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Journal of Medical Systems

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https://www.readbyqxmd.com/read/28102467/mypod-an-emr-based-tool-that-facilitates-quality-improvement-and-maintenance-of-certification
#1
Loren Berman, Brian Duffy, B Randall Brenn, Charles Vinocur
Maintenance of Certification (MOC) was designed to assess physician competencies including operative case volume and outcomes. This information, if collected consistently and systematically, can be used to facilitate quality improvement. Information automatically extracted from the electronic medical record (EMR) can be used as a prompt to compile these data. We developed an EMR-based program called MyPOD (My Personal Outcomes Data) to track surgical outcomes at our institution. We compared occurrences reported in the first 18 months to those captured in the American College of Surgeons National Surgical Quality Improvement Program-Pediatric (ACS NSQIP-P) over the same time period...
March 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28101781/seeking-medical-information-using-mobile-apps-and-the-internet-are-family-caregivers-different-from-the-general-public
#2
Hyunmin Kim, M Paige Powell, Soumitra S Bhuyan, Soumitra Sudip Bhuyan
Family caregivers play an important role to care cancer patients since they exchange medical information with health care providers. However, relatively little is known about how family caregivers seek medical information using mobile apps and the Internet. We examined factors associated with medical information seeking by using mobile apps and the Internet among family caregivers and the general public using data from the 2014 Health Information National Trends Survey 4 Cycle 1. The study sample consisted of 2425 family caregivers and 1252 non-family caregivers (the general public)...
March 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28093660/privacy-preserving-integration-of-medical-data-a-practical-multiparty-private-set-intersection
#3
Atsuko Miyaji, Kazuhisa Nakasho, Shohei Nishida
Medical data are often maintained by different organizations. However, detailed analyses sometimes require these datasets to be integrated without violating patient or commercial privacy. Multiparty Private Set Intersection (MPSI), which is an important privacy-preserving protocol, computes an intersection of multiple private datasets. This approach ensures that only designated parties can identify the intersection. In this paper, we propose a practical MPSI that satisfies the following requirements: The size of the datasets maintained by the different parties is independent of the others, and the computational complexity of the dataset held by each party is independent of the number of parties...
March 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28084601/digitized-hand-skateboard-based-on-ir-camera-for-upper-limb-rehabilitation
#4
Chih-Chen Chen, Chun-Yen Liu, Shih-Hsiang Ciou, Shih-Ching Chen, Yu-Luen Chen
Abnormal upper limb function seriously impacts a patient's daily life. After receiving emergency treatment patient should receive function-rebuilding and recovery training. The objective of this study is to integrate IR-camera, an infrared emitter, with a conventional passive hand skateboard training device for conventional upper limb training and the training process is comprehensively recorded and analyzed. Patients participating in the occupational therapy have a binding band attached to hand skateboard on the table to guide the patient in moving the hand skateboard along the designated path to train the patient's upper limbs...
February 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28063016/optimized-fpga-implementation-of-the-thyroid-hormone-secretion-mechanism-using-cad-tools
#5
Jaafar M Alghazo
The goal of this paper is to implement the secretion mechanism of the Thyroid Hormone (TH) based on bio-mathematical differential eqs. (DE) on an FPGA chip. Hardware Descriptive Language (HDL) is used to develop a behavioral model of the mechanism derived from the DE. The Thyroid Hormone secretion mechanism is simulated with the interaction of the related stimulating and inhibiting hormones. Synthesis of the simulation is done with the aid of CAD tools and downloaded on a Field Programmable Gate Arrays (FPGAs) Chip...
February 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28054196/bat-inspired-algorithm-based-query-expansion-for-medical-web-information-retrieval
#6
Ilyes Khennak, Habiba Drias
With the increasing amount of medical data available on the Web, looking for health information has become one of the most widely searched topics on the Internet. Patients and people of several backgrounds are now using Web search engines to acquire medical information, including information about a specific disease, medical treatment or professional advice. Nonetheless, due to a lack of medical knowledge, many laypeople have difficulties in forming appropriate queries to articulate their inquiries, which deem their search queries to be imprecise due the use of unclear keywords...
February 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28054195/innovative-power-of-health-care-organisations-affects-it-adoption-a-bi-national-health-it-benchmark-comparing-austria-and-germany
#7
Jens Hüsers, Ursula Hübner, Moritz Esdar, Elske Ammenwerth, Werner O Hackl, Laura Naumann, Jan David Liebe
Multinational health IT benchmarks foster cross-country learning and have been employed at various levels, e.g. OECD and Nordic countries. A bi-national benchmark study conducted in 2007 revealed a significantly higher adoption of health IT in Austria compared to Germany, two countries with comparable healthcare systems. We now investigated whether these differences still persisted. We further studied whether these differences were associated with hospital intrinsic factors, i.e. the innovative power of the organisation and hospital demographics...
February 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28050745/an-evolving-ecosystem-for-natural-language-processing-in-department-of-veterans-affairs
#8
Jennifer H Garvin, Megha Kalsy, Cynthia Brandt, Stephen L Luther, Guy Divita, Gregory Coronado, Doug Redd, Carrie Christensen, Brent Hill, Natalie Kelly, Qing Zeng Treitler
In an ideal clinical Natural Language Processing (NLP) ecosystem, researchers and developers would be able to collaborate with others, undertake validation of NLP systems, components, and related resources, and disseminate them. We captured requirements and formative evaluation data from the Veterans Affairs (VA) Clinical NLP Ecosystem stakeholders using semi-structured interviews and meeting discussions. We developed a coding rubric to code interviews. We assessed inter-coder reliability using percent agreement and the kappa statistic...
February 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28035640/a-multi-directional-perfect-reconstruction-filter-bank-designed-with-2-d-eigenfilter-approach-application-to-ultrasound-speckle-reduction
#9
Mukund B Nagare, Bhushan D Patil, Raghunath S Holambe
B-Mode ultrasound images are degraded by inherent noise called Speckle, which creates a considerable impact on image quality. This noise reduces the accuracy of image analysis and interpretation. Therefore, reduction of speckle noise is an essential task which improves the accuracy of the clinical diagnostics. In this paper, a Multi-directional perfect-reconstruction (PR) filter bank is proposed based on 2-D eigenfilter approach. The proposed method used for the design of two-dimensional (2-D) two-channel linear-phase FIR perfect-reconstruction filter bank...
February 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28032305/an-assisted-diagnosis-system-for-detection-of-early-pulmonary-nodule-in-computed-tomography-images
#10
Ji-Kui Liu, Hong-Yang Jiang, Meng-di Gao, Chen-Guang He, Yu Wang, Pu Wang, He Ma, Ye Li
Lung cancer is still the most concerned disease around the world. Lung nodule generates in the pulmonary parenchyma which indicates the latent risk of lung cancer. Computer-aided pulmonary nodules detection system is necessary, which can reduce diagnosis time and decrease mortality of patients. In this study, we have proposed a new computer aided diagnosis (CAD) system for detection of early pulmonary nodule, which can help radiologists quickly locate suspected nodules and make judgments. This system consists of four main sections: pulmonary parenchyma segmentation, nodule candidate detection, features extraction (total 22 features) and nodule classification...
February 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28028764/literature-review-of-patient-record-structures-from-the-physician-s-perspective
#11
Heikki Forsvik, Ville Voipio, Johanna Lamminen, Persephone Doupi, Hannele Hyppönen, Riikka Vuokko
The Finnish Patient Data Repository is a nationwide electronic health record (EHR) system collecting patient data from all healthcare providers. The usefulness of the large amount of data stored in the system depends on the underlying data structures, and thus a solid understanding of these structures is in focus in further development of the data repository. This study seeks to improve that understanding by a systematic literature review. The review takes the physician's perspective to the use and usefulness of the data structures...
February 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28028763/building-a-personalized-cancer-treatment-system
#12
Alexandra Martinez, Gustavo López, Constantino Bola Nos, Daniel Alvarado, Andrés Solano, Mariana López, Andrés Báez, Steve Quirós, Rodrigo Mora
This paper reports the process by which a personalized cancer treatment system was built, following a user-centered approach. We give some background on personalized cancer treatment, the particular tumor chemosensitivity assay supported by the system, as well as some quality and legal issues related to such health systems. We describe how Contextual Design was applied when building the system. Contextual design is a user-centered design technique involving seven steps. We also provide some details about the system implementation...
February 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28005249/runtime-verification-of-pacemaker-functionality-using-hierarchical-fuzzy-colored-petri-nets
#13
Negar Majma, Seyed Morteza Babamir, Amirhassan Monadjemi
Today, implanted medical devices are increasingly used for many patients and in case of diverse health problems. However, several runtime problems and errors are reported by the relevant organizations, even resulting in patient death. One of those devices is the pacemaker. The pacemaker is a device helping the patient to regulate the heartbeat by connecting to the cardiac vessels. This device is directed by its software, so any failure in this software causes a serious malfunction. Therefore, this study aims to a better way to monitor the device's software behavior to decrease the failure risk...
February 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28005248/characterizing-architectural-distortion-in-mammograms-by-linear-saliency
#14
Fabián Narváez, Jorge Alvarez, Juan D Garcia-Arteaga, Jonathan Tarquino, Eduardo Romero
Architectural distortion (AD) is a common cause of false-negatives in mammograms. This lesion usually consists of a central retraction of the connective tissue and a spiculated pattern radiating from it. This pattern is difficult to detect due the complex superposition of breast tissue. This paper presents a novel AD characterization by representing the linear saliency in mammography Regions of Interest (ROI) as a graph composed of nodes corresponding to locations along the ROI boundary and edges with a weight proportional to the line intensity integrals along the path connecting any pair of nodes...
February 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28004287/an-efficient-remote-authentication-scheme-for-wireless-body-area-network
#15
Anyembe Andrew Omala, Kittur P Kibiwott, Fagen Li
Wireless body area network (WBAN) provide a mechanism of transmitting a persons physiological data to application providers e.g. hospital. Given the limited range of connectivity associated with WBAN, an intermediate portable device e.g. smartphone, placed within WBAN's connectivity, forwards the data to a remote server. This data, if not protected from an unauthorized access and modification may be lead to poor diagnosis. In order to ensure security and privacy between WBAN and a server at the application provider, several authentication schemes have been proposed...
February 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28000118/smart-sensor-based-motion-detection-system-for-hand-movement-training-in-open-surgery
#16
Xinyao Sun, Simon Byrns, Irene Cheng, Bin Zheng, Anup Basu
We introduce a smart sensor-based motion detection technique for objective measurement and assessment of surgical dexterity among users at different experience levels. The goal is to allow trainees to evaluate their performance based on a reference model shared through communication technology, e.g., the Internet, without the physical presence of an evaluating surgeon. While in the current implementation we used a Leap Motion Controller to obtain motion data for analysis, our technique can be applied to motion data captured by other smart sensors, e...
February 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28000117/monitoring-indoor-air-quality-for-enhanced-occupational-health
#17
Rui Pitarma, Gonçalo Marques, Bárbara Roque Ferreira
Indoor environments are characterized by several pollutant sources. Because people spend more than 90% of their time in indoor environments, several studies have pointed out the impact of indoor air quality on the etiopathogenesis of a wide number of non-specific symptoms which characterizes the "Sick Building Syndrome", involving the skin, the upper and lower respiratory tract, the eyes and the nervous system, as well as many building related diseases. Thus, indoor air quality (IAQ) is recognized as an important factor to be controlled for the occupants' health and comfort...
February 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28000116/communication-patterns-in-the-perioperative-environment-during-epic-electronic-health-record-system-implementation
#18
Tynan H Friend, Samantha J Jennings, Wilton C Levine
In April 2016, Massachusetts General Hospital (MGH) went live with the Epic electronic health records (EHR) system, replacing a variety of EHRs that previously existed in different departments throughout the hospital. At the time of implementation, the Vocera® Badge Communication System, a wireless hands-free communication device distributed to perioperative team members, had increased perioperative communication flow and efficiency. As a quality improvement effort to better understand communication patterns during an EHR go-live, we monitored our Vocera call volume and user volume before, during and after our go-live...
February 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/27987159/a-novel-nonlinear-mathematical-model-of-thoracic-wall-mechanics-during-cardiopulmonary-resuscitation-based-on-a-porcine-model-of-cardiac-arrest
#19
Ali Jalali, Allan F Simpao, Vinay M Nadkarni, Robert A Berg, C Nataraj
Cardiopulmonary resuscitation (CPR) is used widely to rescue cardiac arrest patients, yet some physiological aspects of the procedure remain poorly understood. We conducted this study to characterize the dynamic mechanical properties of the thorax during CPR in a swine model. This is an important step toward determining optimal CPR chest compression mechanics with the goals of improving the fidelity of CPR simulation manikins and ideally chest compression delivery in real-life resuscitations. This paper presents a novel nonlinear model of the thorax that captures the complex behavior of the chest during CPR...
February 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/27987158/telegenetics-an-update-on-availability-and-use-of-telemedicine-in-clinical-genetics-service
#20
Irena Vrečar, Dimitar Hristovski, Borut Peterlin
Although telegenetics as a telehealth tool for online genetic counseling was primarily initiated to improve access to genetics care in remote areas, the increasing demand for genetic services with personalized genomic medicine, shortage of clinical geneticists, and the expertise of established genetic centers make telegenetics an attractive alternative to traditional in-person genetic counseling. We review the scope of current telegenetics practice, user experience of patients and clinicians, quality of care in comparison to traditional counseling, and the advantages and disadvantages of information and communication technology in telegenetics...
February 2017: Journal of Medical Systems
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