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  • 1.
    Aspevall, Olle
    et al.
    Karolinska institutet Stockholm.
    Karlsson, Daniel
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för medicinsk teknik, Medicinsk informatik.
    Forsum, Urban
    Linköpings universitet, Hälsouniversitetet. Linköpings universitet, Institutionen för molekylär och klinisk medicin, Klinisk mikrobiologi. Östergötlands Läns Landsting, Laboratoriemedicinskt centrum, Klinisk mikrobiologi.
    Building a concept system to structure the contents of a decision support system - a grounded theory study of concepts in the knowledge domain of urinary tract infection2001Inngår i: Medical informatics and the Internet in medicine (Print), ISSN 1463-9238, E-ISSN 1464-5238, Vol. 26, nr 2, s. 115-129Artikkel i tidsskrift (Fagfellevurdert)
  • 2.
    Carlsson, Mats
    et al.
    Linköpings universitet, Institutionen för medicinsk teknik, Medicinsk informatik. Linköpings universitet, Tekniska högskolan.
    Löfström, Lars
    Linköpings universitet, Hälsouniversitetet.
    Rogers, Jeremy
    Medical Informatics Group, Department of Computer Science, University of Manchester, UK.
    Åhlfeldt, Hans
    Linköpings universitet, Institutionen för medicinsk teknik, Medicinsk informatik. Linköpings universitet, Tekniska högskolan.
    Modelling and reclassification of surgical procedures: experiences from the use of GALEN methods in the domain of thoracic surgery2000Inngår i: Medical informatics and the Internet in medicine (Print), ISSN 1463-9238, E-ISSN 1464-5238, Vol. 25, nr 2, s. 109-122Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    This paper reports on experiences fromthe evaluation of GALEN methods for mapping of follow-up categories in the domain of thoracic surgery to an existing classification of surgical procedures. The mapping of the aggregated levels or groups of thoracic procedures presents a genuine problem in relation to strict hierarchical classifications, since the follow-up categories do not necessarily fit in the pre-set structure of the classification. Experiences from modelling of the traditional classification and of the follow-up categories are reported, and an analysis of the results is presented along with a discussion of opportunities and potential problems and pitfalls when applying GALEN models and tools.

  • 3.
    Ekdahl, Christer
    et al.
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Infektionsmedicin. Linköpings universitet, Hälsouniversitetet.
    Karlsson, Daniel
    Linköpings universitet, Institutionen för medicinsk teknik, Medicinsk informatik. Linköpings universitet, Hälsouniversitetet.
    Wigertz, Ove
    Linköpings universitet, Institutionen för molekylär och klinisk medicin, Infektionsmedicin. Linköpings universitet, Hälsouniversitetet.
    Forsum, Urban
    Linköpings universitet, Institutionen för klinisk och experimentell medicin, Klinisk mikrobiologi. Linköpings universitet, Hälsouniversitetet.
    A study of the usage of a decision-support system for infective endocarditis2000Inngår i: Medical informatics and the Internet in medicine (Print), ISSN 1463-9238, E-ISSN 1464-5238, Vol. 25, nr 1, s. 1-18Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    The objective of this study was to examine a design for a World Wide Web-based decision-support system in use by clinically active physicians. A prototype implementation of the design concerned management of infective endocarditis patient cases. The design was based on an integration of hypertext and rule-based knowledge. In the study sessions, physicians in the field of internal medicine worked on managing authentic patient cases in a laboratory setting. Data was collected from interviews with the physicians using video recordings and stimulated recall technique. The qualitative data was analysed according to the constant comparative method in order to develop a model of the physicians' usage of the system. The resulting model describes perceived contributions and criteria for usefulness of the system. The ways the physicians used the system showed that it was able to provide patient-specific support for confirming clinical decisions, for higher-level patient management, and for preparing for and initiating expert consultations. Users also stated that new medical knowledge could be gained as a side effect of using the system.

  • 4.
    Karlsson, Daniel
    et al.
    Linköpings universitet, Institutionen för medicinsk teknik, Medicinsk informatik. Linköpings universitet, Tekniska högskolan.
    Forsum, Urban
    Linköpings universitet, Institutionen för molekylär och klinisk medicin, Klinisk mikrobiologi. Linköpings universitet, Hälsouniversitetet.
    Medical decision-support systems and the concept of context2004Inngår i: Medical informatics and the Internet in medicine (Print), ISSN 1463-9238, E-ISSN 1464-5238, Vol. 29, nr 2, s. 109-118Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Medical decision-support systems are of necessity multi-contextual in nature. There are always at least two contexts involved in the use of such systems: the expert knowledge-provider context and the end-user context. To show this, we present examples of context-dependent aspects significant to the use of decision-support systems. The existence of discrepancies between the contexts threatens to disrupt the rationale for using decision-support systems: for the system to transfer knowledge from the expert to the end-user. Both theoretical and empirical studies show that such discrepancies exist and that they may be detrimental to the use of decision-support systems. Systems must thus give support in interpreting the output produced by the system in the context of the end-user. © 2004 Taylor and Francis Ltd.

  • 5.
    Moidu, Khalid
    et al.
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för medicinsk teknik, Medicinsk informatik.
    Wigertz, Ove
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för medicinsk teknik, Medicinsk informatik.
    Computers and physicians - an appraisal study1989Inngår i: Medical informatics and the Internet in medicine (Print), ISSN 1463-9238, E-ISSN 1464-5238, Vol. 14, nr 1, s. 63-70Artikkel i tidsskrift (Fagfellevurdert)
  • 6.
    Olve, Nils-Göran
    et al.
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för ekonomisk och industriell utveckling, Ekonomiska informationssystem.
    Vimarlund, Vivian
    Linköpings universitet, Tekniska högskolan. Linköpings universitet, Institutionen för datavetenskap, MDALAB - Human Computer Interfaces.
    Locating ICT's benefits in elderly care2005Inngår i: Medical informatics and the Internet in medicine (Print), ISSN 1463-9238, E-ISSN 1464-5238, Vol. 30, nr 4, s. 297-308Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    The impact of information and communication technology (ICT) is indirect and depends on redesign of practices and structures also outside health care. Improvements will only be realized if all parties involved can coordinate their efforts to take advantage of new technology. A 'package' of changed work practices and structures extending across organizational boundaries needs to be designed and implemented. This is very different from the common conception of introducing new ICT tools. Calls for 'evaluation of benefits' before new ICT systems are introduced need to recognize this complexity. This article investigates how analysis and economic evaluations can be used to improve decision-making when new applications are proposed. This is done by drawing parallels with experiences from other industries. We conclude that the entire 'change package' should be analysed for its consequences on the well-being of care recipients, and the requirements it presents for capital investments and changed labour inputs, in particular changed competence needs. Some concepts and structures are suggested for such evaluations. © 2005 Taylor & Francis.

  • 7.
    Petersson, Håkan
    et al.
    Linköpings universitet, Institutionen för medicinsk teknik, Medicinsk informatik. Linköpings universitet, Tekniska högskolan.
    Nilsson, Gunnar
    Family Medicine Stockholm, Karolinska institutet, Stockholm.
    Stender, Lars-Erik
    Family Medicine Stockholm, Karolinska institutet, Stockholm.
    Åhlfeldt, Hans
    Linköpings universitet, Institutionen för medicinsk teknik, Medicinsk informatik. Linköpings universitet, Tekniska högskolan.
    The connection between terms used in medical records and coding system: a study on Swedish primary health care data2001Inngår i: Medical informatics and the Internet in medicine (Print), ISSN 1463-9238, E-ISSN 1464-5238, Vol. 26, nr 2, s. 87-99Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Implementation of problem lists and their relation to standardized coding systems have been approached and analysed in different ways. Most evaluations concern quantitative aspects such as content coverage in a specific domain. In order to reveal the qualitative aspects of diagnostic coding, medical record texts from primary health care encounters were compared with terms from a coding system that was used for describing them statistically. The records were coded by six general practitioners, and in some cases, an applied diagnostic term was found within the text, while other record text-coding system relationships were categorized as synonyms, alternative terms, and interpretations. Thus, the categories roughly corresponded to a measure of semantic distance between the terms in the record text and the rubrics of the coding system, and there was a correlation between semantic distance and inter-rater agreement. The subcategories of this scheme corresponded fairly well to recently published desiderata for clinical terminology servers, including functionality such as word normalization and spelling correction. However, not all problems could have been automatically coded by means of lexical methods, which can be partly explained by the fact that diagnostic coding also relies on clinical knowledge. In addition, proper automation relies on context representation within the records.

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