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Journal of Medical Systems

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https://www.readbyqxmd.com/read/28326490/virtual-reality-educational-tool-for-human-anatomy
#1
Santiago González Izard, Juan A Juanes Méndez, Pablo Ruisoto Palomera
Virtual Reality is becoming widespread in our society within very different areas, from industry to entertainment. It has many advantages in education as well, since it allows visualizing almost any object or going anywhere in a unique way. We will be focusing on medical education, and more specifically anatomy, where its use is especially interesting because it allows studying any structure of the human body by placing the user inside each one. By allowing virtual immersion in a body structure such as the interior of the cranium, stereoscopic vision goggles make these innovative teaching technologies a powerful tool for training in all areas of health sciences...
May 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28324321/structured-data-entry-in-the-electronic-medical-record-perspectives-of-pediatric-specialty-physicians-and-surgeons
#2
Ruth A Bush, Cynthia Kuelbs, Julie Ryu, Wen Jiang, George Chiang
The Epic electronic health record (EHR) platform supports structured data entry systems (SDES), which allow developers, with input from users, to create highly customized patient-record templates in order to maximize data completeness and to standardize structure. There are many potential advantages of using discrete data fields in the EHR to capture data for secondary analysis and epidemiological research, but direct data acquisition from clinicians remains one of the largest obstacles to leveraging the EHR for secondary use...
May 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28321589/the-development-of-a-telemedicine-planning-framework-based-on-needs-assessment
#3
Sharifah AlDossary, Melinda G Martin-Khan, Natalie K Bradford, Nigel R Armfield, Anthony C Smith
Providing equitable access to healthcare services in rural and remote communities is an ongoing challenge that faces most governments. By increasing access to specialty expertise, telemedicine may be a potential solution to this problem. Regardless of its potential, many telemedicine initiatives do not progress beyond the research phase, and are not implemented into mainstream practice. One reason may be that some telemedicine services are developed without the appropriate planning to ascertain community needs and clinical requirements...
May 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28321588/use-of-bioimpedianciometer-as-predictor-of-mountain-marathon-performance
#4
Vicente Javier Clemente-Suarez, Pantelis Theodoros Nikolaidis
This study aimed to examine the relation among body composition, training experience and race time during a mountain marathon. Body composition and training pre-race experience analyses were conducted previous to a mountain marathon in 52 male athletes. A significant correlation between race time and mountain marathon with chronological age, body fat mass, percentage of body fat (BF), level of abdominal obesity, sport experience and daily training volume was revealed. In addition, BF and athlete's chronological age were negatively associated with race performance...
May 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28303432/network-coded-cooperative-communication-in-a-real-time-wireless-hospital-sensor-network
#5
R Prakash, A Balaji Ganesh, Somu Sivabalan
The paper presents a network coded cooperative communication (NC-CC) enabled wireless hospital sensor network architecture for monitoring health as well as postural activities of a patient. A wearable device, referred as a smartband is interfaced with pulse rate, body temperature sensors and an accelerometer along with wireless protocol services, such as Bluetooth and Radio-Frequency transceiver and Wi-Fi. The energy efficiency of wearable device is improved by embedding a linear acceleration based transmission duty cycling algorithm (NC-DRDC)...
May 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28293869/an-intelligent-body-posture-analysis-model-using-multi-sensors-for-long-term-physical-rehabilitation
#6
Chin-Feng Lai, Ren-Hung Hwang, Ying-Hsun Lai
Sensors can be installed on various body parts to provide information for computer diagnosis to identify the current body state. However, as human posture is subject to gravity, the direction of the force on each limb differs. For example, the directions of gravitational force on legs and trunk differ. In addition, each person's height and structure of limbs differs, hence, the acceleration and rotation resulted from such differences on force and length of the limbs of a person in motion would be different, and be presented by cases of different postures...
April 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28285460/recent-advancements-in-retinal-vessel-segmentation
#7
Chetan L Srinidhi, P Aparna, Jeny Rajan
Retinal vessel segmentation is a key step towards the accurate visualization, diagnosis, early treatment and surgery planning of ocular diseases. For the last two decades, a tremendous amount of research has been dedicated in developing automated methods for segmentation of blood vessels from retinal fundus images. Despite the fact, segmentation of retinal vessels still remains a challenging task due to the presence of abnormalities, varying size and shape of the vessels, non-uniform illumination and anatomical variability between subjects...
April 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28285459/a-critical-review-for-developing-accurate-and-dynamic-predictive-models-using-machine-learning-methods-in-medicine-and-health-care
#8
Hamdan O Alanazi, Abdul Hanan Abdullah, Kashif Naseer Qureshi
Recently, Artificial Intelligence (AI) has been used widely in medicine and health care sector. In machine learning, the classification or prediction is a major field of AI. Today, the study of existing predictive models based on machine learning methods is extremely active. Doctors need accurate predictions for the outcomes of their patients' diseases. In addition, for accurate predictions, timing is another significant factor that influences treatment decisions. In this paper, existing predictive models in medicine and health care have critically reviewed...
April 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28284000/a-method-for-microcalcifications-detection-in-breast-mammograms
#9
Abbas H Hassin Alasadi, Ahmed Kadem Hamed Al-Saedi
Breast cancer is the most cause of death for women above age 40 around the world. In this paper, we propose a method to detect microcalcifications in digital mammography images using two-dimensional Discrete Wavelets Transform and image enhancement techniques for removing noise as well as to get a better contrast. The initial step is applying a preprocessing techniques to improve the edge of the breast and then segmentation process (Region of interest) for eliminating some regions in the image, which are not useful for the mammography interpretation...
April 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28283999/a-semantic-based-model-for-triage-patients-in-emergency-departments
#10
Guilherme Wunsch, Cristiano A da Costa, Rodrigo R Righi
Triage is a process performed in an emergency department that aims to sort patients according to their need for care. When performed speedily and correctly, this process can potentially increase the chances of survival for a patient with serious complications. This study aims to develop a computer model, called UbiTriagem, which supports the process of triage using the concepts of web semantics and ubiquitous computing focused on healthcare. For evaluating the proposal, we performed an analysis of scenario-driven triage based on previously determined ratings...
April 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28283998/anesthesia-residents-preferentially-request-operating-room-case-assignments-with-complex-cases
#11
Peggy Y Kim, Jonathan P Wanderer, David W Allbritton, Matthias Eikermann, Keith Baker
Self-directed learning is associated with knowledge and performance improvements, increased identification and amelioration of knowledge gaps, and heightened critical appraisal of available evidence. We developed and implemented a decision support system that could support self-directed learning for anesthesia residents by soliciting resident input in case selection. We hypothesized that residents would utilize this system to request complex cases, and that more advanced residents would request more complex cases...
April 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28283997/decision-support-system-for-detection-of-papilledema-through-fundus-retinal-images
#12
Shahzad Akbar, Muhammad Usman Akram, Muhammad Sharif, Anam Tariq, Ubaid Ullah Yasin
A condition in which the optic nerve inside the eye is swelled due to increased intracranial pressure is known as papilledema. The abnormalities due to papilledema such as opacification of Retinal Nerve Fiber Layer (RNFL), dilated optic disc capillaries, blurred disc margins, absence of venous pulsations, elevation of optic disc, obscuration of optic disc vessels, dilation of optic disc veins, optic disc splinter hemorrhages, cotton wool spots and hard exudates may result in complete vision loss. The ophthalmologists detect papilledema by means of an ophthalmoscope, Computed Tomography (CT), Magnetic Resonance Imaging (MRI) and ultrasound...
April 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28283996/the-design-and-validation-of-a-child-developmental-e-screening-system
#13
Hsin-Yi Kathy Cheng, Hsien-Tsung Chang, Po-Hsin Huang, Yan-Ying Ju, Li-Ying Chen, Kevin C Tseng
An effective screening test could significantly impact identification of developmental delays at an early age. However, many studies have shown that delay screenings still use text-based screening survey questionnaires. Unfortunately, the traditional text-based screening method tends to be fairly passive. In addition, the advantages of using an interactive system and animation have been shown to lead to positive effects on learning in medical research. Therefore, a multimedia screening system is necessary. This study constructs a system architecture to develop an e-screening system for child developmental delays...
April 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28281202/erratum-to-seeking-medical-information-using-mobile-apps-and-the-internet-are-family-caregivers-different-from-the-general-public
#14
Hyunmin Kim, M Paige Powell, Soumitra S Bhuyan
No abstract text is available yet for this article.
April 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28271463/a-literature-review-on-validated-simulations-of-the-surgical-services
#15
K W Soh, C Walker, M O'Sullivan
The surgical department is a critical unit that oversees multiple surgical-based clinical pathways and works with various other units in a hospital. This department faces numerous challenges relating to variability in demand and management of resources. The aim of this article is to review the application of validated simulation models on hospital-wide surgical services. Each of these models is broadly classified by (i) simulation method and (ii) level of detail given to the management of "patient pathways" and "staff workflows"...
April 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28271462/a-qualitative-study-of-the-barriers-and-opportunities-for-adoption-of-web-portals-for-doctors-and-patients-in-russia
#16
Georgy Kopanitsa
The use of Web portals has several benefits. They have been proven to enhance communication between patients and health care professionals, allow patients to play a more active role in their own treatment and self-management, increase self-efficiency. Doctors can access patients' medical data and give recommendations to the patients. Some evidence of positive outcomes has been reported including improved clinical indicators and reduced health service use, as well as enhanced feelings of security and increased satisfaction with health and social care services...
April 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28247307/automated-diagnosis-of-heart-sounds-using-rule-based-classification-tree
#17
Mohamed Esmail Karar, Sahar H El-Khafif, Mohamed A El-Brawany
In order to assist the diagnosis procedure of heart sound signals, this paper presents a new automated method for classifying the heart status using a rule-based classification tree into normal and three abnormal cases; namely the aortic valve stenosis, aortic insufficient, and ventricular septum defect. The developed method includes three main steps as follows. First, one cycle of the heart sound signals is automatically detected and segmented based on time properties of the heart signals. Second, the segmented cycle is preprocessed with the discrete wavelet transform and then largest Lyapunov exponents are calculated to generate the dynamical features of heart sound time series...
April 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28247306/a-double-chaotic-layer-encryption-algorithm-for-clinical-signals-in-telemedicine
#18
M A Murillo-Escobar, L Cardoza-Avendaño, R M López-Gutiérrez, C Cruz-Hernández
Recently, telemedicine offers medical services remotely via telecommunications systems and physiological monitoring devices. This scheme provides healthcare delivery services between physicians and patients conveniently, since some patients can not attend the hospital due to any reason. However, transmission of information over an insecure channel such as internet or private data storing generates a security problem. Therefore, authentication, confidentiality, and privacy are important challenges in telemedicine, where only authorized users should have access to medical or clinical records...
April 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28247305/virtual-laparoscopic-training-system-based-on-vch-model
#19
Jiangzhou Tang, Lang Xu, Longjun He, Songluan Guan, Xing Ming, Qian Liu
Laparoscopy has been widely used to perform abdominal surgeries, as it is advantageous in that the patients experience lower post-surgical trauma, shorter convalescence, and less pain as compared to traditional surgery. Laparoscopic surgeries require precision; therefore, it is imperative to train surgeons to reduce the risk of operation. Laparoscopic simulators offer a highly realistic surgical environment by using virtual reality technology, and it can improve the training efficiency of laparoscopic surgery...
April 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28247304/an-ensemble-rule-learning-approach-for-automated-morphological-classification-of-erythrocytes
#20
Maitreya Maity, Tushar Mungle, Dhiraj Dhane, A K Maiti, Chandan Chakraborty
The analysis of pathophysiological change to erythrocytes is important for early diagnosis of anaemia. The manual assessment of pathology slides is time-consuming and complicated regarding various types of cell identification. This paper proposes an ensemble rule-based decision-making approach for morphological classification of erythrocytes. Firstly, the digital microscopic blood smear images are pre-processed for removal of spurious regions followed by colour normalisation and thresholding. The erythrocytes are segmented from background image using the watershed algorithm...
April 2017: Journal of Medical Systems
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