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Feldman KW, Wright JN, Menashe SJ, Otjen JP, Pidaparti V. Symptomatic Cervical Spinal Cord Injury Without Accompanying Intracranial Injury Because of Child Abuse. Pediatr Emerg Care 2023; 39:371-373. [PMID: 35413043 DOI: 10.1097/pec.0000000000002696] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
ABSTRACT Although spinal ligamentous injuries and extra-axial hemorrhages are known to commonly accompany abusive head trauma (AHT), symptomatic and radiological apparent cervical spinal cord injuries are rare. Of the 16 previously reported cases, 3 such cord injuries lacked the accompanying intracranial injuries of AHT. We report an additional child who developed symptomatic central cervical cord syndrome, with accompanying cervical imaging findings, but no intracranial AHT injuries. The mechanism of trauma for this child and the other children without intracranial injury remains unclear. However, 1 additional reported child sustained similar injuries when she was held by her head and shaken. It is likely that as cervical magnetic resonance imaging becomes more common in AHT, more cases will be recognized.
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Msheik A, Fares Y, Mohanna M, Aoude A, Shkeir M, Chehade F, Kanj A, Mohanna A. Middle meningeal artery embolisation: The review of a new treatment for chronic subdural hematomas. Surg Neurol Int 2023; 14:66. [PMID: 36895214 PMCID: PMC9990792 DOI: 10.25259/sni_1096_2022] [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: 12/07/2022] [Accepted: 02/03/2023] [Indexed: 02/26/2023] Open
Abstract
Background This is a literature review aiming to provide an update about the recent findings related to the efficacy of middle meningeal artery embolization (MMAE) in the treatment of chronic subdural hematomas (cSDHs), comparison with conventional therapy and deduction of the current recommendations and indications. Methods The literature is reviewed using a search through the PubMed index using keywords. Studies are then screened, skimmed, and thoroughly read. 32 studies fulfilled the inclusion criteria and are included in the study. Results Five indications for the application of MMA embolization (MMAE) are deducted from the literature. The usage as a preventive measure after surgical treatment of symptomatic cSDHs in patients with a high risk of recurrence and the usage as a standalone procedure has been the most common reasons for indication of this procedure. Rates of failures for the aforementioned indications have been 6.8% and 3.8%, respectively. Conclusion The safety of MMAE as a procedure is regarded as a general theme in the literature and can be considered for future applications. Usage of this procedure in clinical trials with more patient segregation and timeframe assessment relative to surgical intervention are recommendations of this literature review.
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Affiliation(s)
- Ali Msheik
- Department of Neurological Surgery, Lebanese University, Faculty of Medical Sciences
| | - Youssef Fares
- Department of Neurological Surgery, Neuroscience Research Center, Faculty of Medical Sciences, Lebanese University, Lebanon
| | - Mohammad Mohanna
- Department of Oncology, Cleveland Clinic, Weston, Florida, United States
| | - Ahmad Aoude
- Department of Neurological Surgery, Al Rassoul Al-Azam Hospital
| | - Mohamad Shkeir
- Head of Radiology Department, Zahraa Hospital University Medical Center
| | - Feras Chehade
- Department of Nuclear Medicine Radiobiology Radiopathology, Faculty of Medical Sciences, Lebanese University
| | - Ali Kanj
- Radiology Department, Bahman Hospital, Faculty of Medicine, Lebanese University
| | - Assaad Mohanna
- Head of Department of Radiology, Faculty of Medicine, Lebanese University, Bahman Hospital, Centre Hospitalier Vallee de la Maurienne-France, Beirut, Lebanon
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3
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Lee SG, Whang K, Cho SM, Jang YG, Kim J, Choi J. Factors Associated With Subdural Hygroma Following Mild Traumatic Brain Injury. Korean J Neurotrauma 2022; 18:230-237. [PMCID: PMC9634298 DOI: 10.13004/kjnt.2022.18.e61] [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: 06/27/2022] [Revised: 09/19/2022] [Accepted: 09/26/2022] [Indexed: 11/16/2022] Open
Abstract
Objective Subdural hygroma (SDG) is a complication of traumatic brain injury (TBI). In particular, the outcome and outpatient treatment period may vary depending on the occurrence of SDG. However, the pathogenesis of SDG has not been fully elucidated. Therefore, this study aimed to identify the risk factors associated with the occurrence of SDG after mild TBI. Methods We retrospectively analyzed 250 patients with mild TBI admitted to a single institution between January 2021 and December 2021. The SDG occurrence and control groups were analyzed according to the risk factors of SDG, such as age, history, initial computed tomography (CT) findings, and initial laboratory findings. Results The overall occurrence rate of SDG was 31.6% (n=79). A statistically significant association was found between preoperative diagnoses and the occurrence of SDG, such as subarachnoid hemorrhage (odds ratio [OR], 2.36; 95% confidence interval [CI], 1.26–4.39) and basal skull fracture (OR, 0.32; 95% CI, 0.12–0.83). Additionally, age ≥70 years (OR, 3.20; 95% CI, 1.74–5.87) and the use of tranexamic acid (OR, 2.12; 95% CI, 1.05–4.54) were statistically significant factors. The prognostic evaluation of patients using the Glasgow Outcome Scale (GOS) did not show any statistical differences between patients with and without SDG. Conclusion SDG was not associated with the prognosis of patients assessed using the GOS. However, depending on the occurrence of SDG, differences in patient symptoms may occur after mild TBI. Therefore, the early evaluation of patients with mild TBI and determination of the probability of developing SDG are important.
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Affiliation(s)
- Sang-Geun Lee
- Department of Neurosurgery, Wonju Severance Christian Hospital, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Kum Whang
- Department of Neurosurgery, Wonju Severance Christian Hospital, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Sung Min Cho
- Department of Neurosurgery, Wonju Severance Christian Hospital, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Yeon Gyu Jang
- Department of Neurosurgery, Wonju Severance Christian Hospital, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Jongyeon Kim
- Department of Neurosurgery, Wonju Severance Christian Hospital, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Jongwook Choi
- Department of Neurosurgery, Wonju Severance Christian Hospital, Yonsei University Wonju College of Medicine, Wonju, Korea
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4
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Caré MM. Parenchymal Insults in Abuse—A Potential Key to Diagnosis. Diagnostics (Basel) 2022; 12:diagnostics12040955. [PMID: 35454003 PMCID: PMC9029348 DOI: 10.3390/diagnostics12040955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 03/30/2022] [Accepted: 04/08/2022] [Indexed: 02/01/2023] Open
Abstract
Subdural hemorrhage is a key imaging finding in cases of abusive head trauma and one that many radiologists and radiology trainees become familiar with during their years of training. Although it may prove to be a marker of trauma in a young child or infant that presents without a history of injury, the parenchymal insults in these young patients more often lead to the debilitating and sometimes devastating outcomes observed in this young population. It is important to recognize these patterns of parenchymal injuries and how they may differ from the imaging findings in other cases of traumatic injury in young children. In addition, these parenchymal insults may serve as another significant, distinguishing feature when making the medical diagnosis of abusive head injury while still considering alternative diagnoses, including accidental injury. Therefore, as radiologists, we must strive to look beyond the potential cranial injury or subdural hemorrhage for the sometimes more subtle but significant parenchymal insults in abuse.
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Affiliation(s)
- Marguerite M. Caré
- Department of Radiology and Medical Imaging, Cincinnati Children’s Hospital Medical Center, Cincinnati, OH 45229, USA;
- Department of Radiology and Medical Imaging, University of Cincinnati, Cincinnati, OH 45267, USA
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Binder H, Majdan M, Leitgeb J, Payr S, Breuer R, Hajdu S, Tiefenboeck TM. Management and Outcome of Traumatic Intracerebral Hemorrhage in 79 Infants and Children from a Single Level 1 Trauma Center. CHILDREN (BASEL, SWITZERLAND) 2021; 8:854. [PMID: 34682119 PMCID: PMC8534601 DOI: 10.3390/children8100854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Revised: 09/20/2021] [Accepted: 09/21/2021] [Indexed: 11/17/2022]
Abstract
OBJECTIVE Traumatic brain injury is a leading form of pediatric trauma and a frequent cause of mortality and acquired neurological impairment in children. The aim of this study was to present the severity and outcomes of traumatic intracerebral bleeding in children and adolescence. METHODS Seventy-nine infants and children with intracerebral bleedings were treated between 1992 and 2020 at a single level 1 trauma center. Data regarding accident, treatment and outcomes were collected retrospectively. The Glasgow Outcome Scale was used to classify the outcome at hospital discharge and at follow-up visits. CT scans of the brain were classified according to the Rotterdam score. RESULTS In total, 41 (52%) patients with intracerebral bleedings were treated surgically, and 38 (48%) patients were treated conservatively; in 15% of the included patients, delayed surgery was necessary. Patients presenting multiple trauma (p < 0.04), higher ISS (p < 0.01), poor initial neurological status (p < 0.001) and a higher Rotterdamscore (p = 0.038) were significantly more often treated surgically. Eighty-three percent of patients were able to leave the hospital, and out of these patients, about 60% showed good recovery at the latest follow-up visit. Overall, 11 patients (14%) died. CONCLUSION The findings in this study verified intracerebral bleeding as a rare but serious condition. Patients presenting with multiple traumas, higher initial ISS, poor initial neurological status and a higher Rotterdamscore were more likely treated by surgery. TRIAL REGISTRATION (researchregistry 2686).
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Affiliation(s)
- Harald Binder
- Department of Trauma Surgery, Medical University of Vienna, 1090 Vienna, Austria; (H.B.); (J.L.); (S.P.); (R.B.); (S.H.)
| | - Marek Majdan
- Institute for Global Health and Epidemiology, Department of Public Health, Trnava University, 91701 Trnava, Slovakia;
| | - Johannes Leitgeb
- Department of Trauma Surgery, Medical University of Vienna, 1090 Vienna, Austria; (H.B.); (J.L.); (S.P.); (R.B.); (S.H.)
- Institute for Global Health and Epidemiology, Department of Public Health, Trnava University, 91701 Trnava, Slovakia;
| | - Stephan Payr
- Department of Trauma Surgery, Medical University of Vienna, 1090 Vienna, Austria; (H.B.); (J.L.); (S.P.); (R.B.); (S.H.)
| | - Robert Breuer
- Department of Trauma Surgery, Medical University of Vienna, 1090 Vienna, Austria; (H.B.); (J.L.); (S.P.); (R.B.); (S.H.)
| | - Stefan Hajdu
- Department of Trauma Surgery, Medical University of Vienna, 1090 Vienna, Austria; (H.B.); (J.L.); (S.P.); (R.B.); (S.H.)
| | - Thomas M. Tiefenboeck
- Department of Trauma Surgery, Medical University of Vienna, 1090 Vienna, Austria; (H.B.); (J.L.); (S.P.); (R.B.); (S.H.)
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6
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Yumul JN, Crowe L, Catroppa C, Anderson V, McKinlay A. Post-concussive Signs and Symptoms in Preschool Children: A Systematic Review. Neuropsychol Rev 2021; 32:631-650. [PMID: 34390464 DOI: 10.1007/s11065-021-09518-z] [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: 09/04/2020] [Accepted: 05/20/2021] [Indexed: 11/30/2022]
Abstract
Mild traumatic brain injury (mTBI) is common in children aged < 5 years, however, less is known about their experience of post-concussive signs and symptoms. This systematic review aims to identify post-concussive signs and symptoms experienced by preschool children up to 12 months post-injury, and to review the methods used to report this data. Relevant findings, including rates, progression, and possible predictors of post-concussive signs and symptoms were also identified. Databases (Ovid MEDLINE, EMBASE, PsycInfo, PubMed, Scopus) and reference lists were searched for relevant articles, which were screened based on specified criteria. Eleven articles met the inclusion criteria, being original studies published in English and presenting data on post-concussive signs and symptoms specific to preschool children with mTBI. Most reviewed studies investigated acute presentations of mTBI, and identified that preschool children demonstrate post-concussive symptoms (PCS) similar to other age groups. Post-traumatic amnesia duration of approximately one day was reported in preschool children following mTBI, as were changes in mood and behavior during the recovery period. Parents were the main informants, with data obtained through either interview or questionnaire. Review findings highlight the lack of empirical data regarding the presentation and progression of PCS in preschoolers following mTBI and evidence on how to best manage this group during recovery.
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Affiliation(s)
- Joy Noelle Yumul
- Melbourne School of Psychological Sciences, University of Melbourne, Melbourne, Australia. .,Murdoch Children's Research Institute, Melbourne, Australia.
| | - Louise Crowe
- Melbourne School of Psychological Sciences, University of Melbourne, Melbourne, Australia.,Murdoch Children's Research Institute, Melbourne, Australia.,Royal Children's Hospital, Melbourne, Australia
| | - Cathy Catroppa
- Melbourne School of Psychological Sciences, University of Melbourne, Melbourne, Australia.,Murdoch Children's Research Institute, Melbourne, Australia.,Royal Children's Hospital, Melbourne, Australia.,Department of Paediatrics, University of Melbourne, Melbourne, Australia
| | - Vicki Anderson
- Melbourne School of Psychological Sciences, University of Melbourne, Melbourne, Australia.,Murdoch Children's Research Institute, Melbourne, Australia.,Royal Children's Hospital, Melbourne, Australia.,Department of Paediatrics, University of Melbourne, Melbourne, Australia
| | - Audrey McKinlay
- Melbourne School of Psychological Sciences, University of Melbourne, Melbourne, Australia.,Murdoch Children's Research Institute, Melbourne, Australia.,Department of Psychology, University of Canterbury, Christchurch, New Zealand
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Zwirner J, Anders S, Bohnert S, Burkhardt R, Da Broi U, Hammer N, Pohlers D, Tse R, Ondruschka B. Screening for Fatal Traumatic Brain Injuries in Cerebrospinal Fluid Using Blood-Validated CK and CK-MB Immunoassays. Biomolecules 2021; 11:1061. [PMID: 34356685 PMCID: PMC8301791 DOI: 10.3390/biom11071061] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 07/05/2021] [Accepted: 07/17/2021] [Indexed: 12/13/2022] Open
Abstract
A single, specific, sensitive biochemical biomarker that can reliably diagnose a traumatic brain injury (TBI) has not yet been found, but combining different biomarkers would be the most promising approach in clinical and postmortem settings. In addition, identifying new biomarkers and developing laboratory tests can be time-consuming and economically challenging. As such, it would be efficient to use established clinical diagnostic assays for postmortem biochemistry. In this study, postmortem cerebrospinal fluid samples from 45 lethal TBI cases and 47 controls were analyzed using commercially available blood-validated assays for creatine kinase (CK) activity and its heart-type isoenzyme (CK-MB). TBI cases with a survival time of up to two hours showed an increase in both CK and CK-MB with moderate (CK-MB: AUC = 0.788, p < 0.001) to high (CK: AUC = 0.811, p < 0.001) diagnostic accuracy. This reflected the excessive increase of the brain-type CK isoenzyme (CK-BB) following a TBI. The results provide evidence that CK immunoassays can be used as an adjunct quantitative test aid in diagnosing acute TBI-related fatalities.
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Affiliation(s)
- Johann Zwirner
- Department of Anatomy, University of Otago, Dunedin 9016, New Zealand
- Institute of Legal Medicine, University Medical Center Hamburg-Eppendorf, 22529 Hamburg, Germany;
- Institute of Legal Medicine, University of Leipzig, 04103 Leipzig, Germany
| | - Sven Anders
- Institute of Legal Medicine, University Medical Center Hamburg-Eppendorf, 22529 Hamburg, Germany;
| | - Simone Bohnert
- Institute of Forensic Medicine, University of Wuerzburg, 97078 Wuerzburg, Germany;
| | - Ralph Burkhardt
- Institute of Clinical Chemistry and Laboratory Medicine, University Hospital Regensburg, 93053 Regensburg, Germany;
| | - Ugo Da Broi
- Department of Medicine, Forensic Medicine, University of Udine, 33100 Udine, Italy;
| | - Niels Hammer
- Institute of Macroscopic and Clinical Anatomy, University of Graz, 8010 Graz, Austria;
- Department of Trauma, Orthopedic and Plastic Surgery, University Hospital of Leipzig, 04103 Leipzig, Germany
- Fraunhofer Institute for Machine Tools and Forming Technology, 09126 Dresden, Germany
| | - Dirk Pohlers
- Center of Diagnostics, Klinikum Chemnitz, 09116 Chemnitz, Germany;
| | - Rexson Tse
- Department of Forensic Pathology, LabPLUS, Auckland City Hospital, Auckland 1023, New Zealand;
| | - Benjamin Ondruschka
- Institute of Legal Medicine, University Medical Center Hamburg-Eppendorf, 22529 Hamburg, Germany;
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8
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Zuccoli G. Novel in vivo depiction of optic nerves hemorrhages in child abuse: a 3D-SWI pilot study. Neuroradiology 2021; 63:1113-1119. [PMID: 33471158 PMCID: PMC8213664 DOI: 10.1007/s00234-020-02622-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 12/08/2020] [Indexed: 12/04/2022]
Abstract
Purpose Until now, the diagnosis of optic nerves hemorrhages in abusive head trauma (AHT) has been obtained only in the postmortem setting. The aim of the IRB-approved study was to assess the presence of optic nerves hemorrhages in AHT patients using 3D-SWI. Methods Thirteen children with a final confirmed multidisciplinary diagnosis of AHT underwent coronal and axial 3D-SWI imaging of the orbits. The presence of optic nerve sheath (ONS) hemorrhages was defined by thickening and marked 3D-SWI hypointensity of the ONS, resulting in mass effect upon the CSF space. Optic nerve (ON) hemorrhages were defined by areas of susceptibility artifacts in the ON parenchyma. Superficial siderosis was defined by susceptibility artifact coating the ON. Furthermore, data about post-traumatic deformity of the ONS at the head of the optic nerve were collected. Results The average age of the population was 7.9 ± 5.9 months old. The average GCS was 11.8 ± 4.5. The male to female ratio was 7:6. ONS hemorrhages were identified in 69.2% of cases. Superficial siderosis and ON hemorrhages were identified in 38.5 and 76.9% of cases, respectively. 3D-SWI also depicted traumatic deformity of the ONS at the level of the optic nerve head in 10 cases (76.9%). No statistical correlations were identified between RetCam findings and 3D-SWI findings or GCS and ON hemorrhages. Conclusion This research shows that dedicated MRI with volumetric SWI of the orbits can depict hemorrhages in the ON, ONS, and ONS injury, in AHT victims.
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Affiliation(s)
- Giulio Zuccoli
- Consultant for the Program for the Study of Neurodevelopment in Rare Disorders (NDRD), University of Pittsburgh, Children Hospital of Pittsburgh, 4401 Penn Ave, Pittsburgh, PA, 15224, USA.
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9
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Undetected traumatic diastasis of cranial sutures: a case of child abuse. Forensic Sci Int 2019; 298:307-311. [PMID: 30925349 DOI: 10.1016/j.forsciint.2019.03.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2018] [Revised: 12/16/2018] [Accepted: 03/07/2019] [Indexed: 11/22/2022]
Abstract
Traumatic diastasis of cranial sutures is a type of bone fracture more common in children than in adults, but little attention has been paid to this skull damage. Differentiation between inflicted and accidental traumatic head injury is still a challenge in forensic pathology, particularly in pediatric population. In fact, diastasis of cranial sutures may occur with or without other skull fractures and may be the only evidence of an abusive head trauma (AHT). This is a case study dealing with undetected traumatic diastasis of cranial sutures in child abuse. The skeletonized juvenile remains were found inside a suitcase. A diastasis of the coronal and sagittal sutures was the only finding recorded at the autopsy with no other relevant bone defects. The diastasis was originally attributed by the medical examiner to a physiological unfused stage of the calvarial bones. Therefore, the cause of death was undetermined. Twelve years later an anthropological revision of the cold case showed that diastasis of the coronal and sagittal sutures was assessed as the evidence of an AHT. Analysis of skull fractures in child abuse can be challenging as normal skull suture variants mimicking intentional injury are reported. Diastasis of the cranial sutures can be also a post-mortem effect of burning or freezing. Therefore, a differential diagnosis between natural, accidental or inflicted skull defects is mandatory in death investigation. A multidisciplinary approach in such circumstances is strongly recommended in order to reduce the risk of misdiagnosis.
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10
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Orde MM. Non-Traumatic Acute Subdural Hemorrhage Due To Cranial Venous Hypertension. Acad Forensic Pathol 2019; 9:33-43. [PMID: 34394789 PMCID: PMC8351045 DOI: 10.1177/1925362119851114] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Accepted: 11/24/2018] [Indexed: 11/17/2022]
Abstract
Acute subdural hemorrhage is typically associated with a history of head trauma, and as such it is a finding with significant potential medicolegal consequences. In this article, 37 adult and post-infantile pediatric sudden death autopsy cases with small volume ("thin film" or "smear") acute subdural hemorrhage are presented-in which there is either no further evidence of head trauma or only features of minor head injury. The possible underlying pathophysiological mechanisms are explored, and it is concluded that a common thread in many of these cases is likely to have been cranial venous hypertension at around the time of death. These findings may have implications in instances where small volume subdural hemorrhage is identified in the absence of other evidence of significant head injury.
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Affiliation(s)
- Matthew M. Orde
- Matthew M. Orde MBChB FRCPath FRCPA, 855 West 12th Avenue, Vancouver BC,
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11
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Wittschieber D, Karger B, Pfeiffer H, Hahnemann ML. Understanding Subdural Collections in Pediatric Abusive Head Trauma. AJNR Am J Neuroradiol 2018; 40:388-395. [PMID: 30523144 DOI: 10.3174/ajnr.a5855] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Accepted: 08/16/2018] [Indexed: 11/07/2022]
Abstract
Life-threatening physical abuse of infants and toddlers is frequently correlated with head injuries. A common variant of the abusive head trauma is the shaken baby syndrome. The present review article sheds light on subdural collections in children with abusive head trauma and aims at providing a recent knowledge base for various medical disciplines involved in diagnostic procedures and legal proceedings. To this end, the different subdural collection entities are presented and illustrated. The pathophysiologic background is explained. Differential and age-diagnostic aspects are discussed and summarized by tabular and graphic overviews. Two problematic constellations frequently occurring during initial CT investigations are evaluated: A mixed-density subdural collection does not prove repeated trauma, and hypodense subdural collections are not synonymous with chronicity. The neuroradiologic analysis and assessment of subdural collections may decisively contribute to answering differential diagnostic and forensic questions. In addition to more reference data, a harmonization of terminology and methodology is urgently needed, especially with respect to age-diagnostic aspects.
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Affiliation(s)
- D Wittschieber
- From the Institute of Legal Medicine (D.W., B.K., H.P.), University Hospital Münster, Münster, Germany .,Institute of Legal Medicine (D.W.), Friedrich Schiller University Jena, Jena, Germany
| | - B Karger
- From the Institute of Legal Medicine (D.W., B.K., H.P.), University Hospital Münster, Münster, Germany
| | - H Pfeiffer
- From the Institute of Legal Medicine (D.W., B.K., H.P.), University Hospital Münster, Münster, Germany
| | - M L Hahnemann
- Institute of Diagnostic and Interventional Radiology and Neuroradiology (M.L.H.), University Hospital Essen, Essen, Germany.,Department of Neuroradiological Diagnostics and Intervention (M.L.H.), Medical Centre Hamburg-Eppendorf, Hamburg, Germany
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12
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Ronning MM, Carolan PL, Cutler GJ, Patterson RJ. Parasagittal vertex clots on head CT in infants with subdural hemorrhage as a predictor for abusive head trauma. Pediatr Radiol 2018; 48:1915-1923. [PMID: 30187091 DOI: 10.1007/s00247-018-4237-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2018] [Revised: 07/17/2018] [Accepted: 08/10/2018] [Indexed: 12/26/2022]
Abstract
BACKGROUND Abusive head trauma (AHT) is the most common cause of subdural hemorrhage (SDH) in infants younger than 12 months old. Clot formation in the parasagittal vertex seen on imaging has been associated with SDH due to AHT. There have been very few studies regarding these findings; to our knowledge, no studies including controls have been performed. OBJECTIVE To describe parasagittal vertex clots on head computed tomography (CT) in infants with SDH and AHT compared to patients with SDH and accidental trauma, and to evaluate for parasagittal vertex clots in the absence of SDH in the setting of known accidental head trauma. MATERIALS AND METHODS All infants younger than 12 months old with SDH present on CT scan were retrospectively identified from 2004 to 2014. Blinded, independent review of all CT scans for clot formation at the parasagittal vertex was performed by a pediatric neuroradiologist. RESULTS Ninety-nine patients were eligible for analysis. Mean age was 4 months. Fifty-seven (57.6%) were male. Fifty-five (55.6%) patients were identified as having AHT and 22 (22.2%) had accidental trauma. Forty-five (81.2%) patients with AHT had parasagittal vertex clots present on CT scan compared to 8 (36.4%) patients with accidental trauma. Compared to patients without parasagittal vertex clots, those with parasagittal vertex clots were more likely to have AHT (66.2% vs. 32.3%, P=0.001), no known mechanism of injury (69.1% vs. 32.3%, P=0.015), retinal hemorrhage (75% vs. 35.5%, P=0.002) and hypoxic-ischemic changes (25% vs. 0%, P=0.002). Patients with parasagittal vertex clots have eight times the odds of AHT compared to patients without parasagittal vertex clots. Age-matched control patients who underwent head CT scan due to a history of accidental head injury without SDH were identified (n=87); no patient in the control group had parasagittal vertex clots. CONCLUSION The finding of parasagittal vertex clots on CT scans should raise suspicion for abuse and prompt further investigation, especially in the setting of no known, uncertain or inconsistent mechanism of injury.
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Affiliation(s)
- Meghann M Ronning
- Department of Emergency Medicine, Children's Hospital and Clinics of Minnesota, 2525 Chicago Ave., Minneapolis, MN, 55404, USA.
| | - Patrick L Carolan
- Department of Emergency Medicine, Children's Hospital and Clinics of Minnesota, 2525 Chicago Ave., Minneapolis, MN, 55404, USA
| | - Gretchen J Cutler
- Center for Acute Care Outcomes, Children's Hospital and Clinics of Minnesota, Minneapolis, MN, USA
| | - Richard J Patterson
- Department of Radiology, Children's Hospital and Clinics of Minnesota, Minneapolis, MN, USA
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14
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Abstract
Abusive head trauma is an important cause of morbidity and mortality in infants and young children. Retinal hemorrhages (RHs) are frequently seen, particularly during dilated eye examination of these children. This review focuses on the evaluation of children with RH, with emphasis on the differential diagnosis, pathophysiology, and distinguishing features of RHs due to abusive head trauma. Many causes exist for RHs in infants and children. Most medical and accidental traumatic causes result in a pattern of RH that is nonspecific and not typical of the pattern and distribution of RHs seen in children with abusive head trauma. In children with intracranial hemorrhage and concerns for abuse, the finding of severe, multilayered RHs extending to the periphery of the retina is very specific for abuse as the cause of the findings, especially if retinoschisis is present. There are few other accidental traumatic mechanisms associated with retinoschisis, and the history of such a traumatic event is readily apparent. The indications for ophthalmologic consult, optimal timing of the eye examination, and significance of the findings are specifically discussed.
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15
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Luyet FM, Feldman KW, Knox BL. The Big Black Brain: Subdural Hemorrhage with Hemispheric Swelling and Low Attenuation. JOURNAL OF CHILD & ADOLESCENT TRAUMA 2018; 11:241-247. [PMID: 32318153 PMCID: PMC7163906 DOI: 10.1007/s40653-017-0132-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The term "Big Black Brain" was first coined in 1993 to describe cases of abusive head trauma associated with subdural hematoma(s), brain swelling, and uni- or bilateral hypo-density involving the entire supratentorial compartment on CT scan imaging. This constellation of findings was invariably followed by extensive cerebral parenchymal destruction and a dismal neurological outcome or death. We describe two such cases and review the pathophysiology and differential diagnosis of this entity.
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Affiliation(s)
- Francois M. Luyet
- Department of Pediatrics, University of Wisconsin American Family Children’s Hospital, 600 Highland Ave, H4/428 Clinical Science Center, Madison, WI 53792-4108 USA
| | - Kenneth W. Feldman
- Department of Pediatrics, University of Washington School of Medicine, Seattle, WA USA
| | - Barbara L. Knox
- Department of Pediatrics, University of Wisconsin American Family Children’s Hospital, 600 Highland Ave, H4/428 Clinical Science Center, Madison, WI 53792-4108 USA
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Snyder VS, Hansen LA. A Conceptual Overview of Axonopathy in Infants and Children with Allegedly Inflicted Head Trauma. Acad Forensic Pathol 2016; 6:608-621. [PMID: 31239934 DOI: 10.23907/2016.058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Revised: 10/14/2016] [Accepted: 11/12/2016] [Indexed: 11/12/2022]
Abstract
Fatal, allegedly inflicted pediatric head trauma remains a controversial topic in forensic pathology. Recommendations for systematic neuropathologic evaluation of the brains of supposedly injured infants and children usually include the assessment of long white matter tracts in search of axonopathy - specifically, diffuse axonal injury. The ability to recognize, document, and interpret injuries to axons has significant academic and medicolegal implications. For example, more than two decades of inconsistent nosology have resulted in confusion about the definition of diffuse axonal injury between various medical disciplines including radiology, neurosurgery, pediatrics, neuropathology, and forensic pathology. Furthermore, in the pediatric setting, acceptance that "pure" shaking can cause axonal shearing in infants and young children is not widespread. Additionally, controversy abounds whether or not axonal trauma can be identified within regions of white matter ischemia - a debate with very significant implications. Immunohistochemistry is often used not only to document axonal injury, but also to estimate the time since injury. As a result, the estimated post-injury interval may then be used by law enforcement officers and prosecutors to narrow "exclusive opportunity" and thus, identify potential suspects. Fundamental to these highly complicated and controversial topics is a philosophical understanding of the diffuse axonal injury spectrum disorders.
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Leeuw MD, Beuls E, Jorens PG, Parizel P, Jacobs W. The optic nerve sheath hemorrhage is a non-specific finding in cases of suspected child abuse. J Forensic Leg Med 2015; 36:43-8. [PMID: 26386200 DOI: 10.1016/j.jflm.2015.08.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2014] [Revised: 05/12/2015] [Accepted: 08/24/2015] [Indexed: 11/27/2022]
Abstract
In young infants, the triad consisting of acute encephalopathy, retinal hemorrhages, and a subdural hematoma is a nonspecific finding. It has traumatic and non-traumatic etiologies. The triad may be found among a vast spectrum of natural diseases. Optic nerve sheath hemorrhage in infants is typically detected at autopsy. It is a nonspecific finding that can be found in traumatic and non-traumatic etiologies. Neither the triad nor the ONSH are pathognomonic for an abusive head injury. Opposite to the triad, the spectrum of non-traumatic etiologies of ONSH is limited. In infants ONSH rarely occurs in spontaneous subarachnoidal hemorrhage or in infectious conditions. Our results show that the clinical significance of the optic nerve sheath hemorrhage in the forensic work-up of fatal cases of alleged abusive head injury is its limited differential diagnosis. Only after careful differential diagnosis ONSH may contribute to the diagnosis of AHT. However, the main limitation of our study is the sampling bias, as the eyes are usually removed when abusive head trauma is suspected.
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Affiliation(s)
- Marc De Leeuw
- Department of Forensic Medicine and Pathology, Antwerp University Hospital, University of Antwerp, Wilrijkstraat 10, B-2650 Edegem, Belgium; Community Hospital Aalst, Merestraat 80, B-9300 Aalst, Belgium; Decanaat University of Gent, De pintelaan, 185, 9000 Gent, Belgium
| | - Emile Beuls
- Department of Forensic Medicine and Pathology, Antwerp University Hospital, University of Antwerp, Wilrijkstraat 10, B-2650 Edegem, Belgium.
| | - Philippe G Jorens
- Department of Intensive Care Medicine, Antwerp University Hospital, University of Antwerp Wilrijkstraat 10, B-2650 Edegem, Belgium
| | - Paul Parizel
- Department of Radiology, Antwerp University Hospital, University of Antwerp, Wilrijkstraat 10, B-2650 Edegem, Belgium
| | - Werner Jacobs
- Department of Forensic Medicine and Pathology, Antwerp University Hospital, University of Antwerp, Wilrijkstraat 10, B-2650 Edegem, Belgium
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Chan V, Mann RE, Pole JD, Colantonio A. Children and youth with 'unspecified injury to the head': implications for traumatic brain injury research and surveillance. Emerg Themes Epidemiol 2015; 12:9. [PMID: 26113870 PMCID: PMC4480889 DOI: 10.1186/s12982-015-0031-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2014] [Accepted: 06/15/2015] [Indexed: 11/10/2022] Open
Abstract
Background The case definition for traumatic brain injury (TBI) often includes ‘unspecified injury to the head’ diagnostic codes. However, research has shown that the inclusion of these codes leads to false positives. As such, it is important to determine the degree to which inclusion of these codes affect the overall numbers and profiles of the TBI population. The objective of this paper was to profile and compare the demographic and clinical characteristics, intention and mechanism of injury, and discharge disposition of hospitalized children and youth aged 19 years and under using (1) an inclusive TBI case definition that included ‘unspecified injury to the head’ diagnostic codes, (2) a restricted TBI case definition that excluded ‘unspecified injury to the head ‘diagnostic codes, and (3) the ‘unspecified injury to the head’ only case definition. Methods The National Ambulatory Care Reporting System and the Discharge Abstract Database from Ontario, Canada, were used to identify cases between fiscal years 2003/04 and 2009/10. Results The rate of TBI episodes of care using the inclusive case definition for TBI (2,667.2 per 100,000) was 1.65 times higher than that of the restricted case definition (1,613.3 per 100,000). ‘Unspecified injury to the head’ diagnostic codes made up of 39.5 % of all cases identified with the inclusive case definition. Exclusion of ‘unspecified injury to the head’ diagnostic code in the TBI case definition resulted in a significantly higher proportion of patients in the intensive care units (p < .0001; 18.5 % vs. 22.2 %) and discharged to a non-home setting (p < .0001; 9.9 % vs. 11.6 %). Conclusion Inclusion of ‘unspecified injury to the head’ diagnostic codes resulted in significant changes in numbers, healthcare use, and causes of TBI. Careful consideration of the inclusion of ‘unspecified injury to the head’ diagnostic codes in the case definition of TBI for the children and youth population is important, as it has implications for the numbers used for policy, resource allocation, prevention, and planning of healthcare services. This paper can inform future work on reaching consensus on the diagnostic codes for defining TBI in children and youth.
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Affiliation(s)
- Vincy Chan
- Toronto Rehabilitation Institute, University Health Network, Toronto, ON Canada ; Rehabilitation Sciences Institute, University of Toronto, Toronto, ON Canada ; Pediatric Oncology Group of Ontario, Toronto, ON Canada
| | - Robert E Mann
- Centre for Addiction and Mental Health, Toronto, ON Canada ; Dalla Lana School of Public Health, University of Toronto, Toronto, ON Canada
| | - Jason D Pole
- Pediatric Oncology Group of Ontario, Toronto, ON Canada ; Dalla Lana School of Public Health, University of Toronto, Toronto, ON Canada
| | - Angela Colantonio
- Toronto Rehabilitation Institute, University Health Network, Toronto, ON Canada ; Rehabilitation Sciences Institute, University of Toronto, Toronto, ON Canada ; Dalla Lana School of Public Health, University of Toronto, Toronto, ON Canada
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Abstract
Shaken Baby Syndrome occurs in infants as a result of the brain pushing against the skull due to severe acceleration-deceleration forces. Symptoms of Shaken Baby Syndrome include subdural, subarachnoid, and retinal hemorrhages. MRI and ocular examinations are used to determine the extent of mental and visual damage and β-amyloid precursor protein immunohistochemical staining is used to detect axonal injuries. Surgeries such as Subdural hemorrhage (SDH) evacuation surgery and the Burr hole craniotomy are used to treat Shaken Baby Syndrome; however, the prognosis is poor in many cases. Because of the severity of Shaken Baby Syndrome and its traumatic and sometimes fatal effects, it is important to educate new parents, nurses, and doctors on the syndrome in order to prevent incidents.
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Affiliation(s)
- Maha Mian
- 1SUNY Stony Brook, Physiology and Biophysics, Stony Brook , New York , USA
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Nishimoto H. Recent progress and future issues in the management of abusive head trauma. Neurol Med Chir (Tokyo) 2015; 55:296-304. [PMID: 25797781 PMCID: PMC4628176 DOI: 10.2176/nmc.ra.2014-0349] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022] Open
Abstract
Head trauma is the leading cause of death in child abuse cases and one of the important issues in the care of abused children. Since the Child Abuse Prevention Law was enforced in 2000 in Japan, various measures have been taken to prevent child abuse over the following decade. Accordingly, medical research on abusive head trauma (AHT) has advanced, leading to significant progress in the medical diagnosis of AHT. This progress has been brought about by (1) the widespread establishment of child protection teams (CPTs) at core hospitals, (2) the progress in neuroradiological imaging and ophthalmoscopic technologies, and (3) the introduction of postmortem imaging. However, the pathological condition of patients with AHT, particularly that of the diffuse brain swelling type, still remains poorly understood. As a result, no clear treatment strategies for AHT have been developed and no treatment outcomes have been improved to date. The development of new treatment strategies for AHT and the construction of a comprehensive database that supports clinical studies are required in the future.
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Affiliation(s)
- Hiroshi Nishimoto
- Department of Neurosurgery, Saitama Children's Medical Center, Iwatsuki, 2. Department of Neurosurgery, Kasukabe Municipital Hospital, Kasukabe, Saitama, Japan
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Wittschieber D, Karger B, Niederstadt T, Pfeiffer H, Hahnemann ML. Subdural hygromas in abusive head trauma: pathogenesis, diagnosis, and forensic implications. AJNR Am J Neuroradiol 2015; 36:432-9. [PMID: 24948499 PMCID: PMC8013070 DOI: 10.3174/ajnr.a3989] [Citation(s) in RCA: 48] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Are subdural hygromas the result of abusive head trauma? CT and MR imaging represent important tools for the diagnosis of abusive head trauma in living infants. In addition, in-depth understanding of the pathogenesis of subdural hygromas is increasingly required by neuroradiologists, pediatricians, and forensic physicians. Therefore, the current knowledge on subdural hygromas is summarized and forensic conclusions are drawn. The most important diagnostic pitfalls, benign enlargement of the subarachnoid space, and chronic subdural hematoma, are discussed in detail. Illustrative cases from forensic practice are presented. Literature analysis indicates that subdural hygromas can occur immediately or be delayed. If other infrequent reasons can be excluded, the presence of subdural hygromas strongly suggests a posttraumatic state and should prompt the physician to search for other signs of abuse. To differentiate subdural hygromas from other pathologies, additional MR imaging of the infant's head is indispensable after initial CT scan.
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Affiliation(s)
- D Wittschieber
- From the Departments of Forensic Medicine (D.W., B.K., H.P.)
| | - B Karger
- From the Departments of Forensic Medicine (D.W., B.K., H.P.)
| | - T Niederstadt
- Clinical Radiology (T.N.), University Hospital Münster, Münster, Germany
| | - H Pfeiffer
- From the Departments of Forensic Medicine (D.W., B.K., H.P.)
| | - M L Hahnemann
- Department of Diagnostic and Interventional Radiology and Neuroradiology (M.L.H.), University Hospital Essen, Essen, Germany
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Chan V, Thurairajah P, Colantonio A. Defining pediatric traumatic brain injury using International Classification of Diseases Version 10 Codes: a systematic review. BMC Neurol 2015; 15:7. [PMID: 25648197 PMCID: PMC4335539 DOI: 10.1186/s12883-015-0259-7] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Accepted: 01/07/2015] [Indexed: 12/04/2022] Open
Abstract
BACKGROUND Although healthcare administrative data are commonly used for traumatic brain injury (TBI) research, there is currently no consensus or consistency on the International Classification of Diseases Version 10 (ICD-10) codes used to define TBI among children and youth internationally. This study systematically reviewed the literature to explore the range of ICD-10 codes that are used to define TBI in this population. The identification of the range of ICD-10 codes to define this population in administrative data is crucial, as it has implications for policy, resource allocation, planning of healthcare services, and prevention strategies. METHODS The databases MEDLINE, MEDLINE In-Process, Embase, PsychINFO, CINAHL, SPORTDiscus, and Cochrane Database of Systematic Reviews were systematically searched. Grey literature was searched using Grey Matters and Google. Reference lists of included articles were also searched for relevant studies. Two reviewers independently screened all titles and abstracts using pre-defined inclusion and exclusion criteria. A full text screen was conducted on articles that met the first screen inclusion criteria. All full text articles that met the pre-defined inclusion criteria were included for analysis in this systematic review. RESULTS A total of 1,326 publications were identified through the predetermined search strategy and 32 articles/reports met all eligibility criteria for inclusion in this review. Five articles specifically examined children and youth aged 19 years or under with TBI. ICD-10 case definitions ranged from the broad injuries to the head codes (ICD-10 S00 to S09) to concussion only (S06.0). There was overwhelming consensus on the inclusion of ICD-10 code S06, intracranial injury, while codes S00 (superficial injury of the head), S03 (dislocation, sprain, and strain of joints and ligaments of head), and S05 (injury of eye and orbit) were only used by articles that examined head injury, none of which specifically examined children and youth. CONCLUSION This review provides evidence for discussion on how best to use ICD codes for different goals. This is an important first step in reaching an appropriate definition and can inform future work on reaching consensus on the ICD-10 codes to define TBI for this vulnerable population.
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Affiliation(s)
- Vincy Chan
- Toronto Rehabilitation Institute, University Health Network, 550 University Avenue, Toronto, ON, M5G 2A2, Canada.
- Rehabilitation Sciences Institute, University of Toronto, 500 University Avenue, Toronto, ON, M5G 1V7, Canada.
- Acquired Brain Injury Research Lab, University of Toronto, 500 University Avenue, Toronto, ON, M5G 1V7, Canada.
| | - Pravheen Thurairajah
- Acquired Brain Injury Research Lab, University of Toronto, 500 University Avenue, Toronto, ON, M5G 1V7, Canada.
| | - Angela Colantonio
- Toronto Rehabilitation Institute, University Health Network, 550 University Avenue, Toronto, ON, M5G 2A2, Canada.
- Rehabilitation Sciences Institute, University of Toronto, 500 University Avenue, Toronto, ON, M5G 1V7, Canada.
- Acquired Brain Injury Research Lab, University of Toronto, 500 University Avenue, Toronto, ON, M5G 1V7, Canada.
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Distinguishing accidental from inflicted head trauma at autopsy. Pediatr Radiol 2014; 44 Suppl 4:S632-40. [PMID: 25501735 DOI: 10.1007/s00247-014-3061-6] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/08/2014] [Accepted: 05/15/2014] [Indexed: 10/24/2022]
Abstract
This article will discuss accidental and inflicted head injuries in infants and young children and how forensic pathologists distinguish between these types of injuries. The article begins with a consideration of the special and unique features of the anatomy and development of the child's head and neck and then relates these features to the mechanisms of traumatic brain injury and how these unique features influence the mechanisms of injury. The article very specifically notes that accidental head injuries in young children that occur in and around the home are focal head injuries in distinction to inflicted head injuries, which are diffuse brain injuries. The article discusses the mechanisms by which traumatic brain injury causes loss of consciousness and relates those mechanisms to the differences in the clinical features that occur in both accidental and inflicted head injury. The article discusses and illustrates the pathological findings in accidental head injuries consisting of the crushing head injuries and the head injuries sustained in short falls including epidural hemorrhage and focal subdural hemorrhage. The article discusses and illustrates the pathological findings that occur in inflicted head trauma, including subdural and subarachnoid hemorrhages and retinal and optic nerve sheath hemorrhages.
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Imagawa KK, Hamilton A, Ceschin R, Tokar E, Pham P, Bluml S, Wisnowski J, Panigrahy A. Characterization of microstructural injury: a novel approach in infant abusive head trauma-initial experience. J Neurotrauma 2014; 31:1632-8. [PMID: 24831582 DOI: 10.1089/neu.2013.3228] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abusive head trauma (AHT) is the leading cause of morbidity and mortality among abused children, yet the neuroanatomical underpinnings of AHT outcome is incompletely understood. The aim of this study was to characterize white matter (WM) abnormalities in infants with AHT using diffusion tensor imaging (DTI) and determine which microstructural abnormalities are associated with poor outcome. Retrospective DTI data from 17 infants (>3 months) with a diagnosis of AHT and a comparison cohort of 34 term infants of similar post-conceptual age (PCA) were compared using a voxel-based DTI analysis of cerebral WM. AHT cases were dichotomously classified into mild/moderate versus severe outcome. Clinical variables and conventional imaging findings were also analyzed in relation to outcome. Outcomes were classified in accordance with the Pediatric Cerebral Performance Category Score (PCPCS). Reduced axial diffusivity (AD) was shown in widespread WM regions in the AHT infants compared with controls as well as in the AHT severe outcome group compared with the AHT mild/moderate outcome group. Reduced mean diffusivity (MD) was also associated with severe outcome. Radial diffusivity (RD), conventional magnetic resonance findings, brain metric measurements, and clinical/laboratory variables (with the exception of Glascow Coma Scale) did not differ among AHT outcome groups. Findings support the unique role of DTI techniques, beyond conventional imaging, in the evaluation of microstructural WM injury of AHT. Reduced AD (likely reflecting axonal damage) and MD were associated with poor clinical outcome. DTI abnormalities may uniquely reflect AHT patterns of axonal injury that are not characterized by conventional imaging, which may have both therapeutic and prognostic implications.
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Affiliation(s)
- Karen Kay Imagawa
- 1 Department of Pediatrics, Children's Hospital Los Angeles , Los Angeles, California
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25
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History of an abusive head trauma including a lucid interval and a retinal hemorrhage is most likely false. Am J Forensic Med Pathol 2014; 34:271-6. [PMID: 23896724 DOI: 10.1097/paf.0b013e3182a0a454] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
A lucid interval (LI) is the period of time between regaining consciousness after a short period of unconsciousness, resulting from a head injury and deteriorating after the onset of neurologic signs and symptoms caused by that injury. The incentive for this study was the case of a father who left his 14-week-old infant with the nanny in whose custody the infant had collapsed. The nanny denied involvement in the injury, and the father became a suspect. Of 47 abusive head trauma (AHT) cases, 8 were found to have an LI in the past. The history of the cases were thoroughly analyzed and compared with evidence in the literature. An LI is not compatible with an inertial brain injury. Shaking has either an immediate effect or no effect, which means that an LI occurs only in pure impact or blunt injuries. When "shaking lesions" are found including a retinal hemorrhage while the history mentions an LI, the story most likely is false, regardless of whether the perpetrator confesses. The finding of an LI may change the assessment of an AHT case. Lucid interval is a valuable variable in the diagnostic accuracy of an AHT.
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Abstract
Traumatic brain injury (TBI) is the leading cause of death and disability in children over 1 year of age. Knowledge about the age-specific types of injury and how to manage children with neurotrauma is essential to understanding and recognizing the extent and degree of injury and to optimize outcomes. In this article, we review the epidemiology, pathophysiology, and clinical management of pediatric neurotrauma.
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Affiliation(s)
- Nithya Kannan
- Department of Anesthesiology, University of Washington, USA
- Harborview Injury Prevention and Research Center, Seattle, WA, USA
| | - Ramesh Ramaiah
- Department of Anesthesiology, University of Washington, USA
| | - Monica S. Vavilala
- Department of Anesthesiology, University of Washington, USA
- Department of Pediatrics, University of Washington, USA
- Department of Neurological Surgery, University of Washington, USA
- Harborview Injury Prevention and Research Center, Seattle, WA, USA
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Case M. “Shaken baby syndrome” and forensic pathology. Forensic Sci Med Pathol 2014; 10:246-7. [DOI: 10.1007/s12024-014-9532-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/08/2014] [Indexed: 11/29/2022]
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Chan V, Thurairajah P, Colantonio A. Defining traumatic brain injury in children and youth using international classification of diseases version 10 codes: a systematic review protocol. Syst Rev 2013; 2:102. [PMID: 24219843 PMCID: PMC3833640 DOI: 10.1186/2046-4053-2-102] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2013] [Accepted: 10/30/2013] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND Although healthcare administrative data are commonly used for traumatic brain injury research, there is currently no consensus or consistency on using the International Classification of Diseases version 10 codes to define traumatic brain injury among children and youth. This protocol is for a systematic review of the literature to explore the range of International Classification of Diseases version 10 codes that are used to define traumatic brain injury in this population. METHODS/DESIGN The databases MEDLINE, MEDLINE In-Process, Embase, PsychINFO, CINAHL, SPORTDiscus, and Cochrane Database of Systematic Reviews will be systematically searched. Grey literature will be searched using Grey Matters and Google. Reference lists of included articles will also be searched. Articles will be screened using predefined inclusion and exclusion criteria and all full-text articles that meet the predefined inclusion criteria will be included for analysis. The study selection process and reasons for exclusion at the full-text level will be presented using a PRISMA study flow diagram. Information on the data source of included studies, year and location of study, age of study population, range of incidence, and study purpose will be abstracted into a separate table and synthesized for analysis. All International Classification of Diseases version 10 codes will be listed in tables and the codes that are used to define concussion, acquired traumatic brain injury, head injury, or head trauma will be identified. DISCUSSION The identification of the optimal International Classification of Diseases version 10 codes to define this population in administrative data is crucial, as it has implications for policy, resource allocation, planning of healthcare services, and prevention strategies. It also allows for comparisons across countries and studies. This protocol is for a review that identifies the range and most common diagnoses used to conduct surveillance for traumatic brain injury in children and youth. This is an important first step in reaching an appropriate definition using International Classification of Diseases version 10 codes and can inform future work on reaching consensus on the codes to define traumatic brain injury for this vulnerable population.
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Affiliation(s)
- Vincy Chan
- Toronto Rehabilitation Institute, University Health Network, 550 University Avenue, Toronto M5G 2A2, ON, Canada
- University of Toronto, 160-500 University Avenue, Toronto M5G 1V7, ON, Canada
| | | | - Angela Colantonio
- Toronto Rehabilitation Institute, University Health Network, 550 University Avenue, Toronto M5G 2A2, ON, Canada
- University of Toronto, 160-500 University Avenue, Toronto M5G 1V7, ON, Canada
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30
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Holmgren BK. Ethical Issues in Forensic Testimony Involving Abusive Head Trauma. Acad Forensic Pathol 2013. [DOI: 10.23907/2013.042] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Medical examiners provide critical diagnostic and testimonial information in abusive head trauma cases. Courtroom challenges to these diagnostic criteria and contested expert testimony have raised concerns about ethical and professional conduct of practitioners. Legal evidentiary standards for expert testimony, ethical guidelines established by medical organizations, and proposed standards for ethical practice provide a background for examination of several common challenges and testimonial claims in these cases.
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Abstract
OBJECTIVE The objectives of this study were to provide population-based incidence estimate of abusive head trauma (AHT) in children aged 0 to 5 years from inpatient and emergency department (ED) and identify risk characteristics for recognizing high-risk children to improve public health surveillance. METHODS This was a retrospective cohort study based on children's first encounter in ED or hospital admission with a diagnosis of head trauma (HT), 2000-2010. The relationship between clinical markers and AHT was examined controlling for covariables in the model using Cox hazards regression. Kaplan-Meier incidence probability was plotted, and the number of weeks elapsing from date of birth to the first encounter with HT established the survival time (T). RESULTS Twenty-six thousand six hundred eighty-one children had HT, 502 (1.8%) resulted from abuse; 42.4% was captured from ED. Incidence varied from 28.9 (95% confidence interval [CI], 27.9-37.4) in infants to 4.1 (95% CI, 2.4-5.7) in 5-year-olds per 100,000 per year. Adjusted hazard ratio was 20.3 (95% CI, 10.9-38.0) for intracranial bleeding and 11.4 (95% CI, 8.57-15.21) for retinal hemorrhage. CONCLUSIONS Incidence estimates of AHT are incomplete without including ED. Intracranial bleeding is a cardinal feature of AHT to be considered in case ascertainment to improve public health surveillance.
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Bowyer JF, Thomas M, Patterson TA, George NI, Runnells JA, Levi MS. A visual description of the dissection of the cerebral surface vasculature and associated meninges and the choroid plexus from rat brain. J Vis Exp 2012. [PMID: 23183685 PMCID: PMC3523424 DOI: 10.3791/4285] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
This video presentation was created to show a method of harvesting the two most important highly vascular structures, not residing within the brain proper, that support forebrain function. They are the cerebral surface (superficial) vasculature along with associated meninges (MAV) and the choroid plexus which are necessary for cerebral blood flow and cerebrospinal fluid (CSF) homeostasis. The tissue harvested is suitable for biochemical and physiological analysis, and the MAV has been shown to be sensitive to damage produced by amphetamine and hyperthermia. As well, the major and minor cerebral vasculatures harvested in MAV are of potentially high interest when investigating concussive types of head trauma. The MAV dissected in this presentation consists of the pial and some of the arachnoid membrane (less dura) of the meninges and the major and minor cerebral surface vasculature. The choroid plexus dissected is the structure that resides in the lateral ventricles as described by Oldfield and McKinley. The methods used for harvesting these two tissues also facilitate the harvesting of regional cortical tissue devoid of meninges and larger cerebral surface vasculature, and is compatible with harvesting other brain tissues such as striatum, hypothalamus, hippocampus, etc. The dissection of the two tissues takes from 5 to 10 min total. The gene expression levels for the dissected MAV and choroid plexus, as shown and described in this presentation can be found at GSE23093 (MAV) and GSE29733 (choroid plexus) at the NCBI GEO repository. This data has been, and is being, used to help further understand the functioning of the MAV and choroid plexus and how neurotoxic events such as severe hyperthermia and AMPH adversely affect their function.
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Affiliation(s)
- John F Bowyer
- Division of Neurotoxicology, National Center for Toxicological Research.
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Abstract
Pediatric neurocritical care is an emerging multidisciplinary field of medicine and a new frontier in pediatric critical care and pediatric neurology. Central to pediatric neurocritical care is the goal of improving outcomes in critically ill pediatric patients with neurological illness or injury and limiting secondary brain injury through optimal critical care delivery and the support of brain function. There is a pressing need for evidence based guidelines in pediatric neurocritical care, notably in pediatric traumatic brain injury and pediatric stroke. These diseases have distinct clinical and pathophysiological features that distinguish them from their adult counterparts and prevent the direct translation of the adult experience to pediatric patients. Increased attention is also being paid to the broader application of neuromonitoring and neuroprotective strategies in the pediatric intensive care unit, in both primary neurological and primary non-neurological disease states. Although much can be learned from the adult experience, there are important differences in the critically ill pediatric population and in the circumstances that surround the emergence of neurocritical care in pediatrics.
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Affiliation(s)
- Sarah Murphy
- MassGeneral Hospital for Children, Boston, MA 02114, USA.
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35
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Indirect Traumas Affecting The Posterior Segment. Clin Ophthalmol 2012; 52:167-80. [DOI: 10.1097/iio.0b013e31823bbc64] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Maxwell WL. Traumatic brain injury in the neonate, child and adolescent human: An overview of pathology. Int J Dev Neurosci 2011; 30:167-83. [DOI: 10.1016/j.ijdevneu.2011.12.008] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2011] [Revised: 10/27/2011] [Accepted: 12/16/2011] [Indexed: 01/14/2023] Open
Affiliation(s)
- William L. Maxwell
- Anatomy, Thomson BuildingSchool of Medicine Veterinary Medicine and Life SciencesUniversity of GlasgowGlasgowG12 8QQScotlandUnited Kingdom
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Laurent-Vannier A, Nathanson M, Quiriau F, Briand-Huchet E, Cook J, Billette de Villemeur T, Chazal J, Christophe C, Defoort-Dhellemmes S, Fortin G, Rambaud C, Raul JS, Rey-Salmon C, Sottet F, Vieux E, Vinchon M, Willinger R. A public hearing. "Shaken baby syndrome: guidelines on establishing a robust diagnosis and the procedures to be adopted by healthcare and social services staff". Scoping report. Ann Phys Rehabil Med 2011; 54:533-99. [PMID: 22118913 DOI: 10.1016/j.rehab.2011.10.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- A Laurent-Vannier
- Service de rééducation des pathologies neurologiques acquises de l'enfant, hôpitaux de Saint-Maurice, 14, rue du Val-d'Osne, 94415 Saint-Maurice cedex, France.
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Inoue H, Nakagawa Y, Ikemura M, Shinone K, Okada K, Nata M. A subacute epidural haematoma extending over the occipital region and posterior cranial fossa due to a laceration in the transverse sinus. Int J Legal Med 2011; 126:467-71. [PMID: 22008787 DOI: 10.1007/s00414-011-0635-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2011] [Accepted: 10/07/2011] [Indexed: 01/07/2023]
Abstract
A 6-year-old male was found dead on his stomach with massive reddish vomiting from his mouth and nose. Postmortem cranial CT revealed an epidural haematoma in the left occipital region, but the cause and origin of the haematoma were unclear. An autopsy revealed that the epidural haematoma expanded over the left temporal region and the left side of the occipital region and posterior cranial fossa, and its origin was a laceration in the left transverse sinus induced by diastases in the left lambdoidal and occipitomastoid sutures. A pathohistological examination revealed that one portion of the haematoma was an early-stage hemorrhage, while the other portion extended approximately 1 week after the hemorrhage. Moreover, approximately 1 week elapsed after the laceration of the transverse sinus. Thus, we believe that the primary haematoma was induced by the laceration in the transverse sinus approximately 1 week before death, but the haematoma ceased to enlarge due to hemostasis. However, later, the size of the haematoma rapidly increased again due to rebleeding from the laceration, which led to intracranial hypertension. Consequently, we diagnosed the direct cause of death as choking due to vomit aspiration that resulted from intracranial hypertension induced by a subacute epidural haematoma.
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Affiliation(s)
- Hiromasa Inoue
- Department of Forensic Medicine and Sciences, Mie University Graduate School of Medicine, Edobashi 2-174, Tsu, Mie, 514-8507, Japan.
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Matshes EW, Evans RM, Pinckard JK, Joseph JT, Lew EO. Shaken Infants Die of Neck Trauma, Not of Brain Trauma. Acad Forensic Pathol 2011. [DOI: 10.23907/2011.009] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Shaken baby syndrome (SBS) is routinely diagnosed on the basis of a classic triad of autopsy findings, namely retinal hemorrhage, subdural hemorrhage, and anoxic encephalopathy. However, ongoing controversy exists regarding the specificity and potential causes of these signs, and hence their reliability as de facto markers of SBS, or of non-accidental head injury, where no external signs of trauma are evident. We investigated the deaths of 35 infants and young children, which fell into two broad groups: those with suspected hyperflexion/extension neck injuries, and those without. At autopsy, the entire cervical spinal column (spinal cord, vertebrae, intervertebral discs, neurovascular structures and adjacent soft tissues) was removed, formalin-fixed, decalcified, dissected, and microscopically evaluated. Of the 12 cases in which hyperflexion/extension was either suspected or confirmed, all had evidence of either bilateral or unilateral hemorrhages within or surrounding the C3, C4, and/or C5 cervical spinal nerve roots. We provide evidence that hyperflexion/extension forces as experienced by shaken and impacted infants and young children lead to injury of the cervical spinal nerve roots that innervate the diaphragm, with resulting asphyxia and hypoxic brain injury. Therefore, we propose that trauma to the third through fifth cervical spinal nerve roots induced by hyperflexion/extension of the neck is the cause of the anoxic encephalopathy of the classic SBS triad, and is therefore not only a more specific indicator of hyperflexion/extension injury than subdural hemorrhage alone, but is the mechanism of injury in these cases.
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Affiliation(s)
- Evan W. Matshes
- Province of Alberta (Calgary, Canada)
- Academic Forensic Pathology Incorporated, Calgary, AB (RE), Southwestern Institute of Forensic Sciences, Dallas, TX (KP), University of Calgary and Calgary Laboratory Services - Division of Neuropathology, Calgary, Alberta (JJ), Miami-Dade County Medical Examiner Department, Miami, FL (EL)
| | - Rhian M. Evans
- Academic Forensic Pathology Incorporated, Calgary, AB (RE), Southwestern Institute of Forensic Sciences, Dallas, TX (KP), University of Calgary and Calgary Laboratory Services - Division of Neuropathology, Calgary, Alberta (JJ), Miami-Dade County Medical Examiner Department, Miami, FL (EL)
| | - J. Keith Pinckard
- Academic Forensic Pathology Incorporated, Calgary, AB (RE), Southwestern Institute of Forensic Sciences, Dallas, TX (KP), University of Calgary and Calgary Laboratory Services - Division of Neuropathology, Calgary, Alberta (JJ), Miami-Dade County Medical Examiner Department, Miami, FL (EL)
| | - Jeffrey T. Joseph
- Academic Forensic Pathology Incorporated, Calgary, AB (RE), Southwestern Institute of Forensic Sciences, Dallas, TX (KP), University of Calgary and Calgary Laboratory Services - Division of Neuropathology, Calgary, Alberta (JJ), Miami-Dade County Medical Examiner Department, Miami, FL (EL)
| | - Emma O. Lew
- Academic Forensic Pathology Incorporated, Calgary, AB (RE), Southwestern Institute of Forensic Sciences, Dallas, TX (KP), University of Calgary and Calgary Laboratory Services - Division of Neuropathology, Calgary, Alberta (JJ), Miami-Dade County Medical Examiner Department, Miami, FL (EL)
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40
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Ursachen des Schädel-Hirn-Traumas im Kindesalter. Rechtsmedizin (Berl) 2011. [DOI: 10.1007/s00194-011-0751-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Multicystic encephalomalacia as an end-stage finding in abusive head trauma. Forensic Sci Med Pathol 2011; 7:355-63. [PMID: 21519862 PMCID: PMC3183319 DOI: 10.1007/s12024-011-9236-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/20/2011] [Indexed: 11/04/2022]
Abstract
Abusive head trauma (AHT) is one of the most severe forms of physical child abuse. If a child initially survives severe AHT the neurological outcome can be poor. In recent years several children were seen who developed multicystic encephalomalacia (MCE) after documented severe AHT. A search of the Netherlands Forensic Institute database in The Hague was performed. Inclusion criteria were cases of AHT between 1999 and 2010 where the child was under the age of 1 year old at the time of trauma. Trauma mechanism and radiological information were collected. Five children, three boys and two girls (mean age 57 days, range 8–142 days) who developed cystic encephalomalacia after inflicted traumatic brain injury were included. Survival ranged from 27 to 993 days. In all cases judicial autopsy was performed. All cases came before court and in each case child abuse was considered to be proven. In two cases the perpetrator confessed, during police interrogation, to shaking of the child only. Although a known serious outcome, this is one of the few reports on MCE as a result of AHT. In all cases the diagnosis was confirmed at autopsy.
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Abstract
Retinal hemorrhage is a cardinal manifestation of abusive head trauma. Over the 30 years since the recognition of this association, multiple streams of research, including clinical, postmortem, animal, mechanical, and finite element studies, have created a robust understanding of the clinical features, diagnostic importance, differential diagnosis, and pathophysiology of this finding. The importance of describing the hemorrhages adequately is paramount in ensuring accurate and complete differential diagnosis. Challenges remain in developing models that adequately replicate the forces required to cause retinal hemorrhage in children. Although questions, such as the effect of increased intracranial pressure, hypoxia, and impact, are still raised (particularly in court), clinicians can confidently rely on a large and solid evidence base when assessing the implications of retinal hemorrhage in children with concern of possible child abuse.
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Affiliation(s)
- Alex V Levin
- Pediatric Ophthalmology and Ocular Genetics, Wills Eye Institute, Suite 1210, 840 Walnut St, Philadelphia, PA 19107, USA.
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Vincent AL, Kelly P. Retinal haemorrhages in inflicted traumatic brain injury: the ophthalmologist in court. Clin Exp Ophthalmol 2010; 38:521-32. [DOI: 10.1111/j.1442-9071.2010.02324.x] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Vinchon M, Desurmont M, Soto-Ares G, De Foort-Dhellemmes S. Natural history of traumatic meningeal bleeding in infants: semiquantitative analysis of serial CT scans in corroborated cases. Childs Nerv Syst 2010; 26:755-62. [PMID: 19946689 DOI: 10.1007/s00381-009-1047-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2009] [Indexed: 10/20/2022]
Abstract
BACKGROUND The natural history of posttraumatic meningeal bleeding in infants is poorly documented, and the differences between inflicted head injury (IHI) and accidental trauma (AT) are debated. Autopsy findings have suggested that anoxia also plays a role in bleeding; however, these findings may not reflect what occurs in live trauma patients. PURPOSE We studied the natural history of traumatic meningeal bleeding in infants using serial computed tomography (CT) scans in corroborated IHI and AT. MATERIALS AND METHODS From our prospective series, we selected corroborated cases (confessed IHI or AT having occurred in public), who underwent at least three CT scans in the acute phase. We performed a semiquantitative analysis of meningeal bleeding using a four-tier scale (absent, faint, frank, and thick) derived from the Fisher grading for aneurysmal bleeding in four regions of interest (convexity, falx cerebri, sagittal sinus, and tentorium cerebelli). RESULTS We studied 20 cases: ten IHI and ten AT. Bleeding was maximal at the convexity initially, then increased along the falx and sagittal sinus, and then along the tentorium. Decrease and disappearance of blood was variable according to the site and the initial quantity of blood. We found no difference between IHI and AT. CONCLUSION Our findings suggest that the primary site of meningeal bleeding in infantile head trauma is the convexity of the brain; blood cells then migrate toward the midline following the flow of cerebrospinal fluid circulation and inferiorly following gravity. The pattern of bleeding in traumatic cases appears similar in IHI and AT but different from anoxic lesions.
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Affiliation(s)
- Matthieu Vinchon
- Department of Pediatric Neurosurgery, Lille University Hospital, 59 037, Lille Cedex, France.
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46
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Vezina G. Assessment of the nature and age of subdural collections in nonaccidental head injury with CT and MRI. Pediatr Radiol 2009; 39:586-90. [PMID: 19305988 DOI: 10.1007/s00247-009-1212-y] [Citation(s) in RCA: 67] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2008] [Revised: 01/23/2009] [Accepted: 02/20/2009] [Indexed: 11/26/2022]
Affiliation(s)
- Gilbert Vezina
- Diagnostic Imaging & Radiology, Children's National Medical Center, Washington, DC 20010, USA.
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