Biomedical subjects
E H Hansen
Publications and source records attributed to E H Hansen.
[Problems with controlled clinical trials. On the way toward a different model].
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Development, use and evaluation of drugs: the dominating technology in the health care system.
The article presents various perspectives of drug technology and health care policy in Denmark. Drugs dominate as the most widely used treatment technology in the health care system and the use of drugs is steadily increasing. The pharmaceutical industry's development of drugs is based on an economic estimate of developments, expenditures, marketing costs and the anticipated share of the market. Controlled clinical trials have become the main form of documentation required by the health authorities. This method is insufficient to evaluate the (side) effects of the drugs when in actual use. Drugs fit perfectly the technical perception of disease, a perception which prevails in the pharmaceutical industry, medical science and in the treatment of disease. This perception believes that a disease is due to an attack or dysfunction in the biological-mechanical conditions of the individual. Drugs offer a standard solution to health problems independent of the individuals' social life. Thus drugs become a tool which function in agreement with the disintegrated and achievement-orientated approach to disease as it is organized today. In general the statements in this article are not limited to special Danish circumstances but are valid for other countries as well [1, 2]. (Norris R. Pills, Pesticides & Profits. North River Press, 1982; Braithwaite J. Corporate Crime in the Pharmaceutical Industry. Routledge & Kegan Paul, London, 1984) The empirical data in this article derive from Denmark, however.
[Travel letter. To be a nurse is considered inferior in Egypt].
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The active medicine user.
The purpose of the study is to analyse medicine behaviour seen from the user's point of view. The study intends to generate ideas to specify topics of problems and to try out a combination of qualitative research methods. The practitioners and four asthmatic patients attached to a health centre in Billund, Denmark, were interviewed. The patients kept a diary based on topics, the notes of which were elaborated by weekly telephone interviews. In a final interview all participants evaluated the course of the study. The combination of qualitative methods has been very suitable to provide the perspective of the user. The results of the study question the ideal picture of the patient as a passive user of medicine. The main trends show that: the users develop different strategies to evaluate medication therapy; it has negative consequences to the patient when medication is changed regardless of patient experience; the therapy improves when the doctor draws on the experience of the patient. The study contributes to the present, sparse knowledge about the consciously acting user of medicine and indicates the importance of incorporating the user's experience and life situation in the health care system's handling of health problems.
Rapid automated enzymatic method for the determination of alcohol in blood and beverages using flow injection analysis.
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Number and type of psychotropic drugs on the Scandinavian market in 1950-1977.
This article describes the number and types of psychotropic drugs on the market in Denmark, Finland, Norway, and Sweden from 1950-1977. The total number of drugs on the market in each country depended greatly on how psychotropic drugs were defined, but trends with time and differences between the countries were less affected by this definition. The number of drugs was highest in Finland and lowest in Norway. In all countries, the number of drugs increased from 1950 to the mid-1960s, most abruptly in Finland. They then quickly decreased in Finland and Sweden, but remained fairly constant in Denmark and Norway. The number of different active substances was much smaller than the number of drugs, and the differences between the countries were also smaller. The proportions of combination and hidden psychotropic drugs in relation to all psychotropics were considerable in Finland and Sweden, and the varying numbers of combination drugs contributed greatly to the wide differences in the number of drugs. From the medical point of view, far too many drugs were on the market in that period.
Enzymatic determination of urea in serum based on pH measurement with the flow injection method.
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Flow injection analysis. Part VII. Determination of glucose blood serum with glucose dehydrogenase.
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Flow injection analysis. Part VII. use of ion-selective elctrodes for rapid analysis of soil extracts and blood serum. Determination of potassium, sodium and nitrate.
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Flow injection analysis of environmental samples for nitrate using an ion-selective electrode.
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Flow injection analysis. Part VI. The determination of phosphate and chloride in blood serum by dialysis and sample dilution.
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A general standard addition method for kinetic substrate determinations in enzymatic analysis.
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Intra-arterial infusion of prostaglandin E1 in normal subjects and patients with peripheral arterial disease.
Acute vasodilatation was produced by infusion of prostaglandin E1 (PGE1) in the femoral artery in 6 patients with occlusive arterial disease of the legs and in 3 normal subjects. The effect on blood flow and on blood pressure was measured at different segments of the leg with the strain gauge technique, isotope clearance technique, and photoelectric technique. Skin temperature was measured at different levels by using thermocouples. The blood pressure on the legs decreased at all segments during vasodilatation as well in patients as in controls. The blood flow increased in all segments in normal controls. In patients the blood flow increased proximally in the legs. Distally, however, no increase could be demonstrated. As a good effect of PGE1, on ischaemic rest pains has been reported, mechanisms other than vasodilatation should probably be considered.
Hydroxychloroquine sulphate in prevention of deep venous thrombosis following fracture of the hip, pelvis, or thoracolumbar spine.
One hundred and fifty-three patients, forty-eight to ninety-seven years old, were included in a double-blind placebo-controlled investigation of the usefulness of hydroxychloroquine sulphate for the prevention of deep venous thrombosis in patients with fractures of the hip, pelvis, or thoracolumbar spine. The results indicated that this drug can reduce the number of thrombeombolic complications significantly (p less than 0.005), a finding that corresponds to the results obtained with other drugs such as coumarin derivatives or dextran 70.
[Measurement and description of joint mobility by the neutral zero method].
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[Ulcer treatment in experience with decubitus. Important to be familiar with ulcer treatment].
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Enzyme analysis by means of the air-gap electrode--determination of urease and arginase by monitoring of the initial reaction rate.
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