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Traumatic head injury

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https://www.readbyqxmd.com/read/28816089/medusa-s-head-the-complement-system-in-traumatic-brain-and-spinal-cord-injury
#1
Francesco Roselli, Ebru Karasu, Clara Volpe, Markus Huber-Lang
Traumatic brain injury (TBI) and Spinal cord injury (SCI) are critical medical conditions and public health problem for which limited therapeutic options are available. Complement cascade is activated after TBI and SCI and the resulting effects have been investigated in gene-knockout and pharmacological models. Multiple experimental studies support a net detrimental role of C3 and C5 activation in the early stages of TBI and SCI. Less firm experimental evidence suggests that, downstream of C3/C5, effector mechanisms including the generation of MAC and direct damage to membranes and neutrophils infiltration may bring about the direct damage of CNS tissue and the enhancement of neuroinflammation...
August 17, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28810268/swallowing-mechanics-associated-with-artificial-airways-bolus-properties-and-penetration-aspiration-status-in-trauma-patients
#2
Angela M Dietsch, Christopher B Rowley, Nancy Pearl Solomon, William G Pearson
Purpose: Artificial airway procedures such as intubation and tracheotomy are common in the treatment of traumatic injuries, and bolus modifications may be implemented to help manage swallowing disorders. This study assessed artificial airway status, bolus properties (volume and viscosity), and the occurrence of laryngeal penetration and/or aspiration in relation to mechanical features of swallowing. Method: Coordinates of anatomical landmarks were extracted at minimum and maximum hyolaryngeal excursion from 228 videofluoroscopic swallowing studies representing 69 traumatically injured U...
August 15, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/28807428/decreased-mortality-in-patients-with-isolated-severe-blunt-traumatic-brain-injury-receiving-higher-plasma-to-packed-red-blood-cells-transfusion-ratios
#3
Tobias Haltmeier, Elizabeth Benjamin, John Peter Gruen, Ira A Shulman, Lydia Lam, Kenji Inaba, Demetrios Demetriades
INTRODUCTION: Higher transfusion ratios of plasma to packed red blood cells (PRBC) and platelets (PLT) to PRBC have been shown to be associated with decreased mortality in major trauma patients. However, little is known about the effect of transfusion ratios on mortality in patients with isolated severe traumatic brain injury (TBI). The aim of this study was to investigate the effect of transfusion ratios on mortality in patients with isolated severe blunt TBI. We hypothesized that higher transfusion ratios of plasma to PRBC and PLT to PRBC are associated with a lower mortality rate in these patients...
August 5, 2017: Injury
https://www.readbyqxmd.com/read/28807194/the-impact-of-glasgow-coma-scale-age-prognosis-score-on-geriatric-traumatic-brain-injury-outcomes
#4
Muhammad Khan, Terence O'Keeffe, Faisal Jehan, Narong Kulvatunyou, Abdullah Kattaa, Lynn Gries, Andrew Tang, Bellal Joseph
BACKGROUND: As the population ages, increasing number of geriatric patients sustain traumatic brain injury (TBI). Communication of accurate prognostic information is crucial for making informed decisions on behalf of such patients. Therefore, the aim of our study was to develop a simple and clinically applicable tool that accurately predicts the prognosis in geriatric TBI patients. METHODS: We performed a 1-y (2011) retrospective analysis of isolated geriatric TBI patients (age ≥65 y, head abbreviated injury score [AIS] ≥ 3, and other body AIS < 3) in the National Trauma Data Bank...
August 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28804609/therapeutic-effects-of-ellagic-acid-on-memory-hippocampus-electrophysiology-deficits-and-elevated-tnf-%C3%AE-level-in-brain-due-to-experimental-traumatic-brain-injury
#5
Shahram Mashhadizadeh, Yaghoub Farbood, Mahin Dianat, Ali Khodadadi, Alireza Sarkaki
OBJECTIVES: Cognitive defects such as learning and memory impairment are amongst the most repetitious sequelae after sever and moderate traumatic brain injury (TBI). It was suggested that ellagic acid (EA), an innate phenol product, display neuroprotective properties against oxidative and inflammatory damages after brain injury. The object of the current study was therapeutic properties of EA on blood-brain barrier (BBB) interruption and elevated content of TNF-α in brain tissue followed by neurologic aftereffects, cognitive and brain electrophysiology deficits as outcomes of diffuse TBI in rat...
April 2017: Iranian Journal of Basic Medical Sciences
https://www.readbyqxmd.com/read/28798925/post-traumatic-dural-sinus-thrombosis-following-epidural-hematoma-literature-review-and-case-report
#6
Lorenzo Pescatori, Maria Pia Tropeano, Cristina Mancarella, Emiliano Prizio, Giorgio Santoro, Maurizio Domenicucci
Dural sinus thrombosis following a head trauma is a rare condition, described in literature along with the lack of consensus regarding diagnosis and management. We present a case of a fifty-year-old man with a head injury and combined supratentorial-subtentorial epidural hematoma who was treated conservatively through the administration of low molecular weight heparin. The diagnosis and management of this condition are discussed based on a literature review. The early diagnosis may prevent potentially treatable poor outcomes...
July 16, 2017: World Journal of Clinical Cases
https://www.readbyqxmd.com/read/28797606/plasma-creatine-kinase-b-correlates-with-injury-severity-and-symptoms-in-professional-boxers
#7
Joseph Kilianski, Sophie Peeters, Jeff Debad, Joseph Mohmed, Steven E Wolf, Joseph P Minei, Ramon Diaz-Arrastia, Joshua W Gatson
INTRODUCTION: Each year in the United States, approximately 1.7 million people sustain a traumatic brain injury (TBI). Of these TBI events, about 75 percent are characterized as being mild brain injuries. Immediately following TBI, a secondary brain damage persists for hours, days, and even months. Previously, detection of neuronal and glial biomarkers have proven to be useful to predict neurological outcomes. Here, we hypothesized that creatine kinase, brain (CKBB) is a sensitive biomarker for acute secondary brain injury in professional boxers...
August 7, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28781898/suicide-by-ingestion-of-caffeine
#8
Frédéric Aknouche, Emilie Guibert, Alison Tessier, Aude Eibel, Pascal Kintz
BACKGROUND: Mr K, aged 48, was found sweating by his partner at home at 11.50 pm. He claimed to have attempted suicide. She immediately called the Emergency Unit to ask for support. At the phone, the physician on duty indicated her to give a pill of Lysanxia (prazepam) to decrease the level of stress of the victim. However, the clinical situation worsened and he was taken to the hospital at 1.00 am. At his arrival at 1.28 am he was in cardiac arrest. Despite intensive resuscitation manoeuvres, death was pronounced at 2...
2017: Egyptian journal of forensic sciences
https://www.readbyqxmd.com/read/28780369/new-method-to-induce-mild-traumatic-brain-injury-in-rodents-produces-differential-outcomes-in-female-and-male-sprague-dawley-rats
#9
Peter Wirth, Waylin Yu, Amanda L Kimball, Jennifer Liao, Paul Berkner, Melissa J Glenn
BACKGROUND: Mild traumatic brain injuries (mTBI) are an increasing health concern due to persistent behavioral and neurological effects. To better understand these effects, researchers frequently rely on animal injury models. Existing models, however, may not adequately reproduce the mechanism of injury as it occurs in humans. NEW METHOD: Our new model for inducing mTBI in rodents entails acceleration of the animal toward a stationary impact zone to produce rapid rotational movement of the head...
August 2, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28774762/epidemiology-of-mild-traumatic-brain-injury-with-intracranial-hemorrhage-focusing-predictive-models-for-neurosurgical-intervention
#10
Alessandro Orlando, A Stewart Levy, Matthew M Carrick, Allen Tanner, Charles W Mains, David Bar-Or
OBJECTIVE: To adumbrate differences in neurosurgical intervention (NI) rates between intracranial hemorrhage (ICH) types in mild traumatic brain injuries (mTBIs), and help identify which ICH types are most likely to benefit from the creation of predictive models for NI. METHODS: This was a multi-center retrospective study of adult patients over three years at four Trauma Centers in the USA. Patients were included if they presented with a mTBI (GCS 13-15) and a head CT positive for ICH...
July 31, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28774508/compliance-with-evidence-based-guidelines-for-computed-tomography-of-children-with-head-and-abdominal-trauma
#11
Ihab Halaweish, Jane Riebe-Rodgers, Amy Randall, Peter F Ehrlich
INTRODUCTION: Recently, two large prospective clinical trials developed and validated prediction rules for children at very low risk for clinically important traumatic brain injuries (ciTBI) or abdominal injury for whom CT is unnecessary. Specific criteria/guidelines were identified which if met would obviate the need for CT scanning. The purpose of this study was to assess compliance at a level one pediatric center with these guidelines as a tool for quality improvement. METHODS: Records of children admitted to our pediatric trauma center one year before and two years after publication of head (Kuppermann '09) and abdominal trauma (Holmes '13) CT imaging guidelines were reviewed...
July 14, 2017: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28770112/anodal-transcranial-direct-current-stimulation-provokes-neuroplasticity-in-repetitive-mild-traumatic-brain-injury-in-rats
#12
Ho Jeong Kim, Soo Jeong Han
Repetitive mild traumatic brain injury (rmTBI) provokes behavioral and cognitive changes. But the study about electrophysiologic findings and managements of rmTBI is limited. In this study, we investigate the effects of anodal transcranial direct current stimulation (tDCS) on rmTBI. Thirty-one Sprague Dawley rats were divided into the following groups: sham, rmTBI, and rmTBI treated by tDCS. Animals received closed head mTBI three consecutive times a day. Anodal tDCS was applied to the left motor cortex. We evaluated the motor-evoked potential (MEP) and the somatosensory-evoked potential (SEP)...
2017: Neural Plasticity
https://www.readbyqxmd.com/read/28768968/isolated-adrenocorticotropic-hormone-deficiency-following-chronic-subdural-hematoma-in-an-elderly-man-is-there-a-connection
#13
Satoshi Suzuki, Keiko Suzuki
The delayed diagnosis of adrenal insufficiency is relatively common because its symptoms are non-specific. One of the causes of adrenal insufficiency is isolated adrenocorticotropic hormone deficiency (IAD), which is sometimes caused by traumatic brain injury. Indeed, severe head trauma is considered to contribute to the incidence of this disease. However, the relationship between milder head trauma-such as chronic subdural hematoma - and the occurrence of hormonal deficiency is uncertain. We herein report the case of a 79-year-old man with IAD who presented with leg edema and pain in his extremities following a recent history of chronic subdural hematoma...
2017: Internal Medicine
https://www.readbyqxmd.com/read/28764996/coagulopathy-as-a-predictor-of-mortality-after-penetrating-traumatic-brain-injury
#14
Lindley E Folkerson, Duncan Sloan, Elizabeth Davis, Ryan S Kitagawa, Bryan A Cotton, John B Holcomb, Jeffrey S Tomasek, Charles E Wade
STUDY HYPOTHESIS: Traumatic brain injury (TBI) is a leading cause of mortality with penetrating TBI (p-TBI) patients having worse outcomes. These patients are more likely to be coagulopathic than blunt TBI (b-TBI) patients, thus we hypothesize that coagulopathy would be an early predictor of mortality. METHODS: We identified highest-level trauma activation patients who underwent an admission head CT and had ICU admission orders from August 2009-May 2013, excluding those with polytrauma and anticoagulant use...
July 5, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28764750/risk-of-head-and-traumatic-brain-injuries-associated-with-antidepressant-use-among-community-dwelling-persons-with-alzheimer-s-disease-a-nationwide-matched-cohort-study
#15
Heidi Taipale, Marjaana Koponen, Antti Tanskanen, Piia Lavikainen, Reijo Sund, Jari Tiihonen, Sirpa Hartikainen, Anna-Maija Tolppanen
BACKGROUND: Antidepressant use has been associated with an increased risk of falling, but no studies have been conducted on whether antidepressant use is associated with an increased risk of head injuries which often result from falling among older persons. The objective of this study was to investigate the risk of head and brain injuries associated with antidepressant use among community-dwelling persons with Alzheimer's disease. METHODS: A matched cohort study was conducted by comparing new antidepressant users (n = 10,910) with two matched nonusers (n = 21,820) in the MEDALZ study cohort...
August 1, 2017: Alzheimer's Research & Therapy
https://www.readbyqxmd.com/read/28761541/post-traumatic-fibrous-dysplasia-of-the-parietal-bone-a-rare-entity
#16
Muhammad Sohail Umerani, Saqib Kamran Bakhshi, Asad Abbas, Salman Sharif, Sidra Arshad
Fibrous dysplasia (FD) is a rare fibro-osseous lesion in which normal bone is replaced by abnormal fibrous tissue. Although a congenital disorder, a single case report of traumatic etiology had been described in the literature. We report a case of monostotic FD of the parietal calvarium in a 21-year-old female patient who presented to us with a single swelling in the parietal region been noticed after head injury sustained at the age of 7 years. After imaging investigations, the lesion was excised via craniotomy followed by cranioplasty in the same sitting...
July 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/28761509/newer-insights-to-pathogenesis-of-traumatic-brain-injury
#17
REVIEW
Sunil Munakomi, Iype Cherian
Traumatic brain injury (TBI) is a silent epidemic and a global burden. However, when it comes to advancement in our quest to managing patients with head injuries, we seem to be making circles rather than moving forward. In this review paper, we focus on the current understandings in the pathogenesis of TBI that may aid us in providing newer avenues in management of the same.
July 2017: Asian Journal of Neurosurgery
https://www.readbyqxmd.com/read/28761433/mild-closed-head-traumatic-brain-injury-induced-changes-in-monoamine-neurotransmitters-in-the-trigeminal-subnuclei-of-a-rat-model-mechanisms-underlying-orofacial-allodynias-and-headache
#18
Golam Mustafa, Jiamei Hou, Rachel Nelson, Shigeharu Tsuda, Mansura Jahan, Naweed S Mohammad, Joseph V Watts, Floyd J Thompson, Prodip Bose
Our recent findings have demonstrated that rodent models of closed head traumatic brain injury exhibit comprehensive evidence of progressive and enduring orofacial allodynias, a hypersensitive pain response induced by non-painful stimulation. These allodynias, tested using thermal hyperalgesia, correlated with changes in several known pain signaling receptors and molecules along the trigeminal pain pathway, especially in the trigeminal nucleus caudalis. This study focused to extend our previous work to investigate the changes in monoamine neurotransmitter immunoreactivity changes in spinal trigeminal nucleus oralis, pars interpolaris and nucleus tractus solitaries following mild to moderate closed head traumatic brain injury, which are related to tactile allodynia, touch-pressure sensitivity, and visceral pain...
June 2017: Neural Regeneration Research
https://www.readbyqxmd.com/read/28756201/multiple-mild-traumatic-brain-injury-in-the-rat-produces-persistent-pathological-alterations-in-the-brain
#19
Diane M Brooks, Sarjubhai A Patel, Eric D Wohlgehagen, Erin O Semmens, Alan Pearce, Edmond A Sorich, Thomas F Rau
Multiple mild traumatic brain injury (mmTBI), in certain cases, produces persistent symptoms. However, the molecular mechanisms underlying these symptoms remain unclear. Here, we demonstrate extended pathological changes in the rat brain following mmTBI. Using the lateral fluid percussion (LFP) technique we exposed adult male Wistar rats to a mild TBI (mTBI) once a week for four weeks and compared them to surgical shams. At 90days following the last TBI or sham procedure the animals were cognitively tested in the Morris Water Maze (MWM), euthanized, and the brains removed for immunohistochemistry...
July 27, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28753688/the-role-of-neck-muscle-activities-on-the-risk-of-mild-traumatic-brain-injury-in-american-football
#20
Xin Jin, Zhaoying Feng, Valerie Mika, Haiyan Li, David C Viano, King H Yang
Concussion, or mild traumatic brain injury (mTBI), is frequently associated with sports activities. It has generally been accepted that neck strengthening exercises are effective as a preventive strategy for reducing sports-related concussion risks. However, the interpretation of the link between neck strength and concussion risks remains unclear. In this study, a typical helmeted head-to-head impact in American football was simulated using the head and neck complex finite element (FE) model. The impact scenario selected was previously reported in lab-controlled incident reconstructions from high-speed video footages of the National Football League using two head-neck complexes taken from Hybrid III dummies...
October 1, 2017: Journal of Biomechanical Engineering
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