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Biomedical subjects

G Linss

Publications and source records attributed to G Linss.

At least 55 records · Page 3Linked to original sources

[A-wave in calibrated apex cardiogram in hypertension. Studies during rest and after exertion].

Apexcardiographic examinations were carried out of 86 hypertensive patients without clinically manifest heart failure. The amplitude of the wave a (or the per cent fraction of the wave a of the total amplitude) and the maximal rate of wave rise, df/dta were statistically significantly higher in the hypertensive patients than in normal subjects. The findings are interpreted as a manifestation of an increased left ventricular rigidity and of an increased atrial contractility in hypertensive patients. No correlation was found between the apexcardiographic indicators checked and the indicators of the cardiac pump function. In 46 hypertensive patients, in addition, a dynamic exercise test was performed (50 W for 6 min); 1 minute after cessation of exercise an apexcardiogram was recorded. An increase in the a/T quotient (greater than or equal to 5%) was found in 20; a decrease (=5%), in 10; and no change (less than +/- 5%), in 16 hypertensive patients. The postexercise apexcardiographic changes had no correlations with haemodynamic changes occurring during exercise.

Adolescent

[Necrobiosis lipoidica diabetricorum and serum lipids].

Necrobiosis lipoidica diabeticorum is briefly described. Its high coincidence with hyperlipoproteinaemia in casuistic reports from the literature as well as in about half of the 22 cases observed in our clinic can be taken in favour of possible relations between these conditions. Disturbances of fat metabolism may even be considered important for pathogenesis of necrobiosis in general, the more as at least no optimally regulated fat and carbohydrate metabolism can be achieved by best therapeutic control of carbohydrate parameters in juvenile diabetics. Microangiopathia diabetica seems to exist from the very beginning of diabetes mellitus and may ne a basic etiologic prerequisite for the development of necrobiosis. Topical conditions of certain body regions are said to take part in final precipitation of necrobiotic spots.

Adult

[Anamnesis as a screening method for cardiovascular diseases].

In general the anamnesis meets all requirements which are put to a screening method; however, special problems arise when the anamnesis is made by means of a questionnaire. The team which gives the report had projected a questionnaire for 8 cardiovascular groups of diagnosis (ischaemic heart disease, hypertension, functional, inflammatory and pulmonary heart disease, disturbances of the peripheral arterial blood supply, cerebrovascular insufficiency and venous diseases). This questionnaire was reduced and qualified and tested on test persons of a Berlin enterprise. A final judgment concerning the use of the anamnesis as screening method cannot be given at present. However, it limns oneself already that it is possible with its help to establish many endangered persons and patients and to subject them to the primary and secondary prevention.

Cardiovascular Diseases