Summary
Organic brain syndromes among the elderly have been studied prospectively in a total population during the 25-year period 1947–1972. The population (2,550 persons) originates from a geographically delimited area in southern Sweden (Lundby). The original population has been followed for 25 years irrespective of domicile. A comparison of incidences for the first 10-year period (1947–1957) and the second 15-year period (1957–1972) shows a decrease in organic brain syndromes in the population concerning multi-infarct as well as senile dementias.
Zusammenfassung
Prospektive Studien über organisch bedingte Hirnsyndrome in hohem Alter wurden an einer Gesamtbevölkerung in einer Periode von 25 Jahren 1947–1972 durchgeführt. Die Bevölkerung (2550 Personen) stammt aus einem geografisch abgegrenzten Gebiet in Südschweden, hier Lundby genannt. Unabhängig vom Wohnsitz wurde die ursprüngliche Bevölkerung über 25 Jahre beobachtet. Ein Vergleich der Inzidenzen zwischen der ersten 10-Jahresspanne (1947–1957) und der zweiten 15-Jahresspanne (1957–1972) zeigt eine Abnahme von organisch bedingten Hirnsyndromen betreffend Multi-infarkt Demenz sowie Senile Demenz in der Bevölkerung.
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This study has been supported by the following grants: The Bank of Sweden Tercentenary Foundation No. 71/2; The Swedish Medical Research Council Nos. 3474, 4803, 6881
The study has been performed with the approval of the Ethical Committee, University of Lund, and with the permit of the Swedish Data Inspection Board
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Hagnell, O., Lanke, J., Rorsman, B. et al. Current trends in the incidence of senile and multi-infarct dementia. Arch Psychiatr Nervenkr 233, 423–438 (1983). https://doi.org/10.1007/BF00342783
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DOI: https://doi.org/10.1007/BF00342783