THE DIGITAL COMPUTER IN CALCULATING DIETARY DATA.
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This study was undertaken to describe the attitudes of the personnel of a hospital toward automatic data processing. We describe also the change in the attitudes during a four-year adp-system development. In 1984 123 persons were interviewed in Varkaus district hospital in Eastern Finland. The number of interviewed persons in the same hospital in 1988 was 125. During the four years the attitudes became more positive. Nearly all personnel groups changed their attitudes. Only the clerical staff on the wards had more negative attitudes in 1988 than in 1984. That was mostly due to ample amount of faults both in hardware and software at the time interviewing took place. That was even seen in the attitudes of the out-patient clinic personnel who had to work with the same problems. High level both in base and in data processing education had effect on positive attitudes.
To determine the choice of an adequate automatic data processing system in psychiatry, as in medicine, requires a serious set of specifications: one must take into account the aims, and distinguish between everyday applications of file processing, and other ones, more demanding, of research and statistical applications, often little compatible with each other. The financial means have to be compared with the expected benefits (output): often in psychiatry, the patient turn-over is too low to justify the purchase of an expensive hardware. The objectives of filing and classification have to break out, in order to supply the best answer (soft ware). However a computer system alone will not be sufficient to settle, anyway, the question of diagnosis in psychiatry.
Automatic data processing in veterinary practices is rapidly progressing. Automation of the administration of practices was an important factor in starting these developments, and electronic processing of health and production data within the framework of a herd health and production service programme is enjoying considerable current interest. Information networks will be set up by agricultural branch organizations, the national and regional centres, the Stichting V-Data and commercial organizations. These will make the supply of information to and communication among animal owners, practitioners, advisers and other disciplines operational on a large scale. The data banks developed from information networks may be utilized, among other things, in epidemiological investigations and in taking well-founded decisions regarding management. The rapid advance of the technology of information in the animal production section will considerably affect the management of veterinary practices. The practitioner will have to be able to interpret his computer data and translate them into advice and measures to be adopted by animal owners. Epidemiological training will have to be an essential part of the activities of the veterinarian to enable him to interpret interactions of conditions and management on the one hand and the health status and state of production on the other. Establishing a merely clinical diagnosis in which interaction of host and pathogenic agent is central, will no longer suffice. Rather, an epidemiological diagnosis is required, in which the environment and its many vectors are also included. Apart from the variety of new possibilities to which entry is gained, the central co-ordinating position which can be occupied in the animal production section, will be considerably strengthened.
Thirty subjects with healthy hands have been studied in standardized meal experiments comprising serving, eating and drinking. The activities were filmed and the grips classified by means of a descriptive code system and analysed by automatic data processing. The investigation has resulted in new information about the grip pattern of the normal hand as well as detailed data on fingers and parts of fingers used. The study demonstrates the value of analysing hand function with reference to integrated activities.
In an experimental study 30 healthy subjects performed the tests of prehensile function in the Rancho Los Amigos test. The subjects were allowed a free choice of grip instead of those prescribed when the test is used for clinical purposes. The hand-grips were filmed and registered by means of a descriptive code system and the results were subjected to automatic data processing. The results showed that healthy subjects performing the RLA test used a stereo-typed grip pattern as a consequence of the uniform purpose of the hand-grips. Comparison with the results from a standardized meal study in the same subjects showed that functional assessment of a patient with a test of this type is not directly applicable to integrated daily activities, as several of the hand-grips most frequent in daily activities were rarely used. Comparison with types of grip prescribed for clinical use of the test showed that normal subjects often did not spontaneously handle the objects in the manner intended by the test.
A system is described for the acquisition of physiological data for up to 24-hour periods in the ambulant subject free to undertake his usual daily activities. ECG and trunk acceleration signals are recorded on a small analogue magnetic tape recorder along with a stable time-reference. The standard C120 tape cassette used in the recorder is replayed at 60 times the recording speed and the recovered data automatically processed to yield outputs which describe the instantaneous heart rate response of the subject to particular activity. The system is evaluated and the potential indicated by examples of clinical application.
Mechanical sector scanning in echocardiography achieves two-dimensional imaging of the heart at a fairly good resolution and at reasonable cost. A few diagnoses can immediately be made off the screen without recording the M-mode. Quantitation of movements is possible, however rather time-consuming without automatic data processing. The experience with the application of the device in a medium-size hospital over 2 years shows that with proper selection approximately 10% of patients in a department of Internal Medicine will benefit from this diagnostic procedure.
The incidence of hereditary nonpolyposis colorectal cancer (HNPCC) is not precisely known. Common estimates are 4 to 6% of all colorectal cancers (CRCs), but lower figures have been published. In an attempt to obtain an independent new estimate of this proportion and to identify more HNPCC families, we designed a new method. Based on the fact that age at diagnosis is considerably lower in hereditary than in sporadic CRC, a cohort of 227 CRC patients aged 44 years or younger diagnosed during the years 1985-1989 and reported to the Finnish Cancer Registry was chosen as probands. Pedigrees of the probands were constructed by combining information from the Finnish Population Register Center and Finnish Cancer Registry using only automatically processed data. Sixteen pedigrees were extended further by the help of parish registers. Six of these turned out to be new possible HNPCC families but none met the stringent criteria of the cancer syndrome. Our results can be interpreted to suggest that the proportion of HNPCC of all CRCs is between 0.5 and 0.9%, depending on the diagnostic criteria used. Modifications of our method should be useful in other research projects dealing with diseases in which a subset is due to genetically or environmentally determined susceptibility.
We studied antropyloroduodenal contractility in diabetics and the effect of erythromycin IV (100-500 mg) using the non invasive Boiron cineradiographic method analysis. Fourteen diabetics and 22 controls were examined. Four hours after a standard liquid-solid meal, patients drank 250 mL baryum solution. Fluorographic plates (10 x 10 cm) were taken every 2 s during 30 s. Semi-automatic data processing analysis allowed to measure motility parameters including antral (CA) and bulbar (CB) contractility indexes; pyloric opening index (OP), gastric (FG) and bulbar (FB) frequencies. Three types of pylorus behaviour patterns were define: A and B related to antropyloric and antropyloroduodenal coordination respectively and N without coordination. In diabetics, CA, OP and FG were decreased vs controls (P < 0.01) (CA: 65.5 +/- 6.8 vs 83.1 +/- 2.4%; OP: 60.9 +/- 8.7 vs 84.8 +/- 1.9%; FG: 2.42 +/- 0.14 vs 3.08 +/- 0.04 c/min) and antropylorbulbar coordination altered (N was predominant; no bulbar cycles at 3/min). Antral hypocontractility was correlated with autonomic neuropathy. After erythromycin, radiological parameters returned to normal values (CA = 83.0 +/- 2.4%; OP = 86.0 +/- 4.7%; FG = 3.0 +/- 0.16 c/min) and coordination improved type N disappeared and FB = 3 c/min (58%). Cineradiographic analysis is simple, able to show antropylorobulbar contractile abnormalities, to study pharmacological effects, and in diabetics is capable of studying improvement of motility parameters with erythromycin.
Whereas anaesthesia recording was already introduced by Codman and Cushing in 1894 and is now stipulated by law, work registration in anaesthesia and work comparison between departments of anaesthesia have only been built up in the last ten years. Based on the rapid development of computer technology specific solutions were found, ranging from simple software developments to complex on-line monitor systems. The basic data bank published by the German Society of Anaesthesiology and Intensive Medicine represents a minimum of data, which can be added to at will. We report on our new anaesthesia record and corresponding software with computer supported manual data registration, which was developed at our clinic, taking into account state-of-the-art data processing and quality assurance. A new development, which includes on-line data processing with automatic data registration followed by graphic or numeric data print-out, is now presented by Datex. In combination with manual data input of all parameters of work registration, complete automatic anaesthesia recording can be achieved. The authors report on their first own experience with this system.