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fractures by gun

Gun-Woo Lee, Kyung-Soon Park, Taek-Rim Yoon, Eshnazarov Kamolhuja Eshnazarovich
A femoral neck stress fracture in child is rare, particularly in bilateral case. It is easy to miss initially or may be misdiagnosed. The authors experienced a case of bilateral femoral neck stress fracture in a 10-year-old boy with bilateral hip. The patient was successfully healed by conservative treatment. We report this rare case with a review of the literature. A femoral neck stress fracture should be included in the differential diagnosis in children who present with sustained hip or groin pain.
September 2016: Hip Pelvis
S Könneker, N Krezdorn, P M Vogt, M A Altintas, M T Hiller, R Ipaktchi, C Radtke
Booby traps and gun-like devices for vole control can lead to complex trauma requiring emergency medical care. We present a case series of patients who suffered severe hand and facial trauma through detonation of booby traps and paraphernalia (n = 9, Ø 60 years of age). All patients were admitted to the emergency department of Hannover Medical School for primary care. Between 2011 and 2015 we treated six patients with hand trauma due to gun-like devices, two patients with hand trauma due to booby traps, and one patient with injury to the face including eyes due to a gas cartridge explosion...
October 2016: Der Unfallchirurg
Jae-Sang Oh, Jae-Won Doh, Jai-Joon Shim, Kyeong-Seok Lee, Seok-Mann Yoon, Hack-Gun Bae
OBJECTIVE: Preinjection gelfoam embolization during percutaneous vertebroplasty (PVP) has been thought alternative technique to prevent the leakage of bone cement. The goal of this study was to evaluate whether the gelfoam techniques are useful to reduce bone cement leakage. METHODS: Total 100 PVPs of osteoporotic spine compression fractures were performed by 1 spine surgeon who experienced more than 500 PVP cases under prospective control study. Operation was done in T-L junction (T10-L2) fractures with bi-transpedicular approach...
June 2016: Korean Journal of Spine
D Fan, J W Huang, X L Zeng, Y Li, J C E, J Y Huang, T Sun, K Fezzaa, Z Wang, S N Luo
We develop a mini gas gun system for simultaneous, single-pulse, x-ray diffraction and imaging under high strain-rate loading at the beamline 32-ID of the Advanced Photon Source. In order to increase the reciprocal space covered by a small-area detector, a conventional target chamber is split into two chambers: a narrowed measurement chamber and a relief chamber. The gas gun impact is synchronized with synchrotron x-ray pulses and high-speed cameras. Depending on a camera's capability, multiframe imaging and diffraction can be achieved...
May 2016: Review of Scientific Instruments
G Alexandridis, A C Gunning, L P H Leenen
BACKGROUND: Calcaneal fractures are known to cause a considerable long-term disability; disability influences the public health negatively in terms of personal suffering and monetary losses. Health-related quality of life (HRQoL) in general is influenced by various patient-specific factors, and possibly trauma and fracture characteristics. Previous studies might have underestimated the impact of this injury because of several injury and patient specific exclusion criteria. In this study we provide an overview of the patient characteristics and outcome of patients with a calcaneal fracture in a Dutch level I trauma population...
July 2016: Injury
Jowan G Penn-Barwell, Ian D Sargeant
INTRODUCTION: Surgical treatment of high-energy gun-shot wounds (GSWs) to the extremities is challenging. Recent surgical doctrine states that wound tracts from high-energy GSWs should be laid open, however the experience from previous conflicts suggests that some of these injuries can be managed more conservatively. The aim of this study is to firstly characterise the GSW injuries sustained by UK forces, and secondly test the hypothesis that the likely severity of GSWs can be predicted by features of the wound...
May 2016: Injury
Irene Y T Chang, Derk Joester
Cryo-SEM is a high throughput technique for imaging biological ultrastructure in its most pristine state, i.e. without chemical fixation, embedding, or drying. Freeze fracture is routinely used to prepare internal surfaces for cryo-SEM imaging. However, the propagation of the fracture plane is highly dependent on sample properties, and the resulting surface frequently shows substantial topography, which can complicate image analysis and interpretation. We have developed a broad ion beam milling technique, called cryogenic triple ion gun milling (CryoTIGM™ ['krī-ə-,tīm]), for cryo-planing frozen-hydrated biological specimens...
December 2015: Journal of Structural Biology
D Geisenberger, S Vogt, R Pircher, L Kramer, S Pollak, M Grosse Perdekamp
Pistols, revolvers and blank guns are not only used to discharge cartridges, but also for hits to the victim. In such cases, the blows preferably affect the head and/or the interposed hands protecting the body. The impact is mostly exerted either by the grip of a pistol or the butt of a revolver. In vigorous thrusts inflicted with the muzzle end of the weapon, the edge of the barrel may produce circular punch lesions with central skin flaps roughly corresponding to the bore. As in other kinds of pistol-whipping, the scalp wounds may be associated with fractures of the skull and even with brain contusions...
December 2015: Forensic Science International
Michelle Abghari, Alexa Monroy, Sebastian Schubl, Roy Davidovitch, Kenneth Egol
BACKGROUND: Lower extremity injuries secondary to low-energy gunshot wounds are frequently seen in the civilian populations of urban areas. Although these wounds have fewer complications than high-energy gunshot injuries, the functional and psychological damage is still significant making appropriate timely orthopaedic treatment and follow-up imperative. PURPOSE: The purpose of this study is to present our outcomes in the treatment of low-energy gunshot wounds in a civilian population at an urban, level one trauma center in patients treated by a standard protocol...
2015: Iowa Orthopaedic Journal
David R Jones, David J Chapman, Daniel E Eakins
The dynamic fracture of a body is a late-stage phenomenon typically studied under simplified conditions, in which a sample is deformed under uniform stress and strain rate. This can be produced by evenly loading the inner surface of a cylinder. Due to the axial symmetry, as the cylinder expands the wall is placed into a tensile hoop stress that is uniform around the circumference. While there are various techniques to generate this expansion such as explosives, electromagnetic drive, and existing gas gun techniques they are all limited in the fact that the sample cylinder must be at room temperature...
2015: Journal of Visualized Experiments: JoVE
A Kholeif, W Elnahal, M Gobba
BACKGROUND: 25 January 2011 marks the onset of the Egyptian revolution. Causalities were estimated to be at least 846 moralities and 6000 injuries. The purpose of this study is to document the orthopaedic injuries coming to the tertiary center of Cairo University Hospitals (Kasr Al Ainy) during the climax of the Egyptian revolution and the lessons learnt. MATERIAL AND METHODS: We retrospectively reviewed all hospital admissions in the period of 28 January 2011 till 4th February 2011 due to injuries related to the revolution...
February 2016: European Journal of Trauma and Emergency Surgery: Official Publication of the European Trauma Society
Sabri T Shuker
Interrami intraoral Kirschner wire fixation (IRIF) technique is presented as new conservative successful indirect rigid fixation utilized for the reduction and fixation of edentulous/atrophic mandible fractures. This technique is carried out under local anesthesia without the need for open reduction internal fixation, which can lead to a compromise in the blood supply of fracture region. It is also quicker, easier, requires fewer postoperative visits, and cheaper than small or large bone plate fixations.Five edentulous mandibular fractures, 2 of them atrophic, 2 non-atrophic, and 1 partial edentulous, were successfully treated...
May 2015: Journal of Craniofacial Surgery
Søren Rytter, Morten Homilius
Penetrating injuries caused by cartridge casing are rarely described in the literature. This case report presents a 21-year-old male soldier with a lower extremity injury caused by a heavy machine gun cartridge casing. Physical examination revealed an entrance wound proximal and anterior of his right thigh and there were no exit wound identified. A radiograph of the femur showed the cartridge casing to have travelled caudally into the posterior aspect of the knee. There were no associated fractures or neurovascular injuries...
January 26, 2015: Ugeskrift for Laeger
Takkan Morishima, Godwin G H Choy, Ross W Crawford, Lance J Wilson
PURPOSE: To compare pressures generated by 2 different cement pressurisers at various locations in the proximal femur. METHODS: Two groups of 5 synthetic femurs were used, and 6 pressure sensors were placed in the femur at 20-mm intervals proximally to distally. Cement was filled into the femoral canal retrogradely using a cement gun with either the half-moon pressuriser or the femoral canal pressuriser. Maximum pressures and pressure time integrals (cumulative pressure over time) of the 2 pressurisers were compared...
August 2014: Journal of Orthopaedic Surgery
Markus Große Perdekamp, Matthieu Glardon, Beat P Kneubuehl, Lena Bielefeld, Hadi Nadjem, Stefan Pollak, Rebecca Pircher
In modern medico-legal literature, only a small number of publications deal with fatal injuries from black powder guns. Most of them focus on the morphological features such as intense soot soiling, blast tattooing and burn effects in close-range shots or describe the wound ballistics of spherical lead bullets. Another kind of "unusual" and potentially lethal weapons are handguns destined for firing only blank cartridges such as starter and alarm pistols. The dangerousness of these guns is restricted to very close and contact range shots and results from the gas jet produced by the deflagration of the propellant...
January 2015: International Journal of Legal Medicine
Seung Hun Lee, Moo Il Kang, Seong Hee Ahn, Kyeong-Hye Lim, Gun Eui Lee, Eun-Soon Shin, Jong-Eun Lee, Beom-Jun Kim, Eun-Hee Cho, Sang-Wook Kim, Tae-Ho Kim, Hyun-Ju Kim, Kun-Ho Yoon, Won Chul Lee, Ghi Su Kim, Jung-Min Koh, Shin-Yoon Kim
CONTEXT: Osteoporotic fracture risk is highly heritable, but genome-wide association studies have explained only a small proportion of the heritability to date. Genetic data may improve prediction of fracture risk in osteopenic subjects and assist early intervention and management. OBJECTIVE: To detect common and rare variants in coding and regulatory regions related to osteoporosis-related traits, and to investigate whether genetic profiling improves the prediction of fracture risk...
November 2014: Journal of Clinical Endocrinology and Metabolism
Yin-Yu Chang, Heng-Li Huang, Ya-Chi Chen, Jui-Ting Hsu, Tzong-Ming Shieh, Ming-Tzu Tsai
Tantalum (Ta) is a promising metal for biomedical implants or implant coating for orthopedic and dental applications because of its excellent corrosion resistance, fracture toughness, and biocompatibility. This study synthesizes biocompatible tantalum carbide (TaC) and TaC/amorphous carbon (a-C) coatings with different carbon contents by using a twin-gun magnetron sputtering system to improve their biological properties and explore potential surgical implant or device applications. The carbon content in the deposited coatings was regulated by controlling the magnetron power ratio of the pure graphite and Ta cathodes...
2014: PloS One
Sarathchandra Kodikara, Muditha Kudagama
Among a variety of uncommon firearms of different origin used worldwide, the trap gun used in Sri Lanka is underreported. This is an illegal, locally made, smooth-bore, long-barreled, muzzle-loading firearm with a victim-activated simple trigger mechanism. It is mainly used to protect crops and livestock from the potential harm by wild animals. Trap gun is mounted horizontally on pegs of sticks fixed to the ground. Miscellaneous metal pieces are used as ammunition. A small metal container filled with powdered matchstick heads/firecrackers covered by the striker surface of the matchstick box is used as the percussion cap...
March 2014: American Journal of Forensic Medicine and Pathology
Kazuki Harada, Yasuhiro Itoi, Yoshimasa Kanawaku, Takako Nakatsumi, Jun Kanetake
Injuries by handcrafted firearms are uncommon, and those by handcrafted shotguns are very rare. We present an unusual case of suicide using a handcrafted shotgun and slug. A 73-year-old male, who was a glass-grinding artisan, was found dead at a workshop on the premises of his residence. Autopsy showed a contact shotgun wound to the forehead, which perforated the cranium and caused extensive damage to the brain. The handcrafted shotgun was found in the proximity of the body. The shotgun consisted of metal pipes fixed to the vise and did not take the form of a conventional gun...
March 2014: Legal Medicine
Zoran Golubović, Zoran Vukajinović, Predrag Stojiljković, Ivan Golubović, Aleksandar Visnjić, Zoran Radovanović, Stevo Najman
INTRODUCTION: Tibia fracture caused by high velocity missiles is mostly comminuted and followed by bone defect which makes their healing process extremely difficult and prone to numerous complications. CASE OUTLINE: A 34-year-old male was wounded at close range by a semi-automatic gun missile. He was wounded in the distal area of the left tibia and suffered a massive defect of the bone and soft tissue. After the primary treatment of the wound, the fracture was stabilized with an external fixator type Mitkovic, with convergent orientation of the pins...
September 2013: Srpski Arhiv za Celokupno Lekarstvo
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