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https://www.readbyqxmd.com/read/28718881/identification-of-bodies-by-unique-serial-numbers-on-implanted-medical-devices
#1
Melissa M Blessing, Peter T Lin
Visual identification is the most common identification method used by medical examiners but is not always possible. Alternative methods include X-ray, fingerprint, or DNA comparison, but these methods require additional resources. Comparison of serial numbers on implanted medical devices is a rapid and definitive method of identification. To assess the practicality of using this method, we reviewed 608 consecutive forensic autopsies performed at a regional medical examiner office. Of these, 56 cases required an alternative method of identification due to decomposition (n = 35), gunshot wound (n = 9), blunt trauma (n = 6), or charring (n = 6)...
July 18, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28717964/wound-morphology-in-contact-shots-from-blank-cartridge-handguns-a-study-on-composite-models
#2
Rebecca Pircher, Markus Große Perdekamp, Annette Thierauf-Emberger, Lena Kramer, Stefan Pollak, Dorothee Geisenberger
It is a well-known fact that blank cartridge guns can cause penetrating and even fatal injuries when discharged in contact or at very close ranges. In these cases, the gas jet perforates the skin leaving an entrance wound similar to that from a conventional gun. In order to investigate the wound morphology in contact shots from blank firearms, test shots were fired at composite models of pig skin and gelatin blocks using three different calibre 9-mm blank cartridge handguns (two pistols and one revolver) and two types of ammunition...
July 17, 2017: International Journal of Legal Medicine
https://www.readbyqxmd.com/read/28716518/virtual-animation-of-victim-specific-3d-models-obtained-from-ct-scans-for-forensic-reconstructions-living-and-dead-subjects
#3
C Villa, K B Olsen, S H Hansen
Post-mortem CT scanning (PMCT) has been introduced at several forensic medical institutions many years ago and has proved to be a useful tool. 3D models of bones, skin, internal organs and bullet paths can rapidly be generated using post-processing software. These 3D models reflect the individual physiognomics and can be used to create whole-body 3D virtual animations. In such way, virtual reconstructions of the probable ante-mortem postures of victims can be constructed and contribute to understand the sequence of events...
July 5, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28709823/intracardiac-foreign-body-resulting-from-a%C3%A2-transmediastinal-gunshot-mimics-an-extracardiac-foreign-body-an-image-presentation
#4
Hsun-Yi Fu, Mao Ting, Yi-Chia Wang, Hsi-Yu Yu
A transmediastinal gunshot wound (TMGW) is one of the most severe traumatic injuries, with a high mortality rate. Prompt diagnosis and emergency surgical intervention with or without cardiopulmonary bypass are usually required to save lives. We report a particular case of TMGW in which the computed tomography imaging findings indicated an extracardiac foreign body. However, intraoperative findings revealed an intracardiac foreign body, and urgent cardiopulmonary bypass was performed to remove the foreign body...
July 11, 2017: Journal of the Formosan Medical Association, Taiwan Yi Zhi
https://www.readbyqxmd.com/read/28705774/asia-a-sensory-and-motor-complete-is-not-different-than-asia-b-sensory-incomplete-motor-complete-in-gunshot-related-spinal-cord-injury
#5
Eric McCoy, Nima Eftekhary, Kenneth Nwosu, Dudley Fukunaga, Charles Liu, Kevin Rolfe
Background Context We receive a large number of spinal cord injury (SCI) patients due to penetrating gunshot wounds (GSW) at our national rehabilitation center. Though many patients are labeled American Spinal Injury Association (ASIA) B sensory incomplete due to sensory sparing, especially deep anal pressure, with purported prognostic value, we have not observed a clinical difference from ASIA A completes. We hypothesized that sensory sparing, if meaningful, should reduce the occurrence of pressure ulcers...
July 10, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28700825/chemical-visualization-of-sweat-pores-in-fingerprints-using-go-enhanced-tof-sims
#6
Lesi Cai, Mengchan Xia, Zhaoying Wang, Ya-Bin Zhao, Zhanping Li, Sichun Zhang, Xinrong Zhang
Time-of-flight secondary ion mass spectrometry (TOF-SIMS) has been used in imaging of small molecules (< 500 Da) in fingerprints, such as gunshot residues and illicit drugs. However, identifying and mapping relatively high mass molecules are quite difficult owing to insufficient ion yield of their molecular ions. In this report, Graphene oxide(GO)-enhanced TOF-SIMS was used to detect and image relatively high mass molecules such as poison, alkaloids (> 600 Da) and controlled drugs, antibiotics (> 700 Da) in fingerprints...
July 12, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28697085/humeral-shaft-fracture-intramedullary-nailing
#7
Sanjit R Konda, Hesham Saleh, Nina Fisher, Kenneth A Egol
INTRODUCTION: This video demonstrates the technique of intramedullary nailing for a humeral shaft fracture. METHODS: The patient is a 30-year-old man who sustained a gunshot wound to his right arm. The patient was indicated for humeral nailing given the comminuted nature of the diaphysis and to allow for minimal skin incisions. Other relative indications include soft-tissue compromise about the arm precluding a large surgical exposure. RESULTS: This video presents a case of a comminuted humeral shaft fracture treated with an intramedullary nail...
August 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28697021/injuries-sustained-during-contact-with-law-enforcement-an-analysis-from-us-trauma-centers
#8
Morgan Schellenberg, Kenji Inaba, Jayun Cho, James M Tatum, Galinos Barmparas, Aaron Strumwasser, Daniel Grabo, Cynthia Bir, Alexander Eastman, Demetrios Demetriades
BACKGROUND: Injuries sustained by civilians from interaction with police are a polarizing contemporary sociopolitical issue. Few comprehensive studies have been published using national hospital-based data. The aim of this study was to examine the epidemiology of these injuries to better understand this mechanism of injury. METHODS: Patients entered into the NTDB (01/2007 - 12/2012) with E-codes E970.0-E976.0 (ICD-9-CM), identifying injuries associated with law enforcement in the course of legal action, were enrolled...
July 8, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28697020/good-news-bad-news-an-analysis-of-11-294-gunshot-wounds-gsws-over-two-decades-in-a-single-center
#9
Nathan R Manley, Timothy C Fabian, John P Sharpe, Louis J Magnotti, Martin A Croce
INTRODUCTION: Gun violence is a substantial public health problem accounting for significant physical, psychological and financial costs. While aggregate data sources demonstrate decreasing rates of firearm violence, analyses from individual trauma centers have shown that mortality and injury severity from GSWs are increasing. To evaluate the evolving characteristics of gun violence in our region, we studied all GSWs admitted to our trauma center over a twenty-year period. METHODS: A retrospective analysis of all newly admitted patients with GSWs was performed from 1996 to 2016...
July 8, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28692511/an-unusual-bullet-trajectory-entered-through-the-face-and-ended-up-in-the-neck
#10
Ali Bayram, Altan Kaya, Mehmet Kalkan, Ibrahim Özcan, Cemil Mutlu
The authors describe a case of gunshot injury in a 26-year-old male patient with an unusual bullet trajectory. The bullet had an entry hole just near the right lateral alar cartilage of the nose, and the trajectory descended through the left side of the neck by route of the hard palate, soft palate, and posterior pharyngeal wall, respectively. Surgical removal of the bullet was achieved with neck exploration. Gunshot injuries of the head and neck necessitate a thorough clinical and radiological evaluation due to the possibility of an unusual bullet trajectory...
July 7, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28690961/a-unique-presentation-of-an-intracranial-abscess-secondary-to-retained-projectile-after-debridement-with-dural-closure
#11
Jason Milton, Victor Awuor
Patients with penetrating head trauma with retained projectiles develop intracranial abscesses as a common complication. The most common presentation is a suddenly worsening headache. The most common pathogen identified is staphylococcus. Outcomes are related to adherence of Matson's tenets. This case study details the presentation of a 19-year-old patient that presented to the neurological surgery clinic without neurologic deficits. Further questioning revealed complaints of intermittent diffuse headaches with bilateral upper extremity shock-like sensation for two weeks...
June 9, 2017: Curēus
https://www.readbyqxmd.com/read/28689937/multiple-spontaneous-iliac-and-femoral-arteriovenous-fistulas
#12
Masahiko Fujii, Manabu Sakurai, Kenji Mogi, Anan Nomura, Tomoki Sakata, Yoshiharu Takahara
An arteriovenous fistula in a limb involves an abnormal connection between a limb artery and vein. It can be due to trauma or iatrogenic injury. Traumatic arteriovenous fistulas can be caused by penetrating or gunshot injuries to the limb, while iatrogenic causes include catheter intervention to the groins or open surgery of the inguinal space. By contrast, the occurrence of multiple spontaneous arteriovenous fistulas is rare. We report a case of endovascular therapy for multiple spontaneous arteriovenous fistulas between the iliac artery and the vein, common femoral artery and the vein, superficial artery and the saphenous vein, and deep femoral artery and the vein...
July 6, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28688345/the-use-of-unburned-propellant-powder-for-shooting-distance-determination-part-ii-diphenylamine-reaction
#13
Rolf Hofer, Philipp Wyss
Shooting samples were produced on standard textile pats of six different ammunition types: four ammunitions with exclusively infrared luminescent propellant powder particles, one containing a mixture of luminescent and non-luminescent particles and one with only non-luminescent particles. Unburned propellant powder particles in the gunshot residue (GSR) on the textile of each sample were transferred onto TLC-plates with the aid of an organic solvent. The patterns of the partially and the all-luminescent propellant powder residue on the TLC-plates were visualized in the near infrared wavelength range by the aid of an IR-sensitive camera...
June 27, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28688314/a-study-of-transfer-and-prevalence-of-organic-gunshot-residues
#14
Carmen Hofstetter, Matthieu Maitre, Alison Beavis, Claude P Roux, Céline Weyermann, Anne-Laure Gassner
The main goal of the present study was to determine the amounts and distribution of organic gunshot residues (OGSR) on the shooter's upper body and clothing after discharging a pistol. A preliminary study was also performed to evaluate the prevalence of OGSR in the general population as well as in a police laboratory environment. In the transfer study, results indicated that OGSR are not only transferred to the hand of the shooter, but also to other parts of the upper body. Thus, wrists and forearms also represent interesting targets as they are washed less frequently than hands...
June 19, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28672416/-25-year-old-man-after-a-gunshot-injury-at-the-neck
#15
Marie-Luise Valentin, Christoph Thalhammer
No abstract text is available yet for this article.
July 2017: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28671153/evaluation-of-locked-plate-in-the-osteosynthesis-of-fractures-in-osteoporotic-bones
#16
Muhammad Oboirien, Stephen Patrick Agbo, Lukman Olalekan Ajiboye
BACKGROUND: The use of conventional dynamic compression plates (DCPs) in osteoporotic bones is associated with higher chances of implant failure. The advent and use of locking combi-plates have ensured a stable construct during osteosynthesis of fractures in osteoporotic bones. OBJECTIVES: The study aims to assess the outcome of use of locking combi-plates in the management of fractures in osteoporotic bones in our environment. MATERIALS AND METHODS: Cases of patients with nonunion and localized osteoporosis from January 2014 to December 2014 that were managed with locked combi-plates were reviewed...
July 2017: Annals of African Medicine
https://www.readbyqxmd.com/read/28669874/operative-versus-non-operative-management-of-civilian-gunshot-wounds-to-the-spinal-cord-novel-use-of-the-functional-independence-measure-for-validated-outcomes
#17
Peter T McCunniff, James S Raey, Meredith L Scott, Mary J Roach, Timothy Moore, Heather A Vallier, Michael L Kelly
No abstract text is available yet for this article.
June 29, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28660338/trends-in-analysis-of-gunshot-residue-for-forensic-purposes
#18
REVIEW
Zuzanna Brożek-Mucha
Detection and identification of organic and inorganic components of gunshot residue are well established within forensic chemistry because of highly characteristic and uncommon features of the products of ammunition discharge at the time and place of a shooting incident in comparison to other materials present in daily life of people. Both types of residue play an important role in establishing various circumstances of a shooting crime, though the most vital one concerns the possibility of relating a suspect with the activity of shooting...
June 28, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28648373/economic-assessment-of-wild-bird-mortality-induced-by-the-use-of-lead-gunshot-in-european-wetlands
#19
Alessandro Andreotti, Vittorio Guberti, Riccardo Nardelli, Simone Pirrello, Lorenzo Serra, Stefano Volponi, Rhys E Green
In European wetlands, at least 40 bird species are exposed to the risk of lead poisoning caused by ingestion of spent lead gunshot. Adopting a methodology developed in North America, we estimated that about 700,000 individuals of 16 waterbird species die annually in the European Union (EU) (6.1% of the wintering population) and one million in whole Europe (7.0%) due to acute effects of lead poisoning. Furthermore, threefold more birds suffer sub-lethal effects. We assessed the economic loss due to this lead-induced mortality of these 16 species by calculating the costs of replacing lethally poisoned wild birds by releasing captive-bred ones...
June 22, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28645669/multidisciplinary-approach-to-oral-rehabilitation-with-dental-implants-after-gunshot-injury-a-clinical-report
#20
Lélis Gustavo Nícoli, Suzane Cristina Pigossi, Raphael Ferreira de Souza Bezerra Araújo, Cláudio Marcantonio, Élcio Marcantonio, Élcio Marcantonio
This clinical report describes a multidisciplinary approach to treat a patient with edentulism and a severe anatomic defect in the mandible caused by a gunshot injury by using an implant-fixed complete dental prosthesis. An immediate loading interim implant-fixed complete dental prosthesis in the mandible associated with a maxillary removable complete denture prosthesis was initially provided to restore the intermaxillary relation. Nasal floor elevation and maxillary sinus augmentation were subsequently performed to increase the maxillary bone volume...
June 20, 2017: Journal of Prosthetic Dentistry
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