Healthcare Informatics Research.2011;17(2):139-142. doi:10.4258/hir.2011.17.2.139
Healthcare Informatics Research
1995 to Present ISSN: 2093-3681
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The Uses of the Smartphone for Doctors: An Empirical Study from Samsung Medical Center.
Healthcare Informatics Research.2011;17(2):131-138. doi:10.4258/hir.2011.17.2.131
OBJECTIVES: In healthcare, mobile computing made possible by smartphones is becoming an important tool among healthcare professionals. However, currently there is very little research into the effectiveness of such applications of technology. This study aims to present a framework for a smartphone application to give doctors mobile access to patient information, then review the consequences of its use and discuss its future direction. METHODS: Since 2003 when Samsung Medical Center introduced its first mobile application, a need to develop a new application targeting the latest smartphone technology was identified. To that end, an application named Dr. SMART S was officially launched on December 22nd, 2010. RESULTS: We analyzed the usage data of the application for a month until April 25th, 2011. On average, 170 doctors (13% of the entire body of doctors) logged on 2.4 times per day and that number keeps growing. The number was uniformly distributed across all working hours, with exceptions of heavy accesses around 6-8 AM and 4-6 PM when doctors do their regular rounds to see the patients. The most commonly accessed content was inpatient information, this constituted 78.6% of all accesses, within this 50% was to accesses lab results. CONCLUSIONS: Looking at the usage data, we can see the use of Dr. SMART S by doctors is growing in sync with the popularity of smartphones. Since u-Health seem an inevitable future trend, a more rigorous study needs to be conducted on how such mobile applications as Dr. SMART S affect the quality of care and patient safety to derive directions for further improvements.
Computers, Handheld ; Delivery of Health Care ; Hospital Information Systems ; Humans ; Inpatients ; Medical Informatics Applications ; Patient Safety ; Pyridines ; Thiazoles
Computers, Handheld ; Delivery of Health Care ; Hospital Information Systems ; Humans ; Inpatients ; Medical Informatics Applications ; Patient Safety ; Pyridines ; Thiazoles
Evaluation of Term Ranking Algorithms for Pseudo-Relevance Feedback in MEDLINE Retrieval.
Healthcare Informatics Research.2011;17(2):120-130. doi:10.4258/hir.2011.17.2.120
OBJECTIVES: The purpose of this study was to investigate the effects of query expansion algorithms for MEDLINE retrieval within a pseudo-relevance feedback framework. METHODS: A number of query expansion algorithms were tested using various term ranking formulas, focusing on query expansion based on pseudo-relevance feedback. The OHSUMED test collection, which is a subset of the MEDLINE database, was used as a test corpus. Various ranking algorithms were tested in combination with different term re-weighting algorithms. RESULTS: Our comprehensive evaluation showed that the local context analysis ranking algorithm, when used in combination with one of the reweighting algorithms - Rocchio, the probabilistic model, and our variants - significantly outperformed other algorithm combinations by up to 12% (paired t-test; p < 0.05). In a pseudo-relevance feedback framework, effective query expansion would be achieved by the careful consideration of term ranking and re-weighting algorithm pairs, at least in the context of the OHSUMED corpus. CONCLUSIONS: Comparative experiments on term ranking algorithms were performed in the context of a subset of MEDLINE documents. With medical documents, local context analysis, which uses co-occurrence with all query terms, significantly outperformed various term ranking methods based on both frequency and distribution analyses. Furthermore, the results of the experiments demonstrated that the term rank-based re-weighting method contributed to a remarkable improvement in mean average precision.
Information Storage and Retrieval ; Models, Statistical
Information Storage and Retrieval ; Models, Statistical
Healthcare Informatics Research.2011;17(2):111-119. doi:10.4258/hir.2011.17.2.111
OBJECTIVES: The mucociliary transport system is a major defense mechanism of the respiratory tract. The performance of mucous transportation in the nasal cavity can be represented by a ciliary beating frequency (CBF). This study proposes a novel method to measure CBF by using optical flow. METHODS: To obtain objective estimates of CBF from video images, an automated computer-based image processing technique is developed. This study proposes a new method based on optical flow for image processing and peak detection for signal processing. We compare the measuring accuracy of the method in various combinations of image processing (optical flow versus difference image) and signal processing (fast Fourier transform [FFT] vs. peak detection [PD]). The digital high-speed video method with a manual count of CBF in slow motion video play, is the gold-standard in CBF measurement. We obtained a total of fifty recorded ciliated sinonasal epithelium images to measure CBF from the Department of Otolaryngology. The ciliated sinonasal epithelium images were recorded at 50-100 frames per second using a charge coupled device camera with an inverted microscope at a magnification of x1,000. RESULTS: The mean square errors and variance for each method were 1.24, 0.84 Hz; 11.8, 2.63 Hz; 3.22, 1.46 Hz; and 3.82, 1.53 Hz for optical flow (OF) + PD, OF + FFT, difference image [DI] + PD, and DI + FFT, respectively. Of the four methods, PD using optical flow showed the best performance for measuring the CBF of nasal mucosa. CONCLUSIONS: The proposed method was able to measure CBF more objectively and efficiently than what is currently possible.
Cilia ; Epithelium ; Fees and Charges ; Fourier Analysis ; Image Processing, Computer-Assisted ; Mucociliary Clearance ; Nasal Cavity ; Otolaryngology ; Respiratory System ; Signal Processing, Computer-Assisted ; Transportation
Cilia ; Epithelium ; Fees and Charges ; Fourier Analysis ; Image Processing, Computer-Assisted ; Mucociliary Clearance ; Nasal Cavity ; Otolaryngology ; Respiratory System ; Signal Processing, Computer-Assisted ; Transportation
Healthcare Informatics Research.2011;17(2):101-110. doi:10.4258/hir.2011.17.2.101
OBJECTIVES: We design and develop an electronic claim system based on an integrated electronic health record (EHR) platform. This system is designed to be used for ambulatory care by office-based physicians in the United States. This is achieved by integrating various medical standard technologies for interoperability between heterogeneous information systems. METHODS: The developed system serves as a simple clinical data repository, it automatically fills out the Centers for Medicare and Medicaid Services (CMS)-1500 form based on information regarding the patients and physicians' clinical activities. It supports electronic insurance claims by creating reimbursement charges. It also contains an HL7 interface engine to exchange clinical messages between heterogeneous devices. RESULTS: The system partially prevents physician malpractice by suggesting proper treatments according to patient diagnoses and supports physicians by easily preparing documents for reimbursement and submitting claim documents to insurance organizations electronically, without additional effort by the user. To show the usability of the developed system, we performed an experiment that compares the time spent filling out the CMS-1500 form directly and time required create electronic claim data using the developed system. From the experimental results, we conclude that the system could save considerable time for physicians in making claim documents. CONCLUSIONS: The developed system might be particularly useful for those who need a reimbursement-specialized EHR system, even though the proposed system does not completely satisfy all criteria requested by the CMS and Office of the National Coordinator for Health Information Technology (ONC). This is because the criteria are not sufficient but necessary condition for the implementation of EHR systems. The system will be upgraded continuously to implement the criteria and to offer more stable and transparent transmission of electronic claim data.
Ambulatory Care ; Centers for Medicare and Medicaid Services (U.S.) ; Electronic Health Records ; Electronics ; Electrons ; Fees and Charges ; Health Level Seven ; Humans ; Insurance ; Malpractice ; Medical Informatics ; Relative Value Scales ; United States
Ambulatory Care ; Centers for Medicare and Medicaid Services (U.S.) ; Electronic Health Records ; Electronics ; Electrons ; Fees and Charges ; Health Level Seven ; Humans ; Insurance ; Malpractice ; Medical Informatics ; Relative Value Scales ; United States
Telecare System for Cardiac Surgery Patients: Implementation and Effectiveness.
Healthcare Informatics Research.2011;17(2):93-100. doi:10.4258/hir.2011.17.2.93
OBJECTIVES: To manage a patient's blood pressure and recovery, and to reduce unnecessary hospital visits after heart surgery, we developed and established a telecare service. METHODS: We established and test-operated the system that enabled biometric data to be measured and monitored at home, and directed connections to the video consultation with monitoring personnel and medical staff when abnormal symptoms were detected. RESULTS: As a result of using the telecare service with patients discharged from the hospital after undergoing heart surgery, the patients were mostly satisfied with the service and use of the equipment, and some patients wanted to actually receive the service continuously along with a device which could be more easily used. CONCLUSIONS: Telecare services are greatly needed for patients discharged after heart surgery for a certain period of time. A model should be developed which provides devices necessary for each disease in package form and customizes the content and services in one package.
Blood Pressure ; Heart Diseases ; Humans ; Medical Staff ; Personal Health Services ; Remote Consultation ; Self Care ; Telemedicine ; Thoracic Surgery
Blood Pressure ; Heart Diseases ; Humans ; Medical Staff ; Personal Health Services ; Remote Consultation ; Self Care ; Telemedicine ; Thoracic Surgery
Fifteen-year Experience with Telemedicine Services in Gangwon Province in Korea.
Healthcare Informatics Research.2015;21(4):283-291. doi:10.4258/hir.2015.21.4.283
OBJECTIVES: This study attempted to identify the factors that contribute to successful telemedicine service. This was done by analyzing the operational state of successful telemedicine services offered in Gangwon Province of Korea and their outcome for the last fifteen years. METHODS: A comparative analysis was made based on reports and a thesis on the satisfaction rate of patients and providers, patient compliance to treatment, and economic assessment of Gangwon telemedicine service, which were carried out in three periods: the years 2006, 2010, and 2012. RESULTS: The satisfaction surveys in all three periods showed similar results for patients (4.46+/-0.70 point) and healthcare practitioners, including nurses (3.82+/-0.62 point) and physicians (3.60+/-0.56 point), in decreasing order from the year 2012. Through the survey of patients' compliance with treatment, it was confirmed that telemedicine services increased patients' compliance with drug administration, facilitated improvement of lifestyle habits, improved glycated hemoglobin for patients with diabetes mellitus, and enhanced the rate of blood pressure control. In the survey conducted on patients' willingness to pay for telemedicine services in 2007, it was found that those patients were willing to pay about $3.5 for services. CONCLUSIONS: The telemedicine services of Gangwon Province increased patients' compliance with drug administration, improved blood glucose control, enhanced blood pressure control for patients with hypertension, and provided economic advantage.
Blood Glucose ; Blood Pressure ; Compliance ; Cost-Benefit Analysis ; Delivery of Health Care ; Diabetes Mellitus ; Gangwon-do* ; Hemoglobin A, Glycosylated ; Humans ; Hypertension ; Korea* ; Life Style ; Patient Compliance ; Patient Satisfaction ; Rural Health Services ; Telemedicine*
Blood Glucose ; Blood Pressure ; Compliance ; Cost-Benefit Analysis ; Delivery of Health Care ; Diabetes Mellitus ; Gangwon-do* ; Hemoglobin A, Glycosylated ; Humans ; Hypertension ; Korea* ; Life Style ; Patient Compliance ; Patient Satisfaction ; Rural Health Services ; Telemedicine*
Healthcare Informatics Research.2015;21(4):271-282. doi:10.4258/hir.2015.21.4.271
OBJECTIVES: Remote medical services have been expanding globally, and this is expansion is steadily increasing. It has had many positive effects, including medical access convenience, timeliness of service, and cost reduction. The speed of research and development in remote medical technology has been gradually accelerating. Therefore, it is expected to expand to enable various high-tech information and communications technology (ICT)-based remote medical services. However, the current state lacks an appropriate security framework that can resolve security issues centered on the Internet of things (IoT) environment that will be utilized significantly in telemedicine. METHODS: This study developed a medical service-oriented frame work for secure remote medical services, possessing flexibility regarding new service and security elements through its service-oriented structure. First, the common architecture of remote medical services is defined. Next medical-oriented secu rity threats and requirements within the IoT environment are identified. Finally, we propose a "service-oriented security frame work for remote medical services" based on previous work and requirements for secure remote medical services in the IoT. RESULTS: The proposed framework is a secure framework based on service-oriented cases in the medical environment. A com parative analysis focusing on the security elements (confidentiality, integrity, availability, privacy) was conducted, and the analysis results demonstrate the security of the proposed framework for remote medical services with IoT. CONCLUSIONS: The proposed framework is service-oriented structure. It can support dynamic security elements in accordance with demands related to new remote medical services which will be diversely generated in the IoT environment. We anticipate that it will enable secure services to be provided that can guarantee confidentiality, integrity, and availability for all, including patients, non-patients, and medical staff.
Computer Security ; Confidentiality ; Humans ; Internet* ; Medical Staff ; Pliability ; Telemedicine
Computer Security ; Confidentiality ; Humans ; Internet* ; Medical Staff ; Pliability ; Telemedicine
Innovation Network Development Model in Telemedicine: A Change in Participation.
Healthcare Informatics Research.2015;21(4):265-270. doi:10.4258/hir.2015.21.4.265
OBJECTIVES: This paper introduces a telemedicine innovation network and reports its implementation in Tehran University of Medical Sciences. The required conditions for the development of future projects in the field of telemedicine are also discussed; such projects should be based on the common needs and opportunities in the areas of healthcare, education, and technology. METHODS: The development of the telemedicine innovation network in Tehran University of Medical Sciences was carried out in two phases: identifying the beneficiaries of telemedicine, and codification of the innovation network memorandum; and brainstorming of three workgroup members, and completion and clustering ideas. The present study employed a qualitative survey by using brain storming method. Thus, the ideas of the innovation network members were gathered, and by using Freeplane software, all of them were clustered and innovation projects were defined. RESULTS: In the services workgroup, 87 and 25 ideas were confirmed in phase 1 and phase 2, respectively. In the education workgroup, 8 new programs in the areas of telemedicine, tele-education and teleconsultation were codified. In the technology workgroup, 101 and 11 ideas were registered in phase 1 and phase 2, respectively. CONCLUSIONS: Today, innovation is considered a major infrastructural element of any change or progress. Thus, the successful implementation of a telemedicine project not only needs funding, human resources, and full equipment. It also requires the use of innovation models to cover several different aspects of change and progress. The results of the study can provide a basis for the implementation of future telemedicine projects using new participatory, creative, and innovative models.
Brain ; Delivery of Health Care ; Education ; Financial Management ; Humans ; Remote Consultation ; Technology Transfer ; Telemedicine*
Brain ; Delivery of Health Care ; Education ; Financial Management ; Humans ; Remote Consultation ; Technology Transfer ; Telemedicine*
Proposal on the Establishment of Telemedicine Guidelines for Korea.
Healthcare Informatics Research.2015;21(4):255-264. doi:10.4258/hir.2015.21.4.255
OBJECTIVES: An official guideline must be prepared for legalizing the doctor-patient telemedicine system based on the evaluations of the ongoing telemedicine demonstration project performed by the Korean government. In this study, critical items of the Korean telemedicine guideline are suggested based on the guidelines of developed countries. METHODS: To investigate the telemedicine guidelines of developed countries, a keyword of 'telemedicine guidelines' was used for Google search to find out US, Australian, and Japanese guidelines. The common items included in two or more of the followings were screened: US Core Operational Guidelines for Telehealth Services Involving Provider-Patient Interactions, the Australian New South Wales (NSW) Agency for Clinical Innovation Guidelines for the use of Telehealth for Clinical and Non Clinical Settings in NSW, and the Japanese Guidelines for the practice of home telemedicine. RESULTS: A total of 22 common items of the following four domains, which could be used for the Korean guideline were screened: the common features in overall considerations (6 items), the common features in clinical considerations (6 items), the common features in technical considerations (5 items), and the common features in privacy considerations (5 items). These 22 items were suggested as the critical items of the Korean telemedicine guideline. CONCLUSIONS: The screened 22 items of the telemedicine guideline must be further organized for details. Additional studies and professional opinions on the telemedicine cases and on the guidelines of developed countries are required to establish the Korean guideline in the near future.
Asian Continental Ancestry Group ; Developed Countries ; Health Care Reform ; Humans ; Korea* ; New South Wales ; Privacy ; Remote Consultation ; Telecommunications ; Telemedicine*
Asian Continental Ancestry Group ; Developed Countries ; Health Care Reform ; Humans ; Korea* ; New South Wales ; Privacy ; Remote Consultation ; Telecommunications ; Telemedicine*
Country
Republic of Korea
Publisher
Korean Society of Medical Informatics
ElectronicLinks
http://www.e-hir.org/Editor-in-chief
Young Moon Chae
journal@e-hir.org
Abbreviation
Healthc Inform Res
Vernacular Journal Title
대한의료정보학회지
ISSN
2093-3681
EISSN
2093-369X
Year Approved
2007
Current Indexing Status
Currently Indexed
Start Year
1995
Description
Healthcare Informatics Research (Healthc Inform Res; HIR) is the official journal of the Korean Society of Medical Informatics (KOSMI) founded in 1987, and replaced its predecessor, the Journal of KOSMI (JKOSMI; ISSN: 1225-8903), in 2010. The journal publishes quarterly peer-reviewed original research articles in English in order to expand its readership globally and reinforce its commitment to the development of healthcare informatics
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