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Ernst G, Hughes K, Andrews B, Bauer A. Cerebral vasospasm in patients with traumatic subarachnoid hemorrhage, a possible point of intervention? J Clin Neurosci 2024; 125:106-109. [PMID: 38763077 DOI: 10.1016/j.jocn.2024.05.009] [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: 01/28/2024] [Revised: 05/07/2024] [Accepted: 05/08/2024] [Indexed: 05/21/2024]
Abstract
OBJECTIVE To determine the incidence of vasospasm in traumatic brain injury patients with traumatic subarachnoid hemorrhage. METHODS IRB approval was obtained for this retrospective chart review. An institutional trauma database was queried for adult patients with traumatic brain injury (TBI) and traumatic subarachnoid hemorrhage (tSAH) seen on CT head obtained within 20 days. The presence of vasospasm on CTA was determined by radiology report. Association between categorical background characteristics and intracranial vasospasm was assessed by the chi-square test and association between a continuous variables and intracranial vasospasm was assessed by a paired t-test. RESULTS 1142 patients with traumatic SAH were identified from the trauma database. 792 patients were excluded: 142 for age <18, 632 did not have CT angiography, and 18 had non-traumatic SAH. 350 patients were analyzed, of which 28 (8 %) had vasospasm. Traumatic vasospasm was associated with higher-grade TBI based on Cochran-Armitage trend test (p < 0.05). Vasospasm patients had longer length of stay in the ICU (mean days 13.64 vs 7.24, P < 0.001), and had a higher incidence of death (39.29 % vs 20.81 %), although this did not reach statistical significance. CONCLUSION Intracranial vasospasm, specifically in patients with tSAH, is associated with more severe TBI and longer stays in the ICU. Our incidence is smaller compared to other studies likely due to the retrospective nature and the infrequency of obtaining CT angiography after initial presentation. Prospective studies are warranted as the incidence is significant and may represent a point of intervention for TBI.
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Affiliation(s)
- Griffin Ernst
- University of Oklahoma Department of Neurosurgery, 1000 N Lincoln Blvd #4000, Oklahoma City, OK 73104, United States.
| | - Kendall Hughes
- University of Oklahoma Department of Neurosurgery, 1000 N Lincoln Blvd #4000, Oklahoma City, OK 73104, United States.
| | - Bethany Andrews
- University of Oklahoma Department of Neurosurgery, 1000 N Lincoln Blvd #4000, Oklahoma City, OK 73104, United States.
| | - Andrew Bauer
- University of Oklahoma Department of Neurosurgery, 1000 N Lincoln Blvd #4000, Oklahoma City, OK 73104, United States.
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Asikainen A, Korja M, Kaprio J, Rautalin I. Sex Differences in Case Fatality of Aneurysmal Subarachnoid Hemorrhage: A Systematic Review. Neuroepidemiology 2024:1-14. [PMID: 38599189 DOI: 10.1159/000538562] [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: 01/03/2024] [Accepted: 03/19/2024] [Indexed: 04/12/2024] Open
Abstract
INTRODUCTION Aneurysmal subarachnoid hemorrhage (SAH) is more common in women than in men, contrary to most cardiovascular diseases. However, it is unclear whether the case fatality rate (CFR) of SAH also differs by sex. Thus, we performed a systematic review to address the relationship between sex and SAH CFRs. METHODS We conducted a systematic literature search in PubMed, Scopus, and Cochrane library databases. We focused on population-based studies that included both nonhospitalized and hospitalized SAHs and had either reported 1-month (28-31 day) SAH CFRs separately for men and women or calculated risk estimates for SAH CFR by sex. For quality classification, we used the Cochrane Collaboration Handbook and Critical Appraisal Skills Program guidelines. We pooled the study cohorts and calculated relative risk ratios (RRs) with 95% confidence intervals (CIs) for SAH death between women and men using a random-effects meta-analysis model. RESULTS The literature search yielded 5,592 initial publications, of which 33 study cohorts were included in the final review. Of the 33 study cohorts, only three reported significant sex differences, although the findings were contradictory. In the pooled analysis of all 53,141 SAH cases (60.3% women) from 26 countries, the 1-month CFR did not differ (RR = 0.99 [95% CI: 0.93-1.05]) between women (35.5%) and men (35.0%). According to our risk-of-bias evaluation, all 33 study cohorts were categorized as low quality. The most important sources of bias risks were related to the absence of proper confounding control (all 33 study cohorts), insufficient sample size (27 of 33 study cohorts), and poor/unclear diagnostic accuracy (27 of 33 study cohorts). CONCLUSION Contrary to SAH incidence rates, the SAH CFRs do not seem to differ between men and women. However, since none of the studies were specifically designed to examine the sex differences in SAH CFRs, future studies on the topic are warranted.
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Affiliation(s)
- Aleksanteri Asikainen
- Department of Neurosurgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland,
| | - Miikka Korja
- Department of Neurosurgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - Jaakko Kaprio
- Institute for Molecular Medicine FIMM, University of Helsinki, Helsinki, Finland
| | - Ilari Rautalin
- Department of Neurosurgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
- The National Institute for Stroke and Applied Neurosciences, Auckland University of Technology, Auckland, New Zealand
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El Mohamad AR, Khan MM, Omari RY, Strandvik G. Massive traumatic subarachnoid hemorrhage mimicking aneurysmal subarachnoid hemorrhage. Trauma Case Rep 2023; 48:100959. [PMID: 37915535 PMCID: PMC10616423 DOI: 10.1016/j.tcr.2023.100959] [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] [Accepted: 10/18/2023] [Indexed: 11/03/2023] Open
Abstract
Introduction Massive traumatic subarachnoid hemorrhage (tSAH) is a rare but potentially life-threatening condition that can mimic the clinical presentation of aneurysmal subarachnoid hemorrhage (aSAH). The accurate differentiation between these two entities is crucial, as their management and prognoses significantly differ. Case presentation We present a case of a 64-year-old male patient who presented to our emergency department after being involved in a motor vehicle collision. His radiological findings on a computed tomography (CT) scan were suggestive of aSAH based on its location, which showed massive SAH in bilateral sylvian fissures and the basal cisterns. There was no evidence of vasospasm. The patient later developed a stroke despite the use of Nimodipine. Conclusion While traumatic subarachnoid hemorrhage mimicking aneurysmal subarachnoid hemorrhage is a recognized phenomenon, it is relatively uncommon. We present a case of massive tSAH complicated by a stroke with no evidence of aneurysm on cerebral angiogram, shedding light on the diagnostic challenges in differentiating tSAH from aSAH and emphasizing the importance of accurate diagnosis for appropriate management, in addition, we aim to remind the readers that trauma may be a cause for massive SAH and should prompt a medical SAH management plan.
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Affiliation(s)
- Amr Rachid El Mohamad
- Neurosurgery Department, Hamad General Hospital, Hamad Medical Corporation, Doha, Qatar
| | - Muhammad Mohsin Khan
- Neurosurgery Department, Hamad General Hospital, Hamad Medical Corporation, Doha, Qatar
| | - Rand Y. Omari
- Plastic and Reconstructive Surgery Department, Hamad General Hospital, Hamad Medical Corporation, Doha, Qatar
| | - Gustav Strandvik
- Trauma Department, Hamad General Hospital, Hamad Medical Corporation, Doha, Qatar
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Behzadnia MJ, Anbarlouei M, Hosseini SM, Boroumand AB. Prognostic factors in traumatic brain injuries in emergency department. JOURNAL OF RESEARCH IN MEDICAL SCIENCES : THE OFFICIAL JOURNAL OF ISFAHAN UNIVERSITY OF MEDICAL SCIENCES 2022; 27:83. [PMID: 36685030 PMCID: PMC9854932 DOI: 10.4103/jrms.jrms_290_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 05/28/2022] [Accepted: 06/20/2022] [Indexed: 11/27/2022]
Abstract
Background Traumatic brain injury (TBI) is a leading cause of morbidity and mortality in young adults. The Extended Glasgow Outcome Score (GOSE) has been introduced to assess the global outcome after brain injuries. Therefore, we aimed to evaluate the prognostic factors associated with GOSE. Materials and Methods This was a multicenter cross-sectional study conducted on 144 patients with TBI admitted at trauma emergency centers. The patients' information, including demographic characteristics, duration of hospital stay, mechanical ventilation and on-admission laboratory measurements, and on-admission vital signs, were evaluated. The patients' TBI-related symptoms and brain computed tomography (CT) scan findings were recorded. Results GOSE assessments showed an increasing trend by the comparison of on-discharge (7.47 ± 1.30), within a month (7.51 ± 1.30) and within 3 months (7.58 ± 1.21) evaluations (P < 0.001). On-discharge GOSE was positively correlated with Glasgow Coma Scale (GCS)(r = 0.729, P < 0.001), motor GCS (r = 0.812, P < 0.001), Hb (r = 0.165, P = 0.048), and pH (r = 0.165, P = 0.048) and inversely with age (r = -0.261, P = 0.002), hospitalization period (r = -0.678, P < 0.001), pulse rate (r = -0.256, P = 0.002), white blood cell (WBC) (r = -0.222, P = 0.008), and triglyceride (r = -0.218, P = 0.009). In multiple linear regression analysis, the associations were significant only for GCS (B = 0.102, 95% confidence interval [CI]: 0-0.202; P = 0.05), hospitalization stay duration (B = -0.004, 95% CI: -0.005--0.003, P = 0.001), and WBC (B = 0.00001, 95% CI: 0.00000014-0.000025; P = 0.024). Among imaging signs and trauma-related symptoms in univariate analysis, intracranial hemorrhage (ICH), interventricular hemorrhage (IVH) (P = 0.006), subarachnoid hemorrhage (SAH) (P = 0.06; marginally at P < 0.1), subdural hemorrhage (SDH) (P = 0.032), and epidural hemorrhage (EDH) (P = 0.037) was significantly associated with GOSE at discharge in multivariable analysis. Conclusion According to the current study findings, GCS, hospitalization stay duration, WBC and among imaging signs and trauma-related symptoms ICH, IVH, SAH, SDH, and EDH are independent significant predictors of GOSE at discharge in TBI patients.
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Affiliation(s)
- Mohammad Javad Behzadnia
- Department of Emergency Medicine, Baqiyatallah University of Medical Sciences, Tehran, Iran,Trauma Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Mousareza Anbarlouei
- Trauma Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Seyed Morteza Hosseini
- Quran and Hadith Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Amir Bahador Boroumand
- Department of Emergency Medicine, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran,Address for correspondence: Dr. Amir Bahador Boroumand, Department of Emergency Medicine, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran. E-mail:
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Association between Traumatic Subarachnoid Hemorrhage and Acute Respiratory Failure in Moderate-to-Severe Traumatic Brain Injury Patients. J Clin Med 2022; 11:jcm11143995. [PMID: 35887760 PMCID: PMC9318973 DOI: 10.3390/jcm11143995] [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: 05/01/2022] [Revised: 06/27/2022] [Accepted: 07/05/2022] [Indexed: 01/25/2023] Open
Abstract
Acute respiratory failure (ARF) with a high incidence among moderate-to-severe traumatic brain injury (M-STBI) patients plays a pivotal role in worsening neurological outcomes. Traumatic subarachnoid hemorrhage (tSAH) is highly prevalent in M-STBI, which is associated with significant adverse outcomes. In this retrospective cohort study, we aimed to explore the association between the severity of the tSAH and ARF in the M-STBI population. A total of 771 subjects were reviewed. Clinical and neuroimaging data of M-STBI patients were retrospectively collected, and ARF was ascertained retrospectively based on their electronic medical record. The degree of tSAH was classified according to Fisher’s criteria, and the grade of tSAH was dichotomized to a low Fisher grade (Fisher grade 1–2) and a high Fisher grade (Fisher grade 3–4). After exclusion procedures, the data of 695 M-STBI patients were analyzed. A total of 284 (30.8%) had a high Fisher grade on admission. The overall rate of ARF within 48 h upon admission was 34.4% (239/695); it was 29.5% (142/481) and 46.3% (99/214) for the low and high Fisher groups, respectively. In a full cohort, a high Fisher grade was associated with ARF after adjusting for age, gender, GCS, smoking history, comorbidities, multiple injuries, characteristics of TBI, and pulmonary factors (OR 1.78; 95% CI, 1.11–2.85, p = 0.016). This result remained robust in the comparisons after PSM (71/132, 42.8% vs. 53/132, 31.9%; OR, 1.59; 95% CI, 1.02–2.49, p = 0.042). A high Fisher SAH grade exposure on admission is associated with ARF in M-STBI patients.
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Zhi-Ling C, Qi L, Jun-Yong Y, Bang-Qing Y. The prevalence and risk factors of posttraumatic cerebral infarction in patients with traumatic brain injury: a systematic review and meta-analysis. Bioengineered 2022; 13:11706-11717. [PMID: 35521755 PMCID: PMC9275913 DOI: 10.1080/21655979.2022.2070999] [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] [Indexed: 11/02/2022] Open
Abstract
Posttraumatic cerebral infarction (PTCI) is a serious complication of traumatic brain injury (TBI), and the prevalence and risk factors of PTCI in TBI patients are in dispute. We systematically searched the literature in the PubMed, Embase, and Cochrane library up to October 2021 to identify studies on the prevalence and risk factors of PTCI in patients with TBI. The quality of observational studies was assessed by the Newcastle-Ottawa scale tool. Random-effects model was conducted. The Higgins` I2 statistic was used to measure heterogeneity between trials. Moreover, sensitive analyses were conducted to assess whether the pooled result was credible and robust. Eleven studies (3696 total TBI patients) were included. The pooled prevalence of PTCI in TBI patients was 14% (95% CI, 0.11-0.17; I2 = 83.1%). Sensitive analyses showed that the pooled prevalence of PTCI was 13% (95% CI, 0.10-0.15; I2 = 69.2%) by omitting Su et al. The prevalence of PTCI was associated with a lower Glasgow Coma Scale (GCS) score (OR, 0.33; 95% CI, 0.14-0.77; I2 = 99.2%), pupillary dilation (OR, 4.73; 95% CI, 4.30-5.19; I2 = 85.6%), abnormal PT (OR, 1.16; 95% CI,1.05-2.47; I2 = 99.2%), hematoma location (OR, 1.16; 95% CI,1.05-2.47; I2 = 99.2%) and hematoma volume (OR, 1.16; 95% CI,1.05-2.47; I2 = 99.2%). Whereas hypotensive shock, duraplasty, cerebral herniation, and thrombocytopenia were not statistically associated with PTCI. Lower GCS, pupillary dilation, abnormal PT, hematoma location, and hematoma volume were risk factors for PTCI. Considering some limitations, the conclusion of our study should be interpreted with caution.
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Affiliation(s)
- Chen Zhi-Ling
- The 900th Hospital of the Chinese People`s Liberation Army Joint Logistic Support Force, Fuzhou, China
| | - Li Qi
- The 900th Hospital of the Chinese People`s Liberation Army Joint Logistic Support Force, Fuzhou, China
| | - Yang Jun-Yong
- The 900th Hospital of the Chinese People`s Liberation Army Joint Logistic Support Force, Fuzhou, China
| | - Yuan Bang-Qing
- The 900th Hospital of the Chinese People`s Liberation Army Joint Logistic Support Force, Fuzhou, China
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Palekar SG, Jaiswal M, Patil M, Malpathak V. Outcome Prediction in Patients of Traumatic Brain Injury Based on Midline Shift on CT Scan of Brain. INDIAN JOURNAL OF NEUROSURGERY 2021. [DOI: 10.1055/s-0040-1716990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Abstract
Abstract
Background Clinicians treating patients with head injury often take decisions based on their assessment of prognosis. Assessment of prognosis could help communication with a patient and the family. One of the most widely used clinical tools for such prediction is the Glasgow coma scale (GCS); however, the tool has a limitation with regard to its use in patients who are under sedation, are intubated, or under the influence of alcohol or psychoactive drugs. CT scan findings such as status of basal cistern, midline shift, associated traumatic subarachnoid hemorrhage (SAH), and intraventricular hemorrhage are useful indicators in predicting outcome and also considered as valid options for prognostication of the patients with traumatic brain injury (TBI), especially in emergency setting.
Materials and Methods 108 patients of head injury were assessed at admission with clinical examination, history, and CT scan of brain. CT findings were classified according to type of lesion and midline shift correlated to GCS score at admission. All the subjects in this study were managed with an identical treatment protocol. Outcome of these patients were assessed on GCS score at discharge.
Results Among patients with severe GCS, 51% had midline shift. The degree of midline shift in CT head was a statistically significant determinant of outcome (p = 0.023). Seventeen out of 48 patients (35.4%) with midline shift had poor outcome as compared with 8 out of 60 patients (13.3%) with no midline shift.
Conclusion In patients with TBI, the degree of midline shift on CT scan was significantly related to the severity of head injury and resulted in poor clinical outcome.
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Affiliation(s)
- Shrikant Govindrao Palekar
- Department of General Surgery, Dr. Vasantrao Pawar Medical College, Hospital & research center, Adgaon, Nasik, India
| | - Manish Jaiswal
- Department of Neurosurgery, King George’s Medical University, Lucknow, Uttar Pradesh, India
| | - Mandar Patil
- Department of Neurosurgery, Tirunelveli Government Medical College, Tamil Nadu, India
| | - Vijay Malpathak
- Department of General Surgery, Dr. Vasantrao Pawar Medical College, Hospital & research center, Adgaon, Nasik, India
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Timing of venous thromboembolic pharmacological prophylaxis in traumatic combined subdural and subarachnoid hemorrhage. Am J Surg 2021; 223:1194-1199. [PMID: 34809908 DOI: 10.1016/j.amjsurg.2021.11.021] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 11/13/2021] [Accepted: 11/15/2021] [Indexed: 11/23/2022]
Abstract
BACKGROUND The combination of subdural and subarachnoid hemorrhage is the most common intracranial bleeding. The present study evaluated the timing and type of venous thromboembolic chemoprophylaxis (VTEp) for efficacy and safety in patients with blunt head trauma with combined acute subdural and subarachnoid hemorrhage. METHODS Patients with isolated combined acute subdural and subarachnoid hemorrhage were extracted from the ACS-TQIP database (2013-2017). After 1:1 cohort matching of patients receiving early prophylaxis (EP, ≤48 h) versus late prophylaxis (LP, >48 h) outcomes were compared with univariable and multivariable regression analysis. RESULTS Multivariable regression analysis identified EP as an independent protective factor for VTE complications (OR 0.468, CI 0.293-0.748) but not mortality (p = 0.485). The adjusted risk for delayed craniectomy was not associated with EP compared to LP (p = 0.283). The type of VTEp was not associated with VTE complications (p = 0.301), mortality (p = 0.391) or delayed craniectomy (p = 0.126). CONCLUSIONS Early VTEp (≤48 h) was associated with fewer VTE complications in patients and did not increase the risk for craniectomies in patients with combined acute subdural and subarachnoid hemorrhage.
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Isolated subarachnoid hemorrhage in mild traumatic brain injury: is a repeat CT scan necessary? A single-institution retrospective study. Acta Neurochir (Wien) 2021; 163:3209-3216. [PMID: 33646445 DOI: 10.1007/s00701-020-04622-0] [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: 05/23/2020] [Accepted: 10/16/2020] [Indexed: 10/22/2022]
Abstract
BACKGROUND Traumatic brain injury (TBI) with isolated subarachnoid hemorrhage (iSAH) is a common finding in the emergency department. In many centers, a repeat CT scan is routinely performed 24 to72 h following the trauma to rule out further radiological progression. The aim of this study is to assess the clinical utility of the repeat CT scan in clinical practice. METHODS We reviewed the medical charts of all patients who presented to our institution with mild TBI (mTBI) and isolated SAH between January 2015 and October 2017. CT scan at admission and control after 24 to 72 h were examined for each patient in order to detect any possible change. Neurological deterioration, antiplatelet/anticoagulant therapy, coagulopathy, SAH location, associated injuries, and length of stay in hospital were analyzed. RESULTS Of the 649 TBI patients, 106 patients met the inclusion criteria. Fifty-four patients were females and 52 were males with a mean age of 68.2 years. Radiological iSAH progression was found in 2 of 106 (1.89) patients, and one of them was under antiplatelet therapy. No neurological deterioration was observed. Ten of 106 (9.4%) patients were under anticoagulation therapy, and 28 of 106 (26.4%) were under antiplatelet therapy. CONCLUSION ISAH in mTBI seems to be a radiological stable entity over 72 h with no neurological deterioration. The clinical utility of a repeat head CT in such patients is questionable, considering its radiation exposure and cost. Regardless of anticoagulation/antiplatelet therapy, neurologic observation and symptomatic treatment solely could be a reasonable alternative.
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Surgical Management of Trauma-Related Intracranial Hemorrhage-a Review. Curr Neurol Neurosci Rep 2020; 20:63. [PMID: 33136200 DOI: 10.1007/s11910-020-01080-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/19/2020] [Indexed: 12/26/2022]
Abstract
PURPOSE OF REVIEW The surgical management of trauma-related intracranial hemorrhage is characterized by marked heterogeneity. Large prospective randomized trials have generally been prohibited by the ubiquity of concordant pathology, diversity of trauma systems, and paucity of clinical equipoise among providers. RECENT FINDINGS To date, the results of retrospective studies and surgeon preference have driven the indications, modality, extent, and timing of surgical intervention in the global neurosurgical community. With advances in our understanding of the pathophysiology of hemorrhagic TBI and the advent of novel surgical techniques, a reevaluation of surgical indication, timing, and approach is warranted. In this way, we can work to optimize surgical outcomes, achieving maximal functional recovery while minimizing surgical morbidity.
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Karakasi MV, Nikova AS, Valsamidou C, Pavlidis P, Birbilis TA. Anatomical Localization of Traumatic Brain Injury Cases in Eastern Macedonia and Thrace, Greece: a 10-year Retrospective Observational Study. Korean J Neurotrauma 2020; 16:38-48. [PMID: 32395450 PMCID: PMC7192809 DOI: 10.13004/kjnt.2020.16.e6] [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: 09/23/2019] [Revised: 03/13/2020] [Accepted: 03/18/2020] [Indexed: 11/15/2022] Open
Abstract
Objective Brain trauma is an extremely important economical and social issue with increasing daily incidence. It is important to observe and report brain trauma, in order to provide better conditions for improvement of the trauma prevention and management. Methods A ten-year retrospective observational analysis was performed on 292 (fatal and non-fatal) incidents of traumatic brain injury among 2,847 totally examined cases in the records of the laboratory of forensic sciences at Democritus University of Thrace between January 1, 2007 and December 31, 2016. The results were further analyzed and classified into pertinent categories associated with the purpose of the study. Results The average age was estimated at 47.24 years with an obvious male domination. The most common cause of TBI, according to the results, is transport accidents (61.85%) followed by trauma inflicted by blunt instrument (22.49%), fall from height (11.65%) and occupational accidents (4.02%). Mortality rates were evaluated for each type, revealing extremely disturbing numbers. Regarding the anatomical localization on the skull, the most common region of cranial fractures is the cranial base (16.48%), followed by the frontal (12.87%), occipital (11.29%) and parietal bones (11.06%). In the majority of the cases, there were associated injuries. Conclusion The management of traumatic brain injuries is difficult and sometimes impossible. Better prevention measures are required to minimize as much as possible the incidence of brain trauma.
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Affiliation(s)
- Maria-Valeria Karakasi
- Laboratory of Forensic Sciences, Democritus University of Thrace, School of Medicine, Dragana, Alexandroupolis, Greece
| | - Alexandrina S. Nikova
- Department of Neurosurgery, Democritus University of Thrace, School of Medicine, Dragana, Alexandroupolis, Greece
| | - Christina Valsamidou
- Laboratory of Forensic Sciences, Democritus University of Thrace, School of Medicine, Dragana, Alexandroupolis, Greece
| | - Pavlos Pavlidis
- Laboratory of Forensic Sciences, Democritus University of Thrace, School of Medicine, Dragana, Alexandroupolis, Greece
| | - Theodossios A. Birbilis
- Department of Neurosurgery, Democritus University of Thrace, School of Medicine, Dragana, Alexandroupolis, Greece
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Dalle Ore CL, Rennert RC, Schupper AJ, Gabel BC, Gonda D, Peterson B, Marshall LF, Levy M, Meltzer HS. The identification of a subgroup of children with traumatic subarachnoid hemorrhage at low risk of neuroworsening. J Neurosurg Pediatr 2018; 22:559-566. [PMID: 30095347 DOI: 10.3171/2018.5.peds18140] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Accepted: 05/21/2018] [Indexed: 12/17/2022]
Abstract
OBJECTIVEPediatric traumatic subarachnoid hemorrhage (tSAH) often results in intensive care unit (ICU) admission, the performance of additional diagnostic studies, and ICU-level therapeutic interventions to identify and prevent episodes of neuroworsening.METHODSData prospectively collected in an institutionally specific trauma registry between 2006 and 2015 were supplemented with a retrospective chart review of children admitted with isolated traumatic subarachnoid hemorrhage (tSAH) and an admission Glasgow Coma Scale (GCS) score of 13-15. Risk of blunt cerebrovascular injury (BCVI) was calculated using the BCVI clinical prediction score.RESULTSThree hundred seventeen of 10,395 pediatric trauma patients were admitted with tSAH. Of the 317 patients with tSAH, 51 children (16%, 23 female, 28 male) were identified with isolated tSAH without midline shift on neuroimaging and a GCS score of 13-15 at presentation. The median patient age was 4 years (range 18 days to 15 years). Seven had modified Fisher grade 3 tSAH; the remainder had grade 1 tSAH. Twenty-six patients (51%) had associated skull fractures; 4 involved the petrous temporal bone and 1 the carotid canal. Thirty-nine (76.5%) were admitted to the ICU and 12 (23.5%) to the surgical ward. Four had an elevated BCVI score. Eight underwent CT angiography; no vascular injuries were identified. Nine patients received an imaging-associated general anesthetic. Five received hypertonic saline in the ICU. Patients with a modified Fisher grade 1 tSAH had a significantly shorter ICU stay as compared to modified Fisher grade 3 tSAH (1.1 vs 2.5 days, p = 0.029). Neuroworsening was not observed in any child.CONCLUSIONSChildren with isolated tSAH without midline shift and a GCS score of 13-15 at presentation appear to have minimal risk of neuroworsening despite the findings in some children of skull fractures, elevated modified Fisher grade, and elevated BCVI score. In this subgroup of children with tSAH, routine ICU-level care and additional diagnostic imaging may not be necessary for all patients. Children with modified Fisher grade 1 tSAH may be particularly unlikely to require ICU-level admission. Benefits to identifying a subgroup of children at low risk of neuroworsening include improvement in healthcare efficiency as well as decreased utilization of unnecessary and potentially morbid interventions, including exposure to ionizing radiation and general anesthesia.
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Affiliation(s)
- Cecilia L Dalle Ore
- 1Department of Neurosurgery, University of California San Diego School of Medicine; and
| | - Robert C Rennert
- 1Department of Neurosurgery, University of California San Diego School of Medicine; and
| | - Alexander J Schupper
- 1Department of Neurosurgery, University of California San Diego School of Medicine; and
| | - Brandon C Gabel
- 1Department of Neurosurgery, University of California San Diego School of Medicine; and
| | - David Gonda
- 1Department of Neurosurgery, University of California San Diego School of Medicine; and
- Divisions of2Neurosurgery and
| | - Bradley Peterson
- 3Pediatric Critical Care, Rady Children's Hospital, San Diego, California
| | - Lawrence F Marshall
- 1Department of Neurosurgery, University of California San Diego School of Medicine; and
| | - Michael Levy
- 1Department of Neurosurgery, University of California San Diego School of Medicine; and
- Divisions of2Neurosurgery and
| | - Hal S Meltzer
- 1Department of Neurosurgery, University of California San Diego School of Medicine; and
- Divisions of2Neurosurgery and
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Prior A, Allegretti L, Melloni I, Bovio M, Laganà F, Ceraudo M, Zona G. Traumatic subarachnoid hemorrhage related to ophthalmic artery avulsion: a case report. Acta Neurochir (Wien) 2018; 160:913-917. [PMID: 29445965 DOI: 10.1007/s00701-018-3486-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Accepted: 02/06/2018] [Indexed: 12/19/2022]
Abstract
We present a case of ophthalmic artery (OA) traumatic avulsion, leading to a post-traumatic subarachnoid hemorrhage (SAH) with ventricular blood invasion and hydrocephalus, mimicking an internal carotid aneurysm rupture. This is the third case of such an event reported in literature and the first without orbital fractures and optic nerve avulsion. Conservative treatment was sufficient for the avulsion, but surgery was needed for the coexisting eye luxation. Traumatic OA avulsion is a rare but possible event and should be suspected in case of basal cisterns SAH, evidence of orbital trauma and CT angiogram or angiographic absence of opacification of the OA.
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Affiliation(s)
- Alessandro Prior
- Clinica Neurochirurgica e Neurotraumatologica, IRCCS Policlinico San Martino, Largo Rosanna Benzi, 10, 16132, Genoa, Italy
| | - Luca Allegretti
- U.O. Neuroradiologia, IRCCS Policlinico San Martino, Genoa, Italy
| | - Ilaria Melloni
- Clinica Neurochirurgica e Neurotraumatologica, IRCCS Policlinico San Martino, Largo Rosanna Benzi, 10, 16132, Genoa, Italy.
| | - Marta Bovio
- U.O. Medicina e Chirurgia d'Accettazione e Urgenza, IRCCS Policlinico San Martino, Genoa, Italy
| | - Francesco Laganà
- U.O. Chirurgia Maxillo-faciale, IRCCS Policlinico San Martino, Genoa, Italy
| | - Marco Ceraudo
- Clinica Neurochirurgica e Neurotraumatologica, IRCCS Policlinico San Martino, Largo Rosanna Benzi, 10, 16132, Genoa, Italy
| | - Gianluigi Zona
- Clinica Neurochirurgica e Neurotraumatologica, IRCCS Policlinico San Martino, Largo Rosanna Benzi, 10, 16132, Genoa, Italy
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14
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Clements TW, Dunham M, Kirkpatrick A, Rajakumar R, Gratton C, Lall R, McBeth P, Ball CG. Neurocognitive assessment in patients with a minor traumatic brain injury and an abnormal initial CT scan: Can cognitive evaluation assist in identifying patients who require surveillance CT brain imaging? Am J Surg 2018; 215:843-846. [PMID: 29336817 DOI: 10.1016/j.amjsurg.2017.11.046] [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: 11/15/2017] [Revised: 11/26/2017] [Accepted: 11/27/2017] [Indexed: 11/27/2022]
Abstract
BACKGROUND Evidence for repeat computed tomography (CT) in minor traumatic brain injury (mTBI) patients with intracranial pathology is scarce. The aim of this study was to investigate the utility of clinical cognitive assessment (COG) in defining the need for repeat imaging. METHODS COG performance was compared with findings on subsequent CT, and need for neurosurgery in mTBI patients (GCS 13-15 and positive CT findings). RESULTS Of 152 patients, 65.8% received a COG (53.0% passed). Patients with passed COG underwent fewer repeat CT (43.4% vs. 78.7%; p = .001) and had shorter LOS (8.7 vs. 19.5; p < .05). Only 1 patient required neurosurgery after a passed COG. The negative predictive value of a normal COG was 90.6% (95%CI = 81.8%-95.4%). CONCLUSION mTBI patients with an abnormal index CT who pass COG are less likely to undergo repeat CT head, and rarely require neurosurgery. The COG warrants further investigation to determine its role in omitting repeat head CT.
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Affiliation(s)
- Thomas W Clements
- Department of Surgery, University of Calgary, 1403 - 29th Street NW, Calgary, Alberta, T2N 2T9, Canada.
| | - Michael Dunham
- Department of Surgery, University of Calgary, 1403 - 29th Street NW, Calgary, Alberta, T2N 2T9, Canada.
| | - Andrew Kirkpatrick
- Department of Surgery, University of Calgary, 1403 - 29th Street NW, Calgary, Alberta, T2N 2T9, Canada.
| | - Ruphus Rajakumar
- Department of Surgery, University of Calgary, 1403 - 29th Street NW, Calgary, Alberta, T2N 2T9, Canada.
| | - Carolyn Gratton
- Department of Surgery, University of Calgary, 1403 - 29th Street NW, Calgary, Alberta, T2N 2T9, Canada.
| | - Rohan Lall
- Department of Surgery, University of Calgary, 1403 - 29th Street NW, Calgary, Alberta, T2N 2T9, Canada.
| | - Paul McBeth
- Department of Surgery, University of Calgary, 1403 - 29th Street NW, Calgary, Alberta, T2N 2T9, Canada.
| | - Chad G Ball
- Department of Surgery, University of Calgary, 1403 - 29th Street NW, Calgary, Alberta, T2N 2T9, Canada.
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15
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Won YD, Na MK, Ryu JI, Cheong JH, Kim JM, Kim CH, Han MH. Radiologic Factors Predicting Deterioration of Mental Status in Patients with Acute Traumatic Subdural Hematoma. World Neurosurg 2017; 111:e120-e134. [PMID: 29248778 DOI: 10.1016/j.wneu.2017.12.025] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 11/30/2017] [Accepted: 12/04/2017] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To evaluate whether subdural hematoma (SDH) volume and other radiologic factors predict deterioration of mental status in patients with acute traumatic SDH. METHODS SDH volumes were measured with a semiautomated tool. The area under the receiver operating characteristic curve was used to determine optimal cutoff values for mental deterioration, including the variables midline shift, SDH volume, hematoma thickness, and Sylvian fissure ratio. Multivariate logistic regression was used to calculate the odds ratio for mental deterioration based on several predictive factors. RESULTS We enrolled 103 consecutive patients admitted to our hospital with acute traumatic SDH over an 8-year period. We observed an increase in SDH volume of approximately 7.2 mL as SDH thickness increased by 1 mm. A steeper slope for midline shift was observed in patients with SDH volumes of approximately 75 mL in the younger age group compared with patients in the older age group. When comparing cutoff values used to predict poor mental status at time of admission between the 2 age groups, we observed smaller midline shifts in the older patients. CONCLUSIONS Among younger patients, an overall tendency for more rapid midline shift progression was observed in patients with relatively low SDH volumes compared with older patients. Older patients seem to tolerate larger hematoma volumes owing to brain atrophy compared with younger patients. When there is a midline shift, older patients seem to be more vulnerable to mental deterioration than younger patients.
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Affiliation(s)
- Yu Deok Won
- Department of Neurosurgery, Hanyang University Guri Hospital, Gyonggi-do, Korea
| | - Min Kyun Na
- Department of Neurosurgery, Hanyang University Guri Hospital, Gyonggi-do, Korea
| | - Je-Il Ryu
- Department of Neurosurgery, Hanyang University Guri Hospital, Gyonggi-do, Korea
| | - Jin-Hwan Cheong
- Department of Neurosurgery, Hanyang University Guri Hospital, Gyonggi-do, Korea
| | - Jae-Min Kim
- Department of Neurosurgery, Hanyang University Guri Hospital, Gyonggi-do, Korea
| | - Choong-Hyun Kim
- Department of Neurosurgery, Hanyang University Guri Hospital, Gyonggi-do, Korea
| | - Myung-Hoon Han
- Department of Neurosurgery, Hanyang University Guri Hospital, Gyonggi-do, Korea.
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Stenberg M, Koskinen LOD, Jonasson P, Levi R, Stålnacke BM. Computed tomography and clinical outcome in patients with severe traumatic brain injury. Brain Inj 2017; 31:351-358. [PMID: 28296529 DOI: 10.1080/02699052.2016.1261303] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
OBJECTIVE To study: (i) acute computed tomography (CT) characteristics and clinical outcome; (ii) clinical course and (iii) Corticosteroid Randomisation after Significant Head Injury acute calculator protocol (CRASH) model and clinical outcome in patients with severe traumatic brain injury (sTBI). METHODS Initial CT (CTi) and CT 24 hours post-trauma (CT24) were evaluated according to Marshall and Rotterdam classifications. Rancho Los Amigos Cognitive Scale-Revised (RLAS-R) and Glasgow Outcome Scale Extended (GOSE) were assessed at three months and one year post-trauma. The prognostic value of the CRASH model was evaluated. RESULTS Thirty-seven patients were included. Marshall CTi and CT24 were significantly correlated with RLAS-R at three months. Rotterdam CT24 was significantly correlated with GOSE at three months. RLAS-R and the GOSE improved significantly from three months to one year. CRASH predicted unfavourable outcome at six months for 81% of patients with bad outcome and for 85% of patients with favourable outcome according to GOSE at one year. CONCLUSION Neither CT nor CRASH yielded clinically useful predictions of outcome at one year post-injury. The study showed encouragingly many instances of significant recovery in this population of sTBI. The combination of lack of reliable prognostic indicators and favourable outcomes supports the case for intensive acute management and rehabilitation as the default protocol in the cases of sTBI.
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Affiliation(s)
- Maud Stenberg
- a Department of Community Medicine and Rehabilitation , Rehabilitation Medicine
| | | | - Per Jonasson
- c Department of Radiation Sciences, Diagnostic Radiology , Umeå University , Umeå , Sweden
| | - Richard Levi
- d Department of Rehabilitation Medicine , Linköping University , Linköping , Sweden
| | - Britt-Marie Stålnacke
- a Department of Community Medicine and Rehabilitation , Rehabilitation Medicine.,e Department of Clinical Sciences , Danderyd University Hospital, Division of Rehabilitation Medicine, Karolinska Institutet , Stockholm , Sweden.,f Department of Rehabilitation Medicine , Danderyd Hospital , Stockholm , Sweden
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Morris NA, Cool J, Merkler AE, Kamel H. Subarachnoid Hemorrhage and Long-Term Stroke Risk After Traumatic Brain Injury. Neurohospitalist 2016. [PMID: 28634501 DOI: 10.1177/1941874416675796] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Recent studies suggest that traumatic brain injury (TBI) is a risk factor for subsequent ischemic stroke, even years after the initial insult. The mechanisms of the association remain unclear. The presence of traumatic subarachnoid hemorrhage (tSAH) may mediate the effect of TBI on long-term stroke risk, as it has previously been linked to short-term vasospasm and delayed cerebral ischemia. METHODS Using administrative claims data, we conducted a retrospective cohort study of acute care hospitalizations. Patients discharged with a first-recorded diagnosis of tSAH were followed for a primary diagnosis of stroke. They were matched to patients with TBI but not tSAH. Cox proportional hazards modeling was used to assess the association between tSAH and stroke while adjusting for covariates. RESULTS We identified 40 908 patients with TBI (20 454 patients with tSAH) who were followed for a mean of 4.3 + 1.8 years. A total of 531 had an ischemic stroke after discharge. There was no significant difference in stroke risk between those with tSAH (1.79%; 95% confidence interval [CI] 1.54%-2.08%) versus without tSAH (2.12%; 95% CI 1.83%-2.44%). The same pattern was found in adjusted analyses even when the group was stratified by age-group or by proxies of TBI severity. CONCLUSIONS Our findings do not support a role of tSAH in mediating the association between TBI and protracted stroke risk. Further study is required to elucidate the mechanisms of long-term increased stroke risk after TBI.
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Affiliation(s)
- Nicholas A Morris
- Division of Critical Care Neurology, Department of Neurology, Columbia University Medical Center, New York, NY, USA.,Department of Neurology, Weill Cornell Medical College, New York, NY, USA
| | - Joséphine Cool
- Department of Neurology, Weill Cornell Medical College, New York, NY, USA
| | - Alexander E Merkler
- Division of Critical Care Neurology, Department of Neurology, Columbia University Medical Center, New York, NY, USA.,Department of Neurology, Weill Cornell Medical College, New York, NY, USA
| | - Hooman Kamel
- Department of Neurology, Weill Cornell Medical College, New York, NY, USA.,Feil Family Brain and Mind Research Institute, Weill Cornell Medical College, New York, NY, USA
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Glushakov AV, Arias RA, Tolosano E, Doré S. Age-Dependent Effects of Haptoglobin Deletion in Neurobehavioral and Anatomical Outcomes Following Traumatic Brain Injury. Front Mol Biosci 2016; 3:34. [PMID: 27486583 PMCID: PMC4949397 DOI: 10.3389/fmolb.2016.00034] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Accepted: 07/05/2016] [Indexed: 12/11/2022] Open
Abstract
Cerebral hemorrhages are common features of traumatic brain injury (TBI) and their presence is associated with chronic disabilities. Recent clinical and experimental evidence suggests that haptoglobin (Hp), an endogenous hemoglobin-binding protein most abundant in blood plasma, is involved in the intrinsic molecular defensive mechanism, though its role in TBI is poorly understood. The aim of this study was to investigate the effects of Hp deletion on the anatomical and behavioral outcomes in the controlled cortical impact model using wildtype (WT) C57BL/6 mice and genetically modified mice lacking the Hp gene (Hp(-∕-)) in two age cohorts [2-4 mo-old (young adult) and 7-8 mo-old (older adult)]. The data obtained suggest age-dependent significant effects on behavioral and anatomical TBI outcomes and recovery from injury. Moreover, in the adult cohort, neurological deficits in Hp(-∕-) mice at 24 h were significantly improved compared to WT, whereas there were no significant differences in brain pathology between these genotypes. In contrast, in the older adult cohort, Hp(-∕-) mice had significantly larger lesion volumes compared to WT, but neurological deficits were not significantly different. Immunohistochemistry for ionized calcium-binding adapter molecule 1 (Iba1) and glial fibrillary acidic protein (GFAP) revealed significant differences in microglial and astrocytic reactivity between Hp(-∕-) and WT in selected brain regions of the adult but not the older adult-aged cohort. In conclusion, the data obtained in the study provide clarification on the age-dependent aspects of the intrinsic defensive mechanisms involving Hp that might be involved in complex pathways differentially affecting acute brain trauma outcomes.
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Affiliation(s)
- Alexander V Glushakov
- Department of Anesthesiology, Center for Translational Research in Neurodegenerative Disease, University of Florida College of Medicine Gainesville, FL, USA
| | - Rodrigo A Arias
- Department of Anesthesiology, Center for Translational Research in Neurodegenerative Disease, University of Florida College of Medicine Gainesville, FL, USA
| | - Emanuela Tolosano
- Departments of Molecular Biotechnology and Health Sciences, University of Torino Torino, Italy
| | - Sylvain Doré
- Department of Anesthesiology, Center for Translational Research in Neurodegenerative Disease, University of Florida College of MedicineGainesville, FL, USA; Departments of Anesthesiology, Neurology, Psychiatry, Psychology, Pharmaceutics and Neuroscience, University of Florida College of MedicineGainesville, FL, USA
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Ziegler D, Cravens G, Poche G, Gandhi R, Tellez M. Use of Transcranial Doppler in Patients with Severe Traumatic Brain Injuries. J Neurotrauma 2016; 34:121-127. [PMID: 26913374 DOI: 10.1089/neu.2015.3967] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Severe traumatic brain injuries (TBI) are associated with a high rate of mortality and disability. Transcranial Doppler (TCD) sonography permits a noninvasive measurement of cerebral blood flow. The purpose of this study is to determine the usefulness of TCD in patients with severe TBI. TCD was performed, from April 2008 to April 2013, on 255 patients with severe TBI, defined as a Glasgow Coma Scale score of ≤8 on admission. TCD was performed on hospital days 1, 2, 3, and 7. Hypoperfusion was defined by having two out of three of the following: 1) mean velocity (Vm) of the middle cerebral artery <35 cm/sec, 2) diastolic velocity (Vd) of the middle cerebral artery <20 cm/sec, or 3) pulsatility index (PI) of >1.4. Vasospasm was defined by the following: Vm of the middle cerebral artery >120 cm/sec and/or a Lindegaard index (LI) >3. One hundred fourteen (45%) had normal measurements. Of these, 92 (80.7%) had a good outcome, 6 (5.3%) had moderate disability, and 16 (14%) died, 4 from brain death. Seventy-two patients (28%) had hypoperfusion and 71 (98.6%) died, 65 from brain death, and 1 patient survived with moderate disability. Sixty-nine patients (27%) had vasospasm, 31 (44.9%) had a good outcome, 16 (23.2%) had severe disability, and 22 (31.9%) died, 13 from brain death. The vasospasm was detected on hospital day 1 in 8 patients, on day 2 in 23 patients, on day 3 in 22 patients, and on day 7 in 16 patients. Patients with normal measurements can be expected to survive. Patients with hypoperfusion have a poor prognosis. Patients with vasospasm have a high incidence of mortality and severe disability. TCD is useful in determining early prognosis.
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Affiliation(s)
- Daniel Ziegler
- 1 Department of Surgery, John Peter Smith Hospital , Fort Worth, Texas
| | - George Cravens
- 2 Department of Neurosurgery, John Peter Smith Hospital , Fort Worth, Texas
| | - Gerard Poche
- 2 Department of Neurosurgery, John Peter Smith Hospital , Fort Worth, Texas
| | - Raj Gandhi
- 1 Department of Surgery, John Peter Smith Hospital , Fort Worth, Texas
| | - Mark Tellez
- 1 Department of Surgery, John Peter Smith Hospital , Fort Worth, Texas
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Munakomi S, Bhattarai B, Srinivas B, Cherian I. Role of computed tomography scores and findings to predict early death in patients with traumatic brain injury: A reappraisal in a major tertiary care hospital in Nepal. Surg Neurol Int 2016; 7:23. [PMID: 26981324 PMCID: PMC4774167 DOI: 10.4103/2152-7806.177125] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2015] [Accepted: 01/14/2016] [Indexed: 12/19/2022] Open
Abstract
Background: Glasgow Coma Scale has been a long sought model to classify patients with head injury. However, the major limitation of the score is its assessment in the patients who are either sedated or under the influence of drugs or intubated for airway protection. The rational approach for prognostication of such patients is the utility of scoring system based on the morphological criteria based on radiological imaging. Among the current armamentarium, a scoring system based on computed tomography (CT) imaging holds the greatest promise in conquering our conquest for the same. Methods: We included a total of 634 consecutive neurosurgical trauma patients in this series, who presented with mild-to-severe traumatic brain injury (TBI) from January 2013 to April 2014 at a tertiary care center in rural Nepal. All pertinent medical records (including all available imaging studies) were reviewed by the neurosurgical consultant and the radiologist on call. Patients’ worst CT image scores and their outcome at 30 days were assessed and recorded. We then assessed their independent performance in predicting the mortality and also tried to seek the individual variables that had significant interplay for determining the same. Results: Both imaging score (Marshall) and clinical score (Rotterdam) can be used to reliably predict mortality in patients with acute TBI with high prognostic accuracy. Other specific CT characteristics that can be used to predict early mortality are traumatic subarachnoid hemorrhage, midline shift, and status of the peri-mesencephalic cisterns. Conclusion: We demonstrated in this cohort that though the Marshall score has the high predictive power to determine the mortality, better discrimination could be sought through the application of the Rotterdam score that encompasses various individual CT parameters. We thereby recommend the use of such comprehensive prognostic model so as to augment our predictive power for properly dichotomizing the prognosis of the patients with TBI. In the future, it will therefore be important to develop prognostic models that are applicable for the majority of patients in the world they live in, and not just a privileged few who can use resources not necessarily representative of their societal environment.
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Affiliation(s)
- Sunil Munakomi
- Department of Neurosurgery, College of Medical Sciences, Bharatpur, Nepal
| | - Binod Bhattarai
- Department of Neurosurgery, College of Medical Sciences, Bharatpur, Nepal
| | - Balaji Srinivas
- Department of Neurosurgery, College of Medical Sciences, Bharatpur, Nepal
| | - Iype Cherian
- Department of Neurosurgery, College of Medical Sciences, Bharatpur, Nepal
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A comparative study between Marshall and Rotterdam CT scores in predicting early deaths in patients with traumatic brain injury in a major tertiary care hospital in Nepal. Chin J Traumatol 2016; 19:25-7. [PMID: 27033268 PMCID: PMC4897827 DOI: 10.1016/j.cjtee.2015.12.005] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
PURPOSE CT plays a crucial role in the early assessment of patients with traumatic brain injury (TBI). Marshall and Rotterdam are the mostly used scoring systems, in which CT findings are grouped differently. We sought to determine the values of the scoring system and initial CT findings in predicting the death at hospital discharge (early death) in patients with TBI. METHODS There were consecutive 634 traumatic neurosurgical patients with mild-to-severe TBI admitted to the emergency department of College of Medical Sciences. Their initial CT and status at hospital discharge (dead or alive) were reviewed, and both CT scores were calculated. We examined whether each score is related to early death; compared the two scoring systems' performance in predicting early death, and identified the CT findings that are independent predictors for early death. RESULTS Both imaging score (Marshall) and clinical score (Rotterdam) can be used to reliably predict mortality in patients with acute traumatic brain injury with high prognostic accuracy. Other specific CT characteristics that can be used to predict early mortality are traumatic subarachnoid hemorrhage, midline shift and status of the peri-mesencephalic cisterns. CONCLUSIONS Marshall CT classification has strong predictive power, but greater discrimination can be obtained if the individual CT parameters underlying the CT classification are included in a prognostic model as in Rotterdam score. Consequently, for prognostic purposes, we recommend the use of individual characteristics rather than the CT classification. Performance of CT models for predicting outcome in TBI can be significantly improved by including more details of variables and by adding other variables to the models.
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22
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Huang KT, Abd-El-Barr MM, Dunn IF. Skull Fractures and Structural Brain Injuries. HEAD AND NECK INJURIES IN YOUNG ATHLETES 2016:85-103. [DOI: 10.1007/978-3-319-23549-3_7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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23
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Amyot F, Arciniegas DB, Brazaitis MP, Curley KC, Diaz-Arrastia R, Gandjbakhche A, Herscovitch P, Hinds SR, Manley GT, Pacifico A, Razumovsky A, Riley J, Salzer W, Shih R, Smirniotopoulos JG, Stocker D. A Review of the Effectiveness of Neuroimaging Modalities for the Detection of Traumatic Brain Injury. J Neurotrauma 2015; 32:1693-721. [PMID: 26176603 PMCID: PMC4651019 DOI: 10.1089/neu.2013.3306] [Citation(s) in RCA: 114] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
The incidence of traumatic brain injury (TBI) in the United States was 3.5 million cases in 2009, according to the Centers for Disease Control and Prevention. It is a contributing factor in 30.5% of injury-related deaths among civilians. Additionally, since 2000, more than 260,000 service members were diagnosed with TBI, with the vast majority classified as mild or concussive (76%). The objective assessment of TBI via imaging is a critical research gap, both in the military and civilian communities. In 2011, the Department of Defense (DoD) prepared a congressional report summarizing the effectiveness of seven neuroimaging modalities (computed tomography [CT], magnetic resonance imaging [MRI], transcranial Doppler [TCD], positron emission tomography, single photon emission computed tomography, electrophysiologic techniques [magnetoencephalography and electroencephalography], and functional near-infrared spectroscopy) to assess the spectrum of TBI from concussion to coma. For this report, neuroimaging experts identified the most relevant peer-reviewed publications and assessed the quality of the literature for each of these imaging technique in the clinical and research settings. Although CT, MRI, and TCD were determined to be the most useful modalities in the clinical setting, no single imaging modality proved sufficient for all patients due to the heterogeneity of TBI. All imaging modalities reviewed demonstrated the potential to emerge as part of future clinical care. This paper describes and updates the results of the DoD report and also expands on the use of angiography in patients with TBI.
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Affiliation(s)
- Franck Amyot
- The Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland
- Center for Neuroscience and Regenerative Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - David B. Arciniegas
- Beth K. and Stuart C. Yudofsky Division of Neuropsychiatry, Baylor College of Medicine, Houston, Texas
- Brain Injury Research, TIRR Memorial Hermann, Houston, Texas
| | | | - Kenneth C. Curley
- Combat Casualty Care Directorate (RAD2), U.S. Army Medical Research and Materiel Command, Fort Detrick, Maryland
| | - Ramon Diaz-Arrastia
- Center for Neuroscience and Regenerative Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Amir Gandjbakhche
- The Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland
| | - Peter Herscovitch
- Positron Emission Tomography Department, National Institutes of Health Clinical Center, Bethesda, Maryland
| | - Sidney R. Hinds
- Defense and Veterans Brain Injury Center, Defense Centers of Excellence for Psychological Health and Traumatic Brain Injury Silver Spring, Maryland
| | - Geoffrey T. Manley
- Brain and Spinal Injury Center, Department of Neurological Surgery, University of California, San Francisco, San Francisco, California
| | - Anthony Pacifico
- Congressionally Directed Medical Research Programs, Fort Detrick, Maryland
| | | | - Jason Riley
- Queens University, Kingston, Ontario, Canada
- ArcheOptix Inc., Picton, Ontario, Canada
| | - Wanda Salzer
- Congressionally Directed Medical Research Programs, Fort Detrick, Maryland
| | - Robert Shih
- Walter Reed National Military Medical Center, Bethesda, Maryland
| | - James G. Smirniotopoulos
- Department of Radiology, Neurology, and Biomedical Informatics, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Derek Stocker
- Walter Reed National Military Medical Center, Bethesda, Maryland
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Balinger KJ, Elmously A, Hoey BA, Stehly CD, Stawicki SP, Portner ME. Selective computed tomographic angiography in traumatic subarachnoid hemorrhage: a pilot study. J Surg Res 2015; 199:183-9. [DOI: 10.1016/j.jss.2015.04.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2015] [Revised: 03/04/2015] [Accepted: 04/01/2015] [Indexed: 11/30/2022]
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25
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Hayashi T, Karibe H, Narisawa A, Kameyama M. Delayed Deterioration in Isolated Traumatic Subarachnoid Hemorrhage. World Neurosurg 2015; 86:511.e9-14. [PMID: 26476279 DOI: 10.1016/j.wneu.2015.09.108] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2015] [Revised: 09/28/2015] [Accepted: 09/29/2015] [Indexed: 10/22/2022]
Abstract
BACKGROUND Isolated traumatic subarachnoid hemorrhage (SAH) in association with mild traumatic brain injury is considered to be a less severe finding that is not likely to require surgical intervention. No previous reports have described cases warranting craniotomy for isolated traumatic SAH by itself. CASE DESCRIPTION We report 2 cases of minor head trauma with isolated traumatic SAH that showed delayed clinical deterioration requiring immediate surgical intervention. Initial computed tomography showed isolated traumatic SAH in the basal cistern and Sylvian fissure in both cases. Angiography showed no aneurysmal source. Within 24 hours of each accident, both disturbance of consciousness and hemiparesis deteriorated. Follow-up computed tomography showed formation of intracerebral hematoma adjacent to the Sylvian fissure. Intraoperative findings showed abruption injury of a perforating branch arising from the middle cerebral artery (MCA) as the cause of bleeding. Impact at the time of injury could have caused traction on the MCA in the Sylvian fissure, resulting in abruption of the perforator. CONCLUSIONS Isolated traumatic SAH seen in the basal cistern and Sylvian fissure carries a risk of late deterioration. A possible cause of hematoma expansion is abruption of a perforating branch arising from the MCA at the time of head injury. When hematoma expansion is identified, surgical evacuation of the hematoma is indicated. Surgical evacuation should be safely performed with the knowledge of the point of bleeding in such patients.
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Affiliation(s)
- Toshiaki Hayashi
- Department of Neurosurgery, Sendai City Hospital, Sendai, Miyagi, Japan.
| | - Hiroshi Karibe
- Department of Neurosurgery, Sendai City Hospital, Sendai, Miyagi, Japan
| | - Ayumi Narisawa
- Department of Neurosurgery, Sendai City Hospital, Sendai, Miyagi, Japan
| | - Motomobu Kameyama
- Department of Neurosurgery, Sendai City Hospital, Sendai, Miyagi, Japan
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Hochstadter E, Stewart TC, Alharfi IM, Ranger A, Fraser DD. Subarachnoid hemorrhage prevalence and its association with short-term outcome in pediatric severe traumatic brain injury. Neurocrit Care 2015; 21:505-13. [PMID: 24798696 DOI: 10.1007/s12028-014-9986-7] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
BACKGROUND Subarachnoid hemorrhage (SAH) is an independent prognostic indicator of outcome in adult severe traumatic brain injury (sTBI). There is a paucity of investigations on SAH in pediatric sTBI. The goal of this study was to determine in pediatric sTBI patients SAH prevalence, associated factors, and its relationship to short-term outcome. METHODS We retrospectively analyzed 171 sTBI patients (pre-sedation GCS ≤8 and head MAIS ≥4) who underwent CT head imaging within the first 24 h of hospital admission. Data were analyzed with both univariate and multivariate techniques. RESULTS SAH was found in 42 % of sTBI patients (n = 71/171), and it was more frequently associated with skull fractures, cerebral edema, diffuse axonal injury, contusion, and intraventricular hemorrhage (p < 0.05). Patients with SAH had higher Injury Severity Scores (p = 0.032) and a greater frequency of fixed pupil(s) on admission (p = 0.001). There were no significant differences in etiologies between sTBI patients with and without SAH. Worse disposition occurred in sTBI patients with SAH, including increased mortality (p = 0.009), increased episodes of central diabetes insipidus (p = 0.002), greater infection rates (p = 0.002), and fewer ventilator-free days (p = 0.001). In sTBI survivors, SAH was associated with increased lengths of stay (p < 0.001) and a higher level of care required on discharge (p = 0.004). Despite evidence that SAH is linked to poorer outcomes on univariate analyses, multivariate analysis failed to demonstrate an independent association between SAH and mortality (p = 0.969). CONCLUSION SAH was present in almost half of pediatric sTBI patients, and it was indicative of TBI severity and a higher level of care on discharge. SAH in pediatric patients was not independently associated with increased risk of mortality.
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Zhao H, Wang J, Lu Z, Wu Q, Lv H, Liu H, Gong X. Superficial siderosis of the central nervous system induced by a single-episode of traumatic subarachnoid hemorrhage: a study using MRI-enhanced gradient echo T2 star-weighted angiography. PLoS One 2015; 10:e0116632. [PMID: 25647424 PMCID: PMC4315584 DOI: 10.1371/journal.pone.0116632] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2014] [Accepted: 12/11/2014] [Indexed: 01/14/2023] Open
Abstract
The purpose of this study was to examine whether a single episode of traumatic subarachnoid hemorrhage (tSAH) could cause superficial siderosis of the central nervous system (SS-CNS).This study was approved by the local ethics committee. Thirty-two patients with a history of a single episode of tSAH were enrolled in the study. An episode of tSAH was confirmed in patients based on a CT scan or a lumbar puncture, and a follow-up examination was conducted at least six weeks after the brain trauma. A follow-up MRI examination was performed, using enhanced gradient echo T2 star-weighted angiography (ESWAN) to detect hemosiderin deposition on the cortical surface. The extent to which hemosiderin deposition was associated with several clinical factors was investigated. Various degrees of hemosiderin deposition were detected in 31 of 32 (96.9%) single-episode tSAH patients. Analysis of contingency tables revealed an association between the regions of subarachnoid bleeding based on CT images and the regions of hemosiderin deposition based on ESWAN images (χ2 = 17.73, P<0.05). SS-CNS was determined to be a common consequence after a single episode of tSAH. The extent of hemosiderin deposition is closely correlated with the initial bleeding sites and bleeding volume.
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Affiliation(s)
- Hongwei Zhao
- Department of Radiology, Second Affiliated Hospital of Jiaxing University, Jiaxing, China
- Department of Radiology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Jin Wang
- Department of Neurology, Sir Run Run Shaw Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Zhonglie Lu
- Department of Radiology, Second Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Qingjie Wu
- Department of Radiology, Second Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Haijuan Lv
- Department of Radiology, Second Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Hu Liu
- Department of Radiology, Second Affiliated Hospital of Jiaxing University, Jiaxing, China
| | - Xiangyang Gong
- Department of Radiology, Zhejiang Provincial People's Hospital, Hangzhou, China
- * E-mail:
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Agrawal M, Modi N, Sinha VD. Neurological outcome in patients of traumatic subarachnoid haemorrhage: A study of prognostic factors & role of MRI. INDIAN JOURNAL OF NEUROTRAUMA 2014. [DOI: 10.1016/j.ijnt.2014.02.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Lee JJ, Segar DJ, Asaad WF. Comprehensive assessment of isolated traumatic subarachnoid hemorrhage. J Neurotrauma 2014; 31:595-609. [PMID: 24224706 DOI: 10.1089/neu.2013.3152] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
Abstract
Recent studies have shown that isolated traumatic subarachnoid hemorrhage (tSAH) in the setting of a high Glasgow Coma Scale (GCS) score (13-15) is a relatively less severe finding not likely to require operative neurosurgical intervention. This study sought to provide a more comprehensive assessment of isolated tSAH among patients with any GCS score, and to expand the analysis to examine the potential need for aggressive medical, endovascular, or open surgical interventions in these patients. By undertaking a retrospective review of all patients admitted to our trauma center from 2003-2012, we identified 661 patients with isolated tSAH. Only four patients (0.61%) underwent any sort of aggressive neurosurgical, medical, or endovascular intervention, regardless of GCS score. Most tSAH patients without additional systemic injury were discharged home (68%), including 53% of patients with a GCS score of 3-8. However, older patients were more likely to be discharged to a rehabilitation facility (p<0.01). There were six (1.7%) in-hospital deaths, and five patients of these patients were older than 80 years old. We conclude that isolated tSAH, regardless of admission GCS score, is a less severe intracranial injury that is highly unlikely to require aggressive operative, medical, or endovascular intervention, and is unlikely to be associated with major neurologic morbidity or mortality, except perhaps in elderly patients. Based upon our findings, we argue that impaired consciousness in the setting of isolated tSAH should strongly compel a consideration of non-traumatic factors in the etiology of the altered neurological status.
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Affiliation(s)
- Jonathan J Lee
- 1 Warren Alpert Medical School, Brown University , Providence, Rhode Island
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Armin SS, Colohan ART, Zhang JH. Traumatic subarachnoid hemorrhage: our current understanding and its evolution over the past half century. Neurol Res 2013; 28:445-52. [PMID: 16759448 DOI: 10.1179/016164106x115053] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
Abstract
Traumatic brain injury (TBI) is a common cause of morbidity and mortality in the US, especially among the young. Primary injury in TBI is preventable, whereas secondary injury is treatable. As a result, considerable research efforts have been focused on elucidating the pathophysiology of secondary injury and determining various prognosticators in the hopes of improving final outcome by minimizing secondary injury. One such variable, traumatic subarachnoid hemorrhage (tSAH), has been the focus of many discussions over the past half century as numerous clinical studies have shown tSAH to be associated with adverse outcome. Whether the relationship of tSAH with poorer outcome in TBI is merely an epiphenomenon or a result of direct cause and effect is unclear. Some investigators believe that tSAH is merely a marker of severer TBI, while others argue that it directly causes deleterious effects such as vasospasm and ischemia. At the present time, no proven treatment regimen aimed specifically at decreasing the detrimental effects of tSAH exists, although calcium channel blockers traditionally thought to target vasospasm have shown some promises. Given that tSAH may primarily be an early indicator of associated and evolving brain injury, vigilant diagnostic surveillance including serial head CT and prevention of secondary brain damage owing to hypotension, hypoxia and intracranial hypertension may be more cost-effective than attempting to treat potential adverse sequelae associated with tSAH.
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Affiliation(s)
- Sean S Armin
- Division of Neurosurgery, Loma Linda University Medical Center, CA 92354, USA
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Cerebral vasospasm in traumatic brain injury. Neurol Res Int 2013; 2013:415813. [PMID: 23862062 PMCID: PMC3703898 DOI: 10.1155/2013/415813] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2012] [Accepted: 06/04/2013] [Indexed: 01/13/2023] Open
Abstract
Vasospasm following traumatic brain injury (TBI) may dramatically affect the neurological and functional recovery of a vulnerable patient population. While the reported incidence of traumatic vasospasm ranges from 19%–68%, the true incidence remains unknown due to variability in protocols for its detection. Only 3.9%–16.6% of patients exhibit clinical deficits. Compared to vasospasm resulting from aneurysmal SAH (aSAH), the onset occurs earlier and the duration is shorter. Overall, the clinical course tends to be milder, although extreme cases may occur. Traumatic vasospasm can occur in the absence of subarachnoid hemorrhage. Surveillance transcranial Doppler ultrasonography (TCD) has been utilized to monitor for radiographic vasospasm following TBI. However, effective treatment modalities remain limited. Hypertension and hypervolemia, the mainstays of treatment of vasospasm associated with aSAH, must be used judiciously in TBI patients, and calcium-channel blockers have offered mixed clinical results. Currently, the paucity of large prospective cohort studies and level-one data limits the ability to form evidence-based recommendations regarding the diagnosis and management of vasospasm associated with TBI.
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Jacobs B, Beems T, van der Vliet TM, van Vugt AB, Hoedemaekers C, Horn J, Franschman G, Haitsma I, van der Naalt J, Andriessen TMJC, Borm GF, Vos PE. Outcome Prediction in Moderate and Severe Traumatic Brain Injury: A Focus on Computed Tomography Variables. Neurocrit Care 2012; 19:79-89. [DOI: 10.1007/s12028-012-9795-9] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Irimia A, Wang B, Aylward SR, Prastawa MW, Pace DF, Gerig G, Hovda DA, Kikinis R, Vespa PM, Van Horn JD. Neuroimaging of structural pathology and connectomics in traumatic brain injury: Toward personalized outcome prediction. NEUROIMAGE-CLINICAL 2012; 1:1-17. [PMID: 24179732 PMCID: PMC3757727 DOI: 10.1016/j.nicl.2012.08.002] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/19/2012] [Revised: 08/14/2012] [Accepted: 08/15/2012] [Indexed: 11/01/2022]
Abstract
Recent contributions to the body of knowledge on traumatic brain injury (TBI) favor the view that multimodal neuroimaging using structural and functional magnetic resonance imaging (MRI and fMRI, respectively) as well as diffusion tensor imaging (DTI) has excellent potential to identify novel biomarkers and predictors of TBI outcome. This is particularly the case when such methods are appropriately combined with volumetric/morphometric analysis of brain structures and with the exploration of TBI-related changes in brain network properties at the level of the connectome. In this context, our present review summarizes recent developments on the roles of these two techniques in the search for novel structural neuroimaging biomarkers that have TBI outcome prognostication value. The themes being explored cover notable trends in this area of research, including (1) the role of advanced MRI processing methods in the analysis of structural pathology, (2) the use of brain connectomics and network analysis to identify outcome biomarkers, and (3) the application of multivariate statistics to predict outcome using neuroimaging metrics. The goal of the review is to draw the community's attention to these recent advances on TBI outcome prediction methods and to encourage the development of new methodologies whereby structural neuroimaging can be used to identify biomarkers of TBI outcome.
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Key Words
- 3D, three-dimensional
- AAL, Automatic Anatomical Labeling
- ADC, apparent diffusion coefficient
- ANTS, Advanced Normalization ToolS
- BOLD, blood oxygen level dependent
- CC, corpus callosum
- CT, computed tomography
- DAI, diffuse axonal injury
- DSI, diffusion spectrum imaging
- DTI, diffusion tensor imaging
- DWI, diffusion weighted imaging
- Diffusion tensor
- FA, fractional anisotropy
- FLAIR, Fluid Attenuated Inversion Recovery
- FSE, Functional Status Examination
- GCS, Glasgow Coma Score
- GM, gray matter
- GOS, Glasgow Outcome Score
- GRE, Gradient Recalled Echo
- HARDI, high-angular-resolution diffusion imaging
- IBA, Individual Brain Atlas
- LDA, linear discriminant analysis
- MRI, magnetic resonance imaging
- MRI/fMRI
- NINDS, National Institute of Neurological Disorders and Stroke
- Neuroimaging
- Outcome measures
- PCA, principal component analysis
- PROMO, PROspective MOtion Correction
- SPM, Statistical Parametric Mapping
- SWI, Susceptibility Weighted Imaging
- TBI, traumatic brain injury
- TBSS, tract-based spatial statistics
- Trauma
- WM, white matter
- fMRI, functional magnetic resonance imaging
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Affiliation(s)
- Andrei Irimia
- Laboratory of Neuro Imaging, Department of Neurology, University of California, Los Angeles, CA 90095, USA
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Dynamics of brain tissue changes induced by traumatic brain injury assessed with the Marshall, Morris-Marshall, and the Rotterdam classifications and its impact on outcome in a prostacyclin placebo-controlled study. Acta Neurochir (Wien) 2012; 154:1069-79. [PMID: 22538327 DOI: 10.1007/s00701-012-1345-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2012] [Accepted: 03/27/2012] [Indexed: 12/19/2022]
Abstract
BACKGROUND The present study evaluates the types and dynamics of intracranial pathological changes in patients with severe traumatic brain injury (sTBI) who participated in a prospective, randomized, double-blinded study of add-on treatment with prostacyclin. Further, the changes of brain CT scan and their correlation to Glasgow Coma Scale score (GCS), maximal intracranial pressure (ICP(max)), minimal cerebral perfusion pressure (CPP(min)), and Glasgow Outcome Score (GOS) at 3, 6, and 12 months were studied. METHODS Forty-eight subjects with severe traumatic brain injury were treated according to an ICP-targeted therapy protocol based on the Lund concept with the addition of prostacyclin or placebo. The first available CT scans (CT(i)) and follow-up scans nearest to 24 h (CT(24)) were evaluated using the Marshall, Rotterdam, and Morris-Marshall classifications. RESULTS There was a significant correlation of the initial Marshall, Rotterdam, Morris-Marshall classifications and GOS at 3 and 12 months. The CT(24) Marshall classification did not significantly correlate to GOS while the Rotterdam and the Morris-Marshall classification did. The CT(i) Rotterdam classification predicted outcome evaluated as GOS at 3 and 12 months. Prostacyclin treatment did not influence the dynamic of tissue changes. CONCLUSIONS The Rotterdam classification seems to be appropriate for describing the evolution of the injuries on the CT scans and contributes in predicting of outcome in patients treated with an ICP-targeted therapy. The Morris-Marshall classification can also be used for prognostication of outcome but it describes only the impact of traumatic subarachnoid hemorrhage (tSAH).
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Tu CJ, Liu JS, Song DG, Zhen G, Luo HM, Liu WG, Dong XQ. Maximum thickness of subarachnoid blood is associated with mortality in patients with traumatic subarachnoid haemorrhage. J Int Med Res 2012; 39:1757-65. [PMID: 22117976 DOI: 10.1177/147323001103900518] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
This study was designed to evaluate whether the maximum thickness of subarachnoid blood is an independent prognostic marker of mortality after traumatic subarachnoid haemorrhage. Multivariate analysis showed the maximum thickness of subarachnoid blood was an independent predictor of death versus survival 1 month after injury and was inversely associated with Glasgow Coma Scale (GCS) score. Receiver operating characteristic curve analysis showed that maximum thickness of subarachnoid blood > 6.7 mm immediately after non-surgical resuscitation predicted 1-month mortality with 83.9% sensitivity and 67.1% specificity; its predictive value was similar to that of the GCS score. Addition of maximum thickness of subarachnoid blood to the GCS score did not significantly improve predictive performance. Hence, the maximum thickness of subarachnoid blood is a new independent prognostic marker of mortality and might become an additional, valuable tool for risk stratification and decision making in the acute phase of traumatic subarachnoid haemorrhage.
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Affiliation(s)
- C J Tu
- Department of Neurosurgery, Shaoxing County Central Hospital, Shaoxing, China
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37
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The Association Between Skull Bone Fractures and Outcomes in Patients With Severe Traumatic Brain Injury. ACTA ACUST UNITED AC 2011; 71:1611-4; discussion 1614. [DOI: 10.1097/ta.0b013e31823a8a60] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Shahlaie K, Keachie K, Hutchins IM, Rudisill N, Madden LK, Smith KA, Ko KA, Latchaw RE, Muizelaar JP. Risk factors for posttraumatic vasospasm. J Neurosurg 2011; 115:602-11. [PMID: 21663415 DOI: 10.3171/2011.5.jns101667] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
OBJECT Posttraumatic vasospasm (PTV) is an underrecognized cause of ischemic damage after severe traumatic brain injury (TBI) that independently predicts poor outcome. There are, however, no guidelines for PTV screening and management, partly due to limited understanding of its pathogenesis and risk factors. METHODS A database review of 46 consecutive cases of severe TBI in pediatric and adult patients was conducted to identify risk factors for the development of PTV. Univariate analysis was performed to identify potential risk factors for PTV, which were subsequently analyzed using a multivariate logistic regression model to calculate odds ratios (ORs) and 95% confidence intervals (CIs). RESULTS Fever on admission was an independent risk factor for development of PTV (OR 22.2, 95% CI 1.9-256.8), and patients with hypothermia on admission did not develop clinically significant vasospasm during their hospital stay. The presence of small parenchymal contusions was also an independent risk factor for PTV (OR 7.8, 95% CI 0.9-69.5), whereas the presence of subarachnoid hemorrhage or other patterns of intracranial injury were not. Other variables, such as age, sex, ethnicity, degree of TBI severity, or admission laboratory values, were not independent predictors for the development of clinically significant PTV. CONCLUSIONS Independent risk factors for PTV include parenchymal contusions and fever. These results suggest that diffuse mechanical injury and activation of inflammatory pathways may be underlying mechanisms for the development of PTV, and that a subset of patients with these risk factors may be an appropriate population for aggressive screening. Further studies are needed to determine if treatments targeting fever and inflammation may be effective in reducing the incidence of vasospasm following severe TBI.
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Affiliation(s)
- Kiarash Shahlaie
- Department of Neurological Surgery, University of California Davis School of Medicine, Sacramento, California 95817, USA.
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Wong GKC, Yeung JHH, Graham CA, Zhu XL, Rainer TH, Poon WS. Neurological outcome in patients with traumatic brain injury and its relationship with computed tomography patterns of traumatic subarachnoid hemorrhage. J Neurosurg 2011; 114:1510-5. [DOI: 10.3171/2011.1.jns101102] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Object
Traumatic subarachnoid hemorrhage (SAH) is a poor prognostic factor for traumatic brain injury. The authors aimed to further investigate neurological outcome among head injury patients by examining the prognostic values of CT patterns of traumatic SAH, in particular, the thickness and distribution.
Methods
The study was conducted using a database in a regional trauma center in Hong Kong. Data had been prospectively collected in consecutive trauma patients between January 2006 and December 2008. Patients included in the study had significant head injury (as defined by a head Abbreviated Injury Scale [AIS] score of 2 or more) with traumatic SAH according to admission CT.
Results
Over the 36-month period, 661 patients with significant head injury were admitted to the Prince of Wales Hospital in Hong Kong. Two hundred fourteen patients (32%) had traumatic SAH on admission CT. The mortality rate was significantly greater and a 6-month unfavorable outcome was significantly more frequent in patients with traumatic SAH. Multivariate analysis showed that the maximum thickness (mm) of traumatic SAH was independently associated with neurological outcome (OR 0.8, 95% CI 0.7–0.9) and death (OR 1.3, 95% CI 1.2–1.5) but not with the extent or location of hemorrhage.
Conclusions
Maximum thickness of traumatic SAH was a strong independent prognostic factor for death and clinical outcome. Anatomical distribution per se did not affect clinical outcome.
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Affiliation(s)
| | - Janice H. H. Yeung
- 2Accident and Emergency Medicine Academic Unit, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong
| | - Colin A. Graham
- 2Accident and Emergency Medicine Academic Unit, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong
| | | | - Timothy H. Rainer
- 2Accident and Emergency Medicine Academic Unit, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong
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Sodickson A, Okanobo H, Ledbetter S. Spiral head CT in the evaluation of acute intracranial pathology: a pictorial essay. Emerg Radiol 2010; 18:81-91. [PMID: 20941635 DOI: 10.1007/s10140-010-0914-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2010] [Accepted: 09/28/2010] [Indexed: 11/24/2022]
Abstract
The purpose of this pictorial essay is to review the benefits of spiral head computed tomography (CT) with routine multiplanar reformations in the evaluation of acute intracranial pathology. This technique is particularly useful in trauma patients for detection of skull base or calvarial fractures, thin tentorial subdural hematomas, or for more specific characterization of intracranial hemorrhage. The benefits of multiplanar reformations have been described for a variety of other diagnoses in the chest, abdomen, extremities, and spine, and their routine use continues to grow with the widespread availability of multi-slice CT scanners. In this article, we describe spiral head CT technique with multiplanar reformations as an alternative to the routinely used sequential technique. Subtle findings and lesions aligned predominantly in the axial plane can often be visualized to better advantage with multiplanar reformations. We also address technical factors for optimizing spiral technique.
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Affiliation(s)
- Aaron Sodickson
- Department of Radiology, Brigham and Women's Hospital-Harvard Medical School, 75 Francis St., Boston, MA 02115, USA.
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Nelson DW, Nyström H, MacCallum RM, Thornquist B, Lilja A, Bellander BM, Rudehill A, Wanecek M, Weitzberg E. Extended analysis of early computed tomography scans of traumatic brain injured patients and relations to outcome. J Neurotrauma 2010; 27:51-64. [PMID: 19698072 DOI: 10.1089/neu.2009.0986] [Citation(s) in RCA: 104] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Traumatic brain injury (TBI) is responsible for up to 45% of in-hospital trauma mortality. Computed tomography (CT) is central to acute TBI diagnostics, and millions of brain CT scans are conducted yearly worldwide. Though many studies have addressed individual predictors of outcome from findings on CT scans, few have done so from a multivariate perspective. As these parameters are interrelated in a complex manner, there is a need for a better understanding of them in this context. CT scans from 861 TBI patients were reviewed according to an extensive protocol. An extended analysis of CT parameters with respect to outcome was performed using linear and non-linear methods. We identified complex interactions and mutual information in many of the parameters. Variables predicting death differ from those predicting unfavorable versus favorable outcomes (Glasgow Outcome Scale scores of 1-3 versus 4-5 [GOS]). The most important parameter for prediction of unfavorable outcome is the magnitude of midline shift. In fact, this parameter, as a continuous variable, is by itself a better predictor and is better calibrated than the Marshall CT score, even for predicting death. In addition, hematoma volumes are nearly co-linear with midline shift and can be substituted for it. A score of traumatic subarachnoid/intraventricular blood components adds substantially to model calibration. A CT scoring system geared toward dichotomous GOS scores is suggested. CT parameters were found to add 6-10% additional estimated explained variance in the presence of the important clinical variables of age, Glasgow Coma Scale score, and pupillary response. Finally we present a practical clinical "rule of thumb" to help predict the probability of unfavorable outcome using clinical and CT variables.
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Affiliation(s)
- David W Nelson
- Department of Physiology and Pharmacology, Karolinska Institute, Stockholm, Sweden.
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Zhu GW, Wang F, Liu WG. Classification and prediction of outcome in traumatic brain injury based on computed tomographic imaging. J Int Med Res 2009; 37:983-95. [PMID: 19761680 DOI: 10.1177/147323000903700402] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Traumatic brain injury (TBI) is a common and potentially devastating problem. The classification of TBI is necessary for accurate diagnosis and the prediction of outcomes. The increased use of early sedation, intubation and ventilation in more severely injured patients has decreased the value of the Glasgow Coma Scale for the purposes of classification. An alternative is the classification of TBI according to morphological criteria based on computed tomography (CT) investigations. This article reviews the current classification and prediction of outcomes in TBI based on CT imaging. Classifications based on the presence or absence of intracranial local lesions, diffuse injury, signs of subarachnoid or intra-ventricular haemorrhage and fractures or foreign bodies are considered, and their predictive value is discussed. Future studies should address the complicated issue of how optimally to combine CT characteristics for prognostic purposes and how to improve on currently used CT classifications to predict outcomes more accurately.
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Affiliation(s)
- G W Zhu
- Department of Neurosurgery, Second Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou City, Zhejiang Province, China
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Limbrick DD, Behdad A, Derdeyn CP, Custer PL, Zipfel GJ, Santiago P. Traumatic enucleation with avulsion of the ophthalmic artery resulting in aneurysm-like subarachnoid hemorrhage. J Neurosurg 2009; 111:653-7. [DOI: 10.3171/2009.2.17687] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Traumatic, nonaneurysmal subarachnoid hemorrhage (SAH) is common after closed head injury and most often results from ruptured cortical microvessels. Here, the authors present the case of a 60-year-old woman who fell and struck her head, causing traumatic enucleation and avulsion of both the optic nerve and ophthalmic artery. The arterial avulsion caused a Fisher Grade 3 SAH. During her stay in the intensive care unit, hydrocephalus and vasospasm developed, clinical conditions commonly observed after aneurysmal SAH. Epileptiform activity also developed, although this may have been related to concurrent Pantoea agglomerans ventriculitis. It is reasonable to suggest that intracerebral arterial avulsion with profuse arterial bleeding may be more likely than traditional traumatic SAH to result in clinical events similar to that of aneurysmal SAH. Special consideration should be given to the acute care of patients with intracranial arterial avulsions (conservative management vs surgical exploration or endovascular treatment), as well as long-term follow-up for vascular or other neurosurgical complications.
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Affiliation(s)
| | | | | | - Phillip L. Custer
- 3Ophthalmology, Washington University in St. Louis, School of Medicine, St. Louis, Missouri
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Nahed BV, Ferreira M, Naunheim MR, Kahle KT, Proctor MR, Smith ER. Intracranial vasospasm with subsequent stroke after traumatic subarachnoid hemorrhage in a 22-month-old child. J Neurosurg Pediatr 2009; 3:311-5. [PMID: 19338410 DOI: 10.3171/2008.12.peds08206] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Clinical and radiographic evidence of subarachnoid hemorrhage (SAH)-related vasospasm is rare in children and has not been reported in infants. In this report the authors present the case of a 22-month-old child who developed clinically symptomatic, radiographically identifiable vasospasm after traumatic SAH. To the authors' knowledge, this is the first report of vasospasm associated with SAH in a child this young. This 22-month-old boy fell and had a dense SAH. He had a history of surgically corrected craniosynostosis and nonsymptomatic ventriculomegaly. The boy was evaluated for occult vascular lesions using imaging; none were found and normal vessel caliber was noted. Ten days later, the child developed left-sided weakness and a right middle cerebral artery infarct was identified. Evaluation disclosed significant intracranial vasospasm. This diagnosis was supported by findings on CT angiography, transcranial Doppler ultrasonography, MR imaging, and conventional angiography. The child was treated using intraarterial verapamil with a good result, as well as with conventional intensive care measures to reduce vasospasm. This report documents the first known case of intracranial vasospasm with stroke after SAH in a patient under the age of 2 years. This finding is important because it demonstrates that the entity of SAH-associated vasospasm can affect the very young, widening the spectrum of ages susceptible to this condition. This case is also important because it demonstrates that even very young children can respond to conventional therapeutic interventions such as intraarterial verapamil. Thus, clinicians need to be alert to the possibility of vasospasm as a potential diagnosis when evaluating young children with SAH.
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Affiliation(s)
- Brian V Nahed
- Department of Neurosurgery, Massachusetts General Hospital, USA
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Shahlaie K, Boggan JE, Latchaw RE, Ji C, Muizelaar JP. Posttraumatic vasospasm detected by continuous brain tissue oxygen monitoring: treatment with intraarterial verapamil and balloon angioplasty. Neurocrit Care 2008; 10:61-9. [PMID: 18807219 DOI: 10.1007/s12028-008-9138-z] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2008] [Accepted: 08/14/2008] [Indexed: 11/24/2022]
Abstract
INTRODUCTION Posttraumatic vasospasm (PTV) is a relatively common event following traumatic brain injury (TBI) that has been strongly correlated with worse neurological outcome in many studies. However, vasospasm continues to be an under-recognized source of secondary injury following TBI, and currently published guidelines do not address screening or management strategies for PTV. Brain tissue oxygen (P(bt)O(2)) monitoring probes allow for continuous screening for cerebral hypoxia following TBI, but their use as a monitor for PTV has not been previously described. METHODS Case report and literature review. RESULTS We present a case of PTV identified by persistent low P(bt)O(2) despite aggressive medical therapy. Computed tomography and digital subtraction angiography confirmed severe cerebral arterial vasospasm involving both anterior and posterior circulations. The patient was successfully treated with serial intraarterial therapy including balloon angioplasty and verapamil infusion. CONCLUSION Posttraumatic vasospasm should be included in the differential diagnosis of cerebral hypoxia (e.g., low P(bt)O(2)) following TBI. Management strategies for PTV may include early, aggressive intraarterial therapies including drug infusion and balloon angioplasty.
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Affiliation(s)
- Kiarash Shahlaie
- Department of Neurological Surgery, University of California, Davis Medical Center, Sacramento, CA 95817, USA.
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Tian HL, Xu T, Hu J, Cui YH, Chen H, Zhou LF. Risk factors related to hydrocephalus after traumatic subarachnoid hemorrhage. ACTA ACUST UNITED AC 2008; 69:241-6; discussion 246. [PMID: 17707493 DOI: 10.1016/j.surneu.2007.02.032] [Citation(s) in RCA: 71] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2006] [Accepted: 02/13/2007] [Indexed: 11/16/2022]
Abstract
BACKGROUND Posttraumatic hydrocephalus is a common complication of head injury. However, hydrocephalus after tSAH has seldom been addressed. We present this clinical study to determine the incidence of hydrocephalus and analyze the risk factors for developing hydrocephalus in patients with tSAH. METHODS A consecutive series of 301 patients with tSAH were retrospectively reviewed to determine the effects of the admission GCS score, age, sex, decompressive craniectomy, intraventricular hemorrhage, and features of tSAH (according to the initial computerized tomography scans) on the development of hydrocephalus. Risk factors for hydrocephalus were evaluated by using logistic regression analysis. RESULTS Of the 301 patients, hydrocephalus was observed in 36 (11.96%). Increasing age (P< .05), intraventricular hemorrhage (P< .05), and thickness (P< .01) or distribution (P< .05) of tSAH were significantly associated with the development of hydrocephalus. No relationship was found between hydrocephalus and sex, admission GCS score, location of tSAH, or decompressive craniectomy. CONCLUSION Hydrocephalus frequently occurs in patients with tSAH. Increasing age, low GCS score on admission, intraventricular hemorrhage, and severe SAH could be risk factors for facilitating the development of hydrocephalus.
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Affiliation(s)
- Heng-Li Tian
- Department of Neurosurgery, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, China
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Armin SS, Colohan ART, Zhang JH. Vasospasm in traumatic brain injury. ACTA NEUROCHIRURGICA SUPPLEMENT 2008. [DOI: 10.1007/978-3-211-75718-5_88] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Affiliation(s)
- Michael E Kelly
- Department of Neurosurgery, Stanford University, Stanford, CA 94305-5327, USA
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Bruder N. [Non-aneurysmal subarachnoid haemorrhage]. ANNALES FRANCAISES D'ANESTHESIE ET DE REANIMATION 2007; 26:954-958. [PMID: 17936566 DOI: 10.1016/j.annfar.2007.08.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
A subarachnoid haemorrhage (SAH) is frequent after a severe head injury. Traumatic-SAH is associated with a bad outcome and may induce cerebral vasospasm. There is no agreement on the treatment based on the amount of traumatic-SAH. Non-aneurysmal SAH accounts for 15% of all causes of non-traumatic SAH. There is a risk of cerebral vasospasm, although less frequent than after aneurysmal rupture. The improvement in imaging techniques has decreased the frequency of idiopathic SAH.
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Affiliation(s)
- N Bruder
- Département d'anesthésie-réanimation, CHU de la Timone-Adultes, 264, rue Saint-Pierre, 13385 Marseille cedex, France.
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