P015 - Mobile Computing in Medicine, Second Conference on Mobile Computing in Medicine, Workshop of the Project Group MoCoMed, GMDS-Fachbereich Medizinische Informatik & GI-Fachausschuss 4.7
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- KonferenzbeitragTeleradiology on a personal digital assistant(Mobile Computing in Medicine, Second Conference on Mobile Computing in Medicine, Workshop of the Project Group MoCoMed, GMDS-Fachbereich Medizinische Informatik & GI-Fachausschuss 4.7, 2002) Schweitzer, T.; Engelmann, U.; Schröter, A.; Boraelv, E.; Meinzer, H.-P.This paper describes the porting of a teleradiology system to a Personal Digital Assistant (PDA). The basis for this formed the CHILI teleradiology and PACS system developed by the Steinbeis Transferzentrum Medizinische Informatik, Heidelberg (STZ) in cooperation with the German Cancer Research Center. The work was done as part of a EU IST project called Multimedia Terminal Mobile (MTM). The authors collected user requirements in a first step. Appropriate hardware has been selected based on these requirements. Dedicated software versions of CHILI have been realized on selected PDA hardware. The prototypes have been constantly evaluated in cooperation with medical end-users. Technologies from project partners like speech communication and speech recognition have been integrated.
- KonferenzbeitragPatient empowerment and visualisation on mobile devices(Mobile Computing in Medicine, Second Conference on Mobile Computing in Medicine, Workshop of the Project Group MoCoMed, GMDS-Fachbereich Medizinische Informatik & GI-Fachausschuss 4.7, 2002) Enzenhofer, M.; Komm, N.; Pauli, T.; Tran-Huu, M.-H.; Bludau, H.-B.Improved potentiality using multimedia components (audio, video, threedimensional pictures and interactive tools) as well as the growing desire of patients to receive more information leads to a widespread introduction of patient information systems. In co-operation with the "Wissenschaftliches Institut der Praxisärzte", Heidelberg we developed a tool to explain medical facts with twoand three dimensional pictures. In contrast to common web based information systems the tool is used by the physician itself to explain the medical content. The investigation will be carried out on a group of 50 patients from 2 different wards. Participants need a Karnofsky-Index of 70 points minimum. In a randomly process patient will be allocated to either a group which receive standardised information supported by the picture material or just a standardised consent talk. Detailed information is given about the indication, the probable complications and the details of the forthcoming procedures (coronary catheters or endoscopic procedures). The procedure takes place one day after the conversation between the physician and the patient. We conduct a prospective, randomised investigation using a tool called "Dr. Topf's Patienteninformationssystem" which has been designed to supplement the clarification of facts. A sample of 5 pictures maximum is presented on a sub-notebook. The computerised animation is limited to 5 minutes. Participants of the control group are informed with support of the common informative pamphlet only. An analysis of the time required is being performed. Short after the conversation between physician and patient, the patient is asked to personally assess the quality of the consent talk. 3 days later we check the evidence of the visualised approach using a formalised questionnaire (standard of knowledge). 10 multiple-choice questions, been taken from students assessment questionnaire and adapted to patient knowledge level, apply to the contents of the happened conversation.
- Konferenzbeitrag@HOME: A modular telemedicine system(Mobile Computing in Medicine, Second Conference on Mobile Computing in Medicine, Workshop of the Project Group MoCoMed, GMDS-Fachbereich Medizinische Informatik & GI-Fachausschuss 4.7, 2002) Sachpazidis, I.In that paper we will describe a system for remotely monitoring of patients at home from the doctors at the hospital. In general, the @Home [AtH02] system can measure, collect, analyze and record health care data at a patient's home and then subsequently send these data to the hospital using the global system for mobile communications (GSM) or PSTN telephone line. The paper is organized as follows: In section 1, a brief introduction of the @home project is exposed. In section 2, the overall architecture of the system is shown. Finally, the paper concludes in section 3, stating the clinical trials and the benefits of the project.
- KonferenzbeitragAccessing DICOM 2D/3D-image and waveform data on mobile devices(Mobile Computing in Medicine, Second Conference on Mobile Computing in Medicine, Workshop of the Project Group MoCoMed, GMDS-Fachbereich Medizinische Informatik & GI-Fachausschuss 4.7, 2002) Kroll, M.; Melzer, K.; Lipinski, H.-G.Displaying medical images and waveforms which are stored in the DICOM file format is no longer a task that can be performed on desktop pc's only. This article describes a feasibility study where we have developed a set of applications for viewing and even analysing DICOM image and waveform objects on mobile devices such as mobile phones or PDAs. In order to overcome the shortcomings, especially the computing power, of those devices we use a client/server solution that has been completely implemented using the Java Programming Language on the server and the c lient devices as well.
- KonferenzbeitragApplicability of handheld computers in clinical information systems: Comparison of evaluation methods(Mobile Computing in Medicine, Second Conference on Mobile Computing in Medicine, Workshop of the Project Group MoCoMed, GMDS-Fachbereich Medizinische Informatik & GI-Fachausschuss 4.7, 2002) Christoph, K.; Bludau, H.-B.Although handheld computers are increasingly used in professional areas, an instrument for evaluating their applicability in different cases and scopes does not yet exist. There is an urgent need for standardised evaluation methods comprising handheld specific questions like mobility, different hardware (CE, Palm, Psion), different possibilities for data capture (keyboard versus pen), different displays, or individual combination of functionality, to highlight just a few important tasks. This paper consists of a description of common evaluation methods and their comparison. On this basis we present an extension of established instruments for evaluation, which was tested in clinical environment. Main focus is laid upon the ISO 9241 Part 10 and the principles of organisation described therein: self-descriptiveness, controllability, conformity with user expectations, error tolerance, suitability for individualisation and suitability for learning. These standards are integrated into different questionnaires (e.g., IsoMetrics, Iso- Norm), which are the basis for further development of the adoption to mobile computer evaluation. We give an overview on usability of questionnaires based on ISO 9241 Part 10, together with our extension in the part of the handheld-specific questions. The results permit a first estimation about the applicability and functionality of handheld computers in a clinical environment. We evaluate if such an extension of the ISO-based questionnaire is appropriate for describing the full applicability of handheld computers.
- Konferenzbeitrag7 years of experience using personal digital assistants (PDA) for psychometric diagnostics in 6000 inpatients and polyclinic patients(Mobile Computing in Medicine, Second Conference on Mobile Computing in Medicine, Workshop of the Project Group MoCoMed, GMDS-Fachbereich Medizinische Informatik & GI-Fachausschuss 4.7, 2002) Rose, M.; Walter, O. B.; Fliege, H.; Becker, J.; Hess, V.; Klapp, B.F.In clinical psychosomatics there is a need for adequate documentation of psychometric data both within the framework of individual diagnostics and in carespecific quality assurance. The data collection method should meet current psychometric standards, while at the same time allowing a fast and economical evaluation. In contrast to conventional methods using paper and pencil, computer-assisted testing offers considerable advantages in both regards. Using data collected from 6434 patients between the years of 1995 and 2002, we investigated what effects the complete conversion of a psychometric basis assessment to a mobile, computer-assisted method had in terms of acceptance, data structure, and economy. We implemented the following questionnaires, among others: the Center for Epidemiologic Studies-Depression (CES-D) Scale, the Giessen Complaint Inventory (Giessener Beschwerdebogen GBB), the Berlin Mood Questionnaire (Berliner Stimmungsfragebogen BSF), the State-Trait-Anxiety Inventory (STAI), the Short-Form 36 (SF-36), the WHOQOL-Bref, the Giessen Test (GTS), the Narcissism Inventory (NI), and parts of the Psychosomatic Basis Documentation (PsyBaDo). Based on our experience, we can conclude that 1. testing by means of mobile PDA's enjoys a high rate of acceptance among patients, 2. the organization of data is considerably improved, which guarantees an immediate evaluation for clinical and scientific lines of questioning, 3. no significant alterations result in terms of the psychometric characteristics of the questionnaire, and 4. mobile computerized testing is two-thirds cheaper than conventional testing using paper and pencil.
- KonferenzbeitragHandheld-based data collection in a highly distributed clinical study (PMS)(Mobile Computing in Medicine, Second Conference on Mobile Computing in Medicine, Workshop of the Project Group MoCoMed, GMDS-Fachbereich Medizinische Informatik & GI-Fachausschuss 4.7, 2002) Antwerpes, F.; Weber, R.Electronic Data Capturing offers a significantly higher ad-hoc quality of study data at the time of entry, which is specifically important for post-marketing type studies where resources for subsequent data cleaning are limited. Internet-based tools provide a good solution to these scenarios as typically large numbers of centres and/or doctors are involved. But while the deployment of Internet-based (online) studies on existing computer equipment is relatively easy, participants might find it sometimes difficult to integrate the electronic documentation effort into the clinical practice. This might be due to limited availability of Internet access, the location of the computers, security concerns etc. The presented case study shows how the introduction of handheld computers can help to overcome these issues and provide for added flexibility and ease of use. Furthermore, actual data regarding the penetration of mobile devices in the medical community in Germany is discussed to give an outlook of the future potential for mobile studies.
- KonferenzbeitragUse of electronic diaries within treatment of obesity and binge eating disorder: First experiences(Mobile Computing in Medicine, Second Conference on Mobile Computing in Medicine, Workshop of the Project Group MoCoMed, GMDS-Fachbereich Medizinische Informatik & GI-Fachausschuss 4.7, 2002) Quenter, A.; Bludau, H.-B.; Friedrich, H.-C.; Schild, S.; Riepe, T.; Zipfel, S.After initial use for treatment-documentation within the scope of follow-up studies, electronic diaries are increasingly implemented in clinical settings. Particularly, diaries seem to fit very well in areas where "paper and pencil-diaries" yet constitute well established elements of symptom-focussed treatment settings, including a detailed description and analysis of problem behaviour. This e.g. applies to treatment of eating disorders like anorexia nervosa, bulimia nervosa or binge eating disorder (BED). BED is characterised by ingestion of a large amount of food in a discrete period of time, accompanied by a sense of loss of control. BED in particular appears to be predisposed for the use of electronic diaries: By the mean of self-observation based on diary recording, information about triggers of problem behaviour, thoughts, somatic symptoms, and feelings experienced during a binge, as well as patient's reactions in a detailed manner may be assessed. Therefore, as a therapeutic mean, electronic diaries are fostering taking-over of self-responsibility and thus, will raise treatment motivation. Especially when binge eating and loss of control occur, the use of diaries enhances self-control and self-regulation. Electronic diaries realised on handheld-computers (Palm 100m) are used within the scope of an intervention study realised by the Dept. of General Internal and Psychosomatic Medicine of the University of Heidelberg, focussing on treatment of obese patients with binge eating disorder. Purpose of the study is the registration of therapeutic relevant information as well as the assessment of progression within a multimodal, out-patient group therapy. First experiences demonstrate the feasibility of mobile computing systems even with elder out-patients with no or little technical knowledge. However, implementation of the system requires focussing particularly on technical aspects. Limitations which may result from insertion of innovative technical equipment (particularly, a susceptibility to electronic problems and maybe resulting in restrictions of data) should be considerated in an adequate manner during scheduling.
- KonferenzbeitragMobile computing in medical and healthcare industry(Mobile Computing in Medicine, Second Conference on Mobile Computing in Medicine, Workshop of the Project Group MoCoMed, GMDS-Fachbereich Medizinische Informatik & GI-Fachausschuss 4.7, 2002) Linhoff, M.We believe the specific development of applications for mobile devices is the most important issue for ensuring the integration of mobile computing within the medical industry. This must reflect the individual device design and the individual user groups.
- KonferenzbeitragMobile documentation with integrated PDAs – a real world example(Mobile Computing in Medicine, Second Conference on Mobile Computing in Medicine, Workshop of the Project Group MoCoMed, GMDS-Fachbereich Medizinische Informatik & GI-Fachausschuss 4.7, 2002) Arnscheidt, K.; Brüchert, L.; Puhl, H.; Walter, M.Different solutions have been proposed by both manufacturers and institutions to tackle the ever-growing problem of documentation in the hospital. With the arrival of mobile technology new solutions are developed to support medical staff in their daily work. meditrace is a PDA-based, integrated system, permitting to document medical findings at the patient's bedside. The first pilot installation is running since 2002 in a ward for internal medicine of a German hospital. We first present an overview regarding the documentation issue and the meditrace product itself. Then we report about the pilot installation. We give details about integration, expectations, problems and success followed by a short outlook concerning possible future development.
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