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https://www.readbyqxmd.com/read/100001003/emergency-management-of-sepsis-the-simple-stuff-saves-lives
#1
David Sweet, Julian Marsden, Kendall Ho, Christina Krause, James A Russell
Many emergency departments have implemented sepsis protocols since the 2001 publication of results from the early goal-directed therapy trial, which showed early targeted resuscitation lowers mortality. As part of an attempt to improve clinical and operational outcomes for emergency departments across British Columbia, we reviewed sepsis management literature and considered sepsis protocol implementation in the province’s emergency departments. During the literature review we found that many observational studies confirmed an association between implementation of emergency sepsis protocols and decreased mortality...
May 2012: BC medical journal: BCMJ
https://www.readbyqxmd.com/read/27906430/recurrent-acute-pancreatitis-in-bowel-malrotation
#2
G Alessandri, A Amodio, L Landoni, N De' Liguori Carino, C Bassi
OBJECTIVE: Recurrent acute pancreatitis is an uncommon diagnosis in teenagers. Excluded alcohol and biliary stones, more prevalent aetiologies in these group of patients are genetic pancreatitis, pancreatic duct system abnormalities, neoplasia, traumas and congenital abnormalities of the duodenum such as duodenal duplication or diverticulum. Two reported cases of recurrent pancreatitis associated to midgut malrotation were described in English literature. Bowel malrotation is a difficult diagnosis in a teenager or a young adult and a common delay is documented...
November 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27906383/an-improved-model-of-homogeneous-nucleation-for-high-supersaturation-conditions-aluminum-vapor
#3
A M Savel'ev, A M Starik
A novel model of stationary nucleation, treating the thermodynamic functions of small clusters, has been built. The model is validated against the experimental data on the nucleation rate of water vapor obtained in a broad range of supersaturation values (S = 10-120), and, at high supersaturation values, it reproduces the experimental data much better than the traditional classical nucleation model. A comprehensive analysis of the nucleation of aluminum vapor with the usage of developed stationary and non-stationary nucleation models has been performed...
December 1, 2016: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/27906346/polarization-resolved-cross-correlated-c-sup-2-sup-imaging-of-a-photonic-bandgap-fiber
#4
Joel Carpenter, Benjamin J Eggleton, Jochen Schröder
We demonstrate polarization-resolved frequency domain cross-correlated (C<sup>2</sup>) imaging to characterize a 5m length of hollow-core photonic bandgap fiber. We produce a spectrogram of the fiber response to investigate the spatial, polarization, spectral, and temporal behavior. We then show how this temporally-resolved technique can be used to characterize multiple fiber launch conditions simultaneously by assigning each a unique time delay.
November 28, 2016: Optics Express
https://www.readbyqxmd.com/read/27906338/using-state-tomography-for-characterizing-input-principal-modes-in-optically-scattering-medium
#5
Jun Yang, Daniel A Nolan
We propose two new methods to measure principal modes, or Eisenbud-Wigner-Smith eigenstates in optically scattering medium. Both methods use similar techniques as in quantum state tomography, and are based on direct measurement of temporal delays. The first method requires N<sup>2</sup> different input launching conditions, and only the mean signal delay of these input states are needed to obtain full information of the principal modes. When the mode delay differences are large and all modes are non-degenerate, a second method can be used, which only requires 3N - 2 input launching conditions...
November 28, 2016: Optics Express
https://www.readbyqxmd.com/read/27906208/70%C3%A2-%C3%A2-ghz-arbitrary-modulation-of-chirped-laser-pulses-by-means-of-acousto-optics
#6
Konstantin B Yushkov, Vitaliy V Romanov, Georgiy S Rogozhnikov, Vladimir Ya Molchanov
We report the arbitrary modulation of chirped ultrashort laser pulses with a 70 GHz bandwidth. In the proof-of-principle experiment, modulation of Ti:sapphire laser emission was performed by the acousto-optic dispersive delay line, and the temporal pulse shape was measured with a picosecond streak camera.
December 1, 2016: Optics Letters
https://www.readbyqxmd.com/read/27906195/congenital-hypothyroidism-with-delayed-thyroid-stimulating-hormone-elevation-in-premature-infants-born-at-less-than-30-weeks-gestation
#7
D C Kaluarachchi, T T Colaizy, L M Pesce, M Tansey, J M Klein
OBJECTIVE: Congenital hypothyroidism (CH) with delayed thyroid-stimulating hormone (TSH) elevation is a common form of thyroid dysfunction among premature infants. Routine newborn screening (NBS) may miss infants with CH with delayed TSH elevation. The objective of the study is to determine the prevalence of CH with delayed TSH elevation in premature infants and to identify associated risk factors. STUDY DESIGN: Retrospective analysis of serum thyroid function screening (TFS) at day of life 30 in premature infants <30 weeks gestation, admitted to University of Iowa Neonatal Intensive Care Unit between 1 July 2012 to 30 June 2015...
December 1, 2016: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/27906164/early-sigmoidoscopy-or-colonoscopy-is-associated-with-improved-hospital-outcomes-in-ulcerative-colitis-related-hospitalization
#8
Kenneth Obi, Alice Hinton, Lindsay Sobotka, Razvan Arsenescu, Somashekar G Krishna, Edward J Levine, Cheng Zhang
OBJECTIVES: Performing a sigmoidoscopy or colonoscopy is recommended for assessment of disease activity, excluding infection, and guiding medical treatment during ulcerative colitis (UC)-related hospitalizations. However, it is unknown whether the timing of endoscopy impacts clinical outcomes. The objective of our study was to determine the impact of timing of endoscopy on hospital outcomes in patients with UC-related hospitalizations. METHODS: This is a cross-sectional study using data from the Nationwide Inpatient Sample database (2006-2013)...
December 1, 2016: Clinical and Translational Gastroenterology
https://www.readbyqxmd.com/read/27906099/p311-induces-the-transdifferentiation-of-epidermal-stem-cells-to-myofibroblast-like-cells-by-stimulating-transforming-growth-factor-%C3%AE-1-expression
#9
Haisheng Li, Zhihui Yao, Weifeng He, Hongyan Gao, Yang Bai, Sisi Yang, Lu Zhang, Rixing Zhan, Jianglin Tan, Junyi Zhou, Masao Takata, Jun Wu, Gaoxing Luo
BACKGROUND: Epithelial to mesenchymal transition, especially to myofibroblasts, plays an important role in wound healing, fibrosis, and carcinogenesis. Epidermal stem cells (EpSCs) are responsible for epidermal renewal and wound re-epithelialization. However, it remains unclear whether and how EpSCs transdifferentiate into myofibroblasts or myofibroblast-like cells (MFLCs). Here, we provide the first evidence showing that P311 induces EpSC to MFLC transdifferentiation (EpMyT) via TGFβ1/Smad signaling...
December 1, 2016: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/27906087/legionella-pneumonia-in-the-niagara-region-ontario-canada-a-case-series
#10
Stephanie Cargnelli, Jeff Powis, Jennifer L Y Tsang
BACKGROUND: Legionella pneumophila, a major cause of Legionnaires' disease, accounts for 2-15 % of all community-acquired pneumonia requiring hospitalization and up to 30 % of community-acquired pneumonia requiring intensive care unit admission. Early initiation of appropriate antimicrobial therapy is a crucial step in the prevention of morbidity and mortality. However, recognition of Legionnaires' disease continues to be challenging because of its nonspecific clinical features. We sought to describe hospitalized community-acquired Legionnaires' disease to increase awareness of this important and potentially lethal disease...
December 1, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27906078/four-week-rapamycin-treatment-improves-muscular-dystrophy-in-a-fukutin-deficient-mouse-model-of-dystroglycanopathy
#11
Steven J Foltz, Junna Luan, Jarrod A Call, Ankit Patel, Kristen B Peissig, Marisa J Fortunato, Aaron M Beedle
BACKGROUND: Secondary dystroglycanopathies are a subset of muscular dystrophy caused by abnormal glycosylation of α-dystroglycan (αDG). Loss of αDG functional glycosylation prevents it from binding to laminin and other extracellular matrix receptors, causing muscular dystrophy. Mutations in a number of genes, including FKTN (fukutin), disrupt αDG glycosylation. METHODS: We analyzed conditional Fktn knockout (Fktn KO) muscle for levels of mTOR signaling pathway proteins by Western blot...
June 2, 2016: Skeletal Muscle
https://www.readbyqxmd.com/read/27906066/a-giant-infiltrating-angiolipoma-of-the-mediastinum-a-case-report
#12
Peng Liu, Wen-Cheng Che, Huai-Jun Ji, Zhong-Min Jiang
BACKGROUND: Angiolipoma is a rare benign neoplasm composed of mature fatty tissue and multiple small abnormal blood vessels. Infiltrating mediastinal angiolipoma is an extremely rare tumor associated with delayed diagnosis. CASE PRESENTATION: A 42-year-old woman was presented with 3-month history of mild chest tightness. Imaging of the chest showed a large mass with fat densities in the middle superior mediastinum. A presumptive diagnosis was a tumor of liposarcoma...
December 1, 2016: Journal of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/27906006/integrated-therapy-for-hiv-and-tuberculosis
#13
REVIEW
Weerawat Manosuthi, Surasak Wiboonchutikul, Somnuek Sungkanuparph
Tuberculosis (TB) has been the most common opportunistic infection and cause of mortality among HIV-infected patients, especially in resource-limited countries. Clinical manifestations of TB vary and depend on the degree of immunodeficiency. Sputum microscopy and culture with drug-susceptibility testing are recommended as a standard method for diagnosing active TB. TB-related mortality in HIV-infected patients is high especially during the first few months of treatment. Integrated therapy of both HIV and TB is feasible and efficient to control the diseases and yield better survival...
May 12, 2016: AIDS Research and Therapy
https://www.readbyqxmd.com/read/27905989/the-histone-deacetylase-inhibitor-sodium-butyrate-exhibits-neuroprotective-effects-for-ischemic-stroke-in-middle-aged-female-rats
#14
Min Jung Park, Farida Sohrabji
BACKGROUND: Sodium butyrate (NaB) is a histone deacetylase (HDAC) inhibitor exhibiting anti-inflammatory and neuroprotective effects in a rat ischemic model of stroke as well as a myocardial ischemia model. Although clinical evidence shows that older women are at higher risk for stroke occurrence and greater stroke severity, no studies have evaluated the effectiveness of NaB either in females or in older animals. METHODS: To determine the effects of NaB on stroke in older females, acyclic middle-aged Sprague-Dawley female rats (9-11 months old, constant diestrus) were subject to middle cerebral artery occlusion (MCAo) by intracerebral injection of recombinant endothelin-1...
December 1, 2016: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/27905972/a-new-parametric-model-to-assess-delay-and-compression-of-mortality
#15
Joop de Beer, Fanny Janssen
BACKGROUND: A decrease in mortality across all ages causes a shift of the age pattern of mortality, or mortality delay, while differences in the rate of decrease across ages cause a change in the shape of the age-at-death distribution, mortality compression or expansion. Evidence exists for both compression and delay of mortality. Existing parametric models to describe the full age pattern of mortality are not able to capture mortality delay versus mortality compression. More recent models that assess delay versus compression mostly focused on the adult or old ages alone and did not distinguish mortality compression below and above the modal age at death, although they represent different mechanisms...
December 1, 2016: Population Health Metrics
https://www.readbyqxmd.com/read/27905957/factors-associated-with-no-shows-and-rescheduling-mri-appointments
#16
Majeed O AlRowaili, Anwar E Ahmed, Hasan A Areabi
BACKGROUND: One of the major challenges facing global radiology services comes from delays connected to long waiting lists for magnetic resonance imaging (MRI) procedures. Such delays in diagnostic procedures could lead to poorer patient care outcomes. This study intended to estimate the rate of "No-Shows" or "Reschedule" MRI appointments. We also investigated the factors correlating No-Shows and Reschedule MRI appointments. METHODS: A cross-sectional study was conducted in Saudi Arabia using data obtained via MRI schedule reviews and self-administrated questionnaires...
December 1, 2016: BMC Health Services Research
https://www.readbyqxmd.com/read/27905899/a-case-of-extragastrointestinal-stromal-tumor-complicated-by-severe-hypoglycemia-a-unique-presentation-of-a-rare-tumor
#17
Zeb Saeed, Solaema Taleb, Carmella Evans-Molina
BACKGROUND: Non-Islet Cell Tumor Hypoglycemia (NICTH) is a rare paraneoplastic cause of hypoglycemia arising from excess tumor production of insulin-like growth factor. The objective of this report is to describe an unusual case of Extragastrointestinal Stromal Tumor (EGIST) associated NICTH. CASE PRESENTATION: A 64 year-old African female was brought to the emergency room with a 1-month history of recurrent syncope, weight loss, and abdominal bloating. Serum blood glucose was discovered to 39 mg/dL, when insulin, proinsulin, and C-peptide were suppressed...
December 1, 2016: BMC Cancer
https://www.readbyqxmd.com/read/27905874/are-sexually-selected-traits-affected-by-a-poor-environment-early-in-life
#18
Regina Vega-Trejo, Michael D Jennions, Megan L Head
BACKGROUND: Challenging conditions experienced early in life, such as a restricted diet, can detrimentally affect key life-history traits. Individuals can reduce these costs by delaying their sexual maturation, albeit at the price of the later onset of breeding, to eventually reach the same adult size as individuals that grow up in a benevolent environment. Delayed maturation can, however, still lead to other detrimental morphological and physiological changes that become apparent later in adulthood (e...
December 1, 2016: BMC Evolutionary Biology
https://www.readbyqxmd.com/read/27905834/rubella-outbreak-and-outbreak-management-in-a-school-setting-china-2014
#19
Caiyun Chang, Huilai Ma, Wenjia Liang, Pei Hu, Xianghuan Mo, Zhijie An, Huizhen Zheng
BACKGROUND: An active response to a rubella outbreak may interrupt disease transmission, and outbreak response immunization (ORI) can increase immunity among persons who might otherwise not be protected. On March 17, 2014, a rubella outbreak was reported in a middle school in Guangzhou city, China. We conducted an investigation to assess impact of a policy of exclusion of cases from school and of ORI. METHODS: Active surveillance was used to find cases of rubella...
December 1, 2016: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/27905576/label-free-monitoring-of-tissue-biochemistry-following-traumatic-brain-injury-using-raman-spectroscopy
#20
Jakub Maciej Surmacki, Laura Ansel-Bollepalli, Francesca Pischiutta, Elisa R Zanier, Ari Ercole, Sarah Elizabeth Bohndiek
Traumatic brain injury (TBI) constitutes a major cause of death and long-term disability. At present, we lack methods to non-invasively track tissue biochemistry and hence select appropriate interventions for patients. We hypothesized that detailed label-free vibrational chemical analysis of focal TBI could provide such information. We assessed the early spatial and temporal changes in tissue biochemistry that are associated with brain injury in mice. Numerous differences were observed in the spectra of the contusion core and pericontusional tissue between 2 and 7 days...
December 1, 2016: Analyst
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