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Technology and Health Care: Official Journal of the European Society for Engineering and Medicine

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https://read.qxmd.com/read/30932907/development-of-a-prediction-model-for-allogenic-blood-transfusion-in-children-undergoing-surgery-for-developmental-dysplasia-of-the-hip
#1
Nabil Alassaf, Johannes B Reitsma
BACKGROUND: Blood transfusion is a common practice, but it is not without cost and risk. A model that predicts the risk of blood transfusion could guide informed preoperative blood ordering and use of blood loss preventive measures. OBJECTIVE: This study aimed to develop a prediction model of blood transfusion in children with developmental dysplasia of the hip (DDH) undergoing surgery. METHODS: A retrospective cohort of DDH patients from 2008 to 2017...
March 22, 2019: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://read.qxmd.com/read/30932906/development-of-a-novel-transformation-algorithm-of-electromyography-and-actigraphy-signals-based-on-electrical-and-kinetic-energy-an-application-for-sleep-healthcare
#2
Jeong-Woo Kim, Hyo Jae Kim, Yong Seo Koo
BACKGROUND: Although actigraphy is widely used to measure sleep quality, few studies directly compared actigraphy data with polysomnography data, especially electromyography data. OBJECTIVE: We developed an algorithm which transforms actigraphy and electromyography signals to verify the interchangeability between them and tested the utility of this algorithm in sleep healthcare. METHODS: Thirty-eight subjects underwent polysomnography and actigraphy...
March 22, 2019: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://read.qxmd.com/read/30932905/identification-and-potential-value-of-candidate-micrornas-in-granulosa-cells-of-polycystic-ovary-syndrome
#3
Yaoqin Wang, Suming Xu, Yonglian Wang, Gaimei Qi, Yan Hou, Chunqing Sun, Xueqing Wu
BACKGROUND: Polycystic Ovary Syndrome (PCOS) is a major cause of anovulatory infertility. Some studies showed that miRNAs were used as diagnostic/prognostic biomarkers for various diseases. OBJECTIVE: To identify candidate miRNAs in Granulosa Cells (GCs) of PCOS and evaluate their potential values for PCOS diagnosis. METHODS: We screened differentially expressed miRNAs in GCs between PCOS and controls by the microarray data from the GEO database...
March 22, 2019: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://read.qxmd.com/read/30932904/effective-connectivity-of-mental-fatigue-dynamic-casual-modeling-of-eeg-data
#4
Ghazaleh Sadat Hosseini, Ali Motie Nasrabadi
BACKGROUND: Recognition of sources in the brain and their interaction with mental fatigue states are interesting subjects for researchers. OBJECTIVE: The aim of this study was to investigate the mental fatigue effects on brain areas by dynamic casual modeling (DCM) parameters that are extracted from event-related potential (ERP) signals which were then estimated based on mental fatigue data with visual stimulation. METHODS: ERP were recorded based on a Continuous Performance Task in four consecutive trials...
March 22, 2019: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://read.qxmd.com/read/30909257/cyr61-improves-muscle-force-recreation-in-a-rabbit-trauma-model
#5
Sönke Percy Frey, Berrin Yorumazel, Stefanie Hölscher-Doht, Lars Eden, Norbert Schütze, Rainer Heribert Meffert, Hendrik Jansen
BACKGROUND: Critically elevated compartment pressures after complicated tibial fractures may result in fibrosis and therefore scarring of muscles with impaired function. Several studies have shown a relationship between angiogenesis and more effective muscle regeneration. Cysteine-rich angiogenic inducer 61 (CYR61) is associated with angiogenesis but it is not clear whether it would restore muscle force, reduce scarring or improve angiogenesis after acute musculoskeletal trauma. OBJECTIVE: We researched whether local application of CYR61 (1) restores muscle force, (2) reduces scar tissue formation, and (3) improves angiogenesis...
March 14, 2019: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://read.qxmd.com/read/30909258/the-effect-of-contact-force-during-radiofrequency-catheter-ablation-using-a-vibrating-catheter-new-cooling-method-for-catheter-ablation
#6
Kaihong Yu, Tetsui Yamashita, Shigeaki Shingyochi, Kazuo Matsumoto, Atsuki Komiya, Makoto Ohta
BACKGROUND: A new cooling method is proposed for preventing electrode-tissue overheating during cardiac catheter ablation using a vibrating catheter. Previous work has shown that vibration that results from increased flow velocity around the catheter can have a cooling effect on the electrode. OBJECTIVE: Contact force has been shown to be an important factor that affects cooling and lesion formation, because contact force determines the ratio of power delivery between blood and tissue...
March 13, 2019: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://read.qxmd.com/read/30909255/design-analysis-and-performance-evaluation-of-hand-gesture-platform-for-navigation
#7
Rajesh Kannan Megalingam, Venkat Rangan, Pranav Veliyara, Rithun Raj Krishna, Raghavendra Prabhu, Rocky Katoch, Ganesh Sai Apuroop Koppaka, Ravi Sankaran
Prevailing technological solutions that address the problems experienced by the infirm and elderly people, for their locomotion needs, offer limited options when it comes to control mechanism and customization. For more than a decade, joysticks have served the purpose of steering and navigation of autonomous wheelchairs. An alternative gesture-based method, for navigation of wheelchairs by the physically impaired, could very well replace the conventional joystick controls. A prototype system, 'Mudra' (Sanskrit word for gesture), incorporates a gesture capture module, developed for recognition and identification of hand gestures...
March 13, 2019: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://read.qxmd.com/read/30909256/a-novel-fast-solving-method-for-targeted-drug-delivery-capsules-in-the-gastrointestinal-tract
#8
Xudong Guo, Na Zhang, Haipo Cui, Jing Wang, Qinfen Jiang
BACKGROUND: As an innovative technique without cable connection, targeted drug-delivery capsules improve diagnostic and therapeutic capabilities in the gastrointestinal (GI) tract. OBJECTIVE: To fast track targeted drug-delivery capsules in the GI tract, a tracking method based on the multiple alternating magnetic sources with adaptive adjustment of the excitation intensity has been investigated. METHODS: The functional prototype of the tracking system has been developed...
March 7, 2019: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://read.qxmd.com/read/30829627/a-new-simple-efficient-classification-technique-for-severity-of-sleep-apnea-with-mathematical-model-and-interpretation
#9
Abdulnasir Hossen
BACKGROUND: Obstructive Sleep Apnea (OSA) is the cessation of breathing during sleep due to the collapse of the upper airway. Polysomnographic recording is a conventional method for detection of OSA. Although it provides reliable results, it is expensive and cumbersome. Thus, an advanced non-invasive heart rate variability (HRV) signal processing technique other than the standard spectral analysis, which also has efficiency limitations, is needed for identification of OSA and classification of apnea levels...
February 20, 2019: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://read.qxmd.com/read/30829625/fractal-based-classification-of-electroencephalography-eeg-signals-in-healthy-adolescents-and-adolescents-with-symptoms-of-schizophrenia
#10
Hamidreza Namazi, Erfan Aghasian, Tirdad Seifi Ala
Brain activity analysis is an important research area in the field of human neuroscience. Moreover, a subcategory in this field is the classification of brain activity in terms of different brain disorders. Since the Electroencephalography (EEG) signal is, in fact, a non-linear time series, employing techniques to investigate its non-linear structure is rather crucial. In this study, we evaluate the non-linear structure of the EEG signal between healthy and schizophrenic adolescents using fractal theory. The results of our analysis revealed that in terms of all recording channels, the EEG signal of healthy subjects is more complex compared to the ones suffering from schizophrenia...
February 15, 2019: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://read.qxmd.com/read/30829624/an-investigation-on-power-loss-of-an-out-to-in-body-wireless-radio-frequency-link
#11
Xingguang Chen, Zhiying Chen, Yueming Gao, Wenzhu Liu, Ruixin Jiang, Min Du
BACKGROUND: Implantable medical sensors for monitoring and transmitting physiological signals like blood glucose, blood oxygen, electrocardiogram, and endoscopic video present a new way for health care and disease prevention. Nevertheless, the signals transmitted by implantable sensors undergo significant attenuation as they propagate through various biological tissue layers. OBJECTIVE: This paper mainly aims to investigate the power loss of an out-to-in body wireless radio frequency link at 2...
February 13, 2019: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://read.qxmd.com/read/30829623/the-relationship-of-lumen-diameter-and-neointimal-hyperplasia-with-inflation-pressure
#12
Yu He, Dan Jiao, Peng Chen, Na Li, Chunxiang Jin
BACKGROUND: The mechanical stretch injury imposed by the intravascular intervention contributes to neointimal hyperplasia. Lessening of this damage without the compromise of luminal dilation could be an alternative way to alleviate restenosis. OBJECTIVE: We aimed to assess the relationship of lumen diameter and neointimal hyperplasia with inflation pressure using color Doppler ultrasound-guided balloon dilation. METHODS: The anteroposterior diameter of the given aortic segment in rabbits was measured by ultrasonography to ensure the similar original diameter...
February 12, 2019: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://read.qxmd.com/read/30664517/implementing-simulation-in-oncology-emergencies-education-a-quasi-experimental-design
#13
Loai Abu Sharour
BACKGROUND: High-fidelity simulation (HFS) as a teaching-learning method has increased, especially in medical programs. OBJECTIVE: This study was conducted to assess the effectiveness of using HFS on the satisfaction, self-confidence, self-efficacy, and knowledge of undergraduate students in oncology care. METHODS: A pre-test post-test quasi-experimental design was utilized. Random sampling technique was used to recruit the participants. The scenarios including septic shock and infusion reaction were implemented...
January 11, 2019: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://read.qxmd.com/read/30664516/fabrication-and-characterization-of-a-large-medical-balloon-with-ultra-high-strength
#14
Bin Yue, Ping Ye, Baolin Liu, Zhaohua Chang
BACKGROUND: Transcatheter aortic valve implantation (TAVI) has emerged as a promising treatment strategy for patients with severe symptomatic aortic stenosis (AS). Moreover, characteristics of Chinese patients that are different from those of patients in Western countries, such as a high prevalence of bicuspid aortic valve (BAV), severe calcification, and a small peripheral artery diameter, have been observed. OBJECTIVE: A novel large medical balloon with ultra-high strength was fabricated through the blending modification of PA12/TR55...
January 11, 2019: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://read.qxmd.com/read/30664515/facial-expression-recognition-based-on-electroencephalogram-and-facial-landmark-localization
#15
Dahua Li, Zhe Wang, Qiang Gao, Yu Song, Xiao Yu, Chuhan Wang
BACKGROUND: Facial expression recognition plays an essential role in affective computing, mental illness diagnosis and rehabilitation. Therefore, facial expression recognition has attracted more and more attention over the years. OBJECTIVE: The goal of this paper was to improve the accuracy of the Electroencephalogram (EEG)-based facial expression recognition. METHODS: In this paper, we proposed a fusion facial expression recognition method based on EEG and facial landmark localization...
January 11, 2019: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://read.qxmd.com/read/30664512/the-effects-of-functional-action-observation-training-on-gait-function-in-patients-with-post-stroke-hemiparesis-a-randomized-controlled-trial
#16
Seung-Jun Oh, Je-Hyeok Lee, Do-Hyun Kim
BACKGROUND: Functional action observation (FAO) is likely to activate the corticospinal tract and is likely to increase the potential ability of a functional task. OBJECTIVE: The purpose of this study was to investigate the effects of FAO training on gait ability in patients with post-stroke hemiparesis. METHODS: Thirty-five patients with hemiparesis caused by stroke participated in this study. All subjects had suffered from stroke for more than 6 months...
January 11, 2019: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://read.qxmd.com/read/30664518/false-positive-reduction-in-pulmonary-nodule-classification-using-3d-texture-and-edge-feature-in-ct-images
#17
Bin Wang, Shuaizong Si, Hai Zhao, Hongbo Zhu, Shengchang Dou
BACKGROUND: Pulmonary nodule detection can significantly influence the early diagnosis of lung cancer while is confused by false positives. OBJECTIVE: In this study, we focus on the false positive reduction and present a method for accurate and rapid detection of pulmonary nodule from suspective regions with 3D texture and edge feature. METHODS: This work mainly consists of four modules. Firstly, small pulmonary nodule candidates are preprocessed by a reconstruction approach for enhancing 3D image feature...
January 9, 2019: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://read.qxmd.com/read/30664519/better-resource-utilization-and-quality-of-care-for-cervical-cancer-screening-in-low-resourced-districts-using-an-internet-based-expert-system
#18
Jun Liu, Yun Peng, Ling Li, Zhen Chen, Yingchun Zhang
BACKGROUND: Screening tools are critical in the early prevention of cervical cancers. Acetic-acid based colposcopy test provides an affordable solution but is often challenged by the lack of experienced doctors in under-developed districts. OBJECTIVE: To evaluate the feasibility of an internet-based expert system to better utilize the expert knowledge. METHODS: A centralized internet-based expert system was developed to upload acetowhite images acquired by an integrated colposcopy device at remote healthcare centers...
January 8, 2019: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://read.qxmd.com/read/30664514/effectiveness-of-mid-thoracic-spine-mobilization-versus-therapeutic-exercise-in-patients-with-subacute-stroke-a-randomized-clinical-trial
#19
Juchul Cho, Eunsang Lee, Seungwon Lee
BACKGROUND: Although commonly used in clinical settings, evidence regarding the beneficial effectiveness of joint mobilization and therapeutic exercise in patients with stroke is still lacking. OBJECTIVE: This study aimed to investigate the effects of mid-thoracic spine mobilization and therapeutic exercise on dynamic balance and inspiratory function in patients with subacute stroke. METHODS: The participants included 33 patients with subacute stroke...
January 8, 2019: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://read.qxmd.com/read/30664511/fusion-of-wpt-and-mfcc-feature-extraction-in-parkinson-s-disease-diagnosis
#20
Harisudha Kuresan, Dhanalakshmi Samiappan, Sam Masunda
BACKGROUND: Parkinson's disease is a neurological disorder, progressive in nature. In order to provide customized patient care, diagnosis and monitoring using smart gadgets, smartphones, and smartwatches, there is a need for a system that works in natural as well as controlled environments. OBJECTIVE AND METHODS: The primary purpose is to record speech signal, and identify whether the speech signal is Parkinson or not. For this work, a comparison of three feature extraction methods, i...
January 8, 2019: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
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