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https://www.readbyqxmd.com/read/28524078/measuring-dynamic-signals-with-direct-sensor-to-microcontroller-interfaces-applied-to-a-magnetoresistive-sensor
#1
Ernesto Sifuentes, Rafael Gonzalez-Landaeta, Juan Cota-Ruiz, Ferran Reverter
This paper evaluates the performance of direct interface circuits (DIC), where the sensor is directly connected to a microcontroller, when a resistive sensor subjected to dynamic changes is measured. The theoretical analysis provides guidelines for the selection of the components taking into account both the desired resolution and the bandwidth of the input signal. Such an analysis reveals that there is a trade-off between the sampling frequency and the resolution of the measurement, and this depends on the selected value of the capacitor that forms the RC circuit together with the sensor resistance...
May 18, 2017: Sensors
https://www.readbyqxmd.com/read/28514870/biomarker-profile-of-sepsis-associated-coagulopathy-using-biochip-assay-for-inflammatory-cytokines
#2
Amanda Walborn, Debra Hoppensteadt, Daneyal Syed, Michael Mosier, Jawed Fareed
Disseminated intravascular coagulation (DIC) is a major pathophysiological mechanism of sepsis and greatly increases the risk of death in septic patients. Disseminated intravascular coagulation is a complex physiological phenomenon that involves inappropriate activation of coagulation, inflammation, and endothelial processes. The purpose of this study was to analyze the levels of inflammatory cytokines in the plasma of patients with DIC in order to compare the measured levels with those from healthy individuals, draw correlations, and provide a basis for further biomarker panel development...
January 1, 2017: Clinical and Applied Thrombosis/hemostasis
https://www.readbyqxmd.com/read/28511450/emergency-peripartum-hysterectomy-indications-and-outcome-in-a-tertiary-care-setting
#3
Anshuja Singla, Rajlaxmi Mundhra, Latika Phogat, Sumita Mehta, Shalini Rajaram
INTRODUCTION: Emergency Peripartum Hysterectomy (EPH) is an important lifesaving procedure, mostly reserved for conditions deemed to be serious and life threatening, and not amenable to conservative methods. In the present scenario, the advent of newer medical and conservative surgical methods for controlling obstetric haemorrhage has influenced the incidence, trend and the outcomes of the procedure. AIM: To evaluate the demographic profile, indications, operative details, maternal morbidity and mortality and neonatal outcomes of women undergoing EPH...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28506817/in-vitro-cyp-mediated-drug-metabolism-in-the-zebrafish-embryo-using-human-reference-compounds
#4
Moayad Saad, An Matheeussen, Sebastiaan Bijttebier, Evy Verbueken, Casper Pype, Christophe Casteleyn, Chris Van Ginneken, Sandra Apers, Louis Maes, Paul Cos, Steven Van Cruchten
The increasing use of zebrafish embryos as an alternative model for toxicological and pharmacological studies necessitates a better understanding of xenobiotic biotransformation in this species. As cytochrome P450 enzymes (CYPs) play an essential role in this process, in vitro drug metabolism of four human CYP-specific substrates, i.e. dextromethorphan (DXM), diclofenac (DIC), testosterone (TST) and midazolam (MDZ) was investigated in adult male and female zebrafish, and in zebrafish embryos and larvae up to 120hours post-fertilization...
May 12, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/28505615/acute-disseminated-intravascular-coagulation-after-oxaliplatin-infusion
#5
Mark Waddle, Myra Irvin, Eva Gupta, Martin Gibbs, Tanya S Kakar, Nicole A Gannon, Jennifer R Arthurs, Deborah L Fischer, Sikander Ailawadhi
Oxaliplatin is one of the most commonly used drugs for patients with colorectal cancer. It has rarely been associated with disseminated intravascular coagulation (DIC) with only 3 previously reported cases. In all those instances, the patients had started receiving oxaliplatin, developed evidence of DIC during the course of planned treatment, and recovered with supportive care. We report a case of a 71-year-old man with colorectal cancer treated successfully with an oxaliplatin-based regimen who had disease relapse after 3 years...
May 16, 2017: Chemotherapy
https://www.readbyqxmd.com/read/28501173/an-exploiting-of-cost-effective-direct-current-conductivity-detector-in-gas-diffusion-flow-injection-system
#6
Wasin Somboot, Jaroon Jakmunee, Tinakorn Kanyanee
In this work, a homemade direct current (DC) conductivity detector as an alternative cost-effective detection device has been fabricated and investigated to use in flow analysis system. Under the selected appropriate conditions of flow system, the electrolysis of a carrier stream at the conductivity detector was negligible and provides well-defined signal. The cost-effective DC conductivity detector was demonstrated to couple with gas diffusion flow injection system for determination of dissolved inorganic carbon (DIC) in water...
August 1, 2017: Talanta
https://www.readbyqxmd.com/read/28498471/sodium-tanshinone-iia-sulfonate-improves-inflammation-aortic-endothelial-cell-apoptosis-disseminated-intravascular-coagulation-and-multiple-organ-damage-in-a-rat-heat-stroke-model
#7
Fang Chen, Huimin Li, Guoguo Zhu, Xiaojuan Chen, Zhongzhi Tang
The aim of the present study was to investigate the effects of sodium tanshinone IIA sulfonate (STS) on inflammatory responses, aortic endothelial cell apoptosis, disseminated intravascular coagulation (DIC) and multiple organ damage in an animal model of classic heat stroke (CHS). The rats in the heat stroke (HS) and STS‑treated heat stroke (STS‑HS) groups were placed into a pre‑warmed animal temperature controller (ATC) at 35˚C. The moment at which the rectal temperature reached 43.5˚C was considered as the time of onset of HS...
May 11, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28496954/sexual-risk-behaviors-constructed-in-iranian-women-s-life-with-substance-use-disorders-a-new-implication-of-human-ecological-theory
#8
Mansoureh Jamshidimanesh, Seyed Abbas Mousavi, Effat Merghati-Khoei, Mohammad Hassan Emamian, Afsaneh Keramat
BACKGROUND: Drug abuse is one of the important variables influencing protective sexual behavior. The objective of this study was to explore how risky sexual behaviors develop in drug abusing women using human ecological theory. METHODS: In this study, we used a descriptive exploratory approach. The participants were 32 drug abusing women from two of the selected drop-in centers (DICs) in south Tehran, Iran, where we could have access to a vast number of female drug users...
July 2016: Addiction & Health
https://www.readbyqxmd.com/read/28494764/possible-benefits-of-tomato-juice-consumption-a-pilot-study-on-irradiated-human-lymphocytes-from-healthy-donors
#9
Ayumi Nakamura, Chieko Itaki, Ayako Saito, Toko Yonezawa, Koichi Aizawa, Ayumi Hirai, Hiroyuki Suganuma, Tomisato Miura, Yasushi Mariya, Siamak Haghdoost
BACKGROUND: Reactive oxygen species (ROS) mediate much of the DNA damage caused by ionizing radiation. Among carotenoids, lycopene and β-carotene, present in tomato juice, are known to be strong radical scavengers. The aim of the study was to investigate the effect of tomato juice intake on the levels of DNA damage and oxidative stress in human whole blood induced by in vitro exposure to X-rays. METHODS: Ten healthy adults were asked to drink 190 g of tomato juice, containing 17 mg lycopene and 0...
May 12, 2017: Nutrition Journal
https://www.readbyqxmd.com/read/28494175/the-effect-of-plasmapheresis-on-treating-disseminated-intravascular-coagulation-dic-caused-by-a-hemiscorpius-lepturus-gadim-sting
#10
Babak Mostafazadeh, Ahmad Gorbani, Mitra Mogaddaspour, Hamid Reza Khoddami Vishteh
INTRODUCTION: The highest mortality from scorpion stings in Iran is due to the stings of a particular type of scorpion known as Hemiscorpius lepturus (H. lepturus, Gadim in local language). The present study aimed at investigating the use of plasmapheresis to treat severe cases of H. lepturus stings. METHOD: This pilot study was a randomized clinical trial conducted from June 2015 to June 2016 in Razi hospital of Ahvaz, Iran. Twenty-nine patients who had been stung by H...
May 11, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28492702/low-plasma-fvii-c-and-activated-fvii-as-predictive-markers-for-overt-disseminated-intravascular-coagulation
#11
Surapong Lertthammakiat, Nattachai Anantasit, Usanarat Anurathapan, Nongnuch Sirachainan, Praguywan Kadegasem, Ampaiwan Chuansumrit
In sepsis, binding of factor VII (FVII:C) and activated factor VII (FVIIa) with tissue factor is the key step of coagulation resulting in disseminated intravascular coagulation (DIC). We conducted a prospective cohort study among 47 septic patients, aged 8 months to 18.8 years. They were initially divided into three groups of no DIC (n=27), non-overt DIC (n=14) and overt DIC (n=6). Blood samples were collected at 0, 24 and 48 hours (h) after the onset of sepsis. At the onset of sepsis, FVII:C tended to be lower in the non-overt DIC [median 57 % (interquartile range [IQR] 41-80)] and overt DIC groups [33 % (23-52)] than that in the no DIC group [65 % (44-87)]...
May 11, 2017: Thrombosis and Haemostasis
https://www.readbyqxmd.com/read/28482819/preoperative-evaluation-of-accessory-hepatic-ducts-by-drip-infusion-cholangiography-with-ct
#12
Hiromichi Ishii, Akinori Noguchi, Tomoyuki Fukami, Riho Sugimoto, Hiroyuki Tada, Hiroki Takeshita, Seiji Umehara, Hiroyuki Izumi, Naoki Tani, Masahide Yamaguchi, Tetsuro Yamane
BACKGROUND: This retrospective study aimed to investigate the incidence of each type of accessory hepatic duct by drip infusion cholangiography with CT (DIC-CT). METHODS: Five hundred sixty nine patients who underwent preoperative DIC-CT and laparoscopic cholecystectomy were reviewed. Accessory hepatic ducts were classified as follows: type I (accessory hepatic ducts that merged with the common hepatic duct between the confluence of the right and left hepatic ducts and the cystic duct confluence), type II (those that merged with the common hepatic duct at the same site as the cystic duct), type III (those that merged with the common bile duct distal to the cystic duct confluence), type IV (the cystic duct merged with the accessory hepatic duct), and type V (accessory hepatic ducts that merged with the common hepatic or bile duct on the left side)...
May 8, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28480088/subacute-disseminated-intravascular-coagulation-in-a-patient-with-liver-metastases-of-a-renal-cell-carcinoma
#13
L C van der Wekken, R J L F Loffeld
Disseminated intravascular coagulation (DIC) is a syndrome characterised by simultaneous bleeding and thromboembolic formation. Its acute form is associated with severe bacterial infections and hematological malignancies. It has a fulminant presentation with prolonged bleeding times and diffuse thrombosis. On the other hand, chronic DIC can be asymptomatic for long periods of time and can be seen in patients with disseminated malignancies. This case report describes a patient who developed DIC within one week and bled profusely from venipuncture wounds...
2017: Case Reports in Oncological Medicine
https://www.readbyqxmd.com/read/28479475/the-impact-of-meg-source-reconstruction-method-on-source-space-connectivity-estimation-a-comparison-between-minimum-norm-solution-and-beamforming
#14
Ana-Sofía Hincapié, Jan Kujala, Jérémie Mattout, Annalisa Pascarella, Sebastien Daligault, Claude Delpuech, Domingo Mery, Diego Cosmelli, Karim Jerbi
Despite numerous important contributions, the investigation of brain connectivity with magnetoencephalography (MEG) still faces multiple challenges. One critical aspect of source-level connectivity, largely overlooked in the literature, is the putative effect of the choice of the inverse method on the subsequent cortico-cortical coupling analysis. We set out to investigate the impact of three inverse methods on source coherence detection using simulated MEG data. To this end, thousands of randomly located pairs of sources were created...
May 4, 2017: NeuroImage
https://www.readbyqxmd.com/read/28476563/computing-the-carbonate-chemistry-of-the-coral-calcifying-medium-and-its-response-to-ocean-acidification
#15
Virginie Raybaud, Sylvie Tambutté, Christine Ferrier-Pagès, Stéphanie Reynaud, Alexander A Venn, Éric Tambutté, Paul Nival, Denis Allemand
Critical to determining vulnerability or resilience of reef corals to Ocean Acidification (OA) is a clearer understanding of the extent to which corals can control carbonate chemistry in their Extracellular Calcifying Medium (ECM) where the CaCO3 skeleton is produced. Here, we employ a mathematical framework to calculate ECM aragonite saturation state (Ωarag.(ECM)) and carbonate system ion concentration using measurements of calcification rate, seawater characteristics (temperature, salinity and pH) and ECM pH (pH(ECM))...
May 3, 2017: Journal of Theoretical Biology
https://www.readbyqxmd.com/read/28476550/disseminated-intravascular-coagulation-is-associated-with-the-neurologic-outcome-of-cardiac-arrest-survivors
#16
Dong Hun Lee, Byung Kook Lee, Kyung Woon Jeung, Yong Hun Jung, Sung Min Lee, Yong Soo Cho, Seong-Woo Yun, Yong Il Min
PURPOSE: We aimed to examine the serial changes in coagulofibrinolytic markers that occurred after the restoration of spontaneous circulation (ROSC) in cardiac arrest patients, who were treated with targeted temperature management (TTM). We also evaluated the association between the disseminated intravascular coagulation (DIC) score and clinical outcomes. METHODS: This was a single-centre, retrospective observational study that included cardiac arrest patients who were treated with TTM from May 2012 to December 2015...
May 1, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28473919/an-unusual-case-of-disseminated-intravascular-coagulation
#17
Dmitri Pchejetski, Mojiba Kenbaz, Heba Alshaker, Dharmesh Rajput, Kiruparajan Jesudason
The use of cardiac pacemakers is increasing worldwide. Infective endocarditis from a pacemaker lead is a rare, but one of the most severe complications of pacemaker insertion. The diagnosis of pacemaker-related infective endocarditis is usually delayed due to unspecific clinical signs and symptoms at presentation compared to native valve infective endocarditis. Several factors can increase the risk of cardiac pacemaker-related infective endocarditis including cachexia, malignancy, diabetes mellitus, immunosuppression and corticosteroid treatment...
April 2017: Oxford Medical Case Reports
https://www.readbyqxmd.com/read/28469879/thromboelastometry-guided-blood-transfusion-in-septic-shock-complicated-with-disseminated-intravascular-coagulation-a-case-report
#18
Tomaz Crochemore, Flavia Nunes Dias Campos, Camila Menezes Souza Pessoa, Leonardo Lima Rocha, Pedro Paulo Zanella do Amaral Campos, Thiago Domingos Corrêa
Approximately 25-50% of septic patients develop disseminated intravascular coagulation. The thromboelastometry evaluates whole blood clot formation and dissolution in real time and has been considered for management of bleeding in diverse clinical conditions. We present a case of thromboelastometry-guided bleeding management of a septic shock patient with overt disseminated intravascular coagulation (DIC).
May 2017: Clinical Case Reports
https://www.readbyqxmd.com/read/28468365/localization-accuracy-of-gold-nanoparticles-in-single-particle-orientation-and-rotational-tracking
#19
Fei Zhao, Kuangcai Chen, Bin Dong, Kai Yang, Yan Gu, Ning Fang
The Single Particle Orientation and Rotational Tracking (SPORT) technique, which utilizes anisotropic plasmonic gold nanorods and differential interference contrast (DIC) microscopy, has shown potential as an effective alternative to fluorescence-based techniques to decipher rotational motions on the cellular and molecular levels. However, localizing gold nanorods from their DIC images with high accuracy and precision is more challenging than the procedures applied in fluorescence or scattering microscopy techniques due to the asymmetric DIC point spread function with bright and dark parts superimposed over a grey background...
May 1, 2017: Optics Express
https://www.readbyqxmd.com/read/28464190/amniotic-fluid-embolism-is-a-new-pregnancy-possible-case-report
#20
Ana Filipa Cabrita Caeiro, Irina Dulce Tapadinhas Matos Ramilo, Ana Paula Santos, Elizabeth Ferreira, Isabel Santos Batalha
Amniotic fluid embolism (AFE) is a rare but potentially catastrophic clinical condition, characterized by a combination of signs and symptoms that reflect respiratory distress, cardiovascular collapse and disseminated intravascular coagulation (DIC). Its pathogenesis is still unclear. More recently, the traditional view of obstruction of pulmonary capillary vessels by amniotic fluid emboli as the main explanation for the etiology has been ruled out, and immunologic factors and the activation of the inflammatory cascade took on an important role...
May 2, 2017: Revista Brasileira de Ginecologia e Obstetrícia
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