Biomedical subjects
Publications and source records attributed to A Benzer.
In 12 severely burned patients the input of fluid and sodium, as well as sodium concentration in plasma and urine, was studied. The osmolarity in plasma and 24-h urine was measured. The high initial sodium input is noted. Plasma sodium levels stay within the normal range when the amount of sodium given during the further treatment is reduced. The importance of urea production in affecting plasma osmolarity is demonstrated.
152 patients, who had suffered head and brain injury during the years 1980 to 1982 were interviewed by letter using a standardized questionnaire to assess the individual outcome. There were questions concerning activities of daily life, invalidity, work activities, social relationships with family and other persons, leisure activity and the grade of persisting sequelae. There were 106 replies, 16 patients had died meanwhile. According to their neurological symptoms on admission at the intensive care unit the patients were divided into two groups. Group I included patient, who showed symptoms of midbrain syndrome stage 1 and 2, while group II presented patients had midbrain syndrome stage 3 and 4. Activities of daily life (feeding, dressing, toiletting and ability to get out of bed and move around the room) were restored in the great majority of patients. 15 patients of group II were classified as invalid. Significant changes in social relationships with the family were seen in 50% of the patients. Further, a decrease of contacts with friends, and a significant decrease in leisure activity (sport) was noted. 28.4% of the patients of group I and 36.8% of the patients of group II, who were at work before the trauma, now were out of work. The others generally worked below their previous level. Persisting sequelae included headache, lack of concentration and weakness of extremities. These symptoms were more prominent in the patients of group II; surprisingly little complaints concerned sexual life and somatic problems. It was found, that severe head and brain injury had significantly changed the patient's life in most cases. Work activities were strongly impaired in about 30% of cases.(ABSTRACT TRUNCATED AT 250 WORDS)
In the last decade, there have been many experiments with nonpulsatile blood pumps to perform functional heart replacement by biventricular assist devices. To determine if life is sustainable with nonpulsatile blood flow, two nonpulsatile blood pumps were implanted in the orthotopic position as an artificial heart after removal of the natural heart in extracorporeal circulation. In three preliminary experiments, the feasibility of total heart replacement with nonpulsatile implantable blood pumps was shown.
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