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An object-modeling method for hospital information systems.

K Seto1, T Kamiyama, H Matsuo

  • 1Central Research Laboratory, Hitachi, Ltd, Tokyo, Japan. kumiko@crl.hitachi.co.jp

Studies in Health Technology and Informatics
|June 29, 1999
PubMed
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This study introduces a new object-modeling method for hospital information systems (HISs). The combined approach significantly boosts software productivity and object reusability in HIS development.

Area of Science:

  • Software Engineering
  • Health Informatics
  • Object-Oriented Programming

Background:

  • Hospital Information Systems (HISs) often face challenges in software productivity.
  • Object-oriented technologies offer potential for improving HIS development.
  • Existing object-modeling methods may not fully address HIS-specific complexities.

Purpose of the Study:

  • To propose and evaluate a novel object-modeling method for enhancing HIS software productivity.
  • To integrate established object-modeling techniques with HIS-specific considerations.
  • To improve the reusability of software components within HIS.

Main Methods:

  • A combined object-modeling approach integrating Object Modeling Technique (OMT), Class Responsibilities Collaboration (CRC) cards, and use-case scenarios.

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  • Incorporation of HIS functionality characteristics, including data history and patient-staff relationships, into the object-modeling process.
  • Application and testing of the proposed method on diverse HIS applications: drug-history, nursing-support, and electronic patient record (EPR) systems.

    • Main Results:

    • Software productivity for a drug-history system was more than doubled using the proposed method.
    • Over 40% of logic classes demonstrated reusability across nursing-support systems and electronic patient records.
    • The combined method effectively addressed HIS-specific functional requirements.

    Conclusions:

    • The proposed object-modeling method significantly enhances software productivity for Hospital Information Systems.
    • The integration of multiple methodologies and HIS-specific features leads to increased object reusability.
    • This approach offers a viable solution for developing more efficient and maintainable HIS.