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https://www.readbyqxmd.com/read/28325025/comparison-between-users-of-a-new-methodology-for-heart-sound-auscultation
#1
Ana Castro, Pedro Gomes, Sandra S Mattos, Miguel T Coimbra
Auscultation is a routine exam and the first line of screening in heart pathologies. The objective of this study was to assess if using a new data collection system, the DigiScope Collector, with a guided and automatic annotation of heart auscultation, different levels of expertise/experience users could collect similar digital auscultations. Data were collected within the Heart Caravan Initiative (Paraíba, Brasil). Patients were divided into two study groups: Group 1 evaluated by a third year medical student (User 1), and an experienced nurse (User 2); Group 2 evaluated by User 2 and an Information Technology professional (User 3)...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324999/surface-electromyography-based-muscle-fatigue-analysis-for-stroke-patients-at-different-brunnstrom-stages
#2
Yinjun Tu, Zhe Zhang, Xudong Gu, Qiang Fang
Muscle fatigue analysis has been an important topic in sport and rehabilitation medicine due to its role in muscle performance evaluation and pathology investigation. This paper proposes a surface electromyography (sEMG) based muscle fatigue analysis approach which was specifically designed for stroke rehabilitation applications. 14 stroke patients from 5 different Brunnstrom recovery stage groups were involved in the experiment and features including median frequency and mean power frequency were extracted from the collected sEMG samples for investigation...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324998/prediction-of-the-outcome-in-cardiac-arrest-patients-undergoing-hypothermia-using-eeg-wavelet-entropy
#3
Hana Moshirvaziri, Nima Ramezan-Arab, Shadnaz Asgari
Cardiac arrest (CA) is the leading cause of death in the United States. Induction of hypothermia has been found to improve the functional recovery of CA patients after resuscitation. However, there is no clear guideline for the clinicians yet to determine the prognosis of the CA when patients are treated with hypothermia. The present work aimed at the development of a prognostic marker for the CA patients undergoing hypothermia. A quantitative measure of the complexity of Electroencephalogram (EEG) signals, called wavelet sub-band entropy, was employed to predict the patients' outcomes...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324963/quantitative-assessment-of-arm-tremor-in-people-with-neurological-disorders
#4
Jeonghee Kim, Claire Parnell, Thomas Wichmann, Stephen P DeWeerth
Abnormal oscillatory movement (i.e. tremor) is usually evaluated with qualitative assessment by clinicians, and quantified with subjective scoring methods. These methods are often inaccurate. We utilized a quantitative and standardized task based on the Fitts' law to assess the performance of arm movement with tremor by controlling a gyration mouse on a computer. The experiment included the center-out tapping (COT) and rectangular track navigation (RTN) tasks. We report the results of a pilot study in which we collected the performance for healthy participants in whom tremor was simulated by imposing oscillatory movements to the arm with a vibration motor...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324959/a-robotic-exoskeleton-to-treat-crouch-gait-from-cerebral-palsy-initial-kinematic-and-neuromuscular-evaluation
#5
Zachary F Lerner, Diane L Damiano, Thomas C Bulea
A robotic exoskeleton was designed for individuals with crouch gait caused by cerebral palsy with the intent to supplement existing muscle function during walking. The aim of this study was to evaluate how powered knee extension assistance provided during stance and swing phases of the gait cycle affect knee kinematics, and knee flexor and extensor muscle activity. Muscle activity and kinematic data were collected from four individuals with crouch gait from cerebral palsy during their normal walking condition and while walking with the exoskeleton under stance, swing, and stance & swing assistance...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324938/application-of-semi-supervised-deep-learning-to-lung-sound-analysis
#6
Daniel Chamberlain, Rahul Kodgule, Daniela Ganelin, Vivek Miglani, Richard Ribon Fletcher
The analysis of lung sounds, collected through auscultation, is a fundamental component of pulmonary disease diagnostics for primary care and general patient monitoring for telemedicine. Despite advances in computation and algorithms, the goal of automated lung sound identification and classification has remained elusive. Over the past 40 years, published work in this field has demonstrated only limited success in identifying lung sounds, with most published studies using only a small numbers of patients (typically N<;20) and usually limited to a single type of lung sound...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324936/a-preliminary-study-on-multi-wavelength-ppg-based-pulse-transit-time-detection-for-cuffless-blood-pressure-measurement
#7
Jing Liu, Yuan-Ting Zhang, Xiao-Rong Ding, Wen-Xuan Dai, Ni Zhao
Pulse transit time (PTT) has been widely studied as an index of blood pressure (BP) changes. In recent years, some prototypes of PTT-based wearable BP measurement devices have been developed, which can relieve users from the discomfort caused by the inflating cuff used in auscultatory and oscillometric BP measurement techniques. However, in the common practice for PTT detection, multi-site sensor implementation on human body is required, making it difficult for the integration of wearable devices. Since multi-wavelength (MW) photoplethysmogram (PPG) signals carry blood pulsation information of different blood vessels embedded in different skin depths, the time difference between different wavelength PPG signals collected at the same body site can be treated as a special PTT on a short length of blood vessels beneath the skin...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324932/an-ict-and-mobile-health-integrated-approach-to-optimize-patients-education-on-hypertension-and-its-management-by-physicians-the-patients-optimal-strategy-of-treatment-post-pilot-study
#8
Fabio Albini, Xiaoqiu Liu, Camilla Torlasco, Davide Soranna, Andrea Faini, Renata Ciminaghi, Ada Celsi, Matteo Benedetti, Antonella Zambon, Marco di Rienzo, Gianfranco Parati
INTRODUCTION: Uncontrolled hypertension is largely attributed to unsatisfactory doctor's engagement in its optimal management and to poor patients' compliance to therapeutic interventions. ICT and mobile Health solutions might improve these conditions, being widely available and providing highly effective communication strategies. OBJECTIVE: To evaluate whether ICT and mobile Health tools are able to improve hypertension control by improving doctors' engagement and by increasing patients' education and involvement, and their compliance to lifestyle modification and prescribed drug therapy...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324919/victorian-trabeculectomy-audit
#9
Jennifer C Fan Gaskin, Sukhpal S Sandhu, Mark J Walland
IMPORTANCE: This study highlights the efficacy and safety of trabeculectomy in Victoria, Australia. BACKGROUND: Trabeculectomy is currently the gold- standard in glaucoma surgery. However, its role has been increasingly questioned due to its associated risks and complications. This audit aimed to assess the efficacy and safety of trabeculectomy surgery in the state of Victoria, Australia. DESIGN: A cross-sectional, retrospective, and voluntary state- wide audit of trabeculectomy surgery by individual surgeons in 2012 with 24-months follow-up...
March 21, 2017: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/28324882/liquid-based-endometrial-cytology-using-surepath%C3%A2-is-not-inferior-to-suction-endometrial-tissue-biopsy-in-clinical-performance-for-detecting-endometrial-cancer-including-atypical-endometrial-hyperplasia
#10
Fumiko Yanaki, Yasuo Hirai, Azusa Hanada, Ken Ishitani, Hideo Matsui
OBJECTIVE: We evaluated the clinical performance of liquid-based endometrial cytology (SurePath™) for detecting endometrial malignancies by comparison with the performance of suction endometrial tissue biopsy. STUDY DESIGN: From November 2011 to May 2013, we consecutively collected 1,118 liquid-based endometrial cytology specimens and 674 suction endometrial tissue biopsy specimens. RESULTS: The rate of nonpositive final histology in nonpositive liquid-based endometrial cytology (98...
March 22, 2017: Acta Cytologica
https://www.readbyqxmd.com/read/28324853/discursive-junctions-in-flood-risk-governance-a-comparative-understanding-in-six-european-countries
#11
Maria Kaufmann, Mark Wiering
Flood risks are managed differently across Europe. While a number of research studies aim to understand these differences, they tend to pay little attention to the social constructionist aspects of flood risk governance, i.e. the meaning that societies give to flood risk and governance. This paper aims to address this gap by understanding differences in flood risk management approaches (FRMA) from a discursive-institutional perspective. Based on this perspective, an analytical framework was developed to systematically analyse and compare discourses pertaining to flood risk and its governance in six European member states (England (the United Kingdom), Flanders (Belgium), France, the Netherlands, Poland and Sweden)...
March 18, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28324852/a-novel-water-quality-data-analysis-framework-based-on-time-series-data-mining
#12
Weihui Deng, Guoyin Wang
The rapid development of time-series data mining provides an emerging method for water resource management research. In this paper, based on the time-series data mining methodology, we propose a novel and general analysis framework for water quality time-series data. It consists of two parts: implementation components and common tasks of time-series data mining in water quality data. In the first part, we propose to granulate the time series into several two-dimensional normal clouds and calculate the similarities in the granulated level...
March 18, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28324842/phenotypical-physiological-and-biochemical-analyses-provide-insight-into-selenium-induced-phytotoxicity-in-rice-plants
#13
Mohammad Golam Mostofa, Mohammad Anwar Hossain, Md Nurealam Siddiqui, Masayuki Fujita, Lam-Son Phan Tran
The present study investigated the phenotypical, physiological and biochemical changes of rice plants exposed to high selenium (Se) concentrations to gain an insight into Se-induced phytotoxicity. Results showed that exposure of rice plants to excessive Se resulted in growth retardation and biomass reduction in connection with the decreased levels of chlorophyll, carotenoids and soluble proteins. The reduced water status and an associated increase in sugar and proline levels indicated Se-induced osmotic stress in rice plants...
March 11, 2017: Chemosphere
https://www.readbyqxmd.com/read/28324808/midwives-perceptions-of-partner-presence-in-childbirth-pain-alleviation-in-nigeria-hospitals
#14
Abigail Uchenna Emelonye, Katri Vehviläinen-Julkunen, Taina Pitkäaho, Alex Aregbesola
OBJECTIVE: partner presence in the labour room can influence childbirth pain outcomes and maternal well-being. We examined midwives' perception of the use of partner presence in the management of childbirth pain in Nigerian hospitals. DESIGN: a descriptive cross-sectional quantitative study. SETTING: maternity units of four hospitals in Abuja, Nigeria, Jun.-Dec., 2014. PARTICIPANTS: 100 midwives selected through convenience sampling...
March 8, 2017: Midwifery
https://www.readbyqxmd.com/read/28324806/social-networking-site-sns-use-by-adolescent-mothers-can-social-support-and-social-capital-be-enhanced-by-online-social-networks-a-structured-review-of-the-literature
#15
REVIEW
Samantha Nolan, Joyce Hendricks, Sally Ferguson, Amanda Towell
AIMS AND OBJECTIVES: to critically appraise the available literature and summarise the evidence relating to adolescent mothers' use of social networking sites in terms of any social support and social capital they may provide and to identify areas for future exploration. BACKGROUND: social networking sites have been demonstrated to provide social support to marginalised individuals and provide psycho-social benefits to members of such groups. Adolescent mothers are at risk of; social marginalisation; anxiety disorders and depressive symptoms; and poorer health and educational outcomes for their children...
March 7, 2017: Midwifery
https://www.readbyqxmd.com/read/28324770/a-non-fatal-intoxication-and-seven-deaths-involving-the-dissociative-drug-3-meo-pcp
#16
Anna Johansson, Daniel Lindstedt, Markus Roman, Gunilla Thelander, Elisabet I Nielsen, Ulrica Lennborn, Håkan Sandler, Sten Rubertsson, Johan Ahlner, Robert Kronstrand, Fredrik C Kugelberg
INTRODUCTION: 3-methoxyphencyclidine (3-MeO-PCP) appeared on the illicit drug market in 2011 and is an analogue of phencyclidine, which exhibits anesthetic, analgesic and hallucinogenic properties. In this paper, we report data from a non-fatal intoxication and seven deaths involving 3-MeO-PCP in Sweden during the period March 2014 until June 2016. CASE DESCRIPTIONS: The non-fatal intoxication case, a 19-year-old male with drug problems and a medical history of depression, was found awake but tachycardic, hypertensive, tachypnoeic and catatonic at home...
March 7, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28324767/the-health-assessment-questionnaire-disability-index-haq-di-as-a-valid-alternative-for-measuring-the-functional-capacity-of-people-with-haemophilia
#17
Hortensia De La Corte-Rodriguez, E Carlos Rodriguez-Merchan
BACKGROUND: There are several scales for evaluating the functional capacity of people with haemophilia (PWH). OBJECTIVE: To demonstrate the value and simplicity of the "Health Assessment Questionnaire Disability Index" (HAQ-DI) for making a functional assessment of persons with haemophilia (PWH) in those contexts in which the specific physical assessment scales cannot be used (the "World Federation of Haemophilia Physical Examination Score" (WFH-PES) and the "Haemophilia Joint Health Score 2...
March 14, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28324753/error-augmentation-feedback-for-lateral-weight-shifting
#18
Kevin O'Brien, Charles R Crowell, James Schmiedeler
This study examines the effect of error augmentation of center of pressure (CoP) visual feedback on the performance of a lateral weight shifting task. Error augmentation emphasizes deviations from a standard CoP trajectory generated from existing data of over 2000 weight shifts collected with young, healthy subjects. Thirty-six subjects completed nine lateral weight shifting sessions, of which four were training sessions between each of the five testing sessions. Half of the subjects received error augmentation feedback during the training sessions, while the other half received the unaltered, control feedback...
March 6, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28324692/influence-of-graphene-oxide-and-reduced-graphene-oxide-on-the-activity-and-conformation-of-lysozyme
#19
Yitong Bai, Zhu Ming, Yuye Cao, Shicheng Feng, Hua Yang, Lingyun Chen, Sheng-Tao Yang
The dramatically different bio-effects of graphene and graphene oxide (GO) have been widely observed in diverse biological systems, which determine the applications and toxicity of graphene materials. To elucidate the mechanism at molecular level, it is urgent to investigate the enzyme-graphene interaction and its consequences. In this study, we comparatively studied the influence of GO and reduced GO (RGO) on the activity and conformation of lysozyme to provide better understandings of their different bio-effects...
March 8, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28324678/traumatic-stress-symptoms-after-the-november-13th-2015-terrorist-attacks-among-young-adults-the-relation-to-media-and-emotion-regulation
#20
Emmanuel Monfort, Mohammad Hassan Afzali
OBJECTIVE: A major terror attack occurred in the Paris region on 13th November 2015. This event was widely showed, described, and commented in the media. Media consumption may lead to a widespread diffusion of trauma-related symptoms following a collective trauma. These effects may depend on the type of media and emotion regulation strategies used by the media consumer. METHOD: Trauma history, traumatic symptoms, media consumption, psychological distress, and emotion regulation strategies of 451 young adults were assessed by an online survey...
March 6, 2017: Comprehensive Psychiatry
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