PubMed Health⌕ Search

Biomedical subjects

J Herrmann

Publications and source records attributed to J Herrmann.

At least 55 records · Page 3Linked to original sources
PubMed1978

[Risk to patients with latent or manifest hyperthyroidism through iodine-containing contrast media and drugs (author's transl)].

Severe iodine-induced hyperthyroidism occurred in 25 patients with, at the time not yet fully diagnosed thyroid function after administration of iodine-containing contrast media, disinfectants or drugs, in four of them precipitating a thyrotoxic crisis. As iodine-induced hyperthyroidism is often resistant to the usual antithyroid treatment, thyroid function should be checked whenever the use of iodine-containing contrast media is indicated.

Adult↗
PubMed1978

[Thyrostatics].

Explore the source record for details and available documents.

Adult↗
PubMed1978

[Effect of estrogen upon thyroid metabolism (author's transl)].

During enhanced endogen estrogen production (pregnancy) as well as during exogen estrogen application a rise occurs in TBG concentration in serum, which seems to be dose related. Simultaneously with the TBG there is an increase in total T4 and T3; the concentrations of the free T4 and T3 however decrease. Towards the end of pregnancy AFT4 is significantly decreased, compared to the controls, AFT3 being in the lower normal range. The lower concentrations of the free hormones are also documented by a decline in the T4/TBG and T3/TBG ratios. Normal basal TSH concentration in serum suggest a metabolic state which is still compensated. Oral contraceptives with low estrogen content have no influence on TBG, T4 and T3 concentrations.

Contraceptives, Oral, Hormonal↗
PubMed1978

[Thyroid hormones].

Explore the source record for details and available documents.

Biological Transport↗
PubMed1978

Non-glucoregulatory hormones (T4, T3, rT3, TSH, testosterone) during physical exercise in juvenile type diabetics.

Non-glucoregulatory hormones (T4, T3, rT3, TSH and testosterone) were studied by radioimmunoassay in juvenile-type diabetics in moderate control and in ketosis due to insulin withdrawal and in age matched "normals" during a mild prolonged exercise test. The basal serum hormone levels revealed the following findings: Serum testosterone was markedly lower in diabetics than in normals ( 177 +/- 24 resp. 618 +/- 52 ng/dl). This is in contrast to other studies, but it may reflect decreased testicular function due to an early, clinically not apparent atherosclerotic disease. Serum T3 was significantly lower in diabetics than in normals (110 +/- 16 resp. 145 +/- 19), suggesting an early "low T3-syndrome" in juvenile-type diabetics. However, increased serum rT3 levels were not observed, and serum T4 and TSH were normal. Mild prolonged exercise had no major effects on these nonglucoregulatory hormones. In juvenile-type diabetics the degree of metabolic control had no influence on the response of the mentioned hormones. However, an increased cortisol/testosterone ratio in ketotic diabetics in the basal state with a further increase during exercise was demonstrated, indicating an aggravation of the catabolic state in these patients during exercise.

Adult↗
PubMed1978

[Kinetics of the temperature dependence of thermal activation and inactivation of bacterial endospores as a consequential reaction].

Reaction kinetics explains the thermal activation and destruction of bacterial endospores as a consequent reaction with the activation rate constant k 1 of the resting spores N 0 and the destruction rate constant k 2 of the heat-activated spores N ++: (formula see text). If one takes also into account the activated spores already present in a suspension, one obtains, at constant temperature, destruction curves that become straight lines when plotted semi-logarithmically or correspond to the convex and concave curves often described in the literature. The D value of destruction must be calculated from the k value of the slowest reaction. Experiments with endospores of Bac. subtilis showed that k 1 greater than k 2 at temperatures less than 100 degrees C, and k 2 greater than k 1 at temperatures greater than 135 degrees C. In case of further confirmation of this theory, far-reaching conclusions might be drawn as to the calculation of the sterilization of F value.

Bacillus subtilis↗
PubMed1977

The SC phocomelia and the Roberts syndrome: nosologic aspects.

We reviewed the SC phocomelia syndrome (SCS) and the Roberts syndrome (RS) to demonstrate techniques of nosologic analysis based primarily on the phenotype analysis. We considered type, localization, severity, and variability of the manifestations. In this patient sample these techniques are not sensitive enough to rule out any one of the three most likely etiologic hypotheses, namely whether the SCS and the RS are due to different recessive genes, different alleles, or the same recessive gene. However, this study does suggest certain implications for each of these possibilities.

Abnormalities, Multiple↗
PubMed1977

Studies of malformation syndromes of man VB: the hypertelorism-hypospadias (BBB) syndrome. Case report and review.

We describe a boy with the hypertelorism-hypospadias (BBB) syndrome. His mother and his maternal grandmother showed minor manifestations suggestive of the syndrome. The BBB syndrome is a syndrome of multiple congenital anomalies with mental retardation due a segregating mendelian mutation, either X-linked or autosomal. This paper reviews the literature on the subject and emphasizes the problem of identifying females at high risk of transmitting the condition.

Abnormalities, Multiple↗