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https://www.readbyqxmd.com/read/28270248/the-resuscitative-and-pharmacokinetic-effects-of-humeral-intraosseous-vasopressin-in-a-swine-model-of-ventricular-fibrillation
#1
James M Burgert, Arthur D Johnson, Jose Garcia-Blanco, Lawrence V Fulton, Michael J Loughren
Introduction The American Heart Association (AHA; Dallas, Texas USA) and European Resuscitation Council (Niel, Belgium) cardiac arrest (CA) guidelines recommend the intraosseous (IO) route when intravenous (IV) access cannot be obtained. Vasopressin has been used as an alternative to epinephrine to treat ventricular fibrillation (VF). Hypothesis/Problem Limited data exist on the pharmacokinetics and resuscitative effects of vasopressin administered by the humeral IO (HIO) route for treatment of VF. The purpose of this study was to evaluate the effects of HIO and IV vasopressin, on the occurrence, odds, and time of return of spontaneous circulation (ROSC) and pharmacokinetic measures in a swine model of VF...
March 8, 2017: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/28252109/gamma-band-activities-in-mouse-frontal-and-visual-cortex-induced-by-coherent-dot-motion
#2
Hio-Been Han, Eunjin Hwang, Soohyun Lee, Min-Shik Kim, Jee Hyun Choi
A key question within systems neuroscience is to understand how the brain encodes spatially and temporally distributed local features and binds these together into one perceptual representation. Previous works in animal and human have shown that changes in neural synchrony occur during the perceptual processing and these changes are distinguished by the emergence of gamma-band oscillations (GBO, 30-80 Hz, centered at 40 Hz). Here, we used the mouse electroencephalogram to investigate how different cortical areas play roles in perceptual processing by assessing their GBO patterns during the visual presentation of coherently/incoherently moving random-dot kinematogram and static dots display...
March 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28176514/comparison-of-hepatectomy-with-or-without-hepatic-inflow-occlusion-in-patients-with-hepatocellular-carcinoma-a-single-center-experience
#3
Jing H Jiang, Kai X Wang, Ji Y Zhu, Pei P Yang, Zhe Guo, Song L Ma, Yang Lv, Bang D Xiang, Jian H Zhong, Le Q Li
BACKGROUND: The negative effects of hepatic inflow occlusion (HIO) on postoperative liver function of patients with hepatocellular carcinoma (HCC) after liver resection have been reported. Nevertheless, whether HIO could influence the long-term outcomes remains unclear. METHODS: A total of 396 patients were included in this study and divided into without occlusion (WO) group (n=112) and HIO group (n=284). Aiming to minimize influence of selection bias and confounding variables, we used propensity score matching (PSM) of a 0...
February 7, 2017: Minerva Medica
https://www.readbyqxmd.com/read/28140441/effects-of-humerus-intraosseous-versus-intravenous-amiodarone-administration-in-a-hypovolemic-porcine-model
#4
Cpt Monica M Holloway, Cpt Shannan L Jurina, Cpt Joshua D Orszag, Lt George R Bragdon, Lt Rustin D Green, Jose C Garcia-Blanco, Brian E Benham, Ltc Timothy S Adams, Don Johnson
OBJECTIVE: To compare the effects of amiodarone administration by humerus intraosseous (HIO) and intravenous (IV) routes on return of spontaneous circulation (ROSC), time to maximum concentration (Tmax), maximum plasma drug concentration (Cmax), time to ROSC, and mean concentrations over time in a hypovolemic cardiac arrest model. DESIGN: Prospective, between subjects, randomized experimental design. SETTING: TriService Research Facility. SUBJECTS: Yorkshire-cross swine (n = 28)...
October 2016: American Journal of Disaster Medicine
https://www.readbyqxmd.com/read/28140439/effects-of-tibial-and-humerus-intraosseous-administration-of-epinephrine-in-a-cardiac-arrest-swine-model
#5
Ltc Denise Beaumont, Asal Baragchizadeh, Charles Johnson, Don Johnson
OBJECTIVE: Compare maximum concentration (Cmax), time to maximum concentration (Tmax), mean serum concentration of epinephrine, return of spontaneous circulation (ROSC), time to ROSC, and odds of survival relative to epinephrine administration by humerus intraosseous (HIO), tibial intraosseous (TIO), and intravenous (IV) routes in a swine cardiac arrest model. DESIGN: Prospective, between subjects, randomized experimental design. SETTING: TriService Research Facility...
October 2016: American Journal of Disaster Medicine
https://www.readbyqxmd.com/read/28140438/the-comparison-of-humeral-intraosseous-and-intravenous-administration-of-vasopressin-on-return-of-spontaneous-circulation-and-pharmacokinetics-in-a-hypovolemic-cardiac-arrest-swine-model
#6
Mark H Wimmer, Kenneth Heffner, Michael Smithers, Richard Culley, Jennifer Coyner, Michael Loughren, Don Johnson
INTRODUCTION: The American Heart Association (AHA) recommends intravenous (IV) or intraosseous (IO) vasopressin in Advanced Cardiac Life Support (ACLS). Obtaining IV access in hypovolemic cardiac arrest patients can be difficult, and IO access is often obtained in these life threatening situations. No studies have been conducted to determine the effects of humeral IO (HIO) access with vasopressin in the return of spontaneous circulation (ROSC). Our study compared the kinetics of vasopressin and ROSC with HIO with IV access in the hypovolemic swine model...
October 2016: American Journal of Disaster Medicine
https://www.readbyqxmd.com/read/28129955/-primary-infection-with-cytomegalovirus-an-infectious-cause-of-splenic-infarction
#7
H Kassem, K Khamadi, C Farrugia, N Ho Hio Hen, T El Gharbi, L Turner
INTRODUCTION: Cytomegalovirus-associated thrombosis has been extensively reported in the medical literature, mainly in immune-compromised patients. However, the association with splenic infarcts has rarely been reported. CASE REPORT: We report a 32-year-old Caucasian and immunocompetent woman who presented with a splenic infarction during a primary infection with CMV. The differential diagnostic ruled out embolic, hematologic, gastrointestinal and coagulation disorders...
January 24, 2017: La Revue de Médecine Interne
https://www.readbyqxmd.com/read/28067029/5-5-diazaisoindigo-an-electron-deficient-building-block-for-donor-acceptor-conjugated-polymers
#8
Yang Lu, Yi Liu, Ya-Zhong Dai, Chi-Yuan Yang, Hio-Ieng Un, Si-Wei Liu, Ke Shi, Jie-Yu Wang, Jian Pei
A novel electron-deficient building block, 5,5'-diazaisoindigo (5DNIID), was synthesized through a facile method in good yield. As a derivative of isoindigo, 5DNIID shows an ultra-low LUMO level of -3.92 eV after incorporation of two electron-deficient nitrogen atoms into the para-position of the amine groups in the isoindigo π skeleton. Modified polymerization conditions were applied to efficiently afford the donor-acceptor (D-A) conjugated polymer 5DNIID-2T, which exhibited a p-type charge transport property...
January 9, 2017: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/27869805/engineered-human-pluripotent-stem-cell-derived-intestinal-tissues-with-a-functional-enteric-nervous-system
#9
Michael J Workman, Maxime M Mahe, Stephen Trisno, Holly M Poling, Carey L Watson, Nambirajan Sundaram, Ching-Fang Chang, Jacqueline Schiesser, Philippe Aubert, Edouard G Stanley, Andrew G Elefanty, Yuichiro Miyaoka, Mohammad A Mandegar, Bruce R Conklin, Michel Neunlist, Samantha A Brugmann, Michael A Helmrath, James M Wells
The enteric nervous system (ENS) of the gastrointestinal tract controls many diverse functions, including motility and epithelial permeability. Perturbations in ENS development or function are common, yet there is no human model for studying ENS-intestinal biology and disease. We used a tissue-engineering approach with embryonic and induced pluripotent stem cells (PSCs) to generate human intestinal tissue containing a functional ENS. We recapitulated normal intestinal ENS development by combining human-PSC-derived neural crest cells (NCCs) and developing human intestinal organoids (HIOs)...
January 2017: Nature Medicine
https://www.readbyqxmd.com/read/27805541/inulin-oligofructose-attenuates-metabolic-syndrome-in-high-carbohydrate-high-fat-diet-fed-rats
#10
Senthil A Kumar, Leigh C Ward, Lindsay Brown
Prebiotics alter bacterial content in the colon, and therefore could be useful for obesity management. We investigated the changes following addition of inulin oligofructose (IO) in the food of rats fed either a corn starch (C) diet or a high-carbohydrate, high-fat (H) diet as a model of diet-induced metabolic syndrome. IO did not affect food intake, but reduced body weight gain by 5·3 and 12·3 % in corn starch+inulin oligofructose (CIO) and high-carbohydrate, high-fat with inulin oligofructose (HIO) rats, respectively...
November 2016: British Journal of Nutrition
https://www.readbyqxmd.com/read/27677402/faim2-as-a-novel-diagnostic-maker-and-a-potential-therapeutic-target-for-small-cell-lung-cancer-and-atypical-carcinoid
#11
Hio Chung Kang, Jong In Kim, Hee Kyung Chang, Gavitt Woodard, Young Sik Choi, Ja-Lok Ku, David M Jablons, Il-Jin Kim
Lung neuroendocrine (NE) tumors are a heterogeneous group of tumors arising from neuroendocrine cells that includes typical carcinoid, atypical carcinoid, small cell lung cancer (SCLC), and large cell NE cancer. The subtyping of NE tumors is based on the number of mitoses per high powered field and the presences of necrosis. However, the best diagnostic criteria to differentiate various subtypes of lung NE tumors remains controversial and few diagnostic markers distinguish typical and atypical carcinoid. In this study, we show that FAIM2, an inhibitory molecule in the Fas-apoptosis pathway, is significantly overexpressed in SCLC compared to non-small cell lung cancer...
September 28, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27660075/hnf-4alpha-negatively-regulates-hepcidin-expression-through-bmpr1a-in-hepg2-cells
#12
Wencai Shi, Heyang Wang, Xuan Zheng, Xin Jiang, Zheng Xu, Hui Shen, Min Li
Hepcidin synthesis is reported to be inadequate according to the body iron store in patients with non-alcoholic fatty liver disease (NAFLD) undergoing hepatic iron overload (HIO). However, the underlying mechanisms remain unclear. We hypothesize that hepatocyte nuclear factor-4α (HNF-4α) may negatively regulate hepcidin expression and contribute to hepcidin deficiency in NAFLD patients. The effect of HNF-4α on hepcidin expression was observed by transfecting specific HNF-4α small interfering RNA (siRNA) or plasmids into HepG2 cells...
September 23, 2016: Biological Trace Element Research
https://www.readbyqxmd.com/read/27615393/combining-ptychographical-algorithms-with-the-hybrid-input-output-hio-algorithm
#13
A P Konijnenberg, W M J Coene, S F Pereira, H P Urbach
In this article we combine the well-known Ptychographical Iterative Engine (PIE) with the Hybrid Input-Output (HIO) algorithm. The important insight is that the HIO feedback function should be kept strictly separate from the reconstructed object, which is done by introducing a separate feedback function per probe position. We have also combined HIO with floating PIE (fPIE) and extended PIE (ePIE). Simulations indicate that the combined algorithm performs significantly better in many situations. Although we have limited our research to a combination with HIO, the same insight can be used to combine ptychographical algorithms with any phase retrieval algorithm that uses a feedback function...
August 31, 2016: Ultramicroscopy
https://www.readbyqxmd.com/read/27506198/panx3-links-body-mass-index-and-tumorigenesis-in-a-genetically-heterogeneous-mouse-model-of-carcinogen-induced-cancer
#14
Kyle D Halliwill, David A Quigley, Hio Chung Kang, Reyno Del Rosario, David Ginzinger, Allan Balmain
BACKGROUND: Body mass index (BMI) has been implicated as a primary factor influencing cancer development. However, understanding the relationship between these two complex traits has been confounded by both environmental and genetic heterogeneity. METHODS: In order to gain insight into the genetic factors linking BMI and cancer, we performed chemical carcinogenesis on a genetically heterogeneous cohort of interspecific backcross mice ((Mus Spretus × FVB/N) F1 × FVB/N)...
August 9, 2016: Genome Medicine
https://www.readbyqxmd.com/read/27159276/increased-upper-trapezius-muscle-stiffness-in-overhead-athletes-with-rotator-cuff-tendinopathy
#15
Hio Teng Leong, François Hug, Siu Ngor Fu
Although excessive tension of the upper trapezius (UT) is thought to contribute to rotator cuff tendinopathy, no study examined UT tension in athletes with and without rotator cuff tendinopathy. Here we used UT shear modulus measured using ultrasound shear wave elastography as an index of muscle stiffness/tension. The aims of this study were twofold: 1) to determine whether the UT muscle shear modulus is altered in athletes with rotator cuff tendinopathy compared to asymptomatic athletes, and 2) to detect optimal cut-off points of UT shear modulus in identifying athletes with rotator cuff tendinopathy...
2016: PloS One
https://www.readbyqxmd.com/read/27122995/pupil-size-in-relation-to-cortical-states-during-isoflurane-anesthesia
#16
Jeung Eun Kum, Hio-Been Han, Jee Hyun Choi
In neuronal recording studies on anesthetized animals, reliable measures for the transitional moment of consciousness are frequently required. Previous findings suggest that pupil fluctuations reflect the neuronal states during quiet wakefulness, whose correlation was unknown for the anesthetized condition. Here, we investigated the pupillary changes under isoflurane anesthesia simultaneously with the electroencephalogram (EEG) and electromyogram (EMG). The pupil was tracked by using a region-based active contour model...
April 2016: Experimental Neurobiology
https://www.readbyqxmd.com/read/27102401/reduction-of-the-subacromial-space-in-athletes-with-and-without-rotator-cuff-tendinopathy-and-its-association-with-the-strength-of-scapular-muscles
#17
Hio Teng Leong, Sammi Sin Mei Tsui, Gabriel Yin-Fat Ng, Siu Ngor Fu
OBJECTIVES: To compare the reduction of subacromial space (SAS) during arm abduction between overhead athletes with and without rotator cuff (RC) tendinopathy, and to explore the relationship between the strength of scapular muscles with the SAS. DESIGN: Cross-sectional study. METHODS: Sixty-six athletes (33 healthy and 33 with RC tendinopathy, mean age=22.3 years) participated in the study. Ultrasound measurement of the SAS with arm at 0°, 30° and 60° of shoulder abduction were taken, and the maximal isometric force in upper, middle and lower trapezius, and serratus anterior with manual muscle tests (MMT) were assessed using a handheld dynamometer...
December 2016: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/27038128/value-of-severe-liver-iron-overload-for-assessing-heart-iron-levels-in-thalassemia-major-patients
#18
Xiaodong Chen, Hui Zhang, Qihua Yang, Zebin Luo, Zuoquan Zhang, Ziliang Cheng, Jiaji Mao, Queenie Chan, Honggui Xu, Biling Liang, Hua Guo
PURPOSE: The relationship between severe liver iron overload (LIO) and heart iron overload (HIO) in transfusion-dependent patients with thalassemia major (TM) is uncertain. Whether severe LIO can serve as an index for assessing heart iron deposition has vital clinical significance. Therefore, our aim is to determine if a close relationship exists between severe LIO and HIO. MATERIALS AND METHODS: We examined 110 TM patients who underwent T2* measurement in the liver and heart on a 1...
October 2016: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/26982490/geography-of-community-health-information-organization-activity-in-the-united-states-implications-for-the-effectiveness-of-health-information-exchange
#19
Joshua R Vest
BACKGROUND: The United States has invested nearly a billion dollars in creating community health information organizations (HIOs) to foster health information exchange. Community HIOs provide exchange services to health care organizations within a distinct geographic area. While geography is a key organizing principle for community HIOs, it is unclear if geography is an effective method for organization or what challenges are created by a geography-based approach to health information exchange...
April 2017: Health Care Management Review
https://www.readbyqxmd.com/read/26824986/whole-exome-and-targeted-deep-sequencing-identify-genome-wide-allelic-loss-and-frequent-setdb1-mutations-in-malignant-pleural-mesotheliomas
#20
Hio Chung Kang, Hong Kwan Kim, Sharon Lee, Pedro Mendez, James Wansoo Kim, Gavitt Woodard, Jun-Hee Yoon, Kuang-Yu Jen, Li Tai Fang, Kirk Jones, David M Jablons, Il-Jin Kim
Malignant pleural mesothelioma (MPM), a rare malignancy with a poor prognosis, is mainly caused by exposure to asbestos or other organic fibers, but the underlying genetic mechanism is not fully understood. Genetic alterations and causes for multiple primary cancer development including MPM are unknown. We used whole exome sequencing to identify somatic mutations in a patient with MPM and two additional primary cancers who had no evidence of venous, arterial, lymphovascular, or perineural invasion indicating dissemination of a primary lung cancer to the pleura...
February 16, 2016: Oncotarget
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