• Now, new research has revealed that veterans exposed to these types of blasts are still at risk of damage in their brain's white matter - even when symptoms do not present. (foxnews.com)
  • After being exposed to a blast, many military personnel will experience TBI symptoms, such as losing consciousness, blurred vision and headaches, but some veterans will come away from the experience without any clear signs of injury. (foxnews.com)
  • In order to analyze the effects of blasts further, Morey and his team evaluated 45 U.S. veterans who had served in the military since September 2001. (foxnews.com)
  • To create the models, Radovitzky and his students collaborated with David Moore, a neurologist at the Defense and Veterans Brain Injury Center at Walter Reed Army Medical Center, who used magnetic resonance imaging to model features of the head. (healthcanal.com)
  • Blast injuries are common among military personnel and veterans who were exposed to loud sounds during their time in active duty. (hear.com)
  • Characterizing effects of mild traumatic brain injury and posttraumatic stress disorder on balance impairments in blast-exposed servicemembers and Veterans using computerized posturography. (nih.gov)
  • Data were analyzed from a subject pool of 166 combat-exposed SMs and Veterans who had a blast experience within the past 2 yr while deployed. (nih.gov)
  • The results showed that the brain damage in blast-exposed veterans is similar to the brain injuries observed in football players who have sustained repetitive concussive head injuries. (healthcanal.com)
  • Veterans in the mTBI group had experienced one or more blast-related concussions. (frontiersin.org)
  • These findings suggest consideration of routine post-deployment neuroendocrine screening of service members and veterans who have experienced blast-related mTBI and are reporting post-concussive symptoms. (frontiersin.org)
  • This material is based on resources from Department of Veterans Affairs-Post-Deployment Health Services/War Related Illness and Injury Study Center and use of facilities from Veterans Affairs New Jersey Health Care System in East Orange, New Jersey. (annals.org)
  • At least three veterans groups, including the Blinded Veterans Association, are backing the congressional push to - as the letter to DOD and VA states - "get a better understanding of the connection between blast injuries and suicide. (nbcnews.com)
  • The portion of U.S. service members who sustained TBIs increased each year from 2001 to 2011 - with a total of 266,810 brain injuries diagnosed in American troops between 2000 and 2012, according to the Defense and Veterans Brain Injury Center , part of the DOD. (nbcnews.com)
  • Despite the prevalence of blast-related injuries among returning war veterans there are still big gaps in research into long-term effects, according to a newly released study by the National Academy of Science's Institutes of Medicine (IOM). (apta.org)
  • The report also includes 10 recommendations for further study, mostly directed at the US Department of Defense (DOD) and Veterans Administration (VA). The recommendations focus on the need for further research and longitudinal studies as well as analyses of institutional barriers to collaborative studies, and an investigation into biomarkers of blast injury. (apta.org)
  • Veterans exposed to blast TBI suffer concussions and neurological deficits, and are at increased risk for developing chronic neurological disorders including chronic traumatic encephalopathy and Alzheimer's disease (AD). (grantome.com)
  • Rehabilitation of blast-injured Veterans and prevention of chronic neuropathology is an area of medical research in need of intensive investigation because long-term effects of blast TBI are currently unknown and there are no treatments for improving long-term functional recovery after blast TBI. (grantome.com)
  • Collectively, these studies will determine whether blast TBI can accelerate and exacerbated chronic neurodegenerative changes typical of AD and CTE, and will determine the potential value of the proposed functional diagnostic and therapy approaches for their translation into clinical evaluation and treatment of blast-injured Veterans. (grantome.com)
  • Veterans exposed to blast that injures the brain suffer neurological deficits and may be at an increased risk for developing chronic neurodegenerative disorders such as Alzheimer's disease (AD), which is particularly relevant to the aging veteran population. (grantome.com)
  • Army soldiers account for the vast majority of diagnosed TBI cases, and those injuries range from "mild" (a concussion) to "severe. (nbcnews.com)
  • The Saints (9-4) suffered a slew of injuries on Thursday, including running back Alvin Kamara, who left in the first quarter due to a concussion. (blackchristiannews.com)
  • Other New Orleans injuries included safety Kenny Vaccaro (groin), linebacker A.J. Klein (groin), guard Senio Kelemete (concussion) and defensive end Trey Hendrickson (ankle). (blackchristiannews.com)
  • Routine screening for chronic hypopituitarism after blast concussion shows promise for appropriately directing diagnostic and therapeutic decisions that otherwise may remain unconsidered and for markedly facilitating recovery and rehabilitation. (washington.edu)
  • Having data from blast sensors could play "a very, very important role in helping us understand why an individual has negative effects from a concussion," Chiarelli says, "or why an individual develops one of the neurodegenerative diseases that seem connected with concussion, everything from ALS, to Parkinson's to dementia and even Alzheimer's. (wrvo.org)
  • Scientists are especially concerned when these mild blast exposures happen repeatedly--likening them to the repetitive hits endured by boxers and other athletes. (medindia.net)
  • The study showed that the brain injuries observed in mice exposed to blasts - equivalent to battlefield exposures - are identical to the brain injuries suffered by soldiers from military blasts, such as IEDs, when the heads were allowed to move. (healthcanal.com)
  • The majority of exposures were not from improvised explosive devices, as you might expect," says David Borkholder , an engineering professor at the Rochester Institute of Technology and the founder of BlackBox Biometrics, which makes the blast gauges. (wrvo.org)
  • In any blast site, Stanton explained, some illnesses related to chemical exposures -- burning plastics and other materials -- show up much later, sometimes years down the road, in the form of lung problems and even cancer, for example. (cbsnews.com)
  • If the abdominal injuries are severe, there may be vomiting and passage of blood in the urine or stools. (britannica.com)
  • Many times they don't even realize they've been injured, and this is particularly alarming because these injuries have been linked to severe long-term psychiatric and degenerative neurological dysfunction," says Riyi Shi, a professor in the basic medical sciences department and school of biomedical engineering at Purdue University. (theallineed.com)
  • The group, which Car-aval-ho chaired, includ-ed experts from the Army, Marine Corps and Vet-er-ans Affairs Depart-ment, who exam-ined the caus-es, pre-ven-tion, pro-tec-tion, treat-ment and long-term care options for ser-vice mem-bers suf-fer-ing these severe injuries, he added. (globaldefence.net)
  • Car-aval-ho said while severe injuries near-ly dou-bled from 2009 to 2010, mil-i-tary med-i-cine is sav-ing more lives than ever before. (globaldefence.net)
  • That's why we've seen such suc-cess in sur-vival in this war, with severe injuries. (globaldefence.net)
  • And when children suffer severe injuries to their legs and arms, it takes highly specialised knowledge to know where to amputate so that you can factor in future growth. (japandailysun.com)
  • Severe injury may result in irretrievable loss of the function of an organ, massive hemorrhage, or shock. (thefreedictionary.com)
  • Eleven of 26, or 42% of participants with blast concussions were found to have abnormal hormone levels in one or more pituitary axes, a prevalence similar to that found in other forms of TBI. (washington.edu)
  • Brain tissues of rats exposed to blast and to a sham procedure were tested two and 24 hours after the injury.Gene activity patterns, which shifted over time, resembled patterns seen in neurodegenerative diseases, particularly Alzheimer's, Dr. Kochanek noted. (medindia.net)
  • We developed a computational model to simulate the propagation of the blast wave and the interaction of the blast wave with a deforming tissues. (arvojournals.org)
  • In human tissues, the transfer of reflected blast injury through the dense substrates such as muscle and liver into the less dense material of the GI tract and lungs may cause spalling. (crashingpatient.com)
  • The third possible mechanism of primary blast injury is the inertial effect related to the differences in tissue density and speed of the blast wave through the tissues of different densities. (crashingpatient.com)
  • The Computational Anthropomorphic Virtual Experiment Man (CAVEMAN) human body model is being developed to expand the injury analysis capability to both skeletal and soft tissues. (sae.org)
  • High-order explosives (HE) detonation causes the explosive material to change into a highly pressurized gas which travels at supersonic speeds creating a 'blast wave' (over-pressurization shock wave). (wikipedia.org)
  • Since their study only focused on patient outcomes, the researchers still do not know exactly how explosive blasts cause TBI or why some individuals experience symptoms and others do not. (foxnews.com)
  • The Army is also installing 42 vehicles with floor-and seat-mounted accelerometers to measure the effect of blasts on soldiers inside vehicles hit by improvised explosive devices. (medgadget.com)
  • Funded by the Joint Improvised Explosive Device Defeat Organization through the Army Research Office and the ISN, the analysis revealed that although the ACH - as currently designed and deployed - slightly delayed the arrival of the blast wave, it didn't significantly mitigate the wave's effects on brain tissue. (healthcanal.com)
  • The breakthrough study, published today in the journal Science Translational Medicine , finds that the brain injuries suffered by soldiers from improvised explosive devices (IEDs) are due to the head rotation or motion from the blast wind. (healthcanal.com)
  • Thus, despite developments in military protective wear, the blast produced by many improvised explosive devices is associated with closed, as well as open-globe, injuries from fragmentary munitions. (biomedcentral.com)
  • For example, the major ingredient in Composition C-4 (Cyclotrimethylenetrinitramine or RDX [Royal Demolition eXplosive]) can generate an initial pressure of more than 4 million pounds per square inch (4x10E6 PSI).13 These high pressure gases rapidly expand from the original volume and generate a marked pressure wave the blast wave that moves outward in all directions. (crashingpatient.com)
  • The blast wave refers to an intense rise in pressure often called over pressure that is created by the detonation of a high explosive This increase in pressure can be so abrupt that it can shatter materials also known as a shock wave. (crashingpatient.com)
  • Musculoskeletal injuries are particularly common in combat situations where compartment syndromes and traumatic amputations may be a result of improvised explosive devices. (qqmovies.info)
  • Children are not adults in miniature as they suffer unique patterns of injury and research has shown they are disproportionately affected by explosive weapons, Save the Children said. (japandailysun.com)
  • The wounding patterns of blast injuries are well known to any military medic who has served recently on operations, with Improvised Explosive Devices (IEDs) constituting a significant proportion of the casualties on the battlefields of Iraq and Afghanistan. (capriles-urgencias.com)
  • Where one scientist led a century ago, now others follow, seeking to understand the full range of physical consequences of an invisible killer: the blast of a high explosive shock wave. (knowitwall.com)
  • Abstract Improving injury prediction accuracy and fidelity for mounted Warfighters has become an area of focus for the U.S. military in response to improvised explosive device (IED) use in both Iraq and Afghanistan. (sae.org)
  • Raul Radovitzky, an associate professor in MIT's Department of Aeronautics and Astronautics, is among the researchers looking at ways to prevent these injuries. (healthcanal.com)
  • The researchers compared how the brain would respond to the same blast wave simulated in three scenarios: a head with no helmet, a head wearing the ACH, and a head wearing the ACH with a face shield. (healthcanal.com)
  • While researchers can put instruments inside helmets to test and measure the impact of blasts on the helmets, "what is ultimately important is the impact of the blast on the face, skull and brain," he says, noting that the models created by Radovitzky's team help to predict that impact. (healthcanal.com)
  • The Imperial researchers, working with their partners, will firstly address the characteristics of blast injuries in the region so that they can identify when amputations can be avoided and limb salvage procedures conducted. (imperial.ac.uk)
  • The three-year-long study, believed to be the first and only research effort that has clearly identified an injury mechanism from the direct effects of blasts, involved 35 researchers from 14 university research centers, medical schools, hospitals or other centers. (healthcanal.com)
  • Researchers identified early indicators of retinal injury and inflammation that may help detect individuals at risk of visual impairment who would then benefit from more timely treatment. (medicalxpress.com)
  • Two months after twin bomb blast in Maur, 12-year-old Ankush Kumar succumbed to injuries in Ludhiana hospital on early Friday morning. (hindustantimes.com)
  • The local residents and members of the Maur Bomb Blast Virodhi Sangharsh Committee staged a protest keeping Ankush's body in the middle of the road and they insisted they will not hold the last rites of the child till their demands are accepted. (hindustantimes.com)
  • Bomb blast injuries to the ear: the London Bridge incident series. (bmj.com)
  • Twelve patients who were treated for ear injuries at Guy's Hospital following the London Bridge bomb blast in February 1992 were reviewed. (bmj.com)
  • In summary, the ear is very susceptible to bomb blast injury, but there is a high rate of spontaneous closure of perforations and improvement of sensorineural hearing loss and tinnitus. (bmj.com)
  • Oddly, the soldier hadn't been anywhere near a bomb blast. (wrvo.org)
  • Medics are prepared to treat soldiers, and even civilian adults - but its children who are most likely to die if caught in a bomb blast, landmine or artillery strike. (japandailysun.com)
  • pathology, to test the hypothesis that repetitive mild blast injury accelerates the onset and/or aggravates the onset and progression of A? (grantome.com)
  • The structures of the internal ears are most often affected by the blast wave, with perforated ear drums the most common injury. (wikipedia.org)
  • These studies demonstrated that Kevlar protection is effective in protecting internal organs from injury, but that the brain and eyes are still affected by the blast wave. (biomedcentral.com)
  • The Army hopes that the I-BESS (Integrated Blast Effects Sensor Suite) system, which passively collects and manages the data with minimal maintenance by the soldiers, will help identify those with a greater chance for asymptomatic injuries, often in the brain, and improve armor and other mitigation strategies. (medgadget.com)
  • This would be difficult to test in any useful way without using models," says Joseph Rosen, a professor of surgery at the Dartmouth-Hitchcock Medical Center who was not involved in this research but who chaired a Department of Defense science panel that analyzed the impact of blast injuries on wounded soldiers. (healthcanal.com)
  • Eyes on the same side as the blast showed greater abnormalities than eyes on the other side. (medicalxpress.com)
  • WASHINGTON , Sept. 21, 2011 - The Army Sur-geon General's Office released its report yes-ter-day on dis-mount-ed com-plex blast injuries, which more than twice as many ser-vice mem-bers have suf-fered annu-al-ly since the 2009 troop surge in Afghanistan. (globaldefence.net)
  • And that's to say nothing of the gruesome injuries someone can sustain to their genitalia, which many of us who have walked the ground in Afghanistan fear most . (marinecorpstimes.com)
  • Face, neck, and eye protection: adapting body armour to counter the changing patterns of injuries on the battlefield. (semanticscholar.org)
  • It is important that research on blast [injuries] emphasize multisystem injury patterns and seek to understand the clinical importance of cross-system interactions. (apta.org)
  • Despite the effects in the retina, there were no detectable cognitive or motor deficits and no evidence of injury in the striatum or pre-frontal cortex, areas of the brain responsible for motor function. (medicalxpress.com)
  • The twin blasts took place at Maur on January 31 a few seconds after Congress candidate Harminder Singh Jassi's vehicle passed by an abandoned car in which the explosives were kept. (hindustantimes.com)
  • Dr. Fourney, Ulrich Leiste, PhD, assistant research engineer in the Clark School's Department of Aerospace Engineering, and doctoral researcher Jarrod Bonsmann, PhD, developed highly advanced shock absorber designs that incorporate polyurea-coated tubes and other structures to reduce reducing the blast acceleration experienced by vehicle occupants by up to 80 percent. (brightsurf.com)
  • Blast injury is a type of acoustic shock that affects not only your ears but your brain as well. (hear.com)
  • Investigators used a compressed air-driven shock tube system to expose mice to blast wave pressure of 300 kPa (equivalent to 3-times atmospheric pressure) per day for three days. (medicalxpress.com)
  • The Blast Injury Research Coordinating Office (BIRCO) bids farewell to its Director, Mr. Michael Leggieri, who is retiring after more than forty years of civilian and military service. (cdc.gov)
  • This work has important implications for improving outcomes in military blast-induced TBI and might be applicable to causes of civilian TBI, such as car crashes," he said. (brightsurf.com)
  • Modern military conflict has dramatically increased the number of military personnel and civilians exposed to blast wave pressure. (medicalxpress.com)
  • Are brain injuries from IED blasts causing the military suicide crisis? (nbcnews.com)
  • Let's collect more information and maybe the epidemiologists will find a way to unlock some of this mystery: Are military suicides actually more related to the brain injuries? (nbcnews.com)
  • More than 80 percent of those injuries were not deployment-related cases, with many occurring amid crashes of privately owned cars and military vehicles. (nbcnews.com)
  • Military personnel in combat zones are at increased risk for TBI resulting from blast injuries. (cemmlibrary.org)
  • Managing war injury is no longer the exclusive preserve of military surgeons. (bmj.com)
  • It is experienced by almost 70% of military amputees whose limbs were lost as a result of blast injury. (knowitwall.com)
  • The models integrate with unprecedented detail the anatomical features of the head, including the skull, sinuses, cerebrospinal fluid and layers of gray and white matter, as well as the physical characteristics of the blast wave. (healthcanal.com)
  • You will also learn about the three classifications of a blast injury-primary, secondary, tertiary-and their distinctive characteristics. (hear.com)
  • Retinas of blast-pressure-exposed animals displayed several pathological changes, including activation of Muller glia (principal glial cells of the retina), microglial activation, inflammation, and photoreceptor cell death. (medicalxpress.com)
  • The proposed therapy has the potential to improve rehabilitation after blast injury and to reduce the chronic post-injury pathological changes that may confer risk of developing AD later in life. (grantome.com)
  • In an article published in September 2009 in Physical Review Letters , Moss and King found that non-lethal blasts may induce sufficient skull rippling to generate potentially damaging forces in the brain without a head impact. (healthcanal.com)
  • Using numerical hydrodynamic computer simulations, Lawrence Livermore scientists Willy Moss and Michael King, along with University of Rochester colleague Eric Blackman, have discovered that nonlethal blasts can induce enough skull flexure to generate potentially damaging loads in the brain, even without direct head impact. (rxpgnews.com)
  • Solid blast is the effect of a pressure wave that strikes the walls of a contained environment like that of a submarine or tank. (britannica.com)
  • 2. A high-amperage arc can produce a pressure wave blast with a force of up to 1000 pounds. (cdc.gov)
  • The combination of pressure wave and blast wind may weaken structures. (nielsenhayden.com)
  • But the hypothesis is…experts think the energy transmitted from the blast wave gets transferred to the brain tissue and then damages the brain tissue. (foxnews.com)
  • In the experiments reported here the ultrastructural changes seen in lungs from rats exposed to a blast wave impacting on the right side of the chest are described. (nih.gov)
  • In all three simulations, the blast wave struck the person from the front. (healthcanal.com)
  • However, in contrast to the results of a previous study, Radovitzky's team found that the ACH also did not worsen the effects of the blast wave. (healthcanal.com)
  • Typically, a blast injury is more likely if the sound wave lasts for a short amount of time (about 1-2 minutes). (hear.com)
  • In this model, the retina may serve as an area of the central nervous system that is more vulnerable than the brain and, therefore, may be an effective and more sensitive indicator of low-level injury due to blast-wave pressure," noted Dr. Greenlee. (medicalxpress.com)
  • To tackle this puzzle, the team used three-dimensional hydrodynamic simulations to prove that direct action of the blast wave on the head causes skull flexure, producing mechanical loads in brain tissue comparable to those in an injury-inducing impact, even at nonlethal blast pressures as low as 1 bar above atmospheric pressure. (rxpgnews.com)
  • In contrast, a blast wave squeezes the skull, creating pressures as large as an injury-inducing impact and pressure gradients in the brain that are much larger. (rxpgnews.com)
  • The blast wave sweeps over the skull like a rolling pin going over dough, said King, LLNL co-principal investigator. (rxpgnews.com)
  • In the first case, the 1.3 centimeter gap between the webbing and the shell allows the blast wave to wash under the helmet. (rxpgnews.com)
  • In this case, the blast wave is focused by the shape of the helmet and the pressures under the helmet exceed those outside, so the helmet doesn't prevent the rippling deformation of the skull and pressure gradients in the brain. (rxpgnews.com)
  • In the second case, this under wash effect is mostly prevented by the presence of the foam pads, but under blast loading, the pads can become stiffer so that the blast wave-induced motion or deformation of the helmet is transferred to the skull. (rxpgnews.com)
  • We applied the model to evaluate the intraocular pressure and stresses in the tissue structures caused by the blast wave and evaluate the probability risk of injury based on experimental data for blunt impact available in the literature. (arvojournals.org)
  • The blast wave loading may generated significant risk of Corneal Abrasions and Hyphema. (arvojournals.org)
  • The first mechanism of injury usually described as the etiology of primary blast injury is the implosion of gas-filled spaces as the high pressure blast wave compresses them.18,19 This theory states that the organs that are most vulnerable to blast injury are those containing air because the air readily is compressed. (crashingpatient.com)
  • Blast-Induced TBI results from wave propagation from a blast source through the brain. (wikipedia.org)
  • As the wave passes through the skull, cerebrospinal fluid, and through the brain, neurons undergo sequences of tension and compression for the duration of the blast wave. (wikipedia.org)
  • Blast-Induced damage is not localized to a specific region due to its wave nature, and can penetrate deep into the brain before finally subsiding, depending on the blast intensity and proximity. (wikipedia.org)
  • Police say a 92-year-old Washington woman is being treated for life-threatening injuries after she was mauled by dogs. (spokesman.com)
  • In 2016, Watt was only able to play in three games due to a back injury. (yahoo.com)
  • These disorders may persist for years following initial or repeat injuries, degrading the patient's quality of life. (elsevier.com)
  • These changes will be examined in relation to performance on spatial memory and vestibulomotor tasks during the chronic rehabilitation period after blast TBI. (grantome.com)
  • Thirdly, we will determine how chronic sequelae of blast injury, with or without simvastatin intervention, correlate with axonal pathology and changes in brain connectivity (by DTI) and levels of A? (grantome.com)
  • Also, he said the amount of smoke and dust stirred up at a blast site can lead to problems that are more chronic in nature, often respiratory. (cbsnews.com)