Data security--a challenge to medical informatics.
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Biomedical subjects
Publications and source records attributed to G Griesser.
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The present study taken over a 12-year time period analyzes malignant tumors in a large number of autopsies, with specific consideration of the frequency and location, age and sex group distribution, and histologic classification of the tumors. The tumors were first evaluated in terms of specific organs and organ systems and were then histologically classified. On a total of 23338 subjects who died between the years 1960 and 1971, 17052 autopsies were carried out (73.1%) and only 15384 (65.9%) of these were evaluated for out study. Altogether we located 4911 cases of MT, i.e., 31.9% of the evaluated autopsies. The number of MT in the males slightly exceeded that in the females (2508[51.1%] MT and 2403 [48.9%] MT, respectively.) We calculated over 60% of the MT to be in the 7th and 8th age groups. By comparing the two time periods (1960-1965) and 1966-1971) we calculated a significant increase in the MT rate by 1.7%. This increase was found mainly to effect the males (the female group showed only a slight increase). The greatest number of MT were located in the digestive system with an MT rate of 26.2%; next came the urogenital system (23.4%) and then the respiratory system (18.7%). The respiratory system took first position of importance in the males with an MT rate of 30.3% followed by the digestive system with 27.4%. The urogenital system dominated in the females with a rate of 29.0%. The rate of MT of the respiratory system was significantly higher in the males...
The needs for permanently changing the logical and physical structure of a medical datebase during the development of a health information system have initiated the project of implementing a DATA MANAGER. The concept of the DATA MANAGER covers facilities for the development of the logical data structure model including documentation of the model and programming support for application programs accessing the health information system (HIS) database. The outstanding facilities of the INTERLISP system have been found to be appropriate for writing the DATA MANAGER. A first data structure model, on which the DATA MANAGER will operate, is roughly outlined.
The Ministry of Health and Environmental Control of Berlin is developing a Health Information System (HIS) on the basis of a multi-satellite network system, comprising a central, regional, local and functional unit level. The main part of this paper describes the conceptual structure of the Common Data Base (CDB) of HIS with special regard to the patient-oriented medical information originating from the various institutions of the health care system. This structure comprises the following five levels: 1. PATIENT 2. PROBLEM 3. CASE 4. EVENT 5. ACT Each of the levels represents a node in the structure model. A node is an entity with a set of "local properties" being specified for each level, referring to selected data on inferior levels. The structures of these five levels are described in detail. In the last part, so-called "data-manipulation procedures" are treated. These are descriptions covering any data manipulation and represent the basis of data integrity through system controlled transaction with the data base.
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