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Tao Ke, Lu Li, Krishnamoorthy Rajavel, Zhenyu Wang, Daohui Lin
Understanding of the interaction between humic acids (HAs) and heavy metal ions (HMIs) is essential for the assessment of environmental and health risks of HMIs. Multiple analyses, including fluorescence quenching of HAs; solution pH, zeta potential, and hydrodynamic size changes; and coprecipitation of HAs and HMIs, were carried out to investigate the interaction between two HAs and four HMIs (Ag+ , Pb2+ , Cd2+ , and Cr3+ ). The HA-HMI interaction mainly included chemical complexation, H+ -HMI exchange, electrostatic attraction, and flocculation...
March 8, 2018: Journal of Environmental Science and Health. Part A, Toxic/hazardous Substances & Environmental Engineering
Tran Thi Hong, Nguyen Phuong Hoa, Sue M Walker, Peter S Hill, Chalapati Rao
BACKGROUND: Mortality statistics form a crucial component of national Health Management Information Systems (HMIS). However, there are limitations in the availability and quality of mortality data at national level in Viet Nam. This study assessed the completeness of recorded deaths and the reliability of recorded causes of death (COD) in the A6 death registers in the national routine HMIS in Viet Nam. METHODOLOGY AND FINDINGS: 1477 identified deaths in 2014 were reviewed in two provinces...
2018: PloS One
Maria Steenland, Paul Jacob Robyn, Philippe Compaore, Moussa Kabore, Boukary Tapsoba, Aloys Zongo, Ousmane Diadie Haidara, Günther Fink
Performance-based financing (PBF) programs are increasingly implemented in low and middle-income countries to improve health service quality and utilization. In April 2011, a PBF pilot program was launched in Boulsa, Leo and Titao districts in Burkina Faso with the objective of increasing the provision and quality of maternal health services. We evaluate the impact of this program using facility-level administrative data from the national health management information system (HMIS). Primary outcomes were the number of antenatal care visits, the proportion of antenatal care visits that occurred during the first trimester of pregnancy, the number of institutional deliveries and the number of postnatal care visits...
December 2017: SSM—Population Health
S Tarantino, F Clemente, D Barone, M Controzzi, C Cipriani
Upper limb amputation deprives individuals of their innate ability to manipulate objects. Such disability can be restored with a robotic prosthesis linked to the brain by a human-machine interface (HMI) capable of decoding voluntary intentions, and sending motor commands to the prosthesis. Clinical or research HMIs rely on the interpretation of electrophysiological signals recorded from the muscles. However, the quest for an HMI that allows for arbitrary and physiologically appropriate control of dexterous prostheses, is far from being completed...
December 7, 2017: Scientific Reports
Laura Sochas, Andrew Amos Channon, Sara Nam
Although the number of direct Ebola-related deaths from the 2013 to 2016 West African Ebola outbreak has been quantified, the number of indirect deaths, resulting from decreased utilization of routine health services, remains unknown. Such information is a key ingredient of health system resilience, essential for adequate allocation of resources to both 'crisis response activities' and 'core functions'. Taking stock of indirect deaths may also help the concept of health system resilience achieve political traction over the traditional approach of disease-specific surveillance...
November 1, 2017: Health Policy and Planning
Tanya Guenther, Sarah Moxon, Bina Valsangkar, Greta Wetzel, Juan Ruiz, Kate Kerber, Hannah Blencowe, Queen Dube, Shashi N Vani, Donna Vivio, Hema Magge, Socorro De Leon-Mendoza, Janna Patterson, Goldy Mazia
BACKGROUND: As efforts to scale up the delivery of Kangaroo Mother Care (KMC) in facilities are increasing, a standardized approach to measure implementation and progress towards effective coverage is needed. Here, we describe a consensus-based approach to develop a measurement framework and identify a core set of indicators for monitoring facility-based KMC that would be feasible to measure within existing systems. METHODS: The KMC measurement framework and core list of indicators were developed through: 1) scoping exercise to identify potential indicators through literature review and requests from researchers and program implementers; and 2) face-to-face consultations with KMC and measurement experts working at country and global levels to review candidate indicators and finalize selection and definitions...
December 2017: Journal of Global Health
Emine Guven-Maiorov, Chung-Jung Tsai, Ruth Nussinov
Hundreds of different species colonize multicellular organisms making them "metaorganisms". A growing body of data supports the role of microbiota in health and in disease. Grasping the principles of host-microbiota interactions (HMIs) at the molecular level is important since it may provide insights into the mechanisms of infections. The crosstalk between the host and the microbiota may help resolve puzzling questions such as how a microorganism can contribute to both health and disease. Integrated superorganism networks that consider host and microbiota as a whole-may uncover their code, clarifying perhaps the most fundamental question: how they modulate immune surveillance...
October 2017: PLoS Computational Biology
Ruth A Ashton, Adam Bennett, Joshua Yukich, Achuyt Bhattarai, Joseph Keating, Thomas P Eisele
Coverage of malaria control interventions is increasing dramatically across endemic countries. Evaluating the impact of malaria control programs and specific interventions on health indicators is essential to enable countries to select the most effective and appropriate combination of tools to accelerate progress or proceed toward malaria elimination. When key malaria interventions have been proven effective under controlled settings, further evaluations of the impact of the intervention using randomized approaches may not be appropriate or ethical...
September 2017: American Journal of Tropical Medicine and Hygiene
Deepak Paudel, Ishwar B Shrestha, Matthias Siebeck, Eva Rehfuess
OBJECTIVE: To evaluate the impact of the community-based newborn care package (CBNCP) on six essential practices to improve neonatal health. METHODS: CBNCP pilot districts were matched to comparison districts using propensity scores. Impact on birth preparedness, antenatal care seeking, antenatal care quality, delivery by skilled birth attendant, immediate newborn care and postnatal care within 48 hours were assessed using Demographic and Health Survey (DHS) and Health Management Information System (HMIS) data through difference-in-differences and multivariate logistic regression analyses...
October 5, 2017: BMJ Open
Richael O'Hagan, Melissa A Marx, Karen E Finnegan, Patrick Naphini, Kumbukani Ng'ambi, Kingsley Laija, Emily Wilson, Lois Park, Sautso Wachepa, Joseph Smith, Lewis Gombwa, Amos Misomali, Tiope Mleme, Simeon Yosefe
BACKGROUND: Routine health data can guide health systems improvements, but poor quality of these data hinders use. To address concerns about data quality in Malawi, the Ministry of Health and National Statistical Office conducted a data quality assessment (DQA) in July 2016 to identify systems-level factors that could be improved. METHODS: We used 2-stage stratified random sampling methods to select health centers and hospitals under Ministry of Health auspices, included those managed by faith-based entities, for this DQA...
September 27, 2017: Global Health, Science and Practice
Antoine Lassagne, Andras Kemeny, Javier Posselt, Frederic Merienne
This article presents a comparison of different haptic systems, which are designed to simulate flat Human Machine Interfaces (HMIs) like touchscreens in virtual environments (VEs) such as CAVEs, and their respective performance. We compare a tangible passive transparent slate to a classic tablet and a sensory substitution system. These systems were tested during a controlled experiment. The performance and impressions from 20 subjects were collected to understand more about the modalities in the given context...
September 22, 2017: IEEE Transactions on Haptics
Godfrey Biemba, Boniface Chiluba, Kojo Yeboah-Antwi, Vichaels Silavwe, Karsten Lunze, Rodgers K Mwale, Scott Russpatrick, Davidson H Hamer
INTRODUCTION: Effective community health management information systems (C-HMIS) are important in low-resource countries that rely heavily on community-based health care providers. Zambia currently lacks a functioning C-HMIS to provide real-time, community-based health information from community health workers (CHWs) to health center staff and higher levels of the health system. PROGRAM DESCRIPTION: We developed a C-HMIS mobile platform for use by CHWs providing integrated community case management (iCCM) services and their supervisors to address challenges of frequent stock-outs and inadequate supportive supervision of iCCM-trained CHWs...
September 27, 2017: Global Health, Science and Practice
Xianjie Pu, Hengyu Guo, Jie Chen, Xue Wang, Yi Xi, Chenguo Hu, Zhong Lin Wang
Mechnosensational human-machine interfaces (HMIs) can greatly extend communication channels between human and external devices in a natural way. The mechnosensational HMIs based on biopotential signals have been developing slowly owing to the low signal-to-noise ratio and poor stability. In eye motions, the corneal-retinal potential caused by hyperpolarization and depolarization is very weak. However, the mechanical micromotion of the skin around the corners of eyes has never been considered as a good trigger signal source...
July 2017: Science Advances
Qiyun Huang, Shenghong He, Qihong Wang, Zhenghui Gu, Nengneng Peng, Kai Li, Yuandong Zhang, Ming Shao, Yuanqing Li
OBJECTIVE: Non-manual human-machine interfaces (HMIs) have been studied for wheelchair control with the aim of helping severely paralyzed individuals regain some mobility. The challenge is to rapidly, accurately and sufficiently produce control commands, such as left and right turns, forward and backward motions, acceleration, deceleration, and stopping. In this paper, a novel electrooculogram (EOG)-based HMI is proposed for wheelchair control. METHODS: Thirteen flashing buttons are presented in the graphical user interface (GUI), and each of the buttons corresponds to a command...
July 27, 2017: IEEE Transactions on Bio-medical Engineering
Hari S Iyer, Lisa R Hirschhorn, Marie Paul Nisingizwe, Emmanuel Kamanzi, Peter C Drobac, Felix C Rwabukwisi, Michael R Law, Andrew Muhire, Vincent Rusanganwa, Paulin Basinga
BACKGROUND: Evaluations of health systems strengthening (HSS) interventions using observational data are rarely used for causal inference due to limited data availability. Routinely collected national data allow use of quasi-experimental designs such as interrupted time series (ITS). Rwanda has invested in a robust electronic health management information system (HMIS) that captures monthly healthcare utilization data. We used ITS to evaluate impact of an HSS intervention to improve primary health care facility readiness on health service utilization in two rural districts of Rwanda...
2017: PloS One
Jeong Heo, Heenam Yoon, Kwang Suk Park
Amyotrophic lateral sclerosis (ALS) patients whose voluntary muscles are paralyzed commonly communicate with the outside world using eye movement. There have been many efforts to support this method of communication by tracking or detecting eye movement. An electrooculogram (EOG), an electro-physiological signal, is generated by eye movements and can be measured with electrodes placed around the eye. In this study, we proposed a new practical electrode position on the forehead to measure EOG signals, and we developed a wearable forehead EOG measurement system for use in Human Computer/Machine interfaces (HCIs/HMIs)...
June 23, 2017: Sensors
David W Oguttu, Joseph K B Matovu, David C Okumu, Alex R Ario, Allen E Okullo, Jimmy Opigo, Victoria Nankabirwa
BACKGROUND: In 2012, Tororo District had the highest malaria burden in Uganda with community Plasmodium prevalence of 48%. To control malaria in the district, the Ministry of Health introduced universal distribution of long lasting insecticide-treated nets (LLINs) in 2013 and added indoor residual spraying (IRS) in 2014. This study assessed malaria incidence, test positivity rates and outpatient (OPD) attendance due to malaria before and after vector control interventions. METHODS: This study was based on analysis of Health Management Information System (HMIS) secondary malaria surveillance data of 2,727,850 patient records in OPD registers of 61 health facilities from 2012 to 2015...
May 30, 2017: Malaria Journal
Shan-Shan Li, Min Jiang, Tian-Jia Jiang, Jin-Huai Liu, Zheng Guo, Xing-Jiu Huang
Hypersensitive and highly selective nanomaterials for the measurement of heavy metal ions (HMIs) hold a key to electro-analysis. Various works improved the results of analysis but without scientific understanding. Herein, Fe/Mg/Ni-layered double hydroxide (LDH) has been successfully prepared and its electrochemical behavior for Pb(II) detection is also studied using square wave anodic stripping voltammetry (SWASV). The well performance of electrochemistry suggest that the modification with Fe/Mg/Ni-LDH significantly promotes the selectivity and sensitivity toward Pb(II)...
May 11, 2017: Journal of Hazardous Materials
Hui Zhang, Huabo Duan, Jian Zuo, MingWei Song, Yukui Zhang, Bo Yang, Yongning Niu
Hazardous Materials Incidents (HMIs) have attracted a growing public concern worldwide. The health risks and environmental implications associated with HMIs are almost invariably severe, and underscore the urgency for sound management. Hazardous Materials Explosion incidents (HMEIs) belong to a category of extremely serious HMIs. Existing studies placed focuses predominately on the promptness and efficiency of emergency responses to HMIs and HMEIs. By contrast, post-disaster environmental management has been largely overlooked...
September 1, 2017: Journal of Environmental Management
Omid Tavakoli, Vahabodin Goodarzi, Mohammad Reza Saeb, Niyaz Mohammad Mahmoodi, Rafael Borja
Heavy metal ions (HMIs) are serious threats to the environment. Sub-critical water treatment was used to mimic contamination of squid oil in aqueous, metal-soap and oil phases. Isothermal adsorption of HMIs (Cu(2+), Pb(2+), Cd(2+) and Zn(2+)) was studied from aqueous phase to oil phase (493, 523, 548, and 573K) for solutions with different initial concentration of HMIs was studied. Decomposition of glycerides into fatty acids was favored at high subcritical temperatures, with metal-soap phase showing the highest chelation ability toward Cu(2+) (96%, isotherm 573K)...
April 7, 2017: Journal of Hazardous Materials
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