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https://www.readbyqxmd.com/read/28087409/thioredoxin-a-novel-biomarker-of-post-injury-sepsis
#1
Jesper Eriksson, Andreas Gidlöf, Mikael Eriksson, Emma Larsson, Olof Brattström, Anders Oldner
BACKGROUND: Thioredoxin (TRX), an endogenous anti-oxidant protein induced in inflammatory conditions, has been shown to increase in plasma and to be associated with outcome in septic patients. This biomarker has never been studied in a trauma setting. We hypothesized that TRX would be increased after trauma and associated with post-injury sepsis. METHODS: Single-centre prospective observational study conducted at the intensive care unit (ICU) at the Karolinska University Hospital, Stockholm, Sweden, a level-1 trauma centre...
January 10, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28077713/reversible-disruption-of-neuronal-mitochondria-by-ischemic-and-traumatic-injury-revealed-by-quantitative-two-photon-imaging-in-the-neocortex-of-anesthetized-mice
#2
Mikhail Kislin, Jeremy Sword, Ioulia V Fomitcheva, Deborah Croom, Evgeny Pryazhnikov, Eero Lihavainen, Dmytro Toptunov, Heikki Rauvala, Andre S Ribeiro, Leonard Khiroug, Sergei A Kirov
: Mitochondria play a variety of functional roles in cortical neurons, from metabolic support and neuroprotection to the release of cytokines that trigger apoptosis. In dendrites, mitochondrial structure is closely linked to their function, and fragmentation (fission) of the normally elongated mitochondria indicates loss of their function under pathological conditions, such as stroke and brain trauma. Using in vivo two-photon microscopy in mouse brain, we quantified mitochondrial fragmentation in a full spectrum of cortical injuries, ranging from severe to mild...
January 11, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28075618/rodent-models-of-glaucoma-and-their-applicability-for-drug-discovery
#3
Renu Agarwal, Puneet Agarwal
Rodents have widely been used to represent glaucomatous changes both in the presence and absence of elevated intraocular pressure (IOP) as they offer clear advantages over other animal species. IOP elevation is commonly achieved by creating an obstruction in the aqueous outflow pathways, consequently leading to retinal ganglion cell (RGCs) and optic nerve (ON) damage, the hallmark of glaucoma. These changes may also be achieved in the absence of elevated IOP by directly inflicting injury to retina or ON. Areas covered: This paper presents a summary of currently used rodent models of glaucoma...
January 11, 2017: Expert Opinion on Drug Discovery
https://www.readbyqxmd.com/read/28066905/implications-of-genital-mutilation-at-autopsy
#4
Roger W Byard
Given the potential significance of mutilation of the external genitalia in medicolegal fatalities, a review of the literature was undertaken to identify subcategories. Such mutilations may have been sustained sometime before death, around the time of death, or after death. The most common type of ante mortem genital mutilations involves cultural practices such as male circumcision. Less common male mutilations such as subincisions are tribally based. Female genital mutilation is found particularly in African, Middle Eastern, or Asian populations...
January 9, 2017: Journal of Forensic Sciences
https://www.readbyqxmd.com/read/28065425/clinical-outcome-of-patients-with-self-inflicted-burns
#5
P A Cornet, A S Niemeijer, G D Figaroa, M A van Daalen, T W Broersma, M E van Baar, G I J M Beerthuizen, M K Nieuwenhuis
INTRODUCTION: Patients with self-inflicted burns (SIB) are thought to have a longer length of stay compared to patients with accidental burns. However, other predictors for a longer length of stay are often not taken into account, e.g. percentage of the body surface area burned, age or comorbidities. Therefore, we wanted to study the outcome of patients with SIB at our burn center. METHODS: A retrospective, observational study was conducted. All adult patients with acute burns admitted to the burn center of the Martini Hospital Groningen, between January 1, 2009 and December 31, 2013 were included...
January 5, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28063602/imaging-and-reporting-considerations-for-suspected-physical-abuse-non-accidental-injury-in-infants-and-young-children-part-1-initial-considerations-and-appendicular-skeleton
#6
REVIEW
M Paddock, A Sprigg, A C Offiah
Recognising the skeletal manifestations of inflicted injury (II) in infants and young children is of crucial importance. There are specific fracture patterns which are highly suspicious of II in addition to common differential diagnoses with which radiologists should be familiar. Our objective is to provide a non-exhaustive review of the important factors relevant to the imaging and reporting of II as a platform for further learning. Part 1 encompasses important initial considerations and fracture patterns of the appendicular skeleton...
January 4, 2017: Clinical Radiology
https://www.readbyqxmd.com/read/28043300/-influences-of-exendin-4-on-the-secretion-function-of-islet-beta-cells-from-rats-in-the-early-stage-of-severe-scald
#7
D X Zhao, L Ma, Z A Shen, D W Li, Y R Shang, K Yin, W F Cheng, X Wang, Z X Liu
Objective: To observe the secretion function changes of islet beta cells isolated from rats in the early stage of severe scald, and to explore the influence of them. Methods: Thirty-six Wistar rats were divided into sham injury (SI) group, sham injury+ exendin-4 (SIE) group, scald (S) group, and scald+ exendin-4 (SE) group according to the random number table, with 9 rats in each group. Rats in groups S and SE were inflicted with 50% total body surface area full-thickness scald by a 12-s immersion of back and a 6-s immersion of abdomen in 94 ℃ hot water...
December 20, 2016: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28043294/-effects-of-huanglian-ointment-on-wound-healing-of-mice-with-full-thickness-skin-defect-and-the-related-mechanism
#8
X F Zhang, G F Sun, Y F Chen, J Y Ma, C F Gao, X Sheng, D X Feng
Objective: To observe the effects of Huanglian ointment on wound healing of mice with full-thickness skin defect, and to explore the related mechanism. Methods: Thirty male C57BL/6J mice were divided into Huanglian ointment group and vehicle group according to the random number table after round wounds of full-thickness skin defect with diameter of 7.5 mm were inflicted on the back of each mouse, with 15 mice in each group. Wounds of mice in Huanglian ointment group and vehicle group were treated with Huanglian ointment and vehicle respectively from post injury day (PID) 1 on, 2 times each day...
December 20, 2016: Zhonghua Shao Shang za Zhi, Zhonghua Shaoshang Zazhi, Chinese Journal of Burns
https://www.readbyqxmd.com/read/28040576/a-short-term-longitudinal-examination-of-the-relations-between-depression-anhedonia-and-self-injurious-thoughts-and-behaviors-in-adults-with-a-history-of-self-injury
#9
Melissa J Zielinski, Jennifer C Veilleux, E Samuel Winer, Michael R Nadorff
BACKGROUND: Limited research has addressed the role of anhedonia in predicting suicidality and/or nonsuicidal self-injury (NSSI) in adults, despite evidence suggesting that loss of interest or pleasure may increase vulnerability for self-inflicted harm, even beyond other depressive symptoms. METHODS: In the current study, we explored the role of symptoms of depression and recent changes in anhedonia in predicting suicidality, NSSI ideation, and perceptions of NSSI helpfulness among individuals with a history of NSSI or suicide attempts (N=187)...
December 7, 2016: Comprehensive Psychiatry
https://www.readbyqxmd.com/read/28027778/imaging-and-reporting-considerations-for-suspected-physical-abuse-non-accidental-injury-in-infants-and-young-children-part-2-axial-skeleton-and-differential-diagnoses
#10
REVIEW
M Paddock, A Sprigg, A C Offiah
Recognising the skeletal manifestations of inflicted injury (II) in infants and young children is of crucial importance. There are specific fracture patterns which are highly suspicious of II in addition to common differential diagnoses with which radiologists should be familiar. Our objective is to provide a non-exhaustive review of the important factors relevant to the imaging and reporting of II as a platform for further learning. Part 2 encompasses fracture patterns of the axial skeleton and important differential diagnoses...
December 24, 2016: Clinical Radiology
https://www.readbyqxmd.com/read/28025219/tillage-reduces-survival-of-grape-berry-moth-lepidoptera-tortricidae-via-burial-rather-than-mechanical-injury
#11
Jason M Matlock, Rufus Isaacs, Matthew Grieshop
The grape berry moth, Paralobesia viteana (Clemens), is a key pest of vineyards in eastern North America that overwinters as pupae in leaf litter on the vineyard floor. This presents an opportunity for tillage to disturb and bury the pupae, providing a potential nonchemical approach to control of this pest. Using a Lilleston-style rotary cultivator, we determined the distribution of pupae within the soil profile after single tillage passes, measured the type and severity of damage inflicted on pupae, and investigated how these effects on pupae influenced their survival...
December 26, 2016: Environmental Entomology
https://www.readbyqxmd.com/read/28009699/a-6-year-case-control-study-of-the-presentation-and-clinical-sequelae-for-noninflicted-negligent-and-inflicted-pediatric-burns
#12
Zachary J Collier, Veena Ramaiah, Jill C Glick, Lawrence J Gottlieb
Inflicted burns are one of the leading causes of abuse-related fatalities in children. Between 30 and 60% of children accidentally returned to abusive homes suffer reabuse. Given the high chance for abuse recurrence and the associated morbidity/mortality, it is critical that inflicted burns are promptly identified to guide appropriate medical and child welfare management. Although previous studies proposed historical and mechanistic features using noncomparative or poorly powered data, this study utilized comparative data from a 6-year period (2009-2014) at a certified burn center along with expert analysis from Child Advocacy and Protective Services (CAPS) to provide higher level evidence supporting classical findings while elucidating new features with respect to burn severity and required interventions...
January 2017: Journal of Burn Care & Research: Official Publication of the American Burn Association
https://www.readbyqxmd.com/read/28009694/can-emergency-department-hospital-discharge-and-death-data-be-used-to-monitor-burden-of-drug-overdose-in-rhode-island
#13
Yongwen Jiang, James V McDonald, Jennifer Koziol, Meghan McCormick, Samara Viner-Brown, Nicole Alexander-Scott
CONTEXT: Drug overdoses are a growing public health problem in the United States. Rhode Island is also confronted with a serious epidemic of drug overdose deaths and ranks sixth worst in the United States for age-adjusted drug overdose death rate. OBJECTIVE: To monitor trends of drug overdose-related emergency department (ED) visits, hospitalizations, and deaths and classify the drug overdoses by demographics, discharge status, intent, and specific drug involved to plan for health care resource allocation, mental health services, drug abuse treatment, prevention, and policies...
December 22, 2016: Journal of Public Health Management and Practice: JPHMP
https://www.readbyqxmd.com/read/28003228/missing-the-point-self-inflicted-traumatic-brain-injury-in-psychosis
#14
Phelan E Maruca-Sullivan, Matthew N Goldenberg, David C Cone, Justine Ciarleglio
A 36-year-old man was brought to the emergency department by emergency medical services after being found acting unusually at a gas station with blood on his head and clothing. He presented acutely psychotic and reported that he had a pen in his head. Medical evaluation was notable for a superficial puncture wound to the right temple, and he was medically cleared for psychiatric evaluation. After he developed nausea and headache later that evening, the CT scan revealed a temporal bone fracture, pneumocephalus, intraparenchymal haemorrhage and the presence of a metal pen tip lodged in the brain parenchyma...
December 21, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27993357/amputation-not-a-failure-for-severe-lower-extremity-combat-injury
#15
Thijs T C F van Dongen, Eelco P Huizinga, Loes G M de Kruijff, Arie C van der Krans, Jochem M Hoogendoorn, Luke P H Leenen, Rigo Hoencamp
INTRODUCTION: The use of improvised explosive devices is a frequent method of insurgents to inflict harm on deployed military personnel. Consequently, lower extremity injuries make up the majority of combat related trauma. The wounding pattern of an explosion is not often encountered in a civilian population and can lead to substantial disability. It is therefore important to study the impact of these lower extremity injuries and their treatment (limb salvage versus amputation) on functional outcome and quality of life...
December 10, 2016: Injury
https://www.readbyqxmd.com/read/27956131/annexin-a2-is-involved-in-ca-2-dependent-plasma-membrane-repair-in-primary-human-endothelial-cells
#16
Sophia Nina Koerdt, Volker Gerke
Many cells in an organism are exposed to constant and acute mechanical stress that can induce plasma membrane injuries. These plasma membrane wounds have to be resealed rapidly to guarantee cell survival. Plasma membrane resealing in response to mechanical strain has been studied in some detail in muscle, where it is required for efficient recovery after insult. However, less is known about the capacity of other cell types and tissues to perform membrane repair and the underlying molecular mechanisms. Here we show that vascular endothelial cells, which are subject to profound mechanical burden, can reseal plasma membrane holes inflicted by laser ablation...
December 9, 2016: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/27940655/abdominal-self-stabbing-a-case-report
#17
Alok Atreya, Dolendra Rijal, Tanuj Kanchan, Raghvendra S Shekhawat
While abdominal stabbings are frequently associated with homicides, abdominal self-stabbing is uncommon and poses a challenge for the investigators. In cases of sharp force trauma, the presence of hesitation cuts over the neck and extremities help to distinguish self-inflicted injuries from homicides. Hesitation cuts are not associated with self-inflicted sharp force injuries to the abdomen, and thus are of limited use in distinguishing suicidal from homicidal abdominal stab wounds. In this study, we present a case of self-inflicted abdominal stabbing along with a detailed review of literature to help elucidate such cases...
December 9, 2016: Medico-legal Journal
https://www.readbyqxmd.com/read/27916016/penetrating-neck-trauma-and-the-need-for-surgical-exploration-six-year-experience-within-a-regional-trauma-centre
#18
A V Kasbekar, E J Combellack, S G Derbyshire, A C Swift
BACKGROUND: There has been a shift towards conservative management of penetrating neck trauma in selected patients. METHODS: A retrospective case note review of the management of penetrating neck trauma (2007-2013) was undertaken at our large teaching hospital and compared against best-evidenced practice. RESULTS: Sixty-three patients were admitted over six years. The incidence of penetrating neck trauma is reducing, contrary to our belief...
January 2017: Journal of Laryngology and Otology
https://www.readbyqxmd.com/read/27909098/reversible-disruption-of-neuronal-mitochondria-by-ischemic-and-traumatic-injury-revealed-by-quantitative-two-photon-imaging-in-the-neocortex-of-anesthetized-mice
#19
Mikhail Kislin, Jeremy Sword, Ioulia V Fomitcheva, Deborah Croom, Evgeny Pryazhnikov, Eero Lihavainen, Dmytro Toptunov, Heikki Rauvala, Andre S Ribeiro, Leonard Khiroug, Sergei A Kirov
: Mitochondria play a variety of functional roles in cortical neurons, from metabolic support and neuroprotection to the release of cytokines that trigger apoptosis. In dendrites, mitochondrial structure is closely linked to their function, and fragmentation (fission) of the normally elongated mitochondria indicates loss of their function under such pathological conditions as stroke and brain trauma. Using in vivo two-photon microscopy in mouse brain, we quantified mitochondrial fragmentation in a full spectrum of cortical injuries ranging from severe to mild...
December 1, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27896676/what-is-the-incidence-of-suicide-in-patients-with-bone-and-soft-tissue-cancer-suicide-and-sarcoma
#20
Brianna L Siracuse, George Gorgy, Jeremy Ruskin, Kathleen S Beebe
BACKGROUND: Patients with cancer in the United States are estimated to have a suicide incidence that is approximately twice that of the general population. Patients with bone and soft tissue cancer often have physical impairments and activity limitations develop that reduce their quality of life, which may put them at high risk for depression, anxiety, and suicidal ideation. To our knowledge, there have been no large studies determining incidence of suicide among patients with bone and soft tissue cancer; this information might allow screening of certain high-risk groups...
November 28, 2016: Clinical Orthopaedics and related Research
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