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Jan Marco Leimeister
Title
Prof.Dr.
Last Name
Leimeister
First name
Jan Marco
Email
janmarco.leimeister@unisg.ch
Phone
+41 71 224 3330
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1 - 10 of 26
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PublicationModular Architecture of Value-Added Applications for German Healthcare Telematics(Springer Gabler, 2013-02)
;Dünnebeil, Sebastian ;Sunyaev, AliKrcmar, HelmutValue-added applications of the German healthcare telematics aim at patient orientation as well as quality and efficiency improvements in the healthcare sector. Telematics services can be utilized in many ways, e.g., to guarantee security standards and interoperability. The electronic health card is merely one example. The design science oriented article presents the development and evaluation of a software architecture for value-added applications. In order to achieve better user acceptance, the architectural requirements were derived directly from the caregivers. The architecture is illustrated and evaluated by the example of electronic referral management. Typical functional units of medical processes are modeled in seven layers. The instantiation shows a structured application with high security standards which enables interoperability between heterogeneous existing systems and extensive control by physicians' cooperatives. The architecture offers, for the first time in German healthcare, the opportunity to safely and reliably specify and develop a variety of value-added applications which can be provided via the telematics infrastructure.Type: journal articleJournal: Business & Information Systems Engineering (BISE)Volume: 5Issue: 1Scopus© Citations 9 -
PublicationModulare Softwarearchitektur für Mehrwertanwendungen der deutschen Gesundheitstelematik(Springer Gabler, 2013-02)
;Dünnebeil, Sebastian ;Sunyaev, AliKrcmar, HelmutValue-added applications of the German healthcare telematics aim at patient orientation as well as quality and efficiency improvements in the healthcare sector. Telematics services can be utilized in many ways, e.g., to guarantee security standards and interoperability. The electronic health card is merely one example. The design science oriented article presents the development and evaluation of a software architecture for value-added applications. In order to achieve better user acceptance, the architectural requirements were derived directly from the caregivers. The architecture is illustrated and evaluated by the example of electronic referral management. Typical functional units of medical processes are modeled in seven layers. The instantiation shows a structured application with high security standards which enables interoperability between heterogeneous existing systems and extensive control by physicians’ cooperatives. The architecture offers, for the first time in German healthcare, the opportunity to safely and reliably specify and develop a variety of value-added applications which can be provided via the telematics infrastructure.Type: journal articleJournal: WirtschaftinformatikVolume: 55Issue: 1 -
PublicationDeterminants of physicians' technology acceptance for e-health in ambulatory care(Elsevier, 2012-11)
;Dünnebeil, Sebastian ;Sunyaev, AliKrcmar, HelmutGermany is introducing a nation-wide telemedicine infrastructure that enables electronic health services. The project is facing massive resistance from German physicians, which has led to a delay of more than five years. Little is known about the actual burdens and drivers for adoption of e-health innovations by physicians. Based on a quantitative study of German physicians who participated in the national testbed for telemedicine, this article extends existing technology acceptance models (TAM) for electronic health (e-health) in ambulatory care settings and elaborates on determinants of importance to physicians in their decision to use e-health applications. This study explores the opinions, attitudes, and knowledge of physicians in ambulatory care to find drivers for technology acceptance in terms of information technology (IT) utilization, process and security orientation, standardization, communication, documentation and general working patterns. We identified variables within the TAM constructs used in e-health research that have the strongest evidence to determine the intention to use e-health applications. The partial least squares (PLS) regression model from data of 117 physicians showed that the perceived importance of standardization and the perceived importance of the current IT utilization (p<0.01) were the most significant drivers for accepting electronic health services (EHS) in their practice. Significant influence (p<0.05) was shown for the perceived importance of information security and process orientation as well as the documentation intensity and the e-health-related knowledge. This study extends work gleaned from technology acceptance studies in healthcare by investigating factors which influence perceived usefulness and perceived ease of use of e-health services. Based on these empirical findings, we derive implications for the design and introduction of e-health services including suggestions for introducing the topic to physicians in ambulatory care and incentive structures for using e-health.Type: journal articleJournal: International Journal of Medical Informatics (IJMI)Volume: 81Issue: 11Scopus© Citations 210 -
PublicationZentrale Verwaltung von Gesundheitskarten im stationären Krankenhausumfeld – Das IQ-Medi-LOG-Produkt als Alternative zu gematik-Konzepten(Vieweg + Teubner, 2008-12-01)
;Mauro, Christian ;Sunyaev, AliKrcmar, HelmutThe mandatory introduction of Health Professional Cards (HPC) in the German health care system induces major challenges for IT infrastructures as well as organisational structures in hospitals. This paper presents a new approach for integrating HPCs in hospital processes and infrastructures that is realized in the product IQ-Medi-LOG. The objective is to leverage efficiency and effectiveness potentials associated with the electronic health cards and to enable entirely new services in hospitals. Using a conceptual comparison the authors are able to show the advantages of this concept. In closing they outline further areas of application and future development trends.Type: journal articleJournal: WirtschaftsinformatikVolume: 50Issue: 6Scopus© Citations 2 -
PublicationInformation Systems and Healthcare XX: Toward Seamless Healthcare with Software AgentsHealthcare processes are frequently fragmented and often badly supported with IT. Inter- and intra-organizational communication and media frictions complicate the continuous provision of information according to the principle of information logistics. Based on extensive literature review, we present the vision of seamless healthcare with horizontally and vertically integrated healthcare processes enabled by seamless IT support. Its implementation requires the establishment of a communication infrastructure and the deployment of adequate standards in healthcare. There are already comprehensive approaches for dealing with integrating heterogeneous information systems. However, they lack a common communication infrastructure and do not support proactivity and flexibility which are dominant characteristics in healthcare. We propose a software agent-based approach for realizing the vision of seamless healthcare. We present a corresponding implementation for integrating heterogeneous information systems in the context of the German Health Telematics Infrastructure. Based on the concept and the implementation, we show that the modular approach is capable of supporting a wide range of different applications. We furthermore outline which facets of an agent-based solution could be implemented in an operative real-world environment. In closing we derive implications for IT decision makers in healthcare and show directions for future approaches for reducing information logistics related deficits in healthcare.Type: journal articleJournal: Communications of the Association for Information Systems (CAIS)Volume: 19
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PublicationType: journal articleJournal: IM : Information Management & ConsultingVolume: 21Issue: 1
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PublicationMarket Engineering for Electronic Health ServicesVarious studies have proven the positive impact of ehealth solutions on treatment success and health care spending. Utilization of e-health is therefore urgently recommended by German health authorities. However, the diffusion of such technologies is currently very low, despite the availability of the underlying technology. A market failure is a likely reason for the unsatisfying situation, as there are currently hardly regular business models for electronic health services. This paper conducts a case study on telemonitoring, which has significant positive impact on patients with chronic heart failure, to illustrate a market engineering approach for e-health applications. The introduced case study is located in a southern German region, where health insurances and a physician network want to establish a telemonitoring solution. We investigate the socioeconomic, technical and legal environment in order to derive a transaction object and build a transaction service. Patients will transfer vital parameters to physicians on a daily base. Caregivers observe patients' health status and compile quarterly reports for the e-health provider. The provider distributes the funds of the health insurances according to the compliance among the stakeholders and adjusts the model on an annual base according to the realized savings. The presented solution can be built upon the emerging German infrastructure for telemedicine and be extended to further regions later.Type: conference paper
Scopus© Citations 2 -
PublicationDo German physicians want electronic health services? A characterization of potential adopters and rejectors in German ambulatory care(INSTICC, 2010-06-01)
;Dünnebeil, Sebastian ;Sunyaev, Ali ;Krcmar, HelmutFred, AnaType: conference paper -
PublicationStrategies for Development and Adoption of EHR in German Ambulatory Care(IEEE Computer Society, 2010-03-22)
;Dünnebeil, Sebastian ;Sunyaev, AliKrcmar, HelmutElectronic Health Records (EHR) have the potential to improve the delivery of health care. In Germany most physicians in ambulatory care have adopted Electronic Medical Records (EMR) locally within their institutions, using their practice information systems. A national telematics initiative, which connects various local medical information systems via a common infrastructure, aims to achieve integrated care, supported by comprehensive, citizen controlled medical documentation. This requires the adoption of connected EHR which leads to several technical, organizational, and psychological barriers. In early 2009, we conducted a survey of 117 physicians, representing a response rate of 23%, to investigate requirements for national EHR initiatives. We evaluated the preferred content of EHR, diffusion methods favored by care providers, and the desired level of patient involvement. Results indicate that private companies and government related organizations show little support among the physicians; the preferred institutions for hosting and offering electronic health services (EHS) as EHR are medical associations and physician networks. They are also the preferred source for information concerning EMS. Medication, allergies and intolerances are reported to be of capital importance for physicians, while shared documentation of diagnosis and examination results raise the highest rate of skepticism. It is mainly the patient centered administration of EHR that is wanted, albeit still with skepticism.Type: conference paperScopus© Citations 9 -
PublicationeGK-Mehrwertanwendung zur elektronischen Krankenhauseinweisung( 2010-04-20)
;Dünnebeil, Sebastian ;Sunyaev, Ali ;Mauro, ChristianKrcmar, HelmutType: conference paper
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