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Biomedical subjects

E Bühler

Publications and source records attributed to E Bühler.

At least 37 records · Page 2Linked to original sources

[Significance of the medical anthropology work of Dieter Wyss for modern psychiatry and psychotherapy].

In the first part the decrease of the psychopathological research was described and the impact on the practical psychopathology was deplored, which in its existential tendencies could be very productive for a patient-orientated psychiatrist. The writings of D. Wyss stand in contrast to that disappearance of psychopathology. The author stressed the historical development of the patient an the importance of conflict which yields the dynamics of that development. The conception of psychosis has as its basic concept that of perspective which is a fundamental union of the "interior" and "exterior" of the human person. The essay ends with a discussion of the importance of the author for a humane psychotherapy which exists in a symmetric relation to the patient.

Anthropology↗

Deficiency, transposition, and duplication of one 15q region may be alternatively associated with Prader-Willi (or a similar) syndrome. Analysis of seven cases after varying ascertainment.

Seven patients are described who have some or all of the symptoms of Prader-Willi syndrome. They were ascertained by varying criteria starting either from the clinical picture or from the identification of a chromosome abnormality involving the proximal portion of the long arm of chromosome 15. The chromosome abnormalities consisted of two balanced translocations (15;18 and 8;15), three unbalanced ones (15;18, 15;19, and 9;15), and one interstitial deletion of bands 15q11 and q12. The seventh case had an unidentified extra chromosome. These data and a review of the literature led to the conclusion that deficiency, transposition, and even duplication of the region(s) 15q11-q13 may all result in a syndrome which is identifiable with or similar to the Prader-Willi syndrome.

Adolescent↗

Correlation between the number of sex chromosomes and the H-Y antigen titer.

H-Y antigen was studied serologically on blood cells and cultured fibroblasts of patients with numerical aberrations of the sex chromosomes. As compared with normal males, patients with the karyotypes 48,XXXY and 49,XXXXY have reduced H-Y antigen titers; a tendency toward reduced titers can also be detected in the 47,XXY Klinefelter syndrome. The existence of an intermediary titer was further substantiated by a quantitative absorption test applied to cells with the 49,XXXXY karyotype. It appears that in the presence of one Y chromosome, the H-Y antigen titer decreases with an increasing number of X chromosomes. In contrast, the H-Y antigen titer is increased if, at a given number of X chromosomes, the number of Y chromosomes is increased, as in the 47,XYY male. Consequently, patients with 48,XXYY chromosomes are in the male control range. The findings are interpreted under the hypothesis of a controlling or modifying influence of the sex chromosomes on the titer of H-Y antigen.

Adolescent↗

Irregular phenotypic expression of ring chromosomes.

2 patients with 13- and C9-rings are reported. On reviewing the phenotypical features of the published ring carriers and comparing them with our results we do not find any characteristic similarities. This can be explained by cytogenetical and biological findings. We are therefore inclined to reject the existence of clear-cut ring chromosome syndromes.

Child↗

The gingivitis iron test.

Mixed saliva stimulated by mastication was sampled under standardized conditions in 50 recruits before and after a 10-day period of intensified oral hygiene. The degree of gingivitis was assessed (1) with the Sulcus Bleeding Index and (2) with the spectrophotometric determination of blood iron in the saliva samples. Oral hygiene reduced (1) the SBI from 1.1+/-0.6 to 0.6+/-0.4 and (2) salivary iron from 0.6+/-0.5 to 0.3+/-0.4 mug, both differences being highly significant (PF is less than 0.001). SBI and iron data were significantly but not strongly correlated (r=51).

Adult↗