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Closed head injury

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https://www.readbyqxmd.com/read/28056179/descriptive-characteristics-of-concussions-in-national-football-league-games-2010-2011-to-2013-2014
#1
Michael D Clark, Breton M Asken, Stephen W Marshall, Kevin M Guskiewicz
BACKGROUND: Despite a high reported incidence rate of concussion, little is known about the on-field characteristics of injurious head impacts in National Football League (NFL) games. PURPOSE: To characterize on-field features (location, player position, and time during game) and biomechanical features (anticipation status, closing distance, impact location and type) associated with concussions in NFL games over a 4-season period (2010-2011 to 2013-2014). STUDY DESIGN: Descriptive epidemiology study...
December 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28049120/luxatio-erecta-humeri-with-neurovascular-compromise-inferior-glenohumeral-dislocation-illustrating-associated-injuries
#2
David Owen, Mithun Nambiar, Peter Moore, Malcolm Thomas
Luxatio erecta humeri (LEH) is a rare type of shoulder dislocation in which the humeral head becomes trapped beneath the glenoid. Patients present with the arm in a fixed hyperabducted position. LEH is estimated to occur in 0.5% of all shoulder dislocations, most often caused by trauma and has a significant association with local bone, ligament and less frequently neurovascular injury. We present a case with initial neurovascular compromise and sustained neurological impairment at long-term follow-up. Urgent closed reduction is advocated and subsequent treatment is dependent on associated injuries...
October 8, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/28048972/astaxanthin-improves-cognitive-performance-in-mice-following-mild-traumatic-brain-injury
#3
Xinran Ji, Dayong Peng, Yiling Zhang, Jun Zhang, Yuning Wang, Yuan Gao, Ning Lu, Peifu Tang
[BACKGROUND]: Traumatic brain injury (TBI) produces lasting neurological deficits that plague patients and physicians. To date, there is no effective method to combat the source of this problem. Here, we utilized a mild, closed head TBI model to determine the modulatory effects of a natural dietary compound, astaxanthin (AST). AST is centrally active following oral administration and is neuroprotective in experimental brain ischemia/stroke and subarachnoid hemorrhage (SAH) models. We examined the effects of oral AST on the long-term neurological functional recovery and histological outcomes following moderate TBI in a mice model...
December 31, 2016: Brain Research
https://www.readbyqxmd.com/read/28040075/results-of-geriatric-distal-radius-fractures-treated-by-intramedullary-fixation
#4
Steffi S I Falk, Thomas Mittlmeier, Georg Gradl
INTRODUCTION: Distal radius fracture are common injuries but no gold standard for their therapy exists. The aim of this study was to evaluate the quality of fracture care in distal radius fractures using an intramedullary implant (Targon DR interlocking nail). The nail had been developed to minimize the surgical exposure, increase fixation strength, to prevent tendon irritations and to allow for a fast return to activity. PATIENTS AND METHODS: Prospective study reports the result of 43 patients with an age over 70 years (range 70-91 years) treated by closed reduction and intramedullary fixation...
December 2016: Injury
https://www.readbyqxmd.com/read/28039347/irreducible-posterolateral-elbow-dislocation-a-rare-injury
#5
Christopher Fenelon, Muhammed M Zafar, Gerard Anthony Sheridan, Stephen Kearns
Posterolateral dislocation of the elbow is an injury commonly treated in the emergency department by closed reduction. Very rarely it can be irreducible and require open reduction. Only four cases of irreducible posterolateral elbow dislocation have been described in the literature over the past 50 years. We report the case of a 20-year-old man who sustained such an injury. Open reduction was performed and revealed the radial head protruding or 'buttonholing' through the lateral collateral ligament complex...
December 30, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/28038986/differential-effects-of-minocycline-on-microglial-activation-and-neurodegeneration-following-closed-head-injury-in-the-neonate-rat
#6
L A Hanlon, R Raghupathi, J W Huh
The role of microglia in the pathophysiology of injury to the developing brain has been extensively studied. In children under the age of 4 who have sustained a traumatic brain injury (TBI), markers of microglial/macrophage activation were increased in the cerebrospinal fluid and were associated with worse neurologic outcome. Minocycline is an antibiotic that decreases microglial/macrophage activation following hypoxic-ischemia in neonatal rodents and TBI in adult rodents thereby reducing neurodegeneration and behavioral deficits...
December 27, 2016: Experimental Neurology
https://www.readbyqxmd.com/read/28030571/multidisciplinary-identification-of-the-controversial-freedom-fighter-j%C3%A3-rg-jenatsch-assassinated-1639-in-chur-switzerland
#7
Martin Haeusler, Cordula Haas, Sandra Lösch, Negahnaz Moghaddam, Igor M Villa, Susan Walsh, Manfred Kayser, Roger Seiler, Frank Ruehli, Manuel Janosa, Christina Papageorgopoulou
Jörg Jenatsch, a leading freedom fighter during the Thirty Year's War in Graubünden, Switzerland, was assassinated on carnival 1639. Jenatsch's controversial biography and the unclear circumstances of his death inspired the formation of various legends, novels and films. In 1959, a skeleton discovered in the cathedral of Chur with remains of wealthy baroque clothing was tentatively attributed to Jenatsch. Here, we reassess the skeleton based on a new exhumation. Our multidisciplinary analysis and the head injuries are consistent with reports of the eyewitnesses of the crime, demonstrating that Jenatsch was killed from behind with a semi-sharp implement, supposedly an axe, as well as by a blow with a broad-surfaced object...
2016: PloS One
https://www.readbyqxmd.com/read/28007867/chest-wall-stabilization-in-ventilator-dependent-traumatic-flail-chest-patients-who-benefits-%C3%A2
#8
Gregor J Kocher, Siamak Sharafi, Luis Filipe Azenha, Ralph A Schmid
OBJECTIVES: Traumatic flail chest is a potentially life threatening injury, often associated with prolonged invasive mechanical ventilation and intensive care unit stay. This study evaluates the usefulness and cost-effectiveness of surgical rib stabilization in patients with flail chest resulting in ventilator dependent respiratory insufficiency. METHODS: A retrospective study on a consecutive series of patients with flail chest with the need for mechanical ventilation was performed...
December 22, 2016: European Journal of Cardio-thoracic Surgery
https://www.readbyqxmd.com/read/28001756/transcranial-red-near-infrared-light-emitting-diode-therapy-to-improve-cognition-in-chronic-traumatic-brain-injury
#9
Margaret A Naeser, Paula I Martin, Michael D Ho, Maxine H Krengel, Yelena Bogdanova, Jeffrey A Knight, Megan K Yee, Ross Zafonte, Judith Frazier, Michael R Hamblin, Bang-Bon Koo
We review the general topic of traumatic brain injury (TBI) and our research utilizing transcranial photobiomodulation (tPBM) to improve cognition in chronic TBI using red/near-infrared (NIR) light-emitting diodes (LEDs) to deliver light to the head. tPBM improves mitochondrial function increasing oxygen consumption, production of adenosine triphosphate (ATP), and improving cellular energy stores. Nitric oxide is released from the cells increasing regional blood flow in the brain. Review of published studies: In our previously published study, 11 chronic TBI patients with closed-head TBI caused by different accidents (motor vehicle accident, sports-related, improvised explosive device blast injury) and exhibiting long-lasting cognitive dysfunction received 18 outpatient treatments (Monday, Wednesday, Friday for 6 weeks) starting at 10 months to 8 years post-TBI...
December 2016: Photomedicine and Laser Surgery
https://www.readbyqxmd.com/read/27991024/-cooperation-between-the-plastic-surgery-and-the-head-neck-surgery-departments-in-the-treatment-of-unusual-cases-veszpr%C3%A3-m-hungary-2010-2015
#10
Zoltán Lóderer, József Piffkó, Károly Somlai, Gábor Bognár, Gábor Sándor
INTRODUCTION: Handling problems in the head and neck region often requires a close cooperation between allied professions, just as in the challenging cases presented by us. Cases and methodology: With the first patient, we performed a radical surgery on the left side of the face due to recidivious basal cell carcinoma, followed by reconstruction using a Type I chimeric anterolateral thigh flap (ALT), while in the case of the second patient, we carried out a radical surgery on the right side of the face due to epithelial carcinoma and reconstruction with a Type I chimeric thoracodorsal flap...
December 2016: Magyar Sebészet
https://www.readbyqxmd.com/read/27941553/the-transcranial-stab-wound-and-the-life-saving-zygomatic-arch-clinical-report
#11
Mohammed Yassaad Oudrhiri, Adil Eabdenbi Tsen, Fatima-Ezzahra Fouadi, Sidi Mamoun Louraoui, Yasser Arkha, Abdessamad El Ouahabi
A 58-year-old man presented to the neurosurgical emergencies for a transzygomatic transcranial stab wound with a retained broken knife. The patient was neurologically intact. After radiographic evaluation the knife was found to be penetrating the temporal lobe, neighboring the intracavernous portion of the carotid artery. The patient was successfully managed in a conservative way. No abnormalities were seen at 12 months of follow-up. Dealing with penetrating head injuries is a usual condition in neurosurgical practice...
December 8, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27923162/comparison-of-different-osmotic-therapies-in-a-mouse-model-of-traumatic-brain-injury
#12
Vinoth K M Khandelwal, Prabhakar Singh, Tatiana Ravingerova, Marslin Gregory, Hardik Gandhi, Manu Chaudhary
BACKGROUND: Inflammation in the affected region, increased intracranial pressure, consequent oedema and congestion contribute to the negative outcome of traumatic brain injury. Osmotic therapies are recommended for improvement in cognitive and motor functions. Aim of the present study was to evaluate the effect of osmotic therapies in a mice model of traumatic brain injury. METHODS: Experimental closed head injury was performed in adult Swiss albino mice by the weight-drop method...
February 2017: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/27918377/utility-of-emergency-department-observation-units-for-neurologically-intact-children-with-head-ct-abnormalities-secondary-to-acute-closed-head-injury
#13
Roxanna Lefort, Jill V Hunter, Andrea T Cruz, A Chantal Caviness, Thomas G Luerssen, Aderonke Adekunle-Ojo
OBJECTIVE: The aim of the study was to evaluate the utility of the emergency department observation unit (EDOU) for neurologically intact children with closed head injuries (CHIs) and computed tomography (CT) abnormalities. METHODS: A retrospective cohort study of children aged 0 to 18 years with acute CHI, abnormal head CT, and a Glasgow Coma Scales score of 14 or higher admitted to the EDOU of a tertiary care children's hospital from 2007 to 2010. Children with multisystem trauma, nonaccidental trauma, and previous neurosurgical or coagulopathic conditions were excluded...
December 1, 2016: Pediatric Emergency Care
https://www.readbyqxmd.com/read/27913924/shear-wave-elastography-reveals-different-degrees-of-passive-and-active-stiffness-of-the-neck-extensor-muscles
#14
Angela V Dieterich, Ricardo J Andrade, Guillaume Le Sant, Deborah Falla, Frank Petzke, François Hug, Antoine Nordez
PURPOSE: The neck extensor muscles contribute to spinal support and posture while performing head and neck motion. Muscle stiffness relates to passive elasticity (support) and active tensioning (posture and movement) of muscle. It was hypothesized that support and motion requirements are reflected in the distribution of stiffness between superficial and deep neck extensor muscles. METHODS: In ten healthy participants, shear modulus (stiffness) of five neck extensor muscles was determined in prone at rest and during isometric head lift at three intensities using shear wave elastography...
December 2, 2016: European Journal of Applied Physiology
https://www.readbyqxmd.com/read/27907932/posttraumatic-cavernous-segment-internal-carotid-artery-aneurysmal-rupture-presenting-as-tentorial-subdural-hematoma
#15
Syamala Shunmugam, Thas Emmanuel, Shyam Duvuru
Traumatic aneurysm rupture following a closed head injury is rare. The rupture of a cavernous internal carotid artery (ICA) aneurysm following a head injury presenting as a tentorial subdural hematoma has not been reported in the literature. We discuss a 50-year-old woman with a closed head injury with her initial computed tomography scan showing a tentorial subdural hematoma. Further investigations revealed the presence of a ruptured cavernous ICA aneurysm. We also conducted a literature review of posttraumatic ICA aneurysmal rupture...
December 1, 2016: Journal of Neurological Surgery. Part A, Central European Neurosurgery
https://www.readbyqxmd.com/read/27902676/dural-sinus-cerebral-venous-thrombosis-in-a-pediatric-trauma-patient-a-rare-complication-after-closed-head-injury
#16
Jonathan Wilcher, Michelle Pannell
OBJECTIVE: Closed head injury rarely predisposes patients, particularly children, to the development of dural sinus thrombosis. In addition, most cases of sinus thrombosis are subacute in nature. The following is a case report of a precipitous course of dural sinus thrombosis after closed head injury in a pediatric trauma patient. DESCRIPTION: A 14-year-old African American girl presented to the emergency department as a trauma activation. She was an unrestrained rear-seat passenger involved in a motor vehicle collision during which she was ejected...
December 2016: Pediatric Emergency Care
https://www.readbyqxmd.com/read/27899434/development-of-cgrp-dependent-pain-and-headache-related-behaviours-in-a-rat-model-of-concussion-implications-for-mechanisms-of-post-traumatic-headache
#17
Dara Bree, Dan Levy
BACKGROUND AND OBJECTIVE: Posttraumatic headache (PTH) is one of the most common, debilitating and difficult symptoms to manage after a mild traumatic brain injury, or concussion. However, the mechanisms underlying PTH remain elusive, in part due to the lack of a clinically relevant animal model. Here, we characterized for the first time, headache and pain-related behaviours in a rat model of concussion evoked by a mild closed head injury (mCHI) - the major type of military and civilian related trauma associated with PTH - and tested responses to current and novel headache therapies...
November 29, 2016: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/27895200/demographics-mechanisms-of-injury-and-concurrent-injuries-associated-with-calcaneus-fractures-a-study-of-14-516-patients-in-the-american-college-of-surgeons-national-trauma-data-bank
#18
Daniel D Bohl, Nathaniel T Ondeck, Andre M Samuel, Pablo J Diaz-Collado, Stephen J Nelson, Bryce A Basques, Michael P Leslie, Jonathan N Grauer
: Background This study uses the American College of Surgeons National Trauma Data Bank (NTDB) to update the field on the demographics, injury mechanisms, and concurrent injuries among a national sample of patients admitted to the hospital department with calcaneus fractures. Methods Patients with calcaneus fractures in the NTDB during 2011-2012 were identified and assessed. Results A total of 14 516 patients with calcaneus fractures were included. The most common comorbidity was hypertension (18%), and more than 90% of fractures occurred via traffic accident (49%) or fall (43%)...
November 28, 2016: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/27884214/neuronal-and-glial-changes-in-the-brain-resulting-from-explosive-blast-in-an-experimental-model
#19
James A Goodrich, Jung H Kim, Robert Situ, Wesley Taylor, Ted Westmoreland, Fu Du, Steven Parks, Geoffrey Ling, Jung Y Hwang, Amedeo Rapuano, Faris A Bandak, Nihal C de Lanerolle
Mild traumatic brain injury (mTBI) is the signature injury in warfighters exposed to explosive blasts. The pathology underlying mTBI is poorly understood, as this condition is rarely fatal and thus postmortem brains are difficult to obtain for neuropathological studies. Here we report on studies of an experimental model with a gyrencephalic brain that is exposed to single and multiple explosive blast pressure waves. To determine injuries to the brain resulting from the primary blast, experimental conditions were controlled to eliminate any secondary or tertiary injury from blasts...
November 24, 2016: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/27854112/large-traumatic-basal-ganglia-hematoma-surgical-treatment-versus-conservative-management
#20
Humain Baharvahdat, Babak Ganjifar, Hamid Etemadrezaie, Ali Gorji
BACKGROUND: Traumatic basal ganglia hematomas (TBGHs) are uncommon events in patients with closed head injuries. The overall prognosis is poor, particularly when large hematoma exists. This study was designed to compare surgical evacuation through transsylvian-transinsular approach with conservative management in large TBGHs. METHODS: Thirty-two patients, admitted between July 2002 and July 2013, with closed head injury and TBGH more than 25 ml were included in this study...
November 17, 2016: Journal of Neurosurgical Sciences
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