks of nursing vary, and a unified understanding is lacking, posing challenges to knowledge sharing and research. OBJECTIVES Using an e-Delphi study method, the objective is to obtain healthcare professional headache experts' opinions on nursing-specific roles and tasks and combine this into consensus statements for nurse recommendations for migraine treatment. METHODS A three-round questionnaire study was conducted with nurses and neurologists from 18 specialised headache centres in 10 countries. In round 1, statements were compiled from a systematic examination of existing literature and expert opinions. In rounds 2 and 3, the experts rated the importance of statements (from round 1) on a 5-point Likert scale. Statements were analysed using a content analysis method, and the consensus of pre-defined statements was evaluated with gradually increased predetermined criteria using descriptive statistics. RESULTS Twenty-one experts, representing all 10 countries, participated. The predetermined consensus of ≥70% agreement was reached for 42 out of the initial 63 statements. These statements formed the final recommendations within two themes: "The nurses' roles and tasks in the clinical setting" and "The nurses' roles and tasks in educating patients and colleagues." The consensus level of statements was strong, with 40% receiving unanimous agreement (100%) and 97% achieving relatively high agreement (>80%). CONCLUSION Nursing plays a vital role with diverse tasks in migraine care. This study offers practical recommendations and a framework for nurses, equipping them with a clinical tool to enhance care and promote a coordinated approach to migraine treatment.
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Affiliation(s)
| | - Rigmor Hoejland Jensen
- Danish Headache Center, Department of Neurology, Rigshospitalet-Glostrup, University of Copenhagen, Copenhagen, Denmark
| | - Andres Gantenbein
- Pain & Research Department, Rehabilitation Center ZURZACH Care, Bad Zurzach, Switzerland
- Department of Neurology, University Hospital Zurich, Zurich, Switzerland
| | | | - Mark Braschinsky
- Department of Neurology, Tartu University Hospital, Tartu, Estonia
- Neurology Clinic, University of Tartu, Tartu, Estonia
| | - Susie Lagrata
- Headache and Facial Pain Group, The National Hospital for Neurology and Neurosurgery, UCLH NHS Foundation Trust, London, UK
| | - Kristi Tamela
- Department of Neurology, Tartu University Hospital, Tartu, Estonia
| | | | - Manjit S Matharu
- Headache and Facial Pain Group, University College London, Queen Square Institute of Neurology, London, UK
- The National Hospital for Neurology and Neurosurgery, London, UK
| | - Veronica Dalevi
- Region Värmland, Neurologi- Och Rehabiliteringsmottagningen, Centralsjukhuset, Karlstad, Sweden
| | | | | | - Johannes Tröndle
- Neurorehabilitation Department, Rehaklinik Bad Zurzach, Switzerland
| | - Maren Østergaard Eriksen
- Danish Headache Center, Department of Neurology, Rigshospitalet-Glostrup, University of Copenhagen, Copenhagen, Denmark
| | - Gøril Bruvik Gravdahl
- Norwegian Advisory Unit on Headaches, St. Olav University Hospital, Trondheim, Norway
- NorHEAD, Norwegian Headache Research Centre, Norway
- Department of Neuromedicine and Movement Science, NTNU, Trondheim, Norway
| | | | - Esther Tomkins
- Neurology Department, Beaumont Hospital, Dublin, Ireland
| | - Marja Hassinen
- Neurocenter, Helsinki University Hospital, Neurology Outpatient Clinic & Helsinki Headache Center, Helsinki, Finland
| | - Lise Rystad Øie
- Department of neurology, St Olav University hospital, Norwegian Headache Research Centre (Norhead), Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | | | - Louise Schlosser Mose
- Research Unit of Neurology, University Hospital of Southern Denmark, Esbjerg, Denmark
- Department of Regional Health Research, University of Southern Denmark, Odense, Denmark
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Chien SC, Kang SC, Tu PH, Chen CC, Tee YS, Liao CH, Chuang CC, Fu CY. Nuance and profound impact: Evaluating the effects of the unmet full coma scale in patients with mild subdural hemorrhage. Am J Emerg Med 2024; 77:60-65. [PMID: 38103392 DOI: 10.1016/j.ajem.2023.11.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 11/17/2023] [Accepted: 11/18/2023] [Indexed: 12/19/2023] Open
Abstract
INTRODUCTION Patients with subdural hemorrhage (SDH) and a Glasgow Coma Scale (GCS) score of 13-15 are typically categorized as having mild traumatic brain injury. We hypothesize that patients without a maximum GCS score - specifically, patients with GCS scores of 13 and 14 - may exhibit poorer neurological outcomes. METHOD Between January 1, 2019, and December 31, 2020, SDH patients with GCS scores ranging from 13 to 15 were retrospectively studied. We compared outcomes between patients with a maximum GCS score of 15 and those with scores of either 13 or 14. Independent factors associated with neurological deterioration among patients with a GCS score of 15 were evaluated using multivariate logistic regression (MLR) analysis. RESULTS During the study period, 470 patients with SDH and GCS scores between 13 and 15 were examined. Compared to patients with a maximum GCS score (N = 375), those in the GCS 13-14 group (N = 95) showed significantly higher rates of neurological deterioration (33.7% vs. 10.4%, p value <0.001) and neurosurgical interventions (26.3% vs. 16.3%, p value <0.024). Moreover, the GCS 13-14 group had a significantly poorer prognosis than patients with a GCS score of 15 [mortality rate: 7.4% vs. 2.4%, p value <0.017; rate of impaired consciousness at discharge: 21.1% vs. 4.0%, p value <0.001; and rate of neurological disability at discharge: 29.5% vs. 6.9%, p value <0.001]. The MLR analysis revealed that SDH thickness (odds ratio = 1.127, p value = 0.006) was an independent risk factor for neurological disability at discharge in patients with a GCS score of 15. CONCLUSION Among SDH patients with mild TBI, those with GCS scores of 13-14 exhibited poorer neurological outcomes than those with a maximum GCS score. The thickness of the SDH is positively associated with neurological disability in SDH patients with a maximum GCS score.
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Affiliation(s)
- Shuo-Chi Chien
- Department of Neurosurgery, Chang Gung Memorial Hospital, Linkou Medical Center, Chang Gung Medical College &University, Taoyuan City, Taiwan
| | - Shih-Ching Kang
- Department of Trauma and Emergency Surgery, Chang Gung Memorial Hospital, Linkou Medical Center, Chang Gung Medical College & University, Taoyuan City, Taiwan
| | - Po-Hsun Tu
- Department of Neurosurgery, Chang Gung Memorial Hospital, Linkou Medical Center, Chang Gung Medical College &University, Taoyuan City, Taiwan
| | - Ching-Chang Chen
- Department of Neurosurgery, Chang Gung Memorial Hospital, Linkou Medical Center, Chang Gung Medical College &University, Taoyuan City, Taiwan
| | - Yu-San Tee
- Department of Trauma and Emergency Surgery, Chang Gung Memorial Hospital, Linkou Medical Center, Chang Gung Medical College & University, Taoyuan City, Taiwan
| | - Chien-Hung Liao
- Department of Trauma and Emergency Surgery, Chang Gung Memorial Hospital, Linkou Medical Center, Chang Gung Medical College & University, Taoyuan City, Taiwan
| | - Chi-Cheng Chuang
- Department of Neurosurgery, Chang Gung Memorial Hospital, Linkou Medical Center, Chang Gung Medical College &University, Taoyuan City, Taiwan.
| | - Chih-Yuan Fu
- Department of Trauma and Emergency Surgery, Chang Gung Memorial Hospital, Linkou Medical Center, Chang Gung Medical College & University, Taoyuan City, Taiwan.
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Jotie JM, Gustafson JA, Fonda JR, Fortier CB, Milberg WP, Fortenbaugh FC. Association of mild traumatic brain injury, post-traumatic stress disorder, and other comorbidities on photosensitivity. Optom Vis Sci 2024; 101:90-98. [PMID: 38408306 DOI: 10.1097/opx.0000000000002104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/28/2024] Open
Abstract
SIGNIFICANCE Photosensitivity is common after mild traumatic brain injury. However, this study demonstrates that photosensitivity is also impacted by common comorbidities that often occur with mild traumatic brain injury. Understanding how physical and psychological traumas impact photosensitivity can help improve provider care to trauma survivors and guide novel therapeutic interventions. PURPOSE This study aimed to characterize the association between mild traumatic brain injury and common comorbidities on photosensitivity in post-9/11 veterans. METHODS Existing data from the Translational Research Center for TBI and Stress Disorders cohort study were analyzed including traumatic brain injury history and post-traumatic stress disorder clinical diagnostic interviews; sleep quality, anxiety, and depression symptoms self-report questionnaires; and photosensitivity severity self-report from the Neurobehavioral Symptom Inventory. Analysis of covariance and multiple ordinal regression models were used to assess associations between mild traumatic brain injury and common comorbidities with photosensitivity severity. RESULTS Six hundred forty-one post-9/11 veterans were included in this study. An initial analysis showed that both mild traumatic brain injury and current post-traumatic stress disorder diagnosis were independently associated with higher photosensitivity ratings compared with veterans without either condition, with no interaction observed between these two conditions. Results of the ordinal regression models demonstrated positive associations between degree of photosensitivity and the number of mild traumatic brain injuries during military service and current post-traumatic stress disorder symptom severity, particularly hyperarousal symptoms, even when controlling for other factors. In addition, the degree of sleep disturbances and current anxiety symptoms were both positively associated with photosensitivity ratings, whereas depression symptoms, age, and sex were not. CONCLUSIONS Repetitive mild traumatic brain injury, post-traumatic stress disorder, anxiety, and sleep disturbances were all found to significantly impact photosensitivity severity and are therefore important clinical factors that eye care providers should consider when managing veterans with a history of deployment-related trauma reporting photosensitivity symptoms.
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Rakers SE, Liemburg EJ, van der Horn HJ, de Groot JC, Spikman JM, van der Naalt J. The impact of frontal lesions after mild to moderate traumatic brain injury on frontal network measures. PLoS One 2023; 18:e0287832. [PMID: 38033099 PMCID: PMC10688722 DOI: 10.1371/journal.pone.0287832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Accepted: 06/14/2023] [Indexed: 12/02/2023] Open
Abstract
To investigate the impact of frontal macro-structural lesions on intrinsic network measures, we examined brain network function during resting-state fMRI in patients with frontal lesions in the subacute phase after mild to moderate traumatic brain injury. Additionally, network function was related to neuropsychological performances. 17 patients with frontal lesions, identified on admission CT after mild to moderate trauma, were compared to 30 traumatic brain injury patients without frontal lesions and 20 healthy controls. Three months post-injury, we acquired fMRI scans and neuropsychological assessments (measuring frontal executive functions and information processing speed). Using independent component analysis, the activity of and connectivity between network components (largely located in the prefrontal cortex) and relations with neuropsychological measures were examined and compared across groups. The analysis yielded five predominantly frontal components: anterior and posterior part of the default mode network, left and right frontoparietal network and salience network. No significant differences concerning fMRI measures were found across groups. However, the frontal lesions group performed significantly worse on neuropsychological tests than the other two groups. Additionally, the frontal lesions group showed a significant positive association of stronger default mode network-salience network connectivity with better executive performances. Our findings suggest that, on fMRI level, frontal network measures are not largely affected by frontal lesions following a mild to moderate traumatic brain injury. Yet, patients with damage to the frontal structures did show poorer executive abilities which might to some degree be related to altered frontal network connectivity between the default mode network and salience network.
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Affiliation(s)
- Sandra E. Rakers
- Department of Clinical Neuropsychology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Edith J. Liemburg
- BCN Neuroimaging Center of the Department of Neuroscience, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Harm J. van der Horn
- Department of Neurology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Jan Cees de Groot
- Department of Radiology, Medical Imaging Centre, Groningen, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Jacoba M. Spikman
- Department of Clinical Neuropsychology, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Joukje van der Naalt
- Department of Neurology, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
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Lin Q, Liao J, Dong W, Zhou F, Xu Y. The relationship between hemoglobin/red blood cell distribution width ratio and mortality in patients with intracranial hemorrhage: a possible protective effect for the elderly? Intern Emerg Med 2023; 18:2301-2310. [PMID: 37740867 DOI: 10.1007/s11739-023-03431-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 09/08/2023] [Indexed: 09/25/2023]
Abstract
Intracranial hemorrhage (ICH) is a neurological emergency with a poor prognosis. This study aimed to understand the association between hemoglobin levels, red blood cell distribution width ratio (HRR), and mortality in patients with ICH. Information on patients with ICH was extracted from the Medical Information Mart for Intensive Care IV (MIMIC-IV) database. Cox proportional risk models were used to assess the relationship between HRR and 28-day and 90-day mortality, and constructed by adjusting for relevant covariates. Segmented regression models and smoothing curves were used to analyze the linear relationship between HRR and mortality. This study recruited 4,716 patients with ICH. The HRR Q4 group was negatively associated with the 28- and 90-day mortality. For patients aged > 65 years, the right-hand threshold inflection points of the HRR were 0.92 and 0.93, respectively, which were negatively associated with 28-day mortality (HR:0.06, 95% CI 0.01, 0.35, p = 0.0016) and with 90-day mortality (p = 0.0006). In the non-linear model, both 28-day mortality (HR, 0.17; 95% CI 0.04-0.75, p = 0.0191; HRR > 0.89) and 90-day mortality (HR, 0.13; 95% CI 0.04-0.49, p = 0.0022; HRR > 0.85) were associated in men. In the subgroup analysis, the negative association between HRR and mortality was more pronounced in patients > 65 years of age, as well as in patients with non-dementia, diabetes, and malignant cancer. We found a non-linear relationship between mortality and the HRR in elderly patients, and a higher HRR was negatively associated with mortality in patients with ICH.
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Affiliation(s)
- QianXia Lin
- Vascular Breast Surgery, Jiangxi Provincial People's Hospital, Nanchang, 330006, Jiangxi, China
- The First Affiliated Hospital of Nanchang Medical College, Nanchang, 330006, Jiangxi, China
| | - JinPing Liao
- Department of Infectious Diseases, Jiujiang First People's Hospital, Jiujiang, 330006, Jiangxi, China
| | - WeiHua Dong
- The First Affiliated Hospital of Nanchang Medical College, Nanchang, 330006, Jiangxi, China
- Medical Security Division, Jiangxi Provincial People's Hospital, Nanchang, 330006, Jiangxi, People's Republic of China
| | - Fang Zhou
- Vascular Breast Surgery, Jiangxi Provincial People's Hospital, Nanchang, 330006, Jiangxi, China.
- The First Affiliated Hospital of Nanchang Medical College, Nanchang, 330006, Jiangxi, China.
| | - Yun Xu
- The First Affiliated Hospital of Nanchang Medical College, Nanchang, 330006, Jiangxi, China.
- Medical Security Division, Jiangxi Provincial People's Hospital, Nanchang, 330006, Jiangxi, People's Republic of China.
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Park N, Barbieri G, Turcato G, Cipriano A, Zaboli A, Giampaoli S, Bonora A, Ricci G, Santini M, Ghiadoni L. Multi-centric study for development and validation of a CT head rule for mild traumatic brain injury in direct oral anticoagulants: the HERO-M nomogram. BMC Emerg Med 2023; 23:122. [PMID: 37840139 PMCID: PMC10578033 DOI: 10.1186/s12873-023-00884-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 09/08/2023] [Indexed: 10/17/2023] Open
Abstract
BACKGROUND Nomograms are easy-to-handle clinical tools which can help in estimating the risk of adverse outcome in certain population. This multi-center study aims to create and validate a simple and usable clinical prediction nomogram for individual risk of post-traumatic Intracranial Hemorrhage (ICH) after Mild Traumatic Brain Injury (MTBI) in patients treated with Direct Oral Anticoagulants (DOACs). METHODS From January 1, 2016 to December 31, 2019, all patients on DOACs evaluated for an MTBI in five Italian Emergency Departments were enrolled. A training set to develop the nomogram and a test set for validation were identified. The predictive ability of the nomogram was assessed using AUROC, calibration plot, and decision curve analysis. RESULTS Of the 1425 patients in DOACs in the study cohort, 934 (65.5%) were included in the training set and 491 (34.5%) in the test set. Overall, the rate of post-traumatic ICH was 6.9% (7.0% training and 6.9% test set). In a multivariate analysis, major trauma dynamic (OR: 2.73, p = 0.016), post-traumatic loss of consciousness (OR: 3.78, p = 0.001), post-traumatic amnesia (OR: 4.15, p < 0.001), GCS < 15 (OR: 3.00, p < 0.001), visible trauma above the clavicles (OR: 3. 44, p < 0.001), a post-traumatic headache (OR: 2.71, p = 0.032), a previous history of neurosurgery (OR: 7.40, p < 0.001), and post-traumatic vomiting (OR: 3.94, p = 0.008) were independent risk factors for ICH. The nomogram demonstrated a good ability to predict the risk of ICH (AUROC: 0.803; CI95% 0.721-0.884), and its clinical application showed a net clinical benefit always superior to performing CT on all patients. CONCLUSION The Hemorrhage Estimate Risk in Oral anticoagulation for Mild head trauma (HERO-M) nomogram was able to predict post-traumatic ICH and can be easily applied in the Emergency Department (ED).
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Affiliation(s)
- Naria Park
- Emergency Medicine Department, Pisa University Hospital, Pisa, Italy
| | - Greta Barbieri
- Emergency Medicine Department, Pisa University Hospital, Pisa, Italy.
- Department of Surgical, Medical, Molecular and Critical Area Pathology, University of Pisa, Via Savi, Pisa, 10 - 56126, Italy.
| | | | | | - Arian Zaboli
- Emergency Department, Hospital of Merano, Merano, Italy
| | - Sara Giampaoli
- Emergency Medicine Department, Pisa University Hospital, Pisa, Italy
| | - Antonio Bonora
- Emergency Department, University of Verona, Verona, Italy
| | - Giorgio Ricci
- Emergency Department, University of Verona, Verona, Italy
| | - Massimo Santini
- Emergency Medicine Department, Pisa University Hospital, Pisa, Italy
| | - Lorenzo Ghiadoni
- Emergency Medicine Department, Pisa University Hospital, Pisa, Italy
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
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Levy AM, Saling MM, Anderson JFI. Frequency and extent of cognitive complaint following adult civilian mild traumatic brain injury: a systematic review and meta-analysis. BRAIN IMPAIR 2023; 24:309-332. [PMID: 38167200 DOI: 10.1017/brimp.2022.19] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
OBJECTIVE Cognitive symptoms are associated with return to work, healthcare use and quality of life after mild traumatic brain injury (mTBI). Additionally, while overall 'post-concussion' symptoms are often present at similar levels in mTBI and control groups, cognitive complaints may be specifically elevated in mTBI. A systematic review and meta-analysis was conducted to investigate the frequency and extent of cognitive complaints following adult civilian mTBI, and compare it to the frequency and extent of complaints in control populations (PROSPERO: CRD42020151284). METHOD This review included studies published up to March 2022. Thirteen studies were included in the systematic review, and six were included in the meta-analysis. Data extraction and quality assessment were conducted by two independent reviewers. RESULTS Cognitive complaints are common after mTBI, although reported rates differed greatly across studies. Results suggested that mTBI groups report cognitive complaints to a significantly greater extent than control groups (Hedges' g = 0.85, 95% CI 0.31-1.40, p = .0102). Heterogeneity between studies was high (τ2 = 0.20, 95% CI 0.04-1.58; I2 = 75.0%, 95% CI 43.4%-89.0%). Between-group differences in symptom reporting were most often found when healthy rather than injured controls were employed. CONCLUSIONS Cognitive complaints are consistently reported after mTBI, and are present at greater levels in mTBI patients than in controls. Despite the importance of these complaints, including in regards to return to work, healthcare use and quality of life, there has been limited research in this area, and heterogeneity in research methodology is common.
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Affiliation(s)
- Arielle M Levy
- Melbourne School of Psychological Sciences, The University of Melbourne, Parkville, VIC3010, Australia
| | - Michael M Saling
- Melbourne School of Psychological Sciences, The University of Melbourne, Parkville, VIC3010, Australia
| | - Jacqueline F I Anderson
- Melbourne School of Psychological Sciences, The University of Melbourne, Parkville, VIC3010, Australia
- Psychology Department, The Alfred Hospital, Melbourne, VIC3004, Australia
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10
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Chan V, Estrella MJ, Hanafy S, Colclough Z, Joyce JM, Babineau J, Colantonio A. Equity considerations in clinical practice guidelines for traumatic brain injury and homelessness: a systematic review. EClinicalMedicine 2023; 63:102152. [PMID: 37662521 PMCID: PMC10474365 DOI: 10.1016/j.eclinm.2023.102152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 07/24/2023] [Accepted: 07/26/2023] [Indexed: 09/05/2023] Open
Abstract
Background Clinical practice guidelines (CPGs) predominantly prioritise treatment and cost-effectiveness, which encourages a universal approach that may not address the circumstances of disadvantaged groups. We aimed to advance equity and quality of care for individuals experiencing homelessness and traumatic brain injury (TBI) by assessing the extent to which homelessness and TBI are integrated in CPGs for TBI and CPGs for homelessness, respectively, and the extent to which equity, including consideration of disadvantaged populations and the PROGRESS-Plus framework, is considered in these CPGs. Methods For this systematic review, CPGs for TBI or homelessness were identified from electronic databases (MEDLINE, Embase, CINAHL, PsycINFO), targeted websites, Google Search, and reference lists of eligible CPGs on November 16, 2021 and March 16, 2023. The proportion of CPGs that integrated evidence regarding TBI and homelessness was identified and qualitative content analysis was conducted to understand how homelessness is integrated in CPGs for TBI and vice versa. Equity assessment tools were utilised to understand the extent to which equity was considered in these CPGs. This review is registered with PROSPERO (CRD42021287696). Findings Fifty-eight CPGs for TBI and two CPGs for homelessness met inclusion criteria. Only three CPGs for TBI integrated evidence regarding homelessness by recognizing the prevalence of TBI in individuals experiencing homelessness and identifying housing as a consideration in the assessment and management of TBI. The two CPGs for homelessness acknowledged TBI as prevalent and recognised individuals experiencing TBI and homelessness as a disadvantaged population that should be prioritised in guideline development. Equity was rarely considered in the content and development of CPGs for TBI. Interpretation Considerations for equity in CPGs for homelessness and TBI are lacking. To ensure that CPGs reflect and address the needs of individuals experiencing homelessness and TBI, we have identified several guideline development priorities. Namely, there is a need to integrate evidence regarding homelessness and TBI in CPGs for TBI and CPGs for homelessness, respectively and engage disadvantaged populations in all stages of guideline development. Further, this review highlights an urgent need to conduct research focused on and with disadvantaged populations. Funding Canada Research Chairs Program (2019-00019) and the Ontario Ministry of Health and Long-Term Care (Grant #725A).
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Affiliation(s)
- Vincy Chan
- KITE Research Institute-Toronto Rehabilitation Institute, University Health Network, Toronto, ON, Canada
- Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, ON, Canada
- Rehabilitation Sciences Institute, University of Toronto, Toronto, ON, Canada
| | - Maria Jennifer Estrella
- Department of Occupational Science and Occupational Therapy, University of Toronto, Toronto, ON, Canada
| | - Sara Hanafy
- KITE Research Institute-Toronto Rehabilitation Institute, University Health Network, Toronto, ON, Canada
- Rehabilitation Sciences Institute, University of Toronto, Toronto, ON, Canada
| | - Zoe Colclough
- Department of Occupational Science and Occupational Therapy, University of Toronto, Toronto, ON, Canada
| | - Julie Michele Joyce
- Department of Occupational Science and Occupational Therapy, University of Toronto, Toronto, ON, Canada
| | - Jessica Babineau
- Library and Information Services, University Health Network, Toronto, ON, Canada
- The Institute for Education Research, University Health Network, Toronto, ON, Canada
| | - Angela Colantonio
- KITE Research Institute-Toronto Rehabilitation Institute, University Health Network, Toronto, ON, Canada
- Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, ON, Canada
- Rehabilitation Sciences Institute, University of Toronto, Toronto, ON, Canada
- Department of Occupational Science and Occupational Therapy, University of Toronto, Toronto, ON, Canada
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11
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Cipriano A, Turcato G, Park N, Zaboli A, Barbieri G, Riccardi A, Santini M, Lerza R, Bonora A, Ghiadoni L. Minimal is not minor also in patients with mild traumatic brain injury on oral direct anticoagulant therapy. Intern Emerg Med 2023; 18:1533-1541. [PMID: 36869261 DOI: 10.1007/s11739-023-03244-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 02/21/2023] [Indexed: 03/05/2023]
Abstract
Currently, all patients, regardless of the type of head injury, should undergo a head computerized tomography (CT) if on oral anticoagulant therapy. The aim of the study was to assess the different incidences of intracranial hemorrhage (ICH) between patients with minor head injury (mHI) and patients with mild traumatic brain injury (MTBI) and whether there were differences in the risk of death at 30 days as a result of trauma or neurosurgery. A retrospective multicenter observational study was conducted from January 1, 2016, to February 1, 2020. All patients on DOACs therapy who suffered head trauma and underwent a head CT were extracted from the computerized databases. Patients were divided into two groups MTBI vs mHI all in DOACs treatment. Whether a difference in the incidence of post-traumatic ICH was present was investigated, and pre- and post-traumatic risk factors were compared between the two groups to assess the possible association with ICH risk by propensity score matching. 1425 with an MTBI in DOACs were enrolled. Of these, 80.1% (1141/1425) had an mHI and 19.9% (284/1425) had an MTBI. Of these, 16.5% (47/284) patients with MTBI and 3.3% (38/1141) with mHI reported post-traumatic ICH. After propensity score matching, ICH was consistently found to be more associated with patients with MTBI than with mHI (12.5% vs 5.4%, p = 0.027). Risk factors associated with immediate ICH in mHI patients were high energy impact, previous neurosurgery, trauma above the clavicles, post-traumatic vomiting and headache. Patients on MTBI (5.4%) were found to be more associated with ICH than those with mHI (0.0%, p = 0.002). also when the need for neurosurgery or death within 30 days were considered. Patients on DOACs with mHI have a lower risk of presenting with post-traumatic ICH than patients with MTBI. Furthermore, patients with mHI have a lower risk of death or neurosurgery than patients with MTBI, despite the presence of ICH.
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Affiliation(s)
- Alessandro Cipriano
- Emergency Department, Nuovo Santa Chiara Hospital, Azienda Ospedaliero-Universitaria Pisana, Pisa, Italy
| | - Gianni Turcato
- Intermediate Care Unit, Department of Internal Medicine, Hospital Alto Vicentino, Santorso, Italy
| | - Naria Park
- Emergency Department, Nuovo Santa Chiara Hospital, Azienda Ospedaliero-Universitaria Pisana, Pisa, Italy
| | - Arian Zaboli
- Emergency Department, Hospital of Merano (SABES-ASDAA), Via Rossini 5, 39012, Merano, Italy.
| | - Greta Barbieri
- Emergency Department, Nuovo Santa Chiara Hospital, Azienda Ospedaliero-Universitaria Pisana, Pisa, Italy
- Emergency Medicine Department, University of Pisa, Pisa, Italy
| | - Alessandro Riccardi
- Emergency Department, Hospital of San Paolo (ASL N°2 Savonese), Savona, Italy
| | - Massimo Santini
- Emergency Department, Nuovo Santa Chiara Hospital, Azienda Ospedaliero-Universitaria Pisana, Pisa, Italy
| | - Roberto Lerza
- Emergency Department, Hospital of San Paolo (ASL N°2 Savonese), Savona, Italy
| | - Antonio Bonora
- Emergency Department, University of Verona, Verona, Italy
| | - Lorenzo Ghiadoni
- Emergency Department, Nuovo Santa Chiara Hospital, Azienda Ospedaliero-Universitaria Pisana, Pisa, Italy
- Emergency Medicine Department, University of Pisa, Pisa, Italy
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
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12
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Kolasa K, Kozinski G, Wisniewska M, Pohadajlo A, Nosowicz A, Kulas P. Do We Need Another CT Scanner?—The Pilot Study of the Adoption of an Evolutionary Algorithm to Investment Decision Making in Healthcare. Tomography 2023; 9:776-789. [PMID: 37104134 PMCID: PMC10141352 DOI: 10.3390/tomography9020063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 03/29/2023] [Accepted: 03/30/2023] [Indexed: 04/09/2023] Open
Abstract
Objectives: The purpose of this study was to assess the feasibility of the adoption of a machine learning (ML) algorithm in support of the investment decisions regarding high cost medical devices based on available clinical and epidemiological evidence. Methods: Following a literature search, the set of epidemiological and clinical need predictors was established. Both the data from The Central Statistical Office and The National Health Fund were used. An evolutionary algorithm (EA) model was developed to obtain the prediction of the need for CT scanners across local counties in Poland (hypothetical scenario). The comparison between the historical allocation and the scenario developed by the EA model based on epidemiological and clinical need predictors was established. Only counties with available CT scanners were included in the study. Results: In total, over 4 million CT scan procedures performed across 130 counties in Poland between 2015 and 2019 were used to develop the EA model. There were 39 cases of agreement between historical data and hypothetical scenarios. In 58 cases, the EA model indicated the need for a lower number of CT scanners than the historical data. A greater number of CT procedures required compared with historical use was predicted for 22 counties. The remaining 11 cases were inconclusive. Conclusions: Machine learning techniques might be successfully applied to support the optimal allocation of limited healthcare resources. Firstly, they enable automatization of health policy making utilising historical, epidemiological, and clinical data. Secondly, they introduce flexibility and transparency thanks to the adoption of ML to investment decisions in the healthcare sector as well.
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Affiliation(s)
- Katarzyna Kolasa
- Division of Health Economics and Healthcare Management, Kozminski University, 03-301 Warsaw, Poland
| | - Grzegorz Kozinski
- Division of Health Economics and Healthcare Management, Kozminski University, 03-301 Warsaw, Poland
| | | | - Aleksandra Pohadajlo
- Division of Health Economics and Healthcare Management, Kozminski University, 03-301 Warsaw, Poland
| | - Agata Nosowicz
- Division of Health Economics and Healthcare Management, Kozminski University, 03-301 Warsaw, Poland
| | - Piotr Kulas
- Division of Health Economics and Healthcare Management, Kozminski University, 03-301 Warsaw, Poland
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13
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Karibe H, Narisawa A, Nagai A, Yamanouchi S, Kameyama M, Nakagawa A, Tominaga T. Incidence of Chronic Subdural Hematoma after Mild Head Trauma in Elderly Patients with or without Pre-traumatic Conditioning of Anti-thrombotic Drugs. Neurol Med Chir (Tokyo) 2023; 63:91-96. [PMID: 36682795 PMCID: PMC10072887 DOI: 10.2176/jns-nmc.2022-0327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
Anti-thrombotic drugs may increase the risk for chronic subdural hematoma (CSDH). However, whether to continue or discontinue/counteract these drugs has not been investigated in patients with mild head trauma. CSDH incidence after mild head trauma, as well as the risk for CSDH in patients with anti-thrombotic drugs, were investigated in this study. The study included 765 consecutive elderly (>65 y.o.) patients with mild head trauma and an initial Glasgow Coma Scale (GCS) score of 14 or 15. All patients received initial CT within 24 hours after trauma and were re-examined 30 days after trauma to detect CSDH formation, repeating for every 30 days to examine symptomatic CSDH progression. Patients were divided into two groups, with anti-thrombotic drugs (n = 195) or without them (n = 263), to investigate the influence of pre-traumatic conditioning with anti-thrombotic drugs on CSDH. The whole sample was 458 out of 765 cases. The incidence of CSDH formation was 91 out of 458 cases (19.9%) after mild head trauma, with no significant difference between with and without anti-thrombotic drugs. CSDH progressed as symptomatic in 21 out of 458 cases (4.6%), with no significant difference between with and without anti-thrombotic drugs. Pre-traumatic conditioning with anti-thrombotic drugs and its continuation after trauma did not affect the incidence of formation or symptomatic progression of CSDH. This finding suggests that discontinuing and/or counteracting anti-thrombotic drugs may be unnecessary in patients with mild head trauma.
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Affiliation(s)
| | | | - Arata Nagai
- Department of Neurosurgery, Sendai City Hospital
- Department of Neurosurgery, Tohoku University Graduate School of Medicine
| | | | | | - Atsuhiro Nakagawa
- Department of Neurosurgery, Tohoku University Graduate School of Medicine
| | - Teiji Tominaga
- Department of Neurosurgery, Tohoku University Graduate School of Medicine
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14
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Hanaki N, Miyata J, Yamada Y, Shiga T. Choosing Wisely® in Japanese Emergency Medicine: Nine Recommendations to Improve The Value of Health Care. J Emerg Med 2023; 64:371-379. [PMID: 37019499 DOI: 10.1016/j.jemermed.2023.01.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 12/09/2022] [Accepted: 01/06/2023] [Indexed: 04/05/2023]
Abstract
BACKGROUND The overuse of diagnostic and therapeutic modalities has become an issue in the field of emergency medicine. The health care system of Japan aims to provide the most appropriate quality and quantity of care at the right price, while focusing on patient value. The Choosing Wisely® campaign was launched in Japan and other countries. OBJECTIVE In this article, recommendations were discussed to improve the field of emergency medicine based on the state of the Japanese health care system. METHODS The modified Delphi method, a consensus-building method, was used in this study. The final recommendations were developed by a working group of 20 medical professionals, students, and patients, consisting of members of the emergency physician electronic mailing list. RESULTS From the 80 candidates recommended and excessive actions gathered, nine recommendations were formulated after two Delphi rounds. The recommendations included the suppression of excessive behavior and the implementation of appropriate medical treatment, like rapid pain relief and the application of ultrasonography during central venous catheter placement. CONCLUSIONS This study formulated recommendations to improve the field of Japanese emergency medicine, based on the feedback of patients and health care professionals. The nine recommendations will be helpful for all people involved in emergency care in Japan because they have the potential to prevent the overuse of diagnostic and therapeutic modalities, while maintaining the appropriate quality of patient care.
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Affiliation(s)
- Nao Hanaki
- Department of Social Medicine, Osaka University Graduate School of Medicine, Osaka, Japan
| | - Jun Miyata
- Department of Island and Community Medicine, Nagasaki University Graduate School of Biomedical Sciences, Goto-shi, Nagasaki, Japan
| | - Yoshie Yamada
- Department of Healthcare Epidemiology, School of Public Health, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Takashi Shiga
- Department of Emergency Medicine, International University of Health and Welfare, Tokyo, Otawara, Japan
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15
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Aychman MM, Goldman DL, Kaplan JS. Cannabidiol's neuroprotective properties and potential treatment of traumatic brain injuries. Front Neurol 2023; 14:1087011. [PMID: 36816569 PMCID: PMC9932048 DOI: 10.3389/fneur.2023.1087011] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 01/17/2023] [Indexed: 02/05/2023] Open
Abstract
Cannabidiol (CBD) has numerous pharmacological targets that initiate anti-inflammatory, antioxidative, and antiepileptic properties. These neuroprotective benefits have generated interest in CBD's therapeutic potential against the secondary injury cascade from traumatic brain injury (TBI). There are currently no effective broad treatment strategies for combating the damaging mechanisms that follow the primary injury and lead to lasting neurological consequences or death. However, CBD's effects on different neurotransmitter systems, the blood brain barrier, oxidative stress mechanisms, and the inflammatory response provides mechanistic support for CBD's clinical utility in TBI. This review describes the cascades of damage caused by TBI and CBD's neuroprotective mechanisms to counter them. We also present challenges in the clinical treatment of TBI and discuss important future clinical research directions for integrating CBD in treatment protocols. The mechanistic evidence provided by pre-clinical research shows great potential for CBD as a much-needed improvement in the clinical treatment of TBI. Upcoming clinical trials sponsored by major professional sport leagues are the first attempts to test the efficacy of CBD in head injury treatment protocols and highlight the need for further clinical research.
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16
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Kelmendi FM, Morina AA, Mekaj AY, Dragusha S, Ahmeti F, Alimehmeti R, Morina Q, Berisha M, Krasniqi B, Kerolli B. Ability of S100B to predict post-concussion syndrome in paediatric patients who present to the emergency department with mild traumatic brain injury. Br J Neurosurg 2023; 37:53-58. [PMID: 33565911 DOI: 10.1080/02688697.2021.1878487] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
INTRODUCTION Among children who sustain mild traumatic brain injury (mTBI), 10-30% develop a cluster of cognitive, physical, and emotional symptoms commonly referred to as post-concussion syndrome (PCS). Symptoms typically resolve within 7-10 days, but a minority of patients report symptoms that persist for months or even years. The aim of our study was to identify a neurobiochemical marker after mTBI that can predict the presence of post-concussion syndrome three months after head injury in paediatric patients. MATERIALS AND METHODS Children between 7 and 16 years of age who had head trauma and no other complaints were included. Three months after the initial visit, participants or parents/guardians were interviewed in person about the children's PCS symptoms using the Rivermead Post-Concussion Symptoms Questionnaire (RPQ). RESULTS The mean value of S100B protein in serum in 38 patients without signs of PCS was 0.266 μg L-1, with a 95% confidence interval (CI) of 0.221 - 0.310 μg L-1. Among the 22 patients with signs of PCS, the mean value of S100B protein in serum was 0.845 μg L-1, with a 95% CI of 0.745-0.945 μg L-1. Patients with signs of PCS had higher S100B protein levels than those without signs of PCS (p < 0.0001). CONCLUSIONS Our prospective study showed that S100B protein is a useful neurobiomarker for detecting paediatric patients at risk for post-concussion syndrome. We found that the biomarker S100B correlated with the severity of traumatic brain injury (number of lesions on CT) and the presence of post-concussion syndrome.
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Affiliation(s)
- Fatos M Kelmendi
- Clinic of Neurosurgery, University Clinical Center of Kosovo, Prishtina, Kosovo
| | - Arsim A Morina
- Clinic of Neurosurgery, University Clinical Center of Kosovo, Prishtina, Kosovo
| | - Agon Y Mekaj
- Clinic of Neurosurgery, Faculty of Medicine, University of Prishtina, Prishtina, Kosovo
| | - Shefki Dragusha
- Clinic of Neurosurgery, University Clinical Center of Kosovo, Prishtina, Kosovo
| | - Feti Ahmeti
- Clinic of Neurosurgery, University Clinical Center of Kosovo, Prishtina, Kosovo
| | - Ridvan Alimehmeti
- Service of Neurosurgery, University Hospital Center"Mother Teresa", Tirana, Albania
| | - Qamile Morina
- Clinic of Anaesthesiology, University Clinical Center of Kosovo, Prishtina, Kosovo
| | - Murat Berisha
- Clinic of Paediatric Surgery, University Clinical Center of Kosovo, Prishtina, Kosovo
| | - Blerim Krasniqi
- College of Medical Science ''REZONANCA'' Gllokute Shelgjet" Veternik", Prishtina, Kosovo
| | - Berat Kerolli
- Clinic of Neurosurgery, University Clinical Center of Kosovo, Prishtina, Kosovo
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17
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Orlando A, Coresh J, Carrick MM, Quan G, Berg GM, Dhakal L, Hamilton D, Madayag R, Lascano CHP, Bar-Or D. Characterizing Interhospital Variability in Neurosurgical Interventions for Patients with Mild Traumatic Brain Injury and Intracranial Hemorrhage. Neurotrauma Rep 2023; 4:149-158. [PMID: 36941879 PMCID: PMC10024575 DOI: 10.1089/neur.2022.0078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2023] Open
Abstract
The objective of this study was to quantify nation-wide interhospital variation in neurosurgical intervention risk by intracranial hemorrhage (ICH) type in the setting of mild traumatic brain injury (mTBI). This was a retrospective cohort study of adult (≥18 years) trauma patients included in the National Trauma Data Bank from 2007 to 2019 with an emergency department Glasgow Coma Scale score 13-15, diagnosed ICH, no skull fracture. The primary outcome was neurosurgical intervention. Interhospital variation was assessed by examining the best linear unbiased predictors (BLUPs) obtained from mixed-effects logistic regression with random slopes and intercepts for hospitals and covariates for time and 14 demographic, injury, and hospital characteristics; one model per ICH type. Intercept BLUPs are estimates of how different each hospital is from the average hospital (after covariate adjustment). The study population included 49,220 (7%) neurosurgical interventions among 666,842 patients in 1060 hospitals. In 2019, after adjusting for patient case-mix and hospital characteristics, the percentage of hospitals with hemorrhage-specific neurosurgical intervention risk significantly different from the average hospital was as follows: isolated unspecified hemorrhage (0% of 995 hospitals); isolated contusion/laceration (0.54% of 929); isolated epidural hemorrhage (0.39% of 778); isolated subarachnoid hemorrhage (0.10% of 1002); multiple hemorrhages (2.49% of 963); and isolated subdural hemorrhage (16.25% of 1028). In the setting of mTBI, isolated subdural hemorrhages were the only ICH type to have considerable interhospital variability. Causes for this significant variation should be elucidated and might include changing hemorrhage characteristics and practice patterns over time.
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Affiliation(s)
- Alessandro Orlando
- Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USA
- Address correspondence to: Alessandro Orlando, PhD, MPH, Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, 501 E. Hampden Avenue, Englewood, CO 80113, USA
| | - Josef Coresh
- Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USA
| | | | - Glenda Quan
- Department of Trauma Services, Swedish Medical Center, Englewood, Colorado, USA
| | - Gina M. Berg
- Department of Trauma Services, Wesley Medical Center, Wichita, Kansas, USA
| | - Laxmi Dhakal
- Department of Trauma Services, Wesley Medical Center, Wichita, Kansas, USA
| | - David Hamilton
- Department of Trauma Services, Penrose Hospital, Colorado Springs, Colorado, USA
| | - Robert Madayag
- Department of Trauma Services, St. Anthony Hospital, Lakewood, Colorado, USA
| | | | - David Bar-Or
- Injury Outcomes Network, Englewood, Colorado, USA
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18
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Rabaza C, Piggott C, Lyon C. Put down the electronics after a concussion? THE JOURNAL OF FAMILY PRACTICE 2023; 72:E10-E12. [PMID: 36749976 PMCID: PMC9909739 DOI: 10.12788/jfp.0534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Yes, patients should do just that. In a randomized clinical trial, symptom duration was reduced when teens and young adults observed a certain screen-time hiatus.
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Affiliation(s)
| | | | - Corey Lyon
- University of Colorado Family Medicine Residency, Denver
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19
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Delayed intracranial hemorrhage after head injury among elderly patients on anticoagulation seen in the emergency department. CAN J EMERG MED 2022; 24:853-861. [PMID: 36242733 DOI: 10.1007/s43678-022-00392-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 09/28/2022] [Indexed: 02/08/2023]
Abstract
INTRODUCTION Elderly patients on oral anticoagulation are commonly seen in emergency departments (EDs). Oral anticoagulation, particularly warfarin, is associated with an increased risk of intracranial hemorrhage after head trauma. Data on delayed bleeds in anticoagulated patients are limited. The objective of this study was to examine risk of delayed intracranial hemorrhage in patients presenting to the ED with a head injury anticoagulated with warfarin or a direct oral anticoagulant, compared to patients not anticoagulated. METHODS Cohort study using administrative data from Ontario of patients ≥ 65 years presenting to the ED with a complaint of head injury between 2016 and 2018. The primary outcome was delayed intracranial hemorrhage, defined as a new ICD-10 code for intracranial hemorrhage within 90 days of the initial ED visit for a head injury where no intracranial hemorrhage was diagnosed. The main exposure variable was oral anticoagulation use, which was a three-level variable (warfarin, direct oral anticoagulants, or no oral anticoagulation). We used multivariable logistic regression to determine the odds of delayed intracranial hemorrhage based on anticoagulation status. RESULTS 69,321 patients were included: 58,233 (84.0%) had not been prescribed oral anticoagulation, 3081 (4.4%) had a warfarin prescription, and 8007 (11.6%) had a direct oral anticoagulant prescription. Overall, 718 (1.0%) patients had a delayed intracranial hemorrhage within 90 days of ED visit for head injury. Among patients not anticoagulated, 586 (1.0%) had a delayed intracranial hemorrhage, 54 (1.8%) patients on warfarin, and 78 (1.0%) patients on a direct oral anticoagulant had a delayed intracranial hemorrhage. There was an increased odds of delayed intracranial hemorrhage with warfarin use compared with no anticoagulation (OR 1.5, 95% CI 1.1-2.1). There was no association between delayed intracranial hemorrhage and direct oral anticoagulant use compared to no anticoagulation (OR 0.9, 95% CI 0.6-1.1). CONCLUSIONS There was an increased odds of delayed intracranial hemorrhage within 90 days in older ED head injured patients prescribed warfarin compared to patients not on anticoagulation. direct oral anticoagulant use was not associated with increased risk of delayed intracranial hemorrhage.
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20
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Bruhns RP, Sulaiman MI, Gaub M, Bae EH, Davidson Knapp RB, Larson AR, Smith A, Coleman DL, Staatz WD, Sandweiss AJ, Joseph B, Hay M, Largent-Milnes TM, Vanderah TW. Angiotensin-(1-7) improves cognitive function and reduces inflammation in mice following mild traumatic brain injury. Front Behav Neurosci 2022; 16:903980. [PMID: 35990729 PMCID: PMC9386567 DOI: 10.3389/fnbeh.2022.903980] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Accepted: 07/11/2022] [Indexed: 11/17/2022] Open
Abstract
Introduction Traumatic brain injury (TBI) is a leading cause of disability in the US. Angiotensin 1-7 (Ang-1-7), an endogenous peptide, acts at the G protein coupled MAS1 receptors (MASR) to inhibit inflammatory mediators and decrease reactive oxygen species within the CNS. Few studies have identified whether Ang-(1-7) decreases cognitive impairment following closed TBI. This study examined the therapeutic effect of Ang-(1-7) on secondary injury observed in a murine model of mild TBI (mTBI) in a closed skull, single injury model. Materials and methods Male mice (n = 108) underwent a closed skull, controlled cortical impact injury. Two hours after injury, mice were administered either Ang-(1-7) (n = 12) or vehicle (n = 12), continuing through day 5 post-TBI, and tested for cognitive impairment on days 1-5 and 18. pTau, Tau, GFAP, and serum cytokines were measured at multiple time points. Animals were observed daily for cognition and motor coordination via novel object recognition. Brain sections were stained and evaluated for neuronal injury. Results Administration of Ang-(1-7) daily for 5 days post-mTBI significantly increased cognitive function as compared to saline control-treated animals. Cortical and hippocampal structures showed less damage in the presence of Ang-(1-7), while Ang-(1-7) administration significantly changed the expression of pTau and GFAP in cortical and hippocampal regions as compared to control. Discussion These are among the first studies to demonstrate that sustained administration of Ang-(1-7) following a closed-skull, single impact mTBI significantly improves neurologic outcomes, potentially offering a novel therapeutic modality for the prevention of long-term CNS impairment following such injuries.
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Affiliation(s)
- Ryan P. Bruhns
- Department of Pharmacology, College of Medicine and Health Sciences, University of Arizona, Tucson, AZ, United States
| | - Maha Ibrahim Sulaiman
- Department of Pharmacology, College of Medicine and Health Sciences, University of Arizona, Tucson, AZ, United States
| | - Michael Gaub
- Department of Pharmacology, College of Medicine and Health Sciences, University of Arizona, Tucson, AZ, United States
| | - Esther H. Bae
- Department of Pharmacology, College of Medicine and Health Sciences, University of Arizona, Tucson, AZ, United States
| | - Rachel B. Davidson Knapp
- Department of Pharmacology, College of Medicine and Health Sciences, University of Arizona, Tucson, AZ, United States
| | - Anna R. Larson
- Department of Pharmacology, College of Medicine and Health Sciences, University of Arizona, Tucson, AZ, United States
| | - Angela Smith
- Department of Pharmacology, College of Medicine and Health Sciences, University of Arizona, Tucson, AZ, United States
| | - Deziree L. Coleman
- Department of Pharmacology, College of Medicine and Health Sciences, University of Arizona, Tucson, AZ, United States
| | - William D. Staatz
- Department of Pharmacology, College of Medicine and Health Sciences, University of Arizona, Tucson, AZ, United States
| | - Alexander J. Sandweiss
- Department of Pharmacology, College of Medicine and Health Sciences, University of Arizona, Tucson, AZ, United States
| | - Bellal Joseph
- Department of Surgery, College of Medicine and Health Sciences, University of Arizona, Tucson, AZ, United States
| | - Meredith Hay
- Department of Physiology, College of Medicine and Health Sciences, University of Arizona, Tucson, AZ, United States
| | - Tally M. Largent-Milnes
- Department of Pharmacology, College of Medicine and Health Sciences, University of Arizona, Tucson, AZ, United States
| | - Todd W. Vanderah
- Department of Pharmacology, College of Medicine and Health Sciences, University of Arizona, Tucson, AZ, United States
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21
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Park N, Turcato G, Zaboli A, Santini M, Cipriano A. The state of the art of the management of anticoagulated patients with mild traumatic brain injury in the Emergency Department. EMERGENCY CARE JOURNAL 2022. [DOI: 10.4081/ecj.2022.10640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The effects of Oral Anticoagulation Therapy (OAT) in older patients who suffered a mild Traumatic Brain Injury (mTBI) are widely debated but still strong guidelines are lacking and clinical approaches and management are sometimes heterogeneous. Different predictors of adverse outcomes were identified in the literature but their use in the decision-making process is unclear. Moreover, there is no consensus on the appropriate length of stay in the Observation Unit nor on the continuation of OAT, even if the diagnosis of life-threatening delayed post-traumatic Intracranial Hemorrhage is rare. The recurrence of a control CT scan is often needless. This review aims to summarize recent scientific literature focusing on patients with mTBI taking OAT and to identify crucial questions on the topic to suggest a best clinical practice.
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22
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Botchway E, Kooper CC, Pouwels PJW, Bruining H, Engelen M, Oosterlaan J, Königs M. Resting-state network organisation in children with traumatic brain injury. Cortex 2022; 154:89-104. [PMID: 35763900 DOI: 10.1016/j.cortex.2022.05.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 04/15/2022] [Accepted: 05/23/2022] [Indexed: 11/03/2022]
Abstract
Children with traumatic brain injury are at risk of neurocognitive and behavioural impairment. Although there is evidence for abnormal brain activity in resting-state networks after TBI, the role of resting-state network organisation in paediatric TBI outcome remains poorly understood. This study is the first to investigate the impact of paediatric TBI on resting-state network organisation using graph theory, and its relevance for functional outcome. Participants were 8-14 years and included children with (i) mild TBI and risk factors for complicated TBI (mildRF+, n = 20), (ii) moderate/severe TBI (n = 15), and (iii) trauma control injuries (n = 27). Children underwent resting-state functional magnetic resonance imaging (fMRI), neurocognitive testing, and behavioural assessment at 2.8 years post-injury. Graph theory was applied to fMRI timeseries to evaluate the impact of TBI on global and local organisation of the resting-state network, and relevance for neurocognitive and behavioural functioning. Children with TBI showed atypical global network organisation as compared to the trauma control group, reflected by lower modularity (mildRF + TBI and moderate/severe TBI), higher smallworldness (mildRF + TBI) and lower assortativity (moderate/severe TBI ps < .04, Cohen's ds: > .6). Regarding local network organisation, the relative importance of hub regions in the network did not differ between groups. Regression analyses showed relationships between global as well as local network parameters with neurocognitive functioning (i.e., working memory, memory encoding; R2 = 23.3 - 38.5%) and behavioural functioning (i.e., externalising problems, R2 = 36.1%). Findings indicate the impact of TBI on global functional network organisation, and the relevance of both global and local network organisation for long-term neurocognitive and behavioural outcome after paediatric TBI. The results suggest potential prognostic value of resting-state network organisation for outcome after paediatric TBI.
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Affiliation(s)
- Edith Botchway
- School of Psychology, Faculty of Health at the Deakin University, Burwood, Australia
| | - Cece C Kooper
- Emma Children's Hospital, Amsterdam UMC location University of Amsterdam, Department of Pediatrics, Emma Neuroscience Group, Meibergdreef 9, Amsterdam, the Netherlands; Amsterdam Reproduction and Development Research Institute, Amsterdam, the Netherlands; Amsterdam Neuroscience Research Institute, Amsterdam, the Netherlands.
| | - Petra J W Pouwels
- Amsterdam Neuroscience Research Institute, Amsterdam, the Netherlands; Amsterdam UMC location Vrije Universiteit Amsterdam, Department of Radiology and Nuclear Medicine, Boelelaan 1117, Amsterdam, the Netherlands
| | - Hilgo Bruining
- Amsterdam Reproduction and Development Research Institute, Amsterdam, the Netherlands; Amsterdam Neuroscience Research Institute, Amsterdam, the Netherlands; Emma Children's Hospital, Amsterdam UMC location Vrije Universiteit Amsterdam, N=You Centre, Amsterdam, the Netherlands
| | - Marc Engelen
- Emma Children's Hospital, Amsterdam UMC location University of Amsterdam, Department of Pediatric Neurology, Meibergdreef 9, Amsterdam, the Netherlands; Amsterdam Leukodystrophy Center, Amsterdam, the Netherlands
| | - Jaap Oosterlaan
- Amsterdam Reproduction and Development Research Institute, Amsterdam, the Netherlands; Emma Children's Hospital, Amsterdam UMC location University of Amsterdam, Department of Pediatrics, Emma Children's Hospital Amsterdam UMC Follow-Me program & Emma Neuroscience Group, Meibergdreef 9, Amsterdam, the Netherlands
| | - Marsh Königs
- Amsterdam Reproduction and Development Research Institute, Amsterdam, the Netherlands; Emma Children's Hospital, Amsterdam UMC location University of Amsterdam, Department of Pediatrics, Emma Children's Hospital Amsterdam UMC Follow-Me program & Emma Neuroscience Group, Meibergdreef 9, Amsterdam, the Netherlands
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23
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Are oral anticoagulants a risk factor for mild traumatic brain injury progression? A single-center experience focused on of direct oral anticoagulants and vitamin K antagonists. Acta Neurochir (Wien) 2022; 164:97-105. [PMID: 34850288 DOI: 10.1007/s00701-021-05066-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 11/08/2021] [Indexed: 10/19/2022]
Abstract
BACKGROUND Mild traumatic brain injury (TBI) in anticoagulated patients is a common challenge for emergency departments because of lack of appropriate epidemiological data and huge management variability for those under oral anticoagulation therapy. Given the discrepancies between guidelines, the aim of the present study was to quantify the association between oral anticoagulant therapy (either vitamin K antagonist (VKA) or direct oral anticoagulant (DOAC)) and the post-traumatic intracranial hemorrhage worsening compared to admission CT scan. METHODS We included all consecutive records of patients admitted to our emergency department for mild TBI as chief complaint and with a positive admission CT scan. After statistical univariate comparison, cause-specific hazard ratio (HR) and 95% confidence interval (CI) were determined with the use of Cox proportional hazard model. RESULTS In the study period, 4667 patients had a CT scan for mild TBI; 439 (9.4%) were found to have intracranial hemorrhage. Among these patients, 299 (68.1%) were prescribed observation and control CT: 46 (15.38%) were on anticoagulant therapy, 23 (50%) on VKA, and 23 (50%) on DOAC. In multivariate analysis, only oral anticoagulation therapy was significantly associated to an increased risk of intracranial hemorrhage progression (HR 2.58; 95% CI 1.411-4.703; p = .002 and HR 1.9; 95% CI 1.004-3.735; p = .0048 for VKA and DOAC, respectively). Surgery was due to isolated subdural hematoma in 87.5% of cases, to subdural hematoma associated with intraparenchymal hemorrhage in 9.38% and to intraparenchymal hemorrhage only in 3.12%; 13 cases (4.35%) deceased in intensive care unit. CONCLUSIONS In our series, anticoagulation was associated to a significant increase in intracranial progression, leaving the question open as to what this implies in current clinical practice; subdural hematoma was the major finding associated to evolution and surgery. Against this background, further studies are needed to clarify patients' management and DOAC safety profile compared to VKA in mild TBI.
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24
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Chojak R, Koźba-Gosztyła M, Pawłowski M, Czapiga B. Deterioration After Mild Traumatic Brain Injury: A Single-Center Experience With Cost Analysis. Front Neurol 2021; 12:588429. [PMID: 34630266 PMCID: PMC8497805 DOI: 10.3389/fneur.2021.588429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 08/20/2021] [Indexed: 11/23/2022] Open
Abstract
Background: Most traumatic brain injuries (TBIs) are mild (GCS score of 13–15). Patients with mild TBI (mTBI) are generally in good condition. In some cases, a neurological deterioration (manifested by a drop of ≥1 point in GCS score) can occur and neurosurgical intervention (NI) may be needed. Because of that, these patients are frequently admitted to a hospital for observation. The aim of our study was to determine the number of patients with mTBI that deteriorate or need NI. We also considered an economic aspect of hospital admissions of these patients. Methods: The study group consisted of 186 adult patients admitted to the neurosurgical department due to mTBI. Patients were divided into three groups according to an initial GCS score. The occurrence of deterioration, need for NI, length of stay (LOS), cost of stay and occurrence of death were analyzed. Results: The deterioration was observed in 7 (3.76%) out of all cases. In 3 (1.61%) of them, the NI was needed. The average LOS was 7.96 days and it was closely linked with an initial GCS score (p < 0.001). The total cost of stay of all patients included in this study was about 1,188,668 PLN (306,357 USD). Conclusion: The deterioration occurred in a small number of patients with mTBI, the need for NI was even less common. Hospitalization of these patients is expensive. Further studies with prognostic model helping decide on admission/discharge are necessary.
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Affiliation(s)
- Rafał Chojak
- Faculty of Medicine, Wrocław Medical University, Wrocław, Poland
| | | | - Mateusz Pawłowski
- Department of Neurosurgery, 4th Military Hospital in Wrocław, Wrocław, Poland.,Department of Nervous System Diseases, Faculty of Health Sciences, Wrocław Medical University, Wrocław, Poland
| | - Bogdan Czapiga
- Department of Neurosurgery, 4th Military Hospital in Wrocław, Wrocław, Poland.,Department of Nervous System Diseases, Faculty of Health Sciences, Wrocław Medical University, Wrocław, Poland
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25
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Coscia A, Stolz U, Barczak C, Wright N, Mittermeyer S, Shams T, Epstein S, Kreitzer N. Use of the Sports Concussion Assessment Tool 3 in Emergency Department Patients With Psychiatric Disease. J Head Trauma Rehabil 2021; 36:E302-E311. [PMID: 33656471 DOI: 10.1097/htr.0000000000000648] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
OBJECTIVE The Sports Concussion Assessment Tool 3 (SCAT3) Symptom Evaluation (SE) is used in the emergency department (ED). This study aimed to examine the effects of psychiatric history on the SCAT3 SE symptom severity score (SSS). SETTING Three US EDs. PARTICIPANTS A total of 272 ED patients with suspected concussion. DESIGN Prospective, nonrandomized, nonblinded study. The SCAT3 SE SSS, demographic data, medical information, and self-reported psychiatric history were obtained from patients by clinical research staff when they presented to the ED seeking standard clinical care. Concussion diagnoses were determined following a comprehensive assessment by an ED physician trained in managing concussions and adjudicated by supervising physicians. MAIN MEASURES The primary outcome measure was SSS. The association between SSS, self-reported psychiatric disease, and concussion diagnosis was analyzed using multivariable linear regression. RESULTS 68.4% of subjects were diagnosed with a concussion. After controlling for age, sex, race, history of previous concussion, and interval from injury to ED presentation, self-reported psychiatric history (adjusted regression coefficient (βa): 16.9; confidence interval [CI]: 10.1, 23.6), and concussion diagnosis (βa: 21.7; CI: 14.2, 29.2) were both independently associated with a significant increase in SSS. Subjects with a history of concussion had a significantly higher SSS (βa: 9.1; CI: 1.8, 16.5). Interval from injury to ED presentation was also associated with a significant increase in SSS (βa: 1.6 per 6-hour increase; CI: 0.4, 2.8). CONCLUSION Our findings demonstrate that a history of preexisting psychiatric disease, as self-reported by patients with a suspected concussion treated in the ED, is independently associated with significantly higher scores on the SCAT3 SE. This suggests that a history of psychiatric illness may need to be accounted for when the SCAT3 SE is used in the ED for the assessment of concussion.
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Affiliation(s)
- Atticus Coscia
- Department of Emergency Medicine, University of Cincinnati Medical Center, Ohio (Messrs Coscia and Barczak and Drs Stolz and Kreitzer); Jan Medical, Mountain View, California (Ms Wright and Dr Mittermeyer); Ballad Health, Johnson City, Tennessee (Dr Shams); Department of Emergency Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts (Dr Epstein); and Division of Neurocritical Care, University of Cincinnati Medical Center, Ohio (Dr Kreitzer)
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26
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Cipriano A, Park N, Pecori A, Bionda A, Bardini M, Frassi F, Lami V, Leoli F, Manca ML, Del Prato S, Santini M, Ghiadoni L. Predictors of post-traumatic complication of mild brain injury in anticoagulated patients: DOACs are safer than VKAs. Intern Emerg Med 2021; 16:1061-1070. [PMID: 33386604 DOI: 10.1007/s11739-020-02576-w] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2020] [Accepted: 11/17/2020] [Indexed: 01/23/2023]
Abstract
Although mild traumatic brain injury (MTBI) in people on oral anticoagulant treatment (OAT) is a frequent challenge for Emergency Department (ED), strong guidelines recommendations are lacking. In the attempt to assess the safety profile of direct oral anticoagulants (DOACs) versus vitamin K antagonists (VKAs), we have recruited 473 patients with a MTBI on OAT (43.6% males; age 81.8 ± 8.7 years), admitted to the Pisa's University Hospital ED (Jan 2016-Oct 2018). All patients underwent a head CT scan with those with no sign of acute bleedings remaining under clinical observation for the ensuing 24 h. Fifty patients (10.6%, 95% CI: 8.1-13.7%) had immediate intracranial hemorrhage (ICH), with a prevalence of patient-important outcomes due to immediate ICH of 1.1% (95% CI 0.4-2.4%); 3 patients died (0.6%, 95% CI 0.2-1.8) and 2 required neurosurgical intervention. Immediate ICHs were more frequent in VKA-treated than in DOAC-treated patients (15.9 vs. 6.4%. RR 2.5. 95%CI 1.4-4.4. p < 0.05). Multivariate analysis identified that post-traumatic amnesia, evidence of trauma above clavicles, high blood glucose, high blood pressure (BP) at arrival, and low prothrombin activity were predictors of immediate ICH. The prevalence of delayed ICH was 1.0% (95%CI 0.4-2.5%) without differences between DOACs and VKAs. Despite ICH being a frequent complication of MTBI in patients on OAT, immediate and delayed patient-important outcomes are rare. DOACs have a better safety profile than VKAs. Simple clinical parameters such as blood pressure at arrival or blood glucose might provide useful predictors of immediate ICH.Trial registration number: 11924_CIPRIANO. Local ethics committee approval number 33096.
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Affiliation(s)
- Alessandro Cipriano
- U.O. Medicina D'Urgenza E Pronto Soccorso, Emergency Department, Nuovo Santa Chiara Hospital, Azienda Ospedaliero-Universitaria of Pisa, Pisa, Italy.
| | - Naria Park
- U.O. Medicina D'Urgenza E Pronto Soccorso, Emergency Department, Nuovo Santa Chiara Hospital, Azienda Ospedaliero-Universitaria of Pisa, Pisa, Italy
| | - Alessio Pecori
- U.O. Medicina D'Urgenza E Pronto Soccorso, Emergency Department, Nuovo Santa Chiara Hospital, Azienda Ospedaliero-Universitaria of Pisa, Pisa, Italy
| | - Alessandra Bionda
- U.O. Medicina D'Urgenza E Pronto Soccorso, Emergency Department, Nuovo Santa Chiara Hospital, Azienda Ospedaliero-Universitaria of Pisa, Pisa, Italy
| | - Michele Bardini
- U.O. Medicina D'Urgenza E Pronto Soccorso, Emergency Department, Nuovo Santa Chiara Hospital, Azienda Ospedaliero-Universitaria of Pisa, Pisa, Italy
| | - Francesca Frassi
- U.O. Medicina D'Urgenza E Pronto Soccorso, Emergency Department, Nuovo Santa Chiara Hospital, Azienda Ospedaliero-Universitaria of Pisa, Pisa, Italy
| | - Valentina Lami
- U.O. Medicina D'Urgenza E Pronto Soccorso, Emergency Department, Nuovo Santa Chiara Hospital, Azienda Ospedaliero-Universitaria of Pisa, Pisa, Italy
| | - Francesco Leoli
- U.O. Medicina D'Urgenza E Pronto Soccorso, Emergency Department, Nuovo Santa Chiara Hospital, Azienda Ospedaliero-Universitaria of Pisa, Pisa, Italy
| | - Maria Laura Manca
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Stefano Del Prato
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Massimo Santini
- U.O. Medicina D'Urgenza E Pronto Soccorso, Emergency Department, Nuovo Santa Chiara Hospital, Azienda Ospedaliero-Universitaria of Pisa, Pisa, Italy
| | - Lorenzo Ghiadoni
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
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27
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Kato Y. Alexander Alexandrovich Potapov, MD, PhD, 1948-2021. Asian J Neurosurg 2021; 16:437-442. [PMID: 34268182 PMCID: PMC8244707 DOI: 10.4103/1793-5482.317007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 05/20/2021] [Accepted: 05/21/2021] [Indexed: 11/04/2022] Open
Affiliation(s)
- Yoko Kato
- Department of Neurosurgery, Bantane Hospital, Fujita Health University, Nagoya, Japan
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28
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Turcato G, Zaboli A, Zannoni M, Ricci G, Zorzi E, Ciccariello L, Tenci A, Pfeifer N, Maccagnani A, Bonora A. Risk factors associated with intracranial bleeding and neurosurgery in patients with mild traumatic brain injury who are receiving direct oral anticoagulants. Am J Emerg Med 2021; 43:180-185. [DOI: 10.1016/j.ajem.2020.02.046] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Revised: 02/16/2020] [Accepted: 02/22/2020] [Indexed: 12/26/2022] Open
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29
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Borst J, Godat LN, Berndtson AE, Kobayashi L, Doucet JJ, Costantini TW. Repeat head computed tomography for anticoagulated patients with an initial negative scan is not cost-effective. Surgery 2021; 170:623-627. [PMID: 33781587 DOI: 10.1016/j.surg.2021.02.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 01/17/2021] [Accepted: 02/08/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND Patients on antithrombotic medications presenting with blunt trauma are at risk for delayed intracranial hemorrhage. We hypothesized that clinically significant delayed intracranial hemorrhage is rare in patients presenting on antithrombotic medications and therefore routine, repeat head computed tomography imaging is not a cost-effective practice to monitor for delayed intracranial hemorrhage. METHODS Patients presenting to our institution on antithrombotic (anticoagulant and antiplatelet) medications during a 5-y period from January 2014 through March 2019 who underwent a head computed tomography for blunt trauma were identified in our trauma registry. Patients with an initial negative head computed tomography underwent repeat imaging 6 h after their initial head computed tomography. Patient demographics, antithrombotic medication, international normalized ratio, Glasgow Coma Score, clinical change in neurologic status, and need for neurosurgical intervention were collected. RESULTS Our institution evaluated 1,676 patients on antithrombotic therapy with blunt trauma. The initial head computed tomography was negative in 1,377 patients (82.0%). Of those with an initial negative head computed tomography, 12 patients (0.9%) developed an intracranial hemorrhage that was identified on the second head computed tomography. Delayed intracranial hemorrhage included 6 patients with intraventricular hemorrhage, 3 with subdural hematoma, 2 with subarachnoid hemorrhage, and 1 with an intraparenchymal hemorrhage. None of the patients with delayed intracranial hemorrhage developed a change in neurologic status, required an intracranial pressure monitor, or underwent neurosurgical intervention. The estimated total direct cost of the negative head computed tomography scans was $926,247. CONCLUSION Clinically significant delayed intracranial hemorrhage is rare in trauma patients on antithrombotic therapy, with an initial negative head computed tomography. Routine repeat head computed tomography imaging in patients with a negative scan on admission is not cost-effective.
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Affiliation(s)
- Johanna Borst
- Division of Trauma, Surgical Critical Care, Burns and Acute Care Surgery, Department of Surgery, UC San Diego School of Medicine, San Diego, CA. https://twitter.com/BorstJohanna
| | - Laura N Godat
- Division of Trauma, Surgical Critical Care, Burns and Acute Care Surgery, Department of Surgery, UC San Diego School of Medicine, San Diego, CA. https://twitter.com/godat_l
| | - Allison E Berndtson
- Division of Trauma, Surgical Critical Care, Burns and Acute Care Surgery, Department of Surgery, UC San Diego School of Medicine, San Diego, CA. https://twitter.com/ABerndtson
| | - Leslie Kobayashi
- Division of Trauma, Surgical Critical Care, Burns and Acute Care Surgery, Department of Surgery, UC San Diego School of Medicine, San Diego, CA
| | - Jay J Doucet
- Division of Trauma, Surgical Critical Care, Burns and Acute Care Surgery, Department of Surgery, UC San Diego School of Medicine, San Diego, CA. https://twitter.com/jaydoucet
| | - Todd W Costantini
- Division of Trauma, Surgical Critical Care, Burns and Acute Care Surgery, Department of Surgery, UC San Diego School of Medicine, San Diego, CA.
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30
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Affiliation(s)
- Bruno S Subbarao
- Physical Medicine and Rehabilitation Department, Phoenix Veterans Healthcare System, Building 34, 650 E Indian School Rd, Phoenix, AZ 85012, USA.
| | - Jesse Stokke
- HonorHealth Rehabilitation Hospital, 8850 E Pima Center Pkwy, Scottsdale, AZ 85258, USA
| | - Samuel J Martin
- HonorHealth Rehabilitation Hospital, 8850 E Pima Center Pkwy, Scottsdale, AZ 85258, USA
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31
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Mitra B, Ruggles T, Seah J, Miller C, Fitzgerald MC. Delayed intracranial hemorrhage after trauma. Brain Inj 2021; 35:484-489. [PMID: 33606557 DOI: 10.1080/02699052.2021.1887520] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Introduction: Delayed Intracranial Hemorrhage (D-ICH), defined as finding of ICH on subsequent imaging after a normal computed tomography of the brain (CTB), is a feared complication after head trauma. The aim of this study was to determine the incidence and severity of D-ICH.Methods: This retrospective cohort study included patients that presented directly from the scene of injury to an adult major trauma center from Jan 2013 to Dec 2018.Results: There were 6536 patients who had an initial normal CTB and 23 (0.3%; 95%CI: 0.20-0.47) had D-ICH. There were 653 patients who had a repeat CTB (incidence of D-ICH 3.5%; 95%CI: 2.2-5.2). There was no significant association of D-ICH with age>65 years (OR 1.33; 95%CI: 0.54-3.29), presenting GCS <15 (OR 1.21; 95% CI: 0.52-2.80) and anti-platelet medications (OR 0.68; 95%CI: 0.26-1.74). Exposure to anti-coagulant medications was associated with lower odds of D-ICH (OR 0.23; 95%CI: 0.05-0.99). All cases of D-ICH were diffuse injury type II lesions on the Marshall classification. There were no cases that underwent neurosurgical intervention and no deaths were attributed to D-ICH.Conclusions: These results question observation of patients with head injury in hospital after a normal CTB for the sole purpose of excluding D-ICH.
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Affiliation(s)
- Biswadev Mitra
- Emergency & Trauma Centre, The Alfred Hospital, Melbourne, Australia.,School of Public Health & Preventive Medicine, Monash University, Melbourne, Australia.,National Trauma Research Institute, The Alfred Hospital, Melbourne, Australia
| | - Tomi Ruggles
- School of Nursing & Midwifery, La Trobe University, Melbourne, Australia
| | - Jarrel Seah
- Department of Radiology, Alfred Health, Melbourne, Australia
| | - Charne Miller
- School of Nursing & Midwifery, La Trobe University, Melbourne, Australia
| | - Mark C Fitzgerald
- National Trauma Research Institute, The Alfred Hospital, Melbourne, Australia.,Central Clinical School, Monash University, Melbourne, Australia.,Trauma Service, The Alfred Hospital, Melbourne, Australia
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Unexpected role of stress as a possible resilience mechanism upon mild traumatic brain injury (mTBI) in mice. Mol Cell Neurosci 2020; 111:103586. [PMID: 33358995 DOI: 10.1016/j.mcn.2020.103586] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 12/07/2020] [Accepted: 12/11/2020] [Indexed: 11/20/2022] Open
Abstract
INTRODUCTION Mild traumatic brain injury (mTBI) is common and associated with cognitive impairment. Stress and mTBI are known to modulate the neural function. The present study aims at exploring the effect of prior stress exposure on cognitive function following mTBI. METHODS Eight weeks old male ICR mice were subjected to either stress induced by forced swimming stress alone, stress followed by an immediate mTBI, or stress followed by 30 min break and then mTBI. We had two control groups: SHAM group - a control group which was not exposed to stress nor to mTBI and control mTBI group - a control group which was exposed only to TBI with no stress. Mice were weighed prior and at 12, 24 h and 1 week following interventions. Motor evaluation was conducted by rotarod. Behavioral changes were evaluated using open field, Y maze, elevated plus maze and staircase tests, at 12 h and 1 week following interventions. Brain levels of NMDAR subunits (R1, R2A, R2B), GABABR1, glucocorticoid and mineralocorticoid receptors (GR, MR) were evaluated using western blot. RESULTS Stress alone, mTBI alone, and stress followed by immediate mTBI resulted in a significant weight loss compared to control (p < 0.05). Stress 30 min prior to mTBI had a protective effect on weight (p = 0.14 compared to control). The stress and mTBI alone groups showed reduced time at the center of the open field arena 1 week after intervention (p < 0.05 for both). Time in the novel arm of the Y maze was significantly shorter in the mTBI and stress followed by delayed mTBI (p = 0.02). Immediate stress prior to mTBI had normalized times in the novel arm (p = 0.95 compared to control). Combination of stress and mTBI significantly modified NMDAR subunits levels (increased NMDAR1, p < 0.008, decreased NMDAR2A p = 0.02) as well as increased MR levels (p = 0.04). CONCLUSION Exposure to stress prior to mTBI may improve the cognitive consequences of mTBI. These data may point towards a novel, unexpected role of stress as a possible resilience mechanism in the setting of mTBI.
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33
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De Stefano F, Fiani B, Mayo T. A Foundational “Survival Guide” Overview of Sports-Related Head Injuries. Cureus 2020; 12:e11636. [PMID: 33376648 PMCID: PMC7755598 DOI: 10.7759/cureus.11636] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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34
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Auxéméry Y, Gayraud F. Post-concussion syndrome: Still forgotten? From the disappearance of the DSM-5 to a multidisciplinary consultation. Encephale 2020; 47:491-494. [PMID: 33218667 DOI: 10.1016/j.encep.2020.06.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 06/21/2020] [Accepted: 06/22/2020] [Indexed: 11/25/2022]
Abstract
OBJECTIVES Following the presence of both post-traumatic stress disorder (PTSD) and post-concussion syndrome (PCS) in the nosography since the publication of DSM-IV, large-scale studies investigated the links between these two entities: exposure to a mild traumatic brain injury was correlated with the presence of PTSD and vice versa, and the strongest factor associated with PCS was the presence of PTSD. But PCS entity was recently suppressed from the 5th edition of the American diagnostic and statistical classification of neuropsychiatric disorders (DSM-5, 2013). In the 11th edition of the CIM, PCS is also likely to be omitted. This elimination raises more questions if we take into consideration the emancipation of PTSD, which now includes the full category of "disorders related to trauma and stressors" to which PCS could have legitimately been added. METHODS We discuss current scientific literature and clinical practices with a socio-anthropological point of view. RESULTS Post-concussion and post-traumatic clinical entities often show similar anamnestic temporalities, with an initial acute phase where memory (amnesia following TBI; dissociative post-traumatic amnesia) and consciousness (initial loss of consciousness secondary to TBI; peri-traumatic psychic dissociation) impairments predominate, followed by a pauci-symptomatic latency phase. Finally, a symptomatic phase occurs in which similar symptoms for both entities are observed (sleep disorders, anxiety and depression, irritability, fatigue, attention disorder, tendency to avoidance). If similar therapies (pharmacological and psychological) are effective in treating the clinical consequences of head and mental trauma, this suggests that they have common etiopathogenic origins. CONCLUSIONS Yet, post-concussion syndrome remains a clinical-biological reality. If a diffusion tensor imaging MRI in the acute phase is likely to provide predictive elements for subsequent cognitive dysfunctions, it would appear useful to consider combining biomarkers, and linguistics markers, with the creation of a clinical-radio-bio- neuropsychological score in order to differentiate benign outcomes from neuro- and/or psycho-traumatic disorders.
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Affiliation(s)
- Y Auxéméry
- Centre hospitalier de Jury-les-Metz, hôpital de jour, 12, rue des Treize, 57070 Metz, France; EA 4360 APEMAC « Adaptation, mesure et évaluation en santé. Approches interdisciplinaires » - Équipe EPSAM, université de Lorraine, Metz, France.
| | - F Gayraud
- Laboratoire dynamique du langage, UMR 5596, CNRS, Université Lyon-II, Lyon, France
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Yamada C, Hagiwara S, Ohbuchi H, Kasuya H. Risk of Intracranial Hemorrhage and Short-Term Outcome in Patients with Minor Head Injury. World Neurosurg 2020; 141:e851-e857. [DOI: 10.1016/j.wneu.2020.06.044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 06/05/2020] [Accepted: 06/07/2020] [Indexed: 11/29/2022]
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Weber AE, Trasolini NA, Bolia IK, Rosario S, Prodromo JP, Hill C, Romano R, Liu CY, Tibone JE, Gamradt SC. Epidemiologic Assessment of Concussions in an NCAA Division I Women's Soccer Team. Orthop J Sports Med 2020; 8:2325967120921746. [PMID: 32478117 PMCID: PMC7232119 DOI: 10.1177/2325967120921746] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 02/13/2020] [Indexed: 11/24/2022] Open
Abstract
Background: Among collegiate sports, ice hockey and wrestling have been reported to have
the highest rates of concussion injury. Recent literature has shown that
among all sports, female soccer players had the highest rate of concussion
injury at the high school level. Sport-specific analysis will increase our
knowledge of epidemiologic characteristics of this serious injury in young
soccer players, where “heading” is commonly involved during
participation. Hypothesis: Heading during soccer will be associated with increased frequency of
concussion injury in collegiate female players compared with other
mechanisms of injury, and concussion injury mechanism and rates will differ
by setting of injury (practice or match) and player position. Study Design: Descriptive epidemiologic study. Methods: This was a retrospective review and epidemiologic analysis of all concussions
documented from a single National Collegiate Athletic Association (NCAA)
Division I female collegiate soccer team between 2004 and 2017. A total of
381 participants were reviewed, and concussion injury mechanism, setting
(practice or match), player position, and number of games and practices
missed due to injury were analyzed. Results: Overall, 25 concussions in 22 players from the 2004 to 2017 seasons were
identified, for an annual rate of 1.79 concussions per year. Collisions
(36%) followed by headers (20%) were the most common mechanisms. Forwards
sustained the most concussions (32%). Injuries were more common in games
(56%) than practice (40%). Of note, the most common cause of concussion
during practice was headers (40%). Of the concussions documented, 20 (91%)
were the player’s first concussion. On average, each concussion resulted in
a player missing 3.96 games and 12.46 practices. Conclusion: Our results demonstrate that concussion rates in female NCAA soccer players
vary by position and occur with different frequencies and mechanisms in
practice and games. Interventions for concussion avoidance should aim to
limit exposure to high-risk activity, including player-to-player contact in
games and headers in practice. Although gameplay and collisions can be
unpredictable and difficult to control, practice settings can be modified in
an attempt to decrease risk.
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Affiliation(s)
- Alexander E Weber
- USC Epstein Family Center for Sports Medicine at Keck Medicine of USC, Los Angeles, California, USA
| | - Nicholas A Trasolini
- USC Epstein Family Center for Sports Medicine at Keck Medicine of USC, Los Angeles, California, USA
| | - Ioanna K Bolia
- USC Epstein Family Center for Sports Medicine at Keck Medicine of USC, Los Angeles, California, USA
| | - Santano Rosario
- University of California, Los Angeles, Los Angeles, California, USA
| | - John P Prodromo
- Department of Orthopaedic Surgery, Drexel University College of Medicine, Philadelphia, Pennsylvania, USA
| | - Catherine Hill
- USC Epstein Family Center for Sports Medicine at Keck Medicine of USC, Los Angeles, California, USA
| | - Russ Romano
- USC Epstein Family Center for Sports Medicine at Keck Medicine of USC, Los Angeles, California, USA
| | - Charles Y Liu
- Department of Neurological Surgery, USC Neurorestoration Center, Los Angeles, California, USA
| | - James E Tibone
- USC Epstein Family Center for Sports Medicine at Keck Medicine of USC, Los Angeles, California, USA
| | - Seth C Gamradt
- USC Epstein Family Center for Sports Medicine at Keck Medicine of USC, Los Angeles, California, USA
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Valiuddin H, Alam A, Calice M, Boehm K, Millard J, Laforest D, Valiuddin Y, Ricardi R, Kaakaji R, Koch S, Oweis T, Keyes D. Utility of INR For Prediction of Delayed Intracranial Hemorrhage Among Warfarin Users with Head Injury. J Emerg Med 2020; 58:183-190. [DOI: 10.1016/j.jemermed.2020.01.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 12/31/2019] [Accepted: 01/09/2020] [Indexed: 01/24/2023]
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Jang SH, Yeo SS, Kwon JW, Kwon YH. Differences in Corticoreticulospinal Tract Injuries According to Whiplash in Mild Traumatic Brain Injury Patients. Front Neurol 2019; 10:1199. [PMID: 31849803 PMCID: PMC6896834 DOI: 10.3389/fneur.2019.01199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 10/28/2019] [Indexed: 12/05/2022] Open
Abstract
Background: This study investigated differences in postural control ability (PCA) and corticoreticulospinal tract (CRT) injury severity according to whiplash in patients with mild traumatic brain injury (mTBI). Methods: Thirty-one patients with mTBI and 21 healthy control subjects were recruited for this study. The balance error scoring system (BESS) was used for PCA assessment. Based on their whiplash history, the patients were classified into two groups: group A—mTBI with whiplash injury; group B—mTBI without whiplash injury. Fractional anisotropy (FA), apparent diffusion coefficient (ADC), and tract volume (TV) values were estimated for the reconstructed CRTs in all subjects. Results: Significant differences were observed among the total BESS scores of patient groups A and B and the control group (p < 0.05). The patient group A BESS score was significantly higher than that of patient group B, and that of the patient group B was significantly higher than that of the control group. No significant differences were detected among the FA and ADC values of the CRTs of the two patient groups and the control group (p > 0.05). However, the TV values of the CRT did reveal significant differences; the TV of patient group A was significantly lower than those of patient group B and the control group, and that of patient group B was significantly lower than that of the control group (p < 0.05). Conclusions: We observed greater CRT injury severity and PCA impairment in mTBI patients with whiplash than in mTBI patients without whiplash. The results indicate that whiplash might lead to a greater level of severity in axonal injuries in mTBI patients.
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Affiliation(s)
- Sung Ho Jang
- Department of Physical Medicine and Rehabilitation, College of Medicine, Yeungnam University, Gyeongsan, South Korea
| | - Sang Seok Yeo
- Department of Physical Therapy, College of Health Sciences, Dankook University, Seoul, South Korea
| | - Jung Won Kwon
- Department of Physical Therapy, College of Health Sciences, Dankook University, Seoul, South Korea
| | - Young Hyeon Kwon
- Department of Physical Medicine and Rehabilitation, College of Medicine, Yeungnam University, Gyeongsan, South Korea
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Surfing-related head injuries presenting to United States emergency departments. J Orthop 2019; 19:184-188. [PMID: 32025130 DOI: 10.1016/j.jor.2019.11.042] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 11/24/2019] [Indexed: 10/25/2022] Open
Abstract
This study examined the incidence and trends of surfing-related and mild traumatic brain injuries that presented to United States emergency departments between 2001 and 2016. Subjects with surging-related head injuries were retrieved from the National Electronic Injury Surveillance System. A weighted total of 34,337 surfing-related head injuries were identified. The annual incidence of surfing-related head injuries insignificantly decreased from 2001 to 2016 (R2 = .119; p = .19). Most common injuries included lacerations (50.4%), blunt head injuries (25.7%), and mild traumatic brain injuries (16.1%). Mild traumatic brain injury incidence and annual percentage increased significantly during the study period (R2 = .251; p = .05 and R2 = .346; p = .02, respectively).
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Direct Oral Anticoagulant Treatment and Mild Traumatic Brain Injury: Risk of Early and Delayed Bleeding and the Severity of Injuries Compared with Vitamin K Antagonists. J Emerg Med 2019; 57:817-824. [PMID: 31648805 DOI: 10.1016/j.jemermed.2019.09.007] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2019] [Revised: 09/09/2019] [Accepted: 09/10/2019] [Indexed: 01/08/2023]
Abstract
BACKGROUND The risk of intracranial hemorrhage (ICH) in patients taking direct oral anticoagulants (DOACs) after mild traumatic brain injury (MTBI) is unclear. OBJECTIVES To assess the differences in the risk of developing early, delayed, and comprehensive bleeding after MTBI among patients treated with DOACs as compared with those treated with vitamin K antagonists (VKAs). METHODS All MTBI patients taking oral anticoagulants in our emergency department between June 2017 and August 2018 were included. All patients on oral anticoagulants underwent immediate cerebral computed tomography (CT) and a second CT scan after 24 h of clinical observation. RESULTS There were 451 patients enrolled: 268 were on VKAs and 183 on DOACs. Of the DOAC-treated patients, 7.7% (14/183) presented overall intracranial bleeding, compared with 14.9% (40/268) of VKA-treated patients (p = 0.026). Early bleeding was present in 5.5% (10/183) of DOAC-treated patients and in 11.6% (31/268) of VKA-treated patients (p = 0.030). Multivariable analysis showed that VKA therapy (odds ratio [OR] 2.327), high-energy impact (OR 11.229), amnesia (OR 2.814), loss of consciousness (OR 5.286), Glasgow Coma Scale score < 15 (OR 4.719), and the presence of lesion above the clavicles (OR 2.742) were associated with significantly higher risk of global ICH. A nomogram was constructed to predict ICH using these six variables. Discrimination of the nomogram revealed good predictive abilities (area under the receiver operating characteristic curve: 0.817). CONCLUSIONS DOAC-treated patients seem to have lower risk of posttraumatic intracranial bleeding compared with VKA-treated patients.
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Chenoweth JA, Gaona SD, Faul M, Holmes JF, Nishijima DK. Incidence of Delayed Intracranial Hemorrhage in Older Patients After Blunt Head Trauma. JAMA Surg 2019; 153:570-575. [PMID: 29450470 DOI: 10.1001/jamasurg.2017.6159] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Importance Current guidelines conflict on the management of older adults who have blunt head trauma taking anticoagulant and antiplatelet medications. This is partially due to the limited data comparing patients who are taking these medications with those who are not. Objective To investigate the incidence of delayed traumatic intracranial hemorrhage in older adults with head trauma, including those taking anticoagulant and antiplatelet medications. Design, Setting, and Participants This prospective observational cohort study included patients 55 years and older who had blunt head trauma and were transported via emergency medical services between August 1, 2015, and September 30, 2016. The setting was a multicenter study conducted at 11 hospitals in northern California. Patients were excluded if they had traumatic intracranial hemorrhage on the initial cranial computed tomographic scan, did not have a cranial computed tomographic scan performed at the initial emergency department visit, refused consent for a follow-up telephone call, or did not have reliable means of follow-up. Main Outcome and Measure The primary outcome of this study was the incidence of delayed traumatic intracranial hemorrhage within 14 days of injury. Results Among 859 patients enrolled in the study, the median age was 75 years (interquartile range, 64-85 years), and 389 (45.3%) were male. A total of 343 patients (39.9%) were taking an anticoagulant or antiplatelet medication. Three patients (0.3%; 95% CI, 0.1%-1.0%) had a delayed traumatic intracranial hemorrhage. Of the 3 patients, 1 of 75 patients (1.3%; 95% CI, 0.0%-7.2%) who were taking warfarin sodium alone and 2 of 516 patients (0.4%; 95% CI, 0.1%-1.4%) who were not taking any anticoagulant or antiplatelet medication had a delayed traumatic intracranial hemorrhage. Thirty-nine patients (4.5%; 95% CI, 3.2%-6.2%) were lost to follow-up. Conclusions and Relevance Overall, the incidence of delayed intracranial hemorrhage in older adults who have blunt head trauma is low, including patients taking an anticoagulant or antiplatelet medication. These findings suggest that routine observation and serial cranial computed tomography may not be necessary in these patients.
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Affiliation(s)
- James A Chenoweth
- Department of Emergency Medicine, University of California, Davis, School of Medicine, Sacramento
| | - Samuel D Gaona
- Department of Emergency Medicine, University of California, Davis, School of Medicine, Sacramento
| | - Mark Faul
- Centers for Disease Control and Prevention, Atlanta, Georgia
| | - James F Holmes
- Department of Emergency Medicine, University of California, Davis, School of Medicine, Sacramento
| | - Daniel K Nishijima
- Department of Emergency Medicine, University of California, Davis, School of Medicine, Sacramento
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Caplain S, Chenuc G, Blancho S, Marque S, Aghakhani N. Efficacy of Psychoeducation and Cognitive Rehabilitation After Mild Traumatic Brain Injury for Preventing Post-concussional Syndrome in Individuals With High Risk of Poor Prognosis: A Randomized Clinical Trial. Front Neurol 2019; 10:929. [PMID: 31551902 PMCID: PMC6737662 DOI: 10.3389/fneur.2019.00929] [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: 01/23/2019] [Accepted: 08/09/2019] [Indexed: 11/13/2022] Open
Abstract
Unfavorable outcomes (UO) occur in 15-20% of patients with mild traumatic brain injury (mTBI). Early identification of patients at risk of UO is crucial for suitable management to be initiated, increasing the chances of full recovery. We previously developed a prognostic tool for early identification (8-21 days after the injury) of patients likely to develop UO. Patients whose initial risk factors indicate UO are at risk of developing post-concussion syndrome (PCS). In the present study, we examined the beneficial effects of early multidimensional management (MM) on prognosis. We used our prognostic tool to classify 221 mTBI patients into a UO (97) group or a favorable outcome (FO) group (124). We randomized the UO patients into two subgroups: a group that underwent MM (involving psychoeducation and cognitive rehabilitation) (34) and a control group with no specific treatment other than psychoeducation (46). At 6 months, these two groups were compared to assess the impact of MM. Among the followed-up patients initially classified as having FO (101), 95% had FO at 6 months and only five had PCS [as defined by the Diagnostic and Statistical Manual of Mental Disorders (DSM)-IV classification]. Among the followed-up MM patients, 94% did not have PCS 6 months after injury, whereas 52% of the control patients had PCS. The effect of MM on the recovery of patients at 6 months, once adjusted for the main confounding factors, was significant (p < 0.001). These results show that the initiation of MM after early identification of at-risk mTBI patients can considerably improve their outcomes. Clinical Trials Registration: The study was registered at ClinicalTrials.gov (NCT03811626).
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Affiliation(s)
- Sophie Caplain
- Psychopathology and Neuropsychology Laboratory, University Paris 8, Saint-Denis, France
| | | | - Sophie Blancho
- Institut pour la Recherche sur la Moelle Epinière et l'Encéphale, Paris, France
| | | | - Nozar Aghakhani
- Department of Neurosurgery, Bicêtre University Hospital, Paris, France
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Niele N, Houten MA, Boersma B, Biezeveld MH, Douma M, Heitink K, ten Tusscher GW, Tromp E, van Goudoever JB, Plötz FB. Multi-centre study found that strict adherence to guidelines led to computed tomography scans being overused in children with minor head injuries. Acta Paediatr 2019; 108:1695-1703. [PMID: 30721540 DOI: 10.1111/apa.14742] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Revised: 01/28/2019] [Accepted: 02/01/2019] [Indexed: 12/01/2022]
Abstract
AIM Our primary aim was to calculate the head computed tomography (CT) scan rate in children with a minor head injury (MHI) when the Dutch National guidelines were followed in clinical practice. The secondary aim was to determine the incidence of CT abnormalities and the guideline predictors associated with traumatic abnormalities. METHODS We performed a multi-centre, prospective observational cross-sectional study in the emergency departments of six hospitals in The Netherlands between 1 April 2015 and 31 December 2016. RESULTS Data on 1002 patients were studied and 69% of cases complied with the guidelines. The overall CT rate was 44% and the incidence of traumatic abnormal CT findings was 13%. CT scans were performed in 19% of children under two years of age, 48% of children between two and five years and 63% of children aged six years or more. Multivariate regression analysis for all age categories showed that CT abnormalities were predicted by a Glasgow Coma Scale of less than 15, suspicion of a basal skull fracture, vomiting and scalp haematomas or external lesions of the skull. CONCLUSION Strict adherence to the Dutch national guidelines resulted in CT overuse. New guidelines are needed to safely reduce CT scan indications.
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Affiliation(s)
- Nicky Niele
- Department of Paediatrics Tergooi Hospital Blaricum The Netherlands
- Department of Paediatrics Emma Children's Hospital Amsterdam UMC Amsterdam The Netherlands
| | - Marlies A. Houten
- Department of Paediatrics Spaarne Gasthuis Hospital Hoofddorp The Netherlands
| | - Bart Boersma
- Department of Paediatrics Noordwest Ziekenhuisgroep Alkmaar The Netherlands
| | | | - Matthijs Douma
- Department of Emergency Medicine Dijklander Hospital Hoorn The Netherlands
| | - Katja Heitink
- Department of Paediatrics Flevo Hospital Almere The Netherlands
| | | | - Ellen Tromp
- Department of Epidemiology and Statistics St Antonius Hospital Nieuwegein The Netherlands
| | | | - Frans B. Plötz
- Department of Paediatrics Tergooi Hospital Blaricum The Netherlands
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Hicks AJ, James AC, Spitz G, Ponsford JL. Traumatic Brain Injury as a Risk Factor for Dementia and Alzheimer Disease: Critical Review of Study Methodologies. J Neurotrauma 2019; 36:3191-3219. [PMID: 31111768 DOI: 10.1089/neu.2018.6346] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Despite much previous research stating that traumatic brain injury (TBI) has been confirmed as a risk factor for dementia and Alzheimer disease (AD), findings from observational studies are mixed and are of low methodological quality. This review aimed to critically evaluate the methodologies used in previous studies. Relevant literature was identified by examining reference lists for previous reviews and primary studies, and searches in MEDLINE, PubMed, Google Scholar, and Research Gate. Sixty-eight identified reports, published between 1982 and August 2018, met inclusion criteria. Common methodological weaknesses included self-reported TBI (62%); poor TBI case definition (55%); low prevalence of TBI in samples (range 0.07-28.7%); reverse causality (86% moderate to high risk of reverse causality); not controlling for important confounding factors. There were also key areas of methodological rigor including use of individual matching for cases and controls (57%); gold standard dementia and AD criteria (53%); symmetrical data collection (65%); large sample sizes (max, 2,794,752); long follow-up periods and controlling of analyses for age (82%). The quality assessment revealed methodological problems with most studies. Overall, only one study was identified as having strong methodological rigor. This critical review identified several key areas of methodological weakness and rigor and should be used as a guideline for improving future research. This can be achieved by using longitudinal prospective cohort designs, with medically confirmed and well characterized TBI sustained sufficient time before the onset of dementia, including appropriate controls and informants, and considering the impacts of known protective and risk factors.
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Affiliation(s)
- Amelia J Hicks
- Monash-Epworth Rehabilitation Research Centre, Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Melbourne, Australia
| | - Amelia C James
- Monash-Epworth Rehabilitation Research Centre, Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Melbourne, Australia
| | - Gershon Spitz
- Monash-Epworth Rehabilitation Research Centre, Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Melbourne, Australia
| | - Jennie L Ponsford
- Monash-Epworth Rehabilitation Research Centre, Turner Institute for Brain and Mental Health, School of Psychological Sciences, Monash University, Melbourne, Australia
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Marques RSF, Antunes C, Machado MJ, Ramos R, Duarte N, Oliveira L, Alegria C, Sousa N. Reappraising the need for a control CT in mild head injury patients on anticoagulation. Eur J Trauma Emerg Surg 2019; 47:1461-1466. [DOI: 10.1007/s00068-019-01172-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2019] [Accepted: 06/11/2019] [Indexed: 01/11/2023]
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Mild Traumatic Brain Injury: Striking Postconcussion Symptoms Due to Inadequate Management. Pediatr Emerg Care 2019; 35:e99-e103. [PMID: 31136453 DOI: 10.1097/pec.0000000000001854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Pediatric mild traumatic brain injury is a frequent cause for emergency consultations. Very often, management decisions focus only on acute neurological problems, without considering possible long-term impairment. Our case describes a 14-year-old girl who developed a pronounced and prolonged postconcussive syndrome and subsequent posttraumatic stress symptoms after (mild) traumatic brain injury. Early discharge without adequate instructions about the appropriate time to return to school and daily life activities promoted these striking problems. Only the delayed interventions including reduction of school workload and initiation of physiotherapy led to an improvement of symptoms. CONCLUSIONS: Traumatologists, pediatricians, and general practitioners should call families' and teachers' attention to the risk of potential postconcussive syndrome and advise them on appropriate coping strategies. Thorough clinical examination should rule out potentially treatable physical impairments. Prescription of physical and cognitive rest at an early stage is mandatory and should be part of concussion management already at emergency department. Pediatricians or general practitioners should follow up patients and support their gradually working back into full activity.
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Niele N, Willemars L, van Houten M, Plötz FB. Large Variety of Medical Specialties Involved in Management of Pediatric Minor Traumatic Head Injury in the Netherlands. Glob Pediatr Health 2019; 6:2333794X19846117. [PMID: 31065577 PMCID: PMC6487757 DOI: 10.1177/2333794x19846117] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2018] [Revised: 03/26/2019] [Accepted: 03/29/2019] [Indexed: 11/16/2022] Open
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Vaniyapong T, Patumanond J, Ratanalert S, Limpastan K. Clinical indicators for traumatic intracranial findings in mild traumatic brain injury patients. Surg Neurol Int 2019; 10:64. [PMID: 31528402 PMCID: PMC6744828 DOI: 10.25259/sni-101-2019] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 02/06/2019] [Indexed: 12/11/2022] Open
Abstract
Background Mild traumatic brain injury (MTBI), accounting for 80% of traumatic brain injury, is one of the most common conditions seen in emergency departments. Clinical parameters to predict intracranial lesions vary among guidelines. This study intended to find clinical parameters that can predict traumatic intracranial lesions in the setting of a middle-income country. Methods Data from mild head injury patients admitted to the emergency department from two large hospitals in Chiang Mai, Thailand, were prospectively collected from 2013 to 2014. The primary outcome was identifying clinically-important traumatic brain injury (ciTBI), and the secondary outcome was the neurosurgical procedure performed. Ten clinical findings and six predicting factors were analyzed using univariable and multivariable analysis. Results Among 1164 patients, ciTBI was identified in 244 cases (21.0%). The neurosurgical operation was performed in 57 cases (4.9%). Multivariable analysis showed factors for ciTBI were a diffuse headache, neurological deficits, signs of skull base fracture, Glasgow Coma Scale Score <13-14 after 2 h of observation, wound at the scalp, palpable skull fracture, dangerous mechanism, and vomiting 2 times or more. Loss of consciousness, amnesia, intoxication, and age were not predictors for ciTBI. Conclusion We found eight indicators to associate with ciTBI after MTBI which can be used to develop further clinical guidelines for computed tomography scans.
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Affiliation(s)
- Tanat Vaniyapong
- Department of Surgery, Faculty of Medicine, Chiang Mai University, Chiang Mai
| | - Jayanthon Patumanond
- Department of Surgery, Faculty of Medicine, Clinical Epidemiology Unit and Clinical Research Center, Faculty of Medicine, Thammasat University, Pathum Thani, Thailand
| | | | - Kriengsak Limpastan
- Department of Surgery, Faculty of Medicine, Chiang Mai University, Chiang Mai
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Influence of pharmacological and epigenetic factors to suppress neurotrophic factors and enhance neural plasticity in stress and mood disorders. Cogn Neurodyn 2019; 13:219-237. [PMID: 31168328 DOI: 10.1007/s11571-019-09522-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Revised: 12/17/2018] [Accepted: 01/16/2019] [Indexed: 02/08/2023] Open
Abstract
Stress-induced major depression and mood disorders are characterized by behavioural abnormalities and psychiatric illness, leading to disability and immature mortality worldwide. Neurobiological mechanisms of stress and mood disorders are discussed considering recent findings, and challenges to enhance pharmacological effects of antidepressant, and mood stabilizers. Pharmacological enhancement of ketamine and scopolamine regulates depression at the molecular level, increasing synaptic plasticity in prefrontal regions. Blood-derived neurotrophic factors facilitate mood-deficit symptoms. Epigenetic factors maintain stress-resilience in hippocampal region. Regulation of neurotrophic factors blockades stress, and enhances neuronal survival though it paralyzes limbic regions. Molecular agents and neurotrophic factors also control behavioral and synaptic plasticity in addiction and stress disorders. Future research on neuronal dynamics and cellular actions can be directed to obtain the etiology of synaptic dysregulation in mood disorder and stress. For the first time, the current review contributes to the literature of synaptic plasticity representing the role of epigenetic mechanisms and glucocorticoid receptors to predict depression and anxiety in clinical conditions.
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Impact of guidelines for the management of minor head injury on the utilization and diagnostic yield of CT over two decades, using natural language processing in a large dataset. Eur Radiol 2019; 29:2632-2640. [PMID: 30643942 PMCID: PMC6443919 DOI: 10.1007/s00330-018-5954-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2018] [Revised: 11/02/2018] [Accepted: 12/04/2018] [Indexed: 01/18/2023]
Abstract
Objectives We investigated the impact of clinical guidelines for the management of minor head injury on utilization and diagnostic yield of head CT over two decades. Methods Retrospective before-after study using multiple electronic health record data sources. Natural language processing algorithms were developed to rapidly extract indication, Glasgow Coma Scale, and CT outcome from clinical records, creating two datasets: one based on all head injury CTs from 1997 to 2009 (n = 9109), for which diagnostic yield of intracranial traumatic findings was calculated. The second dataset (2009–2014) used both CT reports and clinical notes from the emergency department, enabling selection of minor head injury patients (n = 4554) and calculation of both CT utilization and diagnostic yield. Additionally, we tested for significant changes in utilization and yield after guideline implementation in 2011, using chi-square statistics and logistic regression. Results The yield was initially nearly 60%, but in a decreasing trend dropped below 20% when CT became routinely used for head trauma. Between 2009 and 2014, of 4554 minor head injury patients overall, 85.4% underwent head CT. After guideline implementation in 2011, CT utilization significantly increased from 81.6 to 87.6% (p = 7 × 10−7), while yield significantly decreased from 12.2 to 9.6% (p = 0.029). Conclusions The number of CTs performed for head trauma gradually increased over two decades, while the yield decreased. In 2011, despite implementation of a guideline aiming to improve selective use of CT in minor head injury, utilization significantly increased. Key Points • Over two decades, the number of head CTs performed for minor, moderate, and severe head injury gradually increased, while the diagnostic yield for intracranial findings showed a decreasing trend. • Despite the implementation of a guideline in 2011, aiming to improve selective use of CT in minor head injury, utilization significantly increased, while diagnostic yield significantly decreased. • Natural language processing is a valuable tool to monitor the utilization and diagnostic yield of imaging as a potential quality-of-care indicator. Electronic supplementary material The online version of this article (10.1007/s00330-018-5954-5) contains supplementary material, which is available to authorized users.
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