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https://www.readbyqxmd.com/read/28103389/the-use-of-antioxidants-in-the-treatment-of-traumatic-brain-injury
#1
Whitney Venegoni, Qiuhua Shen, Amanda R Thimmesch, Meredith Bell, John B Hiebert, Janet D Pierce
AIMS: To discuss secondary traumatic brain injury, the mitochondria and the use of antioxidants as a treatment. BACKGROUND: One of the leading causes of death in young adults internationally is traumatic brain injury, affecting individuals in all demographics. Traumatic brain injury is produced by an external blunt force or penetration resulting in alterations in brain function or pathology. Often, with a traumatic brain injury, secondary injury causes additional damage to the brain tissue that can have further impact on recovery and the quality of life...
January 19, 2017: Journal of Advanced Nursing
https://www.readbyqxmd.com/read/28103325/assessing-fifty-years-of-general-health-surveillance-of-roe-deer-in-switzerland-a-retrospective-analysis-of-necropsy-reports
#2
Mirjam Pewsner, Francesco Carlo Origgi, Joachim Frey, Marie-Pierre Ryser-Degiorgis
General wildlife health surveillance is a valuable source of information on the causes of mortality, disease susceptibility and pathology of the investigated hosts and it is considered to be an essential component of early warning systems. However, the representativeness of data from such surveillance programs is known to be limited by numerous biases. The roe deer (Capreolus capreolus capreolus) is the most abundant ungulate and a major game species all over Europe. Yet, internationally available literature on roe deer pathology is scarce...
2017: PloS One
https://www.readbyqxmd.com/read/28102024/generating-antigen-specific-regulatory-t-cells-in-the-fast-lane
#3
EDITORIAL
Leonardo M R Ferreira, Qizhi Tang
Since the inception of therapeutic allogeneic transplantation, acceptance of transplanted allografts has depended on non-specific immunosuppression, which blunts the recipient's immune defense yet cannot fully prevent chronic rejection. What if one could induce tolerance specifically to the graft? This article is protected by copyright. All rights reserved.
January 19, 2017: American Journal of Transplantation
https://www.readbyqxmd.com/read/28101617/a-new-ct-guided-modified-trocar-technique-for-drainage-of-difficult-locations-abscesses
#4
Chiang J Tyng, Maurício K Amoedo, Yves Bohrer, Almir G V Bitencourt, Paula N V Barbosa, Maria Fernanda A Almeida, Charles E Zurstrassen, Felipe J F Coimbra, Wilson L da Costa, Rubens Chojniak
PURPOSE: Computed tomography (CT) is commonly used to guide drainage of deep-seated abdominal fluid collections. However, in some cases, these collections seem to be inaccessible due to surrounding organs or their being in difficult locations. The aim of this study is to describe a modified Trocar technique to drain collections in difficult locations, especially those in the subphrenic space, without passing through intervening organs. MATERIALS AND METHODS: This retrospective case series study describes seven inpatients who underwent CT-guided drainage using a modified Trocar technique for abscesses that are difficult to access percutaneously...
January 18, 2017: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/28100945/study-of-433-operated-cases-of-thoracic-trauma
#5
Muharrem Çakmak, Mehmet Nail Kandemir
Patients with thoracic trauma constitute one third of all the trauma cases. Of traumatic patients, 20-25 % die because of thoracic trauma. Our aim was to compare our clinical experience and the results with the related literature. Four hundred thirty-three patients, who underwent surgical interventions due to thoracic trauma, were evaluated. The latest form of treatment applied were taken as the criteria for the quantitative detection of patients. Continuous variables were expressed as mean ± standard deviation, while categorical variables were explained as number and percentage...
December 2016: Indian Journal of Surgery
https://www.readbyqxmd.com/read/28100939/management-of-liver-trauma-in-minia-university-hospital-egypt
#6
Abdel Fattah Saleh, Emad Al Sageer, Amr Elheny
The aim of this study is to present the outcome of operative and non-operative management of patients with liver injury treated in a single institution depending on imaging. This study was conducted at the Causality Unit of Minia University Hospital, and included 60 patients with hepatic trauma from March 2012 to January 2013. In our study, males represent 80 % while females represent 20 % of the traumatized patients. The peak age for trauma found was 11-30 years. Blunt trauma is the most common cause of liver injury as it was the cause in 48 patients (80 %)...
December 2016: Indian Journal of Surgery
https://www.readbyqxmd.com/read/28100529/children-and-parental-anxiolysis-in-paediatric-ambulatory-surgery-a-randomized-controlled-study-comparing-0-3%C3%A2-mg-kg-1-midazolam-to-tablet-computer-based-interactive-distraction
#7
C Marechal, J Berthiller, S Tosetti, B Cogniat, H Desombres, L Bouvet, B Kassai, D Chassard, M de Queiroz Siqueira
BACKGROUND: The operating theatre, anaesthesia induction and separation from parents create fear and anxiety in children. Anxiety leads to adverse behavioral changes appearing and sometimes persisting during the postoperative period. Our aim was to compare the effects of midazolam (0.3 mg kg(-)(1): MDZ) for premedication with age-appropriate tablet game apps (TAB) on children anxiety during and after ambulatory surgery. METHODS: A randomized controlled trial was conducted from May 16th, 2013 to March 25th, 2014 at the Children Hospital of Lyon...
February 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28100487/doxorubicin-induced-nitrosative-stress-is-mitigated-by-vitamin-c-via-the-modulation-of-nitric-oxide-synthases
#8
Gauri Akolkar, Ashim K Bagchi, Prathapan Ayyappan, Davinder S Jassal, Pawan K Singal
An increase in oxidative stress is suggested to be the main cause in Doxorubicin (Dox) -induced cardiotoxicity. However, there is now evidence that activation of inducible nitric oxide synthase (iNOS) and nitrosative stress are also involved. The role of Vitamin C (Vit C) in the regulation of nitric oxide synthase (NOS) and reduction of nitrosative stress in Dox-induced cardiotoxicity is unknown. The present study investigated the effects of Vit C in the mitigation of Dox-induced changes in the levels of nitric oxide (NO), NOS activity, protein expression of NOS isoforms and nitrosative stress as well as cytokines TNFα and IL-10 in isolated cardiomyocytes...
January 18, 2017: American Journal of Physiology. Cell Physiology
https://www.readbyqxmd.com/read/28100346/-impact-of-cd137-cd137l-signaling-mediated-exocytosis-of-autophagosome-within-vascular-smooth-muscle-cells-on-the-formation-of-atherosclerotic-calcification
#9
B Li, X Y Li, W Zhong, C Shao, Z Q Wang, W Yuan, J C Yan
Objective: To explore whether CD137-CD137L signaling mediated exocytosis of autophagosome within vascular smooth muscle cells (VSMCs) could influence the formation of atherosclerotic calcification. Methods: Fifteen 8-week-old male ApoE(-/-)(C57BL/6J-KO) mice fed with high fat diet for 5 weeks were randomly divided into three groups by using stochastic indicator method as follows: control group, n=5; agonist-CD137 group: agonist-CD137 antibody 200 μg/2 weeks for 4 weeks, ip, n=5; anti-CD137 group: 200 μg anti-CD137 antibody+ 200 μg agonist-CD137 antibody/2 weeks for 4 weeks, ip, n=5...
January 25, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/28099839/trpc5-mediates-acute-leptin-and-serotonin-effects-via-pomc-neurons
#10
Yong Gao, Ting Yao, Zhuo Deng, Jong-Woo Sohn, Jia Sun, Yiru Huang, Xingxing Kong, Kai-Jiang Yu, Rui-Tao Wang, Hong Chen, Hongbo Guo, Jianqun Yan, Kathryn A Cunningham, Yongsheng Chang, Tiemin Liu, Kevin W Williams
The molecular mechanisms underlying acute leptin and serotonin 2C receptor-induced hypophagia remain unclear. Here, we show that neuronal and pro-opiomelanocortin (Pomc)-specific loss of transient receptor potential cation 5 (TrpC5) subunits is sufficient to decrease energy expenditure and increase food intake resulting in elevated body weight. Deficiency of Trpc5 subunits in Pomc neurons is also sufficient to block the anorexigenic effects of leptin and serotonin 2C receptor (Ht2Cr) agonists. The loss of acute anorexigenic effects of these receptors is concomitant with a blunted electrophysiological response to both leptin and Ht2Cr agonists in arcuate Pomc neurons...
January 17, 2017: Cell Reports
https://www.readbyqxmd.com/read/28099390/to-nearly-come-full-circle-nonoperative-management-of-high-grade-iv-v-blunt-splenic-trauma-is-safe-utilizing-a-protocol-with-routine-angioembolization
#11
Indermeet S Bhullar, Joseph J Tepas, Daniel Siragusa, Todd Loper, Andrew Kerwin, Eric R Frykberg
INTRODUCTION: Nonoperative management (NOM) of hemodynamically stable high grade (IV-V) blunt splenic trauma (BST) remains controversial given the high failure rates (19%) that persist despite angioembolization (AE) protocols. The NOM protocol was modified in 2011 to include mandatory AE of all grade (IV-V) injuries without CB along with selective AE of grade (I-V) with CB. The purpose of this study was to determine if this new AE protocol significantly lowered the failure rates for grade (IV-V) injuries allowing for safe observation without surgery and if the exclusion of grade III injuries allowed for the prevention of unnecessary angiograms without affecting the overall failure rates...
January 18, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28099382/failure-of-nonoperative-management-of-pediatric-blunt-liver-and-spleen-injuries-a-prospective-atomac-study
#12
Maria E Linnaus, Crystal S Langlais, Nilda M Garcia, Adam C Alder, James W Eubanks, R Todd Maxson, Robert W Letton, Todd A Ponsky, Shawn D St Peter, Charles Leys, Amina Bhatia, Daniel J Ostlie, David W Tuggle, Karla A Lawson, Alexander R Raines, David M Notrica
BACKGROUND: Nonoperative management (NOM) is standard of care for most pediatric blunt liver and spleen injuries (BLSI); only 5% of patients fail NOM in retrospective reports. No prospective studies examine failure of NOM of BLSI in children. The aim of this study was to determine the frequency and clinical characteristics of failure of NOM in pediatric BLSI patients. METHODS: A prospective observational study was conducted on patients ≤18 years presenting to any of ten level 1 pediatric trauma centers April 2013 and January 2016 with BLSI on computed tomography...
January 17, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28099375/routine-neurosurgical-consultation-is-not-necessary-in-mild-blunt-traumatic-brain-injury
#13
Paul R Lewis, Casey E Dunne, James D Wallace, Jason B Brill, Richard Y Calvo, Jayraan Badiee, Michael J Sise, Vishal Bansal, C Beth Sise, Steven R Shackford
BACKGROUND: The Brain Trauma Foundation guidelines provide indications for neurosurgical intervention in traumatic brain injury (TBI) with moderate or severe intracranial hemorrhage (ICH). In TBI patients with less severe ICH, the utility of neurosurgical consultation remains unclear. We sought to determine if routine neurosurgical consultation is necessary for mild blunt TBI patients with ICH. METHODS: A retrospective cohort study was conducted on 500 consecutive blunt TBI patients aged 15 years or older with Glasgow Coma Scale score ≥13 and ICH on initial head computed tomography (CT) admitted to a Level 1 trauma center over 28 months...
January 17, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/28099321/preoxygenation-physiologic-basis-benefits-and-potential-risks
#14
Usharani Nimmagadda, M Ramez Salem, George J Crystal
Preoxygenation before anesthetic induction and tracheal intubation is a widely accepted maneuver, designed to increase the body oxygen stores and thereby delay the onset of arterial hemoglobin desaturation during apnea. Because difficulties with ventilation and intubation are unpredictable, the need for preoxygenation is desirable in all patients. During emergence from anesthesia, residual effects of anesthetics and inadequate reversal of neuromuscular blockade can lead to hypoventilation, hypoxemia, and loss of airway patency...
February 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28099070/laparoscopic-rectal-dissection-assisted-by-transanal-endoluminal-videoendoscopy-through-a-blunt-tip-trocar
#15
Emanuele Asti, Andrea Lovece, Luigi Bonavina
BACKGROUND AND AIMS: Laparoscopic resection is a well-established approach for colorectal cancer surgery. In patients with rectal cancer treated by neoadjuvant chemoradiotherapy, it may be difficult to identify a clear safety margin for endostapling and subsequent anastomosis. We designed an innovative technical approach to assist colorectal anastomosis in these patients. TECHNIQUE: A four-trocar laparoscopic approach is used. After exploration of the abdominal cavity, the left colic flexure is completely mobilized...
January 18, 2017: Journal of Laparoendoscopic & Advanced Surgical Techniques. Part A
https://www.readbyqxmd.com/read/28097219/key-role-of-the-dopamine-d4-receptor-in-the-modulation-of-corticostriatal-glutamatergic-neurotransmission
#16
Jordi Bonaventura, César Quiroz, Ning-Sheng Cai, Marcelo Rubinstein, Gianluigi Tanda, Sergi Ferré
Polymorphic variants of the dopamine D4 receptor gene (DRD4) have been repeatedly associated with numerous neuropsychiatric disorders. Yet, the functional role of the D4 receptor and the functional differences of the products of DRD4 polymorphic variants remained enigmatic. Immunohistochemical and optogenetic-microdialysis experiments were performed in knock-in mice expressing a D4 receptor with the long intracellular domain of a human DRD4 polymorphic variant associated with attention deficit hyperactivity disorder (ADHD)...
January 2017: Science Advances
https://www.readbyqxmd.com/read/28097001/mag-dpa-curbs-inflammatory-biomarkers-and-pharmacological-reactivity-in-cytokine-triggered-hyperresponsive-airway-models
#17
Rayan Khaddaj-Mallat, Roddy Hiram, Chantal Sirois, Marco Sirois, Edmond Rizcallah, Sofia Marouan, Caroline Morin, Éric Rousseau
Bronchial inflammation contributes to a sustained elevation of airway hyperresponsiveness (AHR) in asthma. Conversely, omega-3 fatty acid derivatives have been shown to resolve inflammation in various tissues. Thus, the effects of docosapentaenoic acid monoacylglyceride (MAG-DPA) were assessed on inflammatory markers and reactivity of human distal bronchi as well as in a cultured model of guinea pig tracheal rings. Human bronchi were dissected and cultured for 48 h with 10 ng/mL TNF-α or IL-13. Guinea pig tracheas were maintained in organ culture for 72 h which was previously shown to trigger spontaneous AHR...
December 2016: Pharmacology Research & Perspectives
https://www.readbyqxmd.com/read/28096848/immunogenicity-and-efficacy-of-live-l-tarentolae-expressing-kmp11-ntgp96-gfp-fusion-as-a-vaccine-candidate-against-experimental-visceral-leishmaniasis-caused-by-l-infantum
#18
Vahid Nasiri, Abdolhossein Dalimi, Fatemeh Ghaffarifar, Azam Bolhassani
BACKGROUND: The aim of present study was to evaluate the protective efficacy of live recombinant L. tarentolae expressing KMP11-NTGP96-GFP fusion as candidates for live engineered recombinant vaccine against visceral leishmaniasis in BALB/c mice. METHODS: KMP-11 and NT-GP96 genes cloned into the pJET1.2/blunt cloning vector and then into pEGFP-N1 expression vector. The KMP-11, NT-GP96 and GFP fused in pEGFP-N1 and subcloned into Leishmanian pLEXSY-neo vector. Finally this construct was transferred to L...
April 2016: Iranian Journal of Parasitology
https://www.readbyqxmd.com/read/28096434/precocious-glucocorticoid-exposure-reduces-skeletal-muscle-satellite-cells-in-the-fetal-rat
#19
Ganga Gokulakrishnan, Xiaoyan Chang, Ryan Fleischmann, Marta Fiorotto
Perinatal skeletal muscle growth rates are a function of protein and myonuclear accretion. Precocious exposure of the fetus to glucocorticoids (GLC) in utero impairs muscle growth. Reduced muscle protein synthesis rates contribute to this response, but the consequences for myonuclear hyperplasia are unknown. To test the hypothesis that blunting of Pax7+ muscle progenitor cell proliferative activity by GLC in vivo also contributes to reduced fetal muscle growth, pregnant rats were administered dexamethasone (DEX;1 mg/L drinking water) from embryonic day (ED) 13 to ED21...
January 17, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28096316/bay-11-7082-inhibits-the-nf-kb-and-nlrp3-inflammasome-pathways-and-protects-against-imq-induced-psoriasis
#20
Natasha Irrera, Mario Vaccaro, Alessandra Bitto, Giovanni Pallio, Gabriele Pizzino, Maria Lentini, Vincenzo Arcoraci, Letteria Minutoli, Michele Scuruchi, Giuseppina Cutroneo, Giuseppe Pio Anastasi, Roberta Ettari, Francesco Squadrito, Domenica Altavilla
BAY 11-7082 antagonizes I-κB kinase-β preventing nuclear translocation of NF-κB; it also inhibits NLRP3 inflammasome activation.NF-κB is involved in psoriasis, while the role of NLRP3 is controversial. We investigated BAY 11-7082 effects in an experimental model of psoriasis-like dermatitis. Psoriasis-like lesions were induced by a topical application of imiquimod cream (IMQ; 62.5 mg/day) on the shaved back skin of C57BL/6 and NLRP3 knock-out mice for 7 consecutive days. Sham psoriasis animals were challenged with vaseline cream...
January 17, 2017: Clinical Science (1979-)
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