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Journal of Healthcare Engineering

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https://www.readbyqxmd.com/read/29359038/efficient-active-sensing-with-categorized-further-explorations-for-a-home-behavior-monitoring-robot
#1
Wenwei Yu, Keigo Nakahata, Guang Hao Sun, Akio Namiki, Sayuri Suwa, Mayuko Tsujimura, Le Xie, Jinwu Wang, Shao Ying Huang
Mobile robotics is a potential solution to home behavior monitoring for the elderly. For a mobile robot in the real world, there are several types of uncertainties for its perceptions, such as the ambiguity between a target object and the surrounding objects and occlusions by furniture. The problem could be more serious for a home behavior-monitoring system, which aims to accurately recognize the activity of a target person, in spite of these uncertainties. It detects irregularities and categorizes situations requiring further explorations, which strategically maximize the information needed for activity recognition while minimizing the costs...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29359037/a-predictive-model-to-classify-undifferentiated-fever-cases-based-on-twenty-four-hour-continuous-tympanic-temperature-recording
#2
Pradeepa H Dakappa, Keerthana Prasad, Sathish B Rao, Ganaraja Bolumbu, Gopalkrishna K Bhat, Chakrapani Mahabala
Diagnosis of undifferentiated fever is a major challenging task to the physician which often remains undiagnosed and delays the treatment. The aim of the study was to record and analyze a 24-hour continuous tympanic temperature and evaluate its utility in the diagnosis of undifferentiated fevers. This was an observational study conducted in the Kasturba Medical College and Hospitals, Mangaluru, India. A total of ninety-six (n = 96) patients were presented with undifferentiated fever. Their tympanic temperature was recorded continuously for 24 hours...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29348908/correlation-clustering-of-stable-angina-clinical-care-patterns-for-506-thousand-patients
#3
Zsolt Vassy, István Kósa, István Vassányi
Objectives: Our goal was to apply statistical and network science techniques to depict how the clinical pathways of patients can be used to characterize the practices of care providers. Methods: We included the data of 506,087 patients who underwent procedures related to ischemic heart disease. Patients were assigned to one of the 136 primary health-care centers using a voting scheme based on their residence. The clinical pathways were classified, and the spectrum of the pathway types was computed for each center, then a network was built with the centers as nodes and spectrum correlations as edge weights...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29317996/classification-of-daily-activities-for-the-elderly-using-wearable-sensors
#4
Jian Liu, Jeehoon Sohn, Sukwon Kim
Monitoring of activities of daily living (ADL) using wearable sensors can provide an objective indication of the activity levels or restrictions experienced by patients or elderly. The current study presented a two-sensor ADL classification method designed and tested specifically with elderly subjects. Ten healthy elderly were involved in a laboratory testing with 6 types of daily activities. Two inertial measurement units were attached to the thigh and the trunk of each subject. The results indicated an overall rate of misdetection being 2...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29317995/gene-expression-changes-in-long-term-in-vitro-human-blood-brain-barrier-models-and-their-dependence-on-a-transwell-scaffold-material
#5
Joel D Gaston, Lauren L Bischel, Lisa A Fitzgerald, Kathleen D Cusick, Bradley R Ringeisen, Russell K Pirlo
Disruption of the blood-brain barrier (BBB) is the hallmark of many neurovascular disorders, making it a critically important focus for therapeutic options. However, testing the effects of either drugs or pathological agents is difficult due to the potentially damaging consequences of altering the normal brain microenvironment. Recently, in vitro coculture tissue models have been developed as an alternative to animal testing. Despite low cost, these platforms use synthetic scaffolds which prevent normal barrier architecture, cellular crosstalk, and tissue remodeling...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29317994/comparative-analysis-of-hybrid-models-for-prediction-of-bp-reactivity-to-crossed-legs
#6
Gurmanik Kaur, Ajat Shatru Arora, Vijender Kumar Jain
Crossing the legs at the knees, during BP measurement, is one of the several physiological stimuli that considerably influence the accuracy of BP measurements. Therefore, it is paramount to develop an appropriate prediction model for interpreting influence of crossed legs on BP. This research work described the use of principal component analysis- (PCA-) fused forward stepwise regression (FSWR), artificial neural network (ANN), adaptive neuro fuzzy inference system (ANFIS), and least squares support vector machine (LS-SVM) models for prediction of BP reactivity to crossed legs among the normotensive and hypertensive participants...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29312656/assessment-of-homodyned-k-distribution-modeling-ultrasonic-speckles-from-scatterers-with-varying-spatial-organizations
#7
Xiao Hu, Yufeng Zhang, Li Deng, Guanghui Cai, Qinghui Zhang, Yi Zhou, Kexin Zhang, Junhua Zhang
Objective: This paper presents an assessment of physical meanings of parameter and goodness of fit for homodyned K (HK) distribution modeling ultrasonic speckles from scatterer distributions with wide-varying spatial organizations. Methods: A set of 3D scatterer phantoms based on gamma distributions is built to be implemented from the clustered to random to uniform scatterer distributions continuously. The model parameters are obtained by maximum likelihood estimation (MLE) from statistical histograms of the ultrasonic envelope data and then compared with those by the optimally fitting models chosen from three single distributions...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29312655/clinical-decision-support-system-for-diabetes-based-on-ontology-reasoning-and-topsis-analysis
#8
Rung-Ching Chen, Hui Qin Jiang, Chung-Yi Huang, Cho-Tsan Bau
Introduction: Although a number of researchers have considered the positive potential of Clinical Decision Support System (CDSS), they did not consider that patients' attitude which leads to active treatment strategies or HbA1c targets. Materials and Methods: We adopted the American Diabetes Association (ADA) and the European Association for the Study of Diabetes (EASD) published to propose an HbA1c target and antidiabetic medication recommendation system for patients...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29312654/a-comparative-analysis-of-pid-lead-lag-lead-lag-and-cascaded-lead-controllers-for-a-drug-infusion-system
#9
Zuwwar Khan Jadoon, Sobia Shakeel, Abeera Saleem, Ali Khaqan, Sana Shuja, Qadeer Ul-Hasan, Shahzad A Malik, Raja Ali Riaz
Goal: The aim of this paper is to conduct a comprehensive comparative analysis between five different controllers for a drug infusion system in total intravenous anesthesia (TIVA) administration. Methods: The proposed method models a dilution chamber with first order exponential decay characteristics to represent the pharmacokinetic decay of a drug. The dilution chamber is integrated with five different control techniques with a simulation-based comparative analysis performed between them...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29279773/automatic-cdr-estimation-for-early-glaucoma-diagnosis
#10
M A Fernandez-Granero, A Sarmiento, D Sanchez-Morillo, S Jiménez, P Alemany, I Fondón
Glaucoma is a degenerative disease that constitutes the second cause of blindness in developed countries. Although it cannot be cured, its progression can be prevented through early diagnosis. In this paper, we propose a new algorithm for automatic glaucoma diagnosis based on retinal colour images. We focus on capturing the inherent colour changes of optic disc (OD) and cup borders by computing several colour derivatives in CIE L∗a∗b∗ colour space with CIE94 colour distance. In addition, we consider spatial information retaining these colour derivatives and the original CIE L∗a∗b∗ values of the pixel and adding other characteristics such as its distance to the OD centre...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29250306/a-3d-scan-model-and-thermal-image-data-fusion-algorithms-for-3d-thermography-in-medicine
#11
Adam Chromy, Ondrej Klima
Objectives: At present, medical thermal imaging is still considered a mere qualitative tool enabling us to distinguish between but lacking the ability to quantify the physiological and nonphysiological states of the body. Such a capability would, however, facilitate solving the problem of medical quantification, whose presence currently manifests itself within the entire healthcare system. Methods: A generally applicable method to enhance captured 3D spatial data carrying temperature-related information is presented; in this context, all equations required for other data fusions are derived...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29238512/an-approach-to-developing-customized-total-knee-replacement-implants
#12
Xinyu Li, Changjiang Wang, Yuan Guo, Weiyi Chen
Total knee replacement (TKR) has been performed for patients with end-stage knee joint arthritis to relieve pain and gain functions. Most knee replacement patients can gain satisfactory knee functions; however, the range of motion of the implanted knee is variable. There are many designs of TKR implants; it has been suggested by some researchers that customized implants could offer a better option for patients. Currently, the 3-dimensional knee model of a patient can be created from magnetic resonance imaging (MRI) or computed tomography (CT) data using image processing techniques...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29230275/the-efficacy-of-a-haptic-enhanced-virtual-reality-system-for-precision-grasp-acquisition-in-stroke-rehabilitation
#13
Shih-Ching Yeh, Si-Huei Lee, Rai-Chi Chan, Yi Wu, Li-Rong Zheng, Sheryl Flynn
Stroke is a leading cause of long-term disability, and virtual reality- (VR-) based stroke rehabilitation is effective in increasing motivation and the functional performance. Although much of the functional reach and grasp capabilities of the upper extremities were regained, the pinch movement remains impaired following stroke. In this study, we developed a haptic-enhanced VR system to simulate haptic pinch tasks to assist the recovery of upper-extremity fine motor function. We recruited 16 adults with stroke to verify the efficacy of this new VR system...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29214006/biomechanics-in-musculoskeletal-health
#14
EDITORIAL
Wenxin Niu, Ming Zhang, Jie Yao, Liping Wang, Ka-Chun Siu
No abstract text is available yet for this article.
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29214005/semantics-powered-healthcare-engineering-and-data-analytics
#15
EDITORIAL
Zhe He, Cui Tao, Jiang Bian, Michel Dumontier, William R Hogan
No abstract text is available yet for this article.
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29209491/a-3d-printed-sensor-for-monitoring-biosignals-in-small-animals
#16
Sung-Joon Cho, Donghak Byun, Tai-Seung Nam, Seok-Yong Choi, Byung-Geun Lee, Myeong-Kyu Kim, Sohee Kim
Although additive manufacturing technologies, also known as 3D printing, were first introduced in the 1980s, they have recently gained remarkable popularity owing to decreased costs. 3D printing has already emerged as a viable technology in many industries; in particular, it is a good replacement for microfabrication technology. Microfabrication technology usually requires expensive clean room equipment and skilled engineers; however, 3D printing can reduce both cost and time dramatically. Although 3D printing technology has started to emerge into microfabrication manufacturing and medical applications, it is typically limited to creating mechanical structures such as hip prosthesis or dental implants...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29204258/a-remote-health-monitoring-system-for-the-elderly-based-on-smart-home-gateway
#17
Kai Guan, Minggang Shao, Shuicai Wu
This paper proposed a remote health monitoring system for the elderly based on smart home gateway. The proposed system consists of three parts: the smart clothing, the smart home gateway, and the health care server. The smart clothing collects the elderly's electrocardiogram (ECG) and motion signals. The home gateway is used for data transmission. The health care server provides services of data storage and user information management; it is constructed on the Windows-Apache-MySQL-PHP (WAMP) platform and is tested on the Ali Cloud platform...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29204257/feature-based-retinal-image-registration-using-d-saddle-feature
#18
Roziana Ramli, Mohd Yamani Idna Idris, Khairunnisa Hasikin, Noor Khairiah A Karim, Ainuddin Wahid Abdul Wahab, Ismail Ahmedy, Fatimah Ahmedy, Nahrizul Adib Kadri, Hamzah Arof
Retinal image registration is important to assist diagnosis and monitor retinal diseases, such as diabetic retinopathy and glaucoma. However, registering retinal images for various registration applications requires the detection and distribution of feature points on the low-quality region that consists of vessels of varying contrast and sizes. A recent feature detector known as Saddle detects feature points on vessels that are poorly distributed and densely positioned on strong contrast vessels. Therefore, we propose a multiresolution difference of Gaussian pyramid with Saddle detector (D-Saddle) to detect feature points on the low-quality region that consists of vessels with varying contrast and sizes...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29201333/development-of-the-arabic-voice-pathology-database-and-its-evaluation-by-using-speech-features-and-machine-learning-algorithms
#19
Tamer A Mesallam, Mohamed Farahat, Khalid H Malki, Mansour Alsulaiman, Zulfiqar Ali, Ahmed Al-Nasheri, Ghulam Muhammad
A voice disorder database is an essential element in doing research on automatic voice disorder detection and classification. Ethnicity affects the voice characteristics of a person, and so it is necessary to develop a database by collecting the voice samples of the targeted ethnic group. This will enhance the chances of arriving at a global solution for the accurate and reliable diagnosis of voice disorders by understanding the characteristics of a local group. Motivated by such idea, an Arabic voice pathology database (AVPD) is designed and developed in this study by recording three vowels, running speech, and isolated words...
2017: Journal of Healthcare Engineering
https://www.readbyqxmd.com/read/29201332/an-improved-random-walker-with-bayes-model-for-volumetric-medical-image-segmentation
#20
Chunhua Dong, Xiangyan Zeng, Lanfen Lin, Hongjie Hu, Xianhua Han, Masoud Naghedolfeizi, Dawit Aberra, Yen-Wei Chen
Random walk (RW) method has been widely used to segment the organ in the volumetric medical image. However, it leads to a very large-scale graph due to a number of nodes equal to a voxel number and inaccurate segmentation because of the unavailability of appropriate initial seed point setting. In addition, the classical RW algorithm was designed for a user to mark a few pixels with an arbitrary number of labels, regardless of the intensity and shape information of the organ. Hence, we propose a prior knowledge-based Bayes random walk framework to segment the volumetric medical image in a slice-by-slice manner...
2017: Journal of Healthcare Engineering
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