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https://www.readbyqxmd.com/read/28822387/indicators-of-survival-and-favorable-functional-outcomes-after-decompressive-craniectomy-a-multi-institutional-retrospective-study
#1
Abid D Khan, Anna J Elseth, Brian Head, Jack Rostas, Julie A Dunn, Thomas J Schroeppel, Richard P Gonzalez
The role of decompressive craniectomy (DC) for severe traumatic brain injury (STBI) remains controversial. The purpose of this study was to identify factors that are indicators of survival and improved functional outcome in patients who undergo DC for STBI. A retrospective review of STBI patients who underwent DC was performed at four trauma centers during a 45-month period. Data collected included age, gender, mechanism of injury, Injury Severity Score (ISS), admission Glasgow Coma Scale (GCS), time from admission to DC, mortality, and extended Glasgow Outcome Score before discharge...
August 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28818204/geometry-as-a-confounder-when-assessing-ventricular-systolic-function-comparison-between-ejection-fraction-and-strain
#2
Thomas M Stokke, Nina E Hasselberg, Marit K Smedsrud, Sebastian I Sarvari, Kristina H Haugaa, Otto A Smiseth, Thor Edvardsen, Espen W Remme
BACKGROUND: Preserved left ventricular (LV) ejection fraction (EF) and reduced myocardial strain are reported in patients with hypertrophic cardiomyopathy, ischemic heart disease, diabetes mellitus, and more. OBJECTIVES: The authors performed a combined mathematical and echocardiographic study to understand the inconsistencies between EF and strains. METHODS: An analytical equation showing the relationship between EF and the 4 parameters, global longitudinal strain (GLS), global circumferential strain (GCS), wall thickness, and short-axis diameter, was derived from an elliptical LV model...
August 22, 2017: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/28817805/ltp-at-hilar-mossy-cell-dentate-granule-cell-synapses-modulates-dentate-gyrus-output-by-increasing-excitation-inhibition-balance
#3
Yuki Hashimotodani, Kaoutsar Nasrallah, Kyle R Jensen, Andrés E Chávez, Daniel Carrera, Pablo E Castillo
Excitatory hilar mossy cells (MCs) in the dentate gyrus receive inputs from dentate granule cells (GCs) and project back to GCs locally, contralaterally, and along the longitudinal axis of the hippocampus, thereby establishing an associative positive-feedback loop and connecting functionally diverse hippocampal areas. MCs also synapse with GABAergic interneurons that mediate feed-forward inhibition onto GCs. Surprisingly, although these circuits have been implicated in both memory formation (e.g., pattern separation) and temporal lobe epilepsy, little is known about activity-dependent plasticity of their synaptic connections...
August 16, 2017: Neuron
https://www.readbyqxmd.com/read/28817410/fatty-infiltrate-of-the-lumbar-multifidus-muscles-predicts-return-to-play-in-young-athletes-with-extension-based-low-back-pain
#4
John Winslow, Andrew Getzin, Hilary Greenberger, Walter Silbert
OBJECTIVE: To evaluate the predictive value of fatty infiltrate of the lumbar multifidus muscles (LMM) for return to play in young athletes with extension-based low back pain (EB LBP). DESIGN: Retrospective cohort study. SETTING: Hospital-based sports medicine practice. PATIENTS: Sixty-two athletes, 61.3% female, and 38.7% male, mean age 14.8 years, with a primary complaint of EB LBP who underwent magnetic resonance imaging (MRI); 46...
August 16, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28814933/inflammatory-biomarkers-and-their-value-in-predicting-survival-and-outcome-among-patients-with-spontaneous-intracerebral-haemorrhage
#5
Senthil Kumar Rajapathy, Zamzuri Idris, Regunath Kandasamy, Albert Wong Sii Hieng, Jafri Malin Abdullah
BACKGROUND: Spontaneous intracerebral haemorrhage (SICH) has emerged as one of the most devastating forms of stroke in recent decades. This disease is noted to carry a 30-day mortality rate of approximately 45%. An increasing number of studies have implicated a complex immune-mediated and inflammation-mediated cascade of responses in the pathophysiology of SICH and the resultant neurologic outcome. Several clinical studies have demonstrated an association between inflammatory markers and outcome in patients with SICH...
May 2017: Malaysian Journal of Medical Sciences: MJMS
https://www.readbyqxmd.com/read/28814581/hyperammonaemic-encephalopathy-following-an-uncomplicated-surgery
#6
Stuart McIntosh, Karima Medjoub, Kevin Deans, Sara Sexton
A 59-year-old woman who underwent an uncomplicated exploratory laparotomy, adhesiolysis, small bowel resection and anterolateral thigh flap had a complicated postoperative period characterised by wound dehiscence and poor nutritional intake. 29 days postoperatively, a tremor developed in her upper limbs associated with weakness. Her Glasgow Coma Scale (GCS) fell to 4 and she was transferred to the intensive care unit. The patient was reviewed by multiple specialists and multiple differentials were considered and eliminated...
August 16, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28812872/effect-of-mineral-dissolution-precipitation-and-co2-exsolution-on-co2-transport-in-geological-carbon-storage
#7
Ruina Xu, Rong Li, Jin Ma, Di He, Peixue Jiang
Geological carbon sequestration (GCS) in deep saline aquifers is an effective means for storing carbon dioxide to address global climate change. As the time after injection increases, the safety of storage increases as the CO2 transforms from a separate phase to CO2(aq) and HCO3(-) by dissolution and then to carbonates by mineral dissolution. However, subsequent depressurization could lead to dissolved CO2(aq) escaping from the formation water and creating a new separate phase which may reduce the GCS system safety...
August 16, 2017: Accounts of Chemical Research
https://www.readbyqxmd.com/read/28812367/the-usefulness-of-diffusion-weighted-magnetic-resonance-imaging-performed-in-the-acute-phase-as-an-early-predictor-of-delayed-neuropsychiatric-sequelae-in-acute-carbon-monoxide-poisoning
#8
Y S Kim, Y S Cha, M S Kim, H J Kim, Y S Lee, H Youk, H I Kim, O H Kim, K-C Cha, H Kim, K H Lee, S O Hwang
Delayed onset of neuropsychiatric symptoms after apparent recovery from acute carbon monoxide (CO) poisoning has been described as delayed neuropsychiatric sequelae (DNS). No previous study has determined whether early use of diffusion-weighted magnetic resonance imaging (DWI) can predict which patients will develop DNS in the acute CO poisoning. This retrospective observational study was performed on adult patients with acute CO poisoning consecutively treated over a 17-month period. All included patients with acute CO poisoning underwent DWI to evaluate brain injury within 72 h after CO exposure...
January 1, 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/28811766/prognostic-factors-determining-morbidity-and-mortality-in-organophosphate-poisoning
#9
Ayca Acikalin, Nezihat Rana Dişel, Selcuk Matyar, Ahmet Sebe, Zeynep Kekec, Yuksel Gokel, Emre Karakoc
OBJECTIVE: Our aim in this retrospective study was to determine the factors affecting poor prognosis and mortality of organophosphate (OP) poisoning by reviewing patient data. We also reviewed present knowledge to make conclusions on certain longstanding debates in light of the literature. METHODS: In this retrospective descriptive study, patients who were admitted to and hospitalized in the emergency department (ED) or intensive care unit (ICU) of a university hospital with the diagnosis of OP poisoning between December 2010 and December 2015 were evaluated...
May 2017: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/28811251/deletion-in-hsp110-t17-correlation-with-wild-type-hsp110-expression-and-prognostic-significance-in-microsatellite-unstable-advanced-gastric-cancers
#10
Kyung-Ju Kim, Tae Hun Lee, Jung Ho Kim, Nam-Yun Cho, Woo Ho Kim, Gyeong Hoon Kang
Deletion of the HSP110 T17 mononucleotide repeat has recently been identified as a prognostic marker that is correlated with wild-type HSP110 (HSP110wt) expression in microsatellite instability-high (MSI-H) colorectal cancers. The aim of this study was to assess the correlation between deletion of the HSP110 T17 repeat and expression of HSP110wt, using DNA testing and immunohistochemistry and to determine the prognostic implications of HSP110 T17 deletion in MSI-H advanced gastric cancers (GCs). The status of HSP110wt expression was evaluated by immunohistochemistry using an HSP110wt-specific antibody in 142 MSI-H advanced GCs...
August 12, 2017: Human Pathology
https://www.readbyqxmd.com/read/28810575/increased-bone-morphogenetic-protein-6-in-follicular-fluid-and-granulosa-cells-may-correlate-with-fertilization-and-embryo-quality-in-humans
#11
Ying Liang, Qinying Cao, Xing Gao, Huilan Du
Bone morphogenetic protein-6 (BMP-6), which is a member of the transforming growth factor-β superfamily, is associated with the regulation of bone development and various physiological processes. In the present study, the expression of BMP-6 in follicular fluid and granulosa cells (GCs) from pregnant and non-pregnant patients was explored. A total of 44 pregnant patients (pregnant group) and 36 non-pregnant patients (non-pregnant group) were recruited for the present study. The expression of BMP-6 was detected using western blotting and reverse transcription-quantitative polymerase chain reaction...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28807996/klhl6-deficiency-impairs-transitional-b-cell-survival-and-differentiation
#12
Barbara Bertocci, Damiana Lecoeuche, Delphine Sterlin, Julius Kühn, Baptiste Gaillard, Annie De Smet, Frederique Lembo, Christine Bole-Feysot, Nicolas Cagnard, Tatiana Fadeev, Auriel Dahan, Jean-Claude Weill, Claude-Agnès Reynaud
Klhl6 belongs to the KLHL gene family, which is composed of an N-terminal BTB-POZ domain and four to six Kelch motifs in tandem. Several of these proteins function as adaptors of the Cullin3 E3 ubiquitin ligase complex. In this article, we report that Klhl6 deficiency induces, as previously described, a 2-fold reduction in mature B cells. However, we find that this deficit is centered on the inability of transitional type 1 B cells to survive and to progress toward the transitional type 2 B cell stage, whereas cells that have passed this step generate normal germinal centers (GCs) upon a T-dependent immune challenge...
August 14, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28807194/the-impact-of-glasgow-coma-scale-age-prognosis-score-on-geriatric-traumatic-brain-injury-outcomes
#13
Muhammad Khan, Terence O'Keeffe, Faisal Jehan, Narong Kulvatunyou, Abdullah Kattaa, Lynn Gries, Andrew Tang, Bellal Joseph
BACKGROUND: As the population ages, increasing number of geriatric patients sustain traumatic brain injury (TBI). Communication of accurate prognostic information is crucial for making informed decisions on behalf of such patients. Therefore, the aim of our study was to develop a simple and clinically applicable tool that accurately predicts the prognosis in geriatric TBI patients. METHODS: We performed a 1-y (2011) retrospective analysis of isolated geriatric TBI patients (age ≥65 y, head abbreviated injury score [AIS] ≥ 3, and other body AIS < 3) in the National Trauma Data Bank...
August 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28807003/overexpression-of-mir-21-in-stem-cells-improves-ovarian-structure-and-function-in-rats-with-chemotherapy-induced-ovarian-damage-by-targeting-pdcd4-and-pten-to-inhibit-granulosa-cell-apoptosis
#14
Xiafei Fu, Yuanli He, Xuefeng Wang, Dongxian Peng, Xiaoying Chen, Xinran Li, Qing Wang
BACKGROUND: Chemotherapy-induced premature ovarian failure (POF) is a severe complication affecting tumor patients at a childbearing age. Mesenchymal stem cells (MSCs) can partially restore the ovarian structure and function damaged by chemotherapy. miR-21 is a microRNA that can regulate cell apoptosis. This study discusses the repair effect and mechanism of MSCs overexpressing miR-21 on chemotherapy-induced POF. METHODS: Rat MSCs and granulosa cells (GCs) were isolated in vitro...
August 14, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28806788/chronic-unpredictable-stress-exacerbates-surgery-induced-sickness-behavior-and-neuroinflammatory-responses-via-glucocorticoids-secretion-in-adult-rats
#15
Na Wang, Hong Ma, Zhe Li, Yalei Gao, Xuezhao Cao, Yanhua Jiang, Yongjian Zhou, Sidan Liu
METHODS: Sprague-Dawley adult male rats (12-14 weeks old) were exposed to 14-day CUS and then subjected to partial hepatectomy 24 h after the last stress session. The rats were pretreated with an antagonist of the glucocorticoids (GCs) receptor RU486 (30 mg/kg, i.p.) 1 h prior to stress exposure. The behavioral changes were evaluated with open field test and elevated plus-maze test. The hippocampal cytokines interleukin (IL)-1β and IL-6 were measured on postoperative days 1, 3 and 7...
2017: PloS One
https://www.readbyqxmd.com/read/28805353/the-role-of-melatonin-receptor-mtnr1a-in-the-action-of-melatonin-on-bovine-granulosa-cells
#16
Shu-Juan Wang, Wen-Ju Liu, Li-Ke Wang, Xun-Sheng Pang, Li-Guo Yang
Granulosa cells (GCs) play an important role in ovarian follicle growth, development, and follicular atresia. In the present study, we investigated the effects of Melatonin on bovine GCs, and asked if MTNR1A was involved in their response to this indole hormone. Our results indicated that Melatonin inhibited GC apoptosis by up-regulating the expression of BCL2, BCL-XL, GPX4, and SOD1, and down-regulating the expression of BAX, CASP3, and TP53. Moreover, Melatonin modulated bovine GC function by decreasing the expression of INHA, INHBB, FSHR, and TGFBR3, and the abundance of Inhibin β and Activin B, while increasing the expression of LHR, INHBA, and secretion of progesterone by GCs...
August 14, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/28803574/retrospective-evaluation-of-the-big-score-to-predict-mortality-in-pediatric-blunt-trauma
#17
Charlotte Grandjean-Blanchet, Guillaume Emeriaud, Marianne Beaudin, Jocelyn Gravel
OBJECTIVES: This study's objective was to measure the criterion validity of the BIG score (a new pediatric trauma score composed of the initial base deficit [BD], international normalized ratio [INR], and Glasgow Coma Scale [GCS]) to predict in-hospital mortality among children admitted to the emergency department with blunt trauma requiring an admission to the intensive care unit, knowing that a score <16 identifies children with a high probability of survival. METHODS: This was a retrospective cohort study performed in a single tertiary care pediatric hospital between 2008 and 2016...
August 14, 2017: CJEM
https://www.readbyqxmd.com/read/28801669/balance-between-estrogens-and-proinflammatory-cytokines-regulates-chemokine-production-involved-in-thymic-germinal-center-formation
#18
Nadine Dragin, Patrice Nancy, José Villegas, Régine Roussin, Rozen Le Panse, Sonia Berrih-Aknin
The early-onset form of Myasthenia Gravis (MG) is prevalent in women and associates with ectopic germinal centers (GCs) development and inflammation in the thymus. we aimed to investigate the contribution of estrogens in the molecular processes involved in thymic GCs formation. We examined expression of genes involved in anti-acetylcholine receptor (AChR) response in MG, MHC class II and α-AChR subunit as well as chemokines involved in GC development (CXCL13, CCL21and CXCL12). In resting conditions, estrogens have strong regulatory effects on thymic epithelial cells (TECs), inducing a decreased protein expression of the above molecules...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28801263/glucocorticoids-regulate-mir-29c-levels-in-vascular-smooth-muscle-cells-through-transcriptional-and-epigenetic-mechanisms
#19
Tsai-Der Chuang, Omid Khorram
AIMS: The objective of this study was to determine the underlying mechanism by which glucocorticoids (GCs) induce of miR-29c expression in vascular smooth muscle cells. MAIN METHODS: QRT-PCR was used for miR-29c detection. Protein levels were determined by western blotting. Knockdown of SP1, DNMT1 and DNMT3A was achieved through transfection with their specific respective siRNAs. The effect of GCs on SP1 activity was determined by luciferase reporter assay and the methylation status in miR-29c promoter was detected by methylation specific PCR...
August 8, 2017: Life Sciences
https://www.readbyqxmd.com/read/28801231/anti-inflammatory-chromatinscape-suggests-alternative-mechanisms-of-glucocorticoid-receptor-action
#20
Kyu-Seon Oh, Heta Patel, Rachel A Gottschalk, Wai Shing Lee, Songjoon Baek, Iain D C Fraser, Gordon L Hager, Myong-Hee Sung
Despite the widespread use of glucocorticoids (GCs), their anti-inflammatory effects are not understood mechanistically. Numerous investigations have examined the effects of glucocorticoid receptor (GR) activation prior to inflammatory challenges. However, clinical situations are emulated by a GC intervention initiated in the midst of rampant inflammatory responses. To characterize the effects of a late GC treatment, we profiled macrophage transcriptional and chromatinscapes with Dexamethasone (Dex) treatment before or after stimulation by lipopolysaccharide (LPS)...
August 15, 2017: Immunity
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