Der-Ming Liou

Taipei Medical University | TMU · Graduate Institute of Medical Informatics

Job satisfaction is a critical component of the professional work environment and is often ascertained through surveys that include structured or open-ended questions. Using data from 24,543 respondents to California Board of Registered Nursing biennial surveys, this study examines the job satisfaction of registered nurses (RNs) by applying cluster...

PurposeTo evaluate the usefulness of applying computed tomography (CT) images reconstructed by a deep learning super-resolution method to the clinical scenario of planning a real bronchoscopy procedure.Methods We trained a super-resolution generative adversarial network (SRGAN) to reconstruct CT images to high-resolution (SRGANrc). We tasked three...

Eligibility criteria among hundreds of National Health Insurance Research Database (NHIRD) research papers have similar constituent elements, such as demographic characteristics or diagnostic codes. The study results of the same disease could vary among different research due to the variation of the criteria statements, therefore the narrative patt...

Background: As a result of the disease's high prevalence, chronic kidney disease (CKD) has become a global public health problem. A clinical decision support system that integrates with computer-interpretable guidelines (CIGs) should improve clinical outcomes and help to ensure patient safety. Objectives: The openEHR guideline definition languag...

Background: Although the overall effect of particulate matter (PM) on cardiovascular disease (CVD) has been previously documented, the effect of different PM sizes (PM10, PM2.5-10 and PM2.5) has not been well studied. This study estimates the effect of different PM sizes on the incidence of CVD in Taipei, Taiwan. Methods: We collected outpatient...

Background and Objective In order to facilitate clinical research across multiple institutions, data harmonization is a critical requirement. Common data elements (CDEs) collect data uniformly, allowing data interoperability between research studies. However, structural limitations have hindered the application of CDEs. An advanced modeling structu...

Background: Emerging infectious diseases continue to pose serious threats to global public health. So far, however, few published study has addressed the need for manpower reallocation needed in hospitals when such a serious contagious outbreak occurs. Aim: To quantify the demand elasticity of the major surgery types in order to guide future man...

Data mining, also known as Knowledge-Discovery in Databases (KDD), is the process of automatically searching large volumes of data for patterns. For instance, a clinical pattern might indicate a female who have diabetes or hypertension are easier suffered from stroke for 5 years in a future. Then, a physician can learn valuable knowledge from the d...

Background and objective Electronic medical records with encoded entries should enhance the semantic interoperability of document exchange. However, it remains a challenge to encode the narrative concept and to transform the coded concepts into a standard entry-level document. This study aimed to use a novel approach for the generation of entry-lev...

Background and objective: The importance of data standards when integrating clinical research data has been recognized. The common data element (CDE) is a consensus-based data element for data harmonization and sharing between clinical researchers, it can support data standards adoption and mapping. However, the lack of a suitable methodology has...

The Clinical Document Architecture (CDA) is a widely adopted international standard for clinical documents design; the CDA document with coded entries increases the semantic interoperability in the course of clinical document exchange. This study developed a CDA entry generation pipeline for converting free-text documents into CDA documents with en...

Unlabelled: Abstract Background: The National Health Insurance program (NHI) in Taiwan has provided hospice services since 2000, and it was expanded to noncancer illnesses in September 2009. The issues of noncancer hospice care and the impact of the expanded hospice policy remain unclear. Methods: Data were collected retrospectively from claims...

To address the problem of mapping local laboratory terminologies to Logical Observation Identifiers Names and Codes (LOINC). To study different ontology matching algorithms and investigate how the probability of term combinations in LOINC helps to increase match quality and reduce manual effort. We proposed two matching strategies: full name and mu...

This study provides epidemiologic data on the incidence of inguinal hernia repair in preschool children using the Taiwan National Health Insurance Research Database. We believe that the data on hernia repair in said database provide a close approximation of the true incidence of inguinal hernia in young children. A cohort of 1,073,891 deidentified...

This study developed and implemented a children's immunization management system with English and Traditional Chinese immunization ontology for semantic-based search of immunization knowledge. Parents and guardians are able to search vaccination-related information effectively. Jena Java Application Programming Interface (API) was used to search fo...

Personal Health Record systems (PHRs) provide opportunities for patients to access their own PHR. However, PHRs are teeming with medical terminologies, such as disease and symptom names, etc. Patients need readily understandable and useful health knowledge in addition to their records in order to enhance their self-care ability. This study describe...

IntroductionThe amount of information being uploaded onto social video platforms, such as YouTube, Vimeo, and Veoh, continues to spiral, making it increasingly difficult to discern reliable health information from misleading content. There are thousands of YouTube videos promoting misleading information about anorexia (eg, anorexia as a healthy lif...

This case study reports on the utilization of telemedicine to support the management of the burns treatment in the islands of Sao Tome and Principe by Taipei Medical University-affiliated hospital in Taiwan. The authors share experiences about usage of telemedicine to support treatment of the burn victims in a low-income country that receive recons...

Background: Medical Informatics Systems (MIS) have been suggested as having great potential to improve health care delivery in low resource settings. One of the major barriers for adopting MIS in this context is a lack of adequate network/communication infrastructure. Delay Tolerant Networking (DTN) is an approach for establishing network connecti...

Population aging is an important issue in Taiwan. The percentage of elderly members of the population has been growing quickly during recent years. The requirements of long-term care for chronic and functionally impaired patients are rapidly increasing. Beside medical treatment, the needs of long-term care facilities are also continuously increasin...

Social networking services are transforming the delivery of health care. Facebook, for example, is now commonly used by medical students, patients, and other stakeholders in the health-care system.1,2 We describe how Facebook enabled collaboration between stakeholders in emergency-medicine policy in Taiwan, which led to reforms.

Recent refinements of lung MRI techniques have reduced the examination time and improved diagnostic sensitivity and specificity. We conducted a study to assess the feasibility of MRI for the detection of primary lung cancer in asymptomatic individuals. A retrospective chart review was performed on images of lung parenchyma, which were extracted fro...

Information and communication technologies progress rapidly and many novel applications have been developed in many domains of human life. In recent years, the demand for healthcare services has been growing because of the increase in the elderly population. Consequently, a number of healthcare institutions have focused on creating technologies to...

The semantic web technology provides an opportunity to integrate children’s inoculation knowledge spreading over the Internet. In this study, we attempt to provide people semantic-based inoculation knowledge searching. To procure semantic searching, we created ontology of inoculation with Protégé v3.2.1 in Web Ontology Language (OWL). Jena Java API...

Duplicate medication between enterprises not only wastes medical resources, but also endangers a patient's safety. However, medication information may come from different medical institutes and use different terminologies. The majority of patients do not know the names of these drugs; and for other doctors, they may also not understand medication i...

Electronic Health Records (EHR) allow health records to be easily integrated, shared, and exchanged between health institutions. However, the system heterogeneity and the lack of standards present current challenges which hinder efficient exchange of medical information between institutions. Health Level 7 (HL7) Clinical Document Architecture (CDA)...

The Integrating the Healthcare Enterprise (IHE) provided a series profiles for decreasing costs and integrating different healthcare enterprises. In IHE Cross-Enterprise Document Sharing for Image (XDS-I), it provides a web service and Web Access to Digital Imaging and Communication in Medicine Persistent Objects (WADO) service, to access DICOM obj...

The emergency department (ED) represents an important transition of care for patients, where understanding the patient health condition is critical to forming an appropriate plan of care. Because many emergency referral visits are unplanned and urgent, this information may not be conveyed in advance to ED physicians. Loss of this data can lead to c...

The author mentions that in order to facilitate the exchange of medical information, Taiwan's Department of Health supported a project to standardize electronic medical records. Part of this project involved developing a system that automatically generates samples for the 108 different types of standard documents. The paper discusses the efforts to...

Transferring patient information between medical care sites is necessary to deliver better patient care and to reduce medical cost. So developing of electronic medical records is an important trend for the world.The Continuity of Care Document (CCD) is product of collaboration between CDA and CCR standards. In this study, we will develop a system t...

The Electronic Health Record (EHR) system is very general and we should pay more attention to a patient's privacy. The patient's consent is one of the elements when dealing with privacy topics. This study focuses on the creating and managing of patient consent. The integration of the HL7 standards and the IHE BPPC profile provides a base for the cr...

The adoption of electronic medical record (EMR) system is gradually increasing. However, various time-motion studies reveal conflicting data regarding time effectiveness on workflow due to computerization. One of the major issues for physicians is their uncertainty with EMRs' potential impact of time on workflow. A tertiary eye hospital in south In...

Patients' medical records in hospitals are complicated. It is difficult to exchange information among hospitals without followed standard format. In order to facilitate the exchange of medical information, a standardization project is supported by government and has developed guidelines for electronic medical records. More than 100 paper forms are...

A robust spatial model to interpolate topsoil cadmium concentrations monitored by Taiwan EPA was constructed for assessment of health risks posed by this contamination in Changhua County, Taiwan. kriging methods, using a Geographic Information Systems (GIS), were used to estimate the range and severity of topsoil contamination. Optimised Kriging mo...

The American Health Level Seven (HL7) Reference Information Model (RIM) consists of six back-bone classes that have different specialized attributes. Furthermore, for the purpose of enforcing the semantic expression, there are some specific mandatory vocabulary domains have been defined for representing the content values of some attributes. In the...

The private security and trusted Electronic Health Record (EHR) systems should be monitored. It is good to use access control and authentication, audit controls and transmission security for security safeguard. Integrating the Healthcare Enterprise (IHE) Audit Trail and Node Authentication (ATNA) is an integration profile that establishes security...

Hepatitis E virus (HEV) accounts for the majority of enterically transmitted hepatitis infections worldwide. Currently, there is no specific treatment for or vaccine against HEV. The major structural protein is derived from open reading frame (ORF) 2 of the viral genome. A potential oral vaccine is provided by the virus-like particles formed by a p...

Electronic medical record exchange among hospitals can provide more information for physician diagnosis and reduce costs from duplicate examinations. In this paper, we proposed and implemented a medical record exchange model. According to our study, exchange interface servers (EISs) are designed for hospitals to manage the information communication...

Objective: This study attempts to create an automated mapping system to transform laboratories data for different hospitals into the LOINC (Logical Observation Identifier Names and Codes). Background: Recently, the institutes of health are more and more concerned about the prevalence of positive pathogen for surveillance of the potential epidemic d...

Electronic medical record exchanges can save time and reduce cost by eliminating redundant data and typing errors. The major steps of record exchange consist of querying information from database, encoding data into messages, and sending and decoding messages. Three medical-record-exchange models were proposed in the past, including the distributed...

Objectives: In a "superfund site" in Tainan City, Taiwan, soils are heavily polluted. Major pollutants include pentachlorophenol, dioxin, and mercury. The current study used a geographic information system (GIS) spatial interpolation method to analyze soil and sediment samples in this area and estimate the range and severity of pollution in areas i...

Community-based multiple screening for common cancers and chronic diseases has increasingly gained attention. However, as infrastructure and evaluation system are more diversified and complicated compared with single screening, the development of a novel health information system is paramount. The main goal of our health information system was to s...

Health level 7 (HL7) is a standard for medical information exchange. It defines data transfers for the application systems in the healthcare environment. Alternatively, the extensible markup language (XML) is a standard for data exchange using the Internet. If exchange messages follow the content and the sequence defined by HL7 and are expressed in...

The intricacy of predictive models associated with prognosis and risk classification of disease often discourages medical personnel who are interested in this field. The aim of this study was therefore to develop a computer-aided disease prediction model underpinning a step-by-step statistics-guided approach including five components: (1) data mana...

Computer program for the prediction of survival with respect to time-dependent proportional hazards regression model has been rarely addressed. We therefore developed a SAS Macro program for time-dependent Cox regression predictive model for empirical survival data associated with time-dependent covariates. Time-dependent proportional hazards regre...

Timely worldwide distribution of biosequence and bioinformatics data depends on high performance networking and advances in Internet transport methods. The Bio-Mirror project focuses on providing up-to-date distribution of this rapidly growing and changing data. It offers FTP, Web and Rsync access to many high-volume databanks from several sites ar...

We assessed the feasibility of tele-ophthalmology in a remote location, Tungyin, an island 200 km from Taiwan, which has no ophthalmologist. Screening for eye diseases was carried out among residents aged 40 years or more. A total of 113 subjects, approximately 31% of the whole population, were enrolled in the screening programme. Images were trans...

Health level 7 (HL7) is the standard of electronic data interchange in the health domain. We have developed a web-based message generation and validation system for testing the message format of the data exchange among hospitals and health organizations. Compared with other existing ones, this system has incorporated several novel functions that op...

Disease screening is one of important activities in the domain of public health. However, traditional disease screening is based on solitary disease rather than multiple diseases. Although information accrued from multiple screening make contribution to health risk assessment as well as efficient management, data sources underpinning multiple scree...

Nowadays many hospitals use clinical information systems (CIS) to improve patient health care and information management. CIS retrieves and manages patient information such as patient administration, laboratory data and medications. Specialized CIS, especially Intensive Care Unit (ICU) CIS, needs to handle more additional information. How to proces...

Nowadays many hospitals use clinical information systems (CIS) to improve patient health care and information management. CIS retrieves and manages patient information such as patient administration, laboratory data and medications. Specialized CIS, especially Intensive Care Unit (ICU) CIS, needs to handle more additional information. How to proces...

Computer and communication technologies have been progressing rapidly in these few years, which speeds up the electronic medical record (EMR) development and increases the requirement of electronic data interchange (EDI) among healthcare organizations. Although the health data exchange standard of Health Level 7 (HL7) has been around more than a de...

The authors propose a dynamic channel allocation strategy in an integrated services digital network (ISDN) based on traffic characteristics and channel utilization. Conventional channel allocation schemes such as complete sharing channel allocation, complete allocation, and moving boundary channel allocation are examined and compared with the propo...

To address the needs of a variety of image processing applications, a new microcomputer-based imaging system using color cell compression (C³) and C³-virtual techniques is presented. It is a primary object of the new imaging system to provide an improved digital color imaging system which produces excellent quality images and...

The Personal Health Record (PHR) concept has been brought up to promote the healthcare with better quality. In order to solve the interoperability problem across different healthcare institutes, this study will use the IHE Cross- Enterprise Document Sharing (XDS) integration profile as the basic architecture to build a PHR system. On the other hand...

� Abstract—The health record in the Electronic Health Record (EHR) system is more sensitive than demographic. It raises the important issue for the EHR requirement in privacy, security, audit trail, patient access, and archiving and data retention. The studies about the EHR system security are deficient. The aim of this study is to build a security...

Thesis (Ph. D.)--Illinois Institute of Technology, 1990. Includes bibliographical references (leaves 139-144).