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https://www.readbyqxmd.com/read/28227313/detection-of-crackle-events-using-a-multi-feature-approach
#1
L Mendes, I M Vogiatzis, E Perantoni, E Kaimakamis, I Chouvarda, N Maglaveras, J Henriques, P Carvalho, R P Paiva, L Mendes, I M Vogiatzis, E Perantoni, E Kaimakamis, I Chouvarda, N Maglaveras, J Henriques, P Carvalho, R P Paiva, I Chouvarda, P Carvalho, L Mendes, E Perantoni, R P Paiva, J Henriques, I M Vogiatzis, N Maglaveras, E Kaimakamis
The automatic detection of adventitious lung sounds is a valuable tool to monitor respiratory diseases like chronic obstructive pulmonary disease. Crackles are adventitious and explosive respiratory sounds that are usually associated with the inflammation or infection of the small bronchi, bronchioles and alveoli. In this study a multi-feature approach is proposed for the detection of events, in the frame space, that contain one or more crackles. The performance of thirty-five features was tested. These features include thirty-one features usually used in the context of Music Information Retrieval, a wavelet based feature as well as the Teager energy and the entropy...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226776/an-in-silico-model-of-the-effects-of-vitamin-d3-on-mycobacterium-infected-macrophage
#2
Maya Gough, Elebeoba May, Maya Gough, Elebeoba May, Maya Gough, Elebeoba May
Mycobacterium tuberculosis is a global health concern, causing over one million deaths a year. Alveolar macrophages, as the primary host cell of this intracellular bacterium, play an important role in the course of disease. Vitamin D3 is known to have a potent effect on macrophage behavior during infection, modulating the production of pro- and anti-inflammatory cytokines and immune effector molecules. In a vitamin D3 deficient host, the immune systems response to infection is greatly impaired. We used a quantitative systems biology approach to model the intracellular effects of vitamin D3 and compared our simulation output to our in vitro model of mycobacterium infection of macrophages in the presence and absence of Vitamin D3...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226353/-comparison-of-complications-following-open-laparoscopic-and-robotic-gastrectomy
#3
Xin Lan, Hongqing Xi, Kecheng Zhang, Jianxin Cui, Mingsen Li, Lin Chen
OBJECTIVE: To compare clinically relevant postoperative complications after open, laparoscopic, and robotic gastrectomy for gastric cancer. METHODS: Clinical data of patients with gastric cancer who underwent gastrectomy between January 1, 2014 and October 1, 2016 at Chinese People's Liberation Army General Hospital were analyzed retrospectively. All the patients were diagnosed by upper endoscopy and confirmed by biopsy without distant metastasis. They were confirmed with R0 resection by postoperative pathology...
February 25, 2017: Zhonghua Wei Chang Wai Ke za Zhi, Chinese Journal of Gastrointestinal Surgery
https://www.readbyqxmd.com/read/28226316/clinical-evidence-of-increase-in-hair-growth-and-decrease-in-hair-loss-without-adverse-reactions-promoted-by-the-commercial-lotion-ecohair%C3%A2
#4
María Rosario Alonso, Claudia Anesini
BACKGROUND/AIMS: Hair exerts protection, sensory functions, thermoregulation, and sexual attractiveness. Hair loss (alopecia) is caused by several diseases, drug intake, hormone imbalance, stress, and infections (Malassesia furfur). Drugs usually used in alopecia produce irreversible systemic and local side effects. An association of extracts of Coffea arabica and Larrea divaricata (ECOHAIR®) is successfully being commercialized in Argentina for hair growth. The aim of this study was to provide scientific support for the efficacy and innocuousness of ECOHAIR® in patients with noncicatricial alopecia during a 3-month treatment...
February 23, 2017: Skin Pharmacology and Physiology
https://www.readbyqxmd.com/read/28226227/protective-and-harmful-immunity-to-rsv-infection
#5
Peter J M Openshaw, Chris Chiu, Fiona J Culley, Cecilia Johansson
Respiratory syncytial virus (RSV) is an exceptional mucosal pathogen. It specializes in infection of the ciliated respiratory epithelium, causing disease of variable severity with little or no direct systemic effects. It infects virtually all children by the age of three years and then repeatedly infects throughout life; this it does despite relatively slight variations in antigenicity, apparently by inducing selective immunological amnesia. Inappropriate or dysregulated responses to RSV can be pathogenic, causing disease-enhancing inflammation that contributes to short- and long-term effects...
February 6, 2017: Annual Review of Immunology
https://www.readbyqxmd.com/read/28226083/dengue-infection-in-the-nervous-system-lessons-learned-for-zika-and-chikungunya
#6
Marzia Puccioni-Sohler, Natalia Roveroni, Carolina Rosadas, Fernando Ferry, Jose Mauro Peralta, Amilcar Tanuri
Dengue, Zika and Chikungunya are emerging arboviruses and important causes of acute febrile disease in tropical areas. Although dengue does not represent a new condition, a geographic expansion over time has occurred with the appearance of severe neurological complications. Neglect has allowed the propagation of the vector (Aedes spp), which is also responsible for the transmission of other infections such as Zika and Chikungunya throughout the world. The increased number of infected individuals has contributed to the rise of neurological manifestations including encephalitis, myelitis, meningitis, Guillain-Barré syndrome and congenital malformations such as microcephaly...
February 2017: Arquivos de Neuro-psiquiatria
https://www.readbyqxmd.com/read/28226019/hospitalizations-of-brazilian-children-under-fiver-years-old-a-systematic-review
#7
Dixis Figueroa Pedraza, Erika Morganna Neves de Araujo
Objective: to describe the causes of hospitalization of Brazilian children under five years old. Methods: this is a systematic review of articles published from 2008 to 2015, searched in the databases Medline and LILACS; selected studies were critically analyzed through a validated instrument. Results: eleven articles were included, four of them are ecological and seven are cross-sectional studies; respiratory diseases (n=5), parasitic infections (n=4) and perinatal diseases (n=2) were the main causes for hospitalizations in the reviwed articles; in the studies that analyzed the sensitive conditions, pneumonia (n=6), gastroenteritis (n=5), and asthma (n=5) were the mais causes pointed out...
January 2017: Epidemiologia e Servicos de Saude: Revista do Sistema Unico de Saude do Brasil
https://www.readbyqxmd.com/read/28226004/guillain-barr%C3%A3-syndrome-and-other-neurological-manifestations-possibly-related-to-zika-virus-infection-in-municipalities-from-bahia-brazil-2015
#8
Juliane Maria Alves Siqueira Malta, Alexander Vargas, Priscila Leal E Leite, Jadher Percio, Giovanini Evelim Coelho, Andréa Helena Argolo Ferraro, Tânia Maria de Oliveira Cordeiro, Jesângeli de Sousa Dias, Eduardo Saad
Objective: to describe the reported cases of Guillain-Barré Syndrome (GBS) and other neurological manifestations with a history of dengue, chikungunya or Zika virus infections, in the Metropolitan Region of Salvador and in the municipality of Feira de Santana, Brazil. Methods: this is a descriptive study with data of an investigation conducted by the epidemiological surveillance from March to August 2015; to confirm the neurological manifestations, medical diagnosis records were considered, and to prior infection, clinical and laboratory criteria were used...
January 2017: Epidemiologia e Servicos de Saude: Revista do Sistema Unico de Saude do Brasil
https://www.readbyqxmd.com/read/28225957/relationship-of-helicobacter-pylori-seroprevalence-with-the-occurrence-and-severity-of-psoriasis
#9
Priscila Miranda Diogo Mesquita, Augusto Diogo, Miguel Tanus Jorge, Alceu Luiz Camargo Villela Berbert, Sônia Antunes de Oliveira Mantese, José Joaquim Rodrigues
BACKGROUND: Psoriasis is a chronic inflammatory disease that affects the skin and joints and has a multifactorial etiology. Recently, it has been suggested that Helicobacter pylori infection may contribute as a trigger for the development of the disease. OBJECTIVES: To determine the prevalence of H. pylori seropositivity in patients with psoriasis and to evaluate the relation between disease severity and H. pylori infection. METHODS: H. pylori infection was assessed in psoriatic patients and controls by using H...
January 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28225941/-health-inequality-on-results-and-access-indicators-for-children-in-mexico-analysis-of-national-health-surveys
#10
Juan Pablo Gutiérrez, Sebastián García-Saisó, Rodrigo Espinosa-de la Peña, Dulce Alejandra Balandrán
Objective: To analyze inequalities in health care indicators of children 0 to 9 years old in Mexico reporting gap and gradient measures. Materials and methods: Cross-sectional analysis of national health surveys in 2000, 2006 and 2012, measuring absolute and relative gap measures as well as the Slope Index of Inequality for four health care indicators (vaccination, care for acute respiratory infections, care for acute diarrheal diseases, and care for accidents) with socioeconomic stratification, as well as absolute gaps by sex, urbanicity and ethnic background...
November 2016: Salud Pública de México
https://www.readbyqxmd.com/read/28225907/characterisation-of-iunh-gene-knockout-strain-from-mycobacterium-tuberculosis
#11
Anne Drumond Villela, Valnês da Silva Rodrigues, Antônio Frederico Michel Pinto, Priscila Lamb Wink, Zilpa Adriana Sánchez-Quitian, Guilherme Oliveira Petersen, Maria Martha Campos, Luiz Augusto Basso, Diógenes Santiago Santos
BACKGROUND: Tuberculosis (TB) is an infectious disease caused mainly by the bacillus Mycobacterium tuberculosis. The better understanding of important metabolic pathways from M. tuberculosis can contribute to the development of novel therapeutic and prophylactic strategies to combat TB. Nucleoside hydrolase (MtIAGU-NH), encoded by iunH gene (Rv3393), is an enzyme from purine salvage pathway in M. tuberculosis. MtIAGU-NH accepts inosine, adenosine, guanosine, and uridine as substrates, which may point to a pivotal metabolic role...
March 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28225901/tuberculosis-associated-factors-caused-by-mycobacterium-tuberculosis-of-the-rdrio-genotype
#12
Eloise Brasil Moraes, Letícia Slompo, Amanda Juliane Finardi, Heloisa Paro Pedro da Silveira, Luciana Ruiz, Harrison Magdinier Gomes, Virginia Bodelão Richini, Philip Suffys, Carlos Magno Castelo Branco Fortaleza, Ricardo Cavalcanti, Ida Maria Foschiani Dias Baptista
BACKGROUND: Tuberculosis (TB) continues to be a disease that affects many countries around the world, including Brazil. Recently, a subtype of Latin American-Mediterranean family strain was identified and characterised by RDRio. The strain has been associated with different characteristics of the disease. OBJECTIVES: In the present study we investigated the association of epidemiological, clinical, radiological and bacteriological variables with pulmonary tuberculosis caused by RDRioMycobacterium tuberculosis strain in large regions of São Paulo...
March 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28225895/tuberculosis-associated-factors-caused-by-mycobacterium-tuberculosis-of-the-rdrio-genotype
#13
Eloise Brasil Moraes, Letícia Slompo, Amanda Juliane Finardi, Heloisa Paro Pedro da Silveira, Luciana Ruiz, Harrison Magdinier Gomes, Virginia Bodelão Richini, Philip Suffys, Carlos Magno Castelo Branco Fortaleza, Ricardo Cavalcanti, Ida Maria Foschiani Dias Baptista
BACKGROUND: Tuberculosis (TB) continues to be a disease that affects many countries around the world, including Brazil. Recently, a subtype of Latin American-Mediterranean family strain was identified and characterised by RDRio. The strain has been associated with different characteristics of the disease. OBJECTIVES: In the present study we investigated the association of epidemiological, clinical, radiological and bacteriological variables with pulmonary tuberculosis caused by RDRioMycobacterium tuberculosis strain in large regions of São Paulo...
February 16, 2017: Memórias do Instituto Oswaldo Cruz
https://www.readbyqxmd.com/read/28225869/extremely-elevated-il-18-levels-may-help-distinguish-systemic-onset-juvenile-idiopathic-arthritis-from-other-febrile-diseases
#14
Y Xia, P Cui, Q Li, F Liang, C Li, J Yang
The aim of this research was to explore whether IL-18 can be a serological marker for the diagnosis of systemic-onset juvenile idiopathic arthritis (sJIA). A total of 23 sJIA patients (13 males, median age 8.2), 20 acute lymphoblastic leukemia (ALL) patients, 18 patients with severe infections (SIF), 26 Kawasaki disease (KD) patients, 18 juvenile idiopathic arthritis (JIA) patients, and 25 healthy control patients were selected for this study. Enzyme-linked immunosorbent assays (ELISAs) were used to determine the serum concentrations of the S100A8, S100A9, and IL-6 proteins...
February 16, 2017: Brazilian Journal of Medical and Biological Research, Revista Brasileira de Pesquisas Médicas e Biológicas
https://www.readbyqxmd.com/read/28225805/prevalence-and-risk-factors-of-chlamydia-infection-in-hong-kong-a-population-based-geospatial-household-survey-and-testing
#15
William Chi Wai Wong, Yanping Zhao, Ngai Sze Wong, William L Parish, Heidi Yin Hai Miu, Li-Gang Yang, Michael Emch, King Man Ho, Francois Yeung Fong, Joseph D Tucker
BACKGROUND: Chlamydia causes infertility and increases risk of HIV infection, and population-based studies provide essential information for effective infection control and prevention. This study examined Chlamydia trachomatis prevalence and risk factors among a representative sample of 18-49-year-old residents in Hong Kong. METHODS: Census boundary map of 412 constituency areas was used as primary sampling units to construct the sampling frame and, residential buildings and units were randomly selected using geospatial modelling...
2017: PloS One
https://www.readbyqxmd.com/read/28225804/an-outbreak-of-acute-respiratory-disease-caused-by-a-virus-associated-rna-ii-gene-mutation-strain-of-human-adenovirus-7-in-china-2015
#16
Xiaoxia Yang, Qiongshu Wang, Beibei Liang, Fuli Wu, Hao Li, Hongbo Liu, Chunyu Sheng, Qiuxia Ma, Chaojie Yang, Jing Xie, Peng Li, Leili Jia, Ligui Wang, Xinying Du, Shaofu Qiu, Hongbin Song
Human adenovirus 7 (HAdV-7) strains are a major cause of acute respiratory disease (ARD) among adults and children, associated with fatal pneumonia. An ARD outbreak caused by HAdV-7 that involved 739 college students was reported in this article. To better understand the underlying cause of this large-scale epidemic, virus strains were isolated from infected patients and sequence variations of the whole genome sequence were detected. Evolutionary trees and alignment results indicated that the major capsid protein genes hexon and fibre were strongly conserved among serotype 7 strains in China at that time...
2017: PloS One
https://www.readbyqxmd.com/read/28225797/use-of-bovine-recombinant-prion-protein-and-real-time-quaking-induced-conversion-to-detect-cattle-transmissible-mink-encephalopathy-prions-and-discriminate-classical-and-atypical-l-and-h-type-bovine-spongiform-encephalopathy
#17
Soyoun Hwang, Justin J Greenlee, Eric M Nicholson
Prions are amyloid-forming proteins that cause transmissible spongiform encephalopathies through a process involving conversion from the normal cellular prion protein to the pathogenic misfolded conformation (PrPSc). This conversion has been used for in vitro assays including serial protein misfolding amplification and real-time quaking induced conversion (RT-QuIC). RT-QuIC can be used for the detection of prions in a variety of biological tissues from humans and animals. Extensive work has been done to demonstrate that RT-QuIC is a rapid, specific, and highly sensitive prion detection assay...
2017: PloS One
https://www.readbyqxmd.com/read/28225783/heart-and-skeletal-muscle-inflammation-hsmi-disease-diagnosed-on-a-british-columbia-salmon-farm-through-a-longitudinal-farm-study
#18
Emiliano Di Cicco, Hugh W Ferguson, Angela D Schulze, Karia H Kaukinen, Shaorong Li, Raphaël Vanderstichel, Øystein Wessel, Espen Rimstad, Ian A Gardner, K Larry Hammell, Kristina M Miller
Heart and skeletal muscle inflammation (HSMI) is an emerging disease of marine-farmed Atlantic Salmon (Salmo salar), first recognized in 1999 in Norway, and later also reported in Scotland and Chile. We undertook a longitudinal study involving health evaluation over an entire marine production cycle on one salmon farm in British Columbia (Canada). In previous production cycles at this farm site and others in the vicinity, cardiac lesions not linked to a specific infectious agent or disease were identified. Histologic assessments of both live and moribund fish samples collected at the farm during the longitudinal study documented at the population level the development, peak, and recovery phases of HSMI...
2017: PloS One
https://www.readbyqxmd.com/read/28225767/interferon-%C3%AE-1a-for-the-treatment-of-ebola-virus-disease-a-historically-controlled-single-arm-proof-of-concept-trial
#19
Mandy Kader Konde, Darren P Baker, Fode Amara Traore, Mamadou Saliou Sow, Alioune Camara, Alpha Amadou Barry, Doussou Mara, Abdoulaye Barry, Moussa Cone, Ibrahima Kaba, Amento Ablam Richard, Abdoul Habib Beavogui, Stephan Günther, Melania Pintilie, Eleanor N Fish
To date there are no approved antiviral drugs for the treatment of Ebola virus disease (EVD). Based on our in vitro evidence of antiviral activity of interferon (IFN)-ß activity against Ebola virus, we conducted a single arm clinical study in Guinea to evaluate the safety and therapeutic efficacy of IFN β-1a treatment for EVD. Nine individuals infected with Ebola virus were treated with IFN β-1a and compared retrospectively with a matched cohort of 21 infected patients receiving standardized supportive care only during the same time period at the same treatment unit...
2017: PloS One
https://www.readbyqxmd.com/read/28225764/cynomolgus-macaques-naturally-infected-with-trypanosoma-cruzi-i-exhibit-an-overall-mixed-pro-inflammatory-modulated-cytokine-signature-characteristic-of-human-chagas-disease
#20
Danielle Marquete Vitelli-Avelar, Renato Sathler-Avelar, Armanda Moreira Mattoso-Barbosa, Nicolas Gouin, Marcelo Perdigão-de-Oliveira, Leydiane Valério-Dos-Reis, Ronaldo Peres Costa, Silvana Maria Elói-Santos, Matheus de Souza Gomes, Laurence Rodrigues do Amaral, Andréa Teixeira-Carvalho, Olindo Assis Martins-Filho, Edward J Dick, Gene B Hubbard, Jane F VandeBerg, John L VandeBerg
BACKGROUND: Non-human primates have been shown to be useful models for Chagas disease. We previously reported that natural T. cruzi infection of cynomolgus macaques triggers clinical features and immunophenotypic changes of peripheral blood leukocytes resembling those observed in human Chagas disease. In the present study, we further characterize the cytokine-mediated microenvironment to provide supportive evidence of the utility of cynomolgus macaques as a model for drug development for human Chagas disease...
February 2017: PLoS Neglected Tropical Diseases
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