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Biomedical subjects

W Schmidt-Kessen

Publications and source records attributed to W Schmidt-Kessen.

10 recordsLinked to original sources
PubMed1980

[Medical rehabilitation in the Netherlands (author's transl)].

The present state-of-the-art in "Revalidation" in the Netherlands is described, where the term is used to denote medical rehabilitation including prevocational assessment of physically disabled persons. Sample surveys in 1971/72 revealed insufficient awareness and under-use of existing rehabilitation services. Since then, special emphasis has been placed on out-patient rehabilitation (clinics), with facilities and services being organised so as to serve a region of appr. 300,000 persons each, or an area within a radius of 30 kms from the facility. Organisation and staff schedules of rehabilitation facilities are discussed. Recently, marked preference of the "active" therapists can be noted. As in other countries, further development of the Anglo-Saxon team concept has, in the Netherlands too, given rise to a number of problems which are discussed more fully.

Persons with Disabilities↗
PubMed1978

[Studies on the metabolism of inorganic sulfate (author's transl)].

The blood serum fasting levels of inorganic sulfate increase with age, other differences are largely due to diet. The serum sulfate shows a circadian rhythm with a minimum before noon and a maximum in the afternoon and evening. Urinary excretion of sulfate disappears during a low-protein diet. The serum sulfate levels rise temporarily if oral intake of protein, water or inorganic sulfate in non-laxative doses is increased. From the decomposition of protein, sulfate is first excreted with alkali cations and sooner than other catabolites. Drinking water mobilizes sulfate from its tissue pool, which can be blocked by the addition of sodium chloride. The subsequent excretion of an oral sulfate dose is prolonged over one day.

Age Factors↗
PubMed1976

Temperature and endocrine activity during sleep in man. Activation of cortisol and thyroid-stimulating hormone, inhibition of human growth hormone secretion by raised or decreased ambient and body temperatures.

1. Polygraphic night sleep recordings in eight healthy male volunteers with simultaneous measurement of rectal temperature, plasma growth hormone (HGH), cortisol, and TSH concentrations were performed during normal, raised, and lowered ambient and body temperature. 2. There was a statistically significant increase in plasma cortisol and TSH levels during cold nights with a smaller rise during high temperatures. 3. Growth hormone levels, measured as the mean highest plasma concentration in the first two NREM-REM sleep cycles, were slightly lower during hot and cold nights than corresponding baseline values. It is suggested that there may be an inverse relation between ACTH and HGH secretion by the anterior pituitary gland. 4. During the nights of high ambient temperature, decreased total duration of sleep and particularly low values of paradoxical sleep were observed. Night sleep in low ambient temperature with a significant decrease of body temperature is not different from baseline conditions. 5. The results suggest that a pronounced increase in stress hormone secretion may occur without changes in polygraphic EEG criteria.

Adult↗