The in-vivo tolerability of an in vitro in cow, calf and sheep hearts developed method for radiologic visualization of the left ventricular conduction system is tested in four animal experiments. The clinical in-vivo tolerability could be demonstrated on principle; however, it is to accent that hypertonic X-ray contrast dyes may be the cause of morphological changes in the micro- and ultrastructures of the specialised musculature of unknown dignity.

Animals↗

PubMedDate not supplied

Atherogenesis in experimental uremia.

The development of experimental atherosclerosis was studied in subtotally nephrectomized rats which were subjected to preimmunization with horseradish peroxidase and subsequent feeding with atherogenic diet. Both in sham-operated pair-fed control animals and in uremic animals, the atherogenic diet caused hyperlipemia which was more pronounced in uremic than in control animals (control animals: triglycerides 1.11 +/- 0.04 mmol/l; cholesterol 5.82 +/- 0.21 mmol/l; uremia: triglycerides 1.33 +/- 0.06; cholesterol 10.9 +/- 0.31). An increase of cholesterol was seen both in the VLDL and in the LDL fractions. Despite more pronounced hyperlipemia, lipid concentration in the aortic wall was not increased nor were more marked histological abnormalities encountered in the aorta of uremic animals (cholesterol-fed control: cholesterol 95.4 +/- 4.4 micrograms/mg protein; phospholipids 2.42 +/- 0.9 micrograms/ml protein; cholesterol-fed uremia: cholesterol 96.8 +/- 4.9; phospholipids 2.52 +/- 0.8). The results suggest that despite hyperlipemia short-term experimental renal insufficiency does not promote atherogenesis.

Animals↗

PubMedDate not supplied

Histomorphological analysis of preservation injury as determinant of graft quality in clinical liver transplantation.

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Adenosine↗

PubMedDate not supplied

Phalloidin-induced proliferation of actin filaments within rat hepatocytes. Visualisation by electron microscopy and immunofluorescence.

Confirming our previous ultrastructural and biochemical studies, the combined electron microscopy and immunofluorescence investigations show that phalloidin causes a characteristically striking increase of actin filaments within rat hepatocytes. Filaments are localized mainly at the level of special junctional complexes between contiguous cells and around bile canaliculi.

Actins↗

PubMedDate not supplied

[Chronic prostatopathy].

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Adult↗

PubMedDate not supplied

[The "Geriatric Assessment" Study Group (AGAST): recommendations for the use of assessment procedures].

This work presents preliminary recommendations for a three-step geriatric assessment approach developed by a newly created working group consisting of members from nine geriatric departments in Germany and Switzerland. The recommendations were based on a literature review, expert consultation, and a consensus meeting. As part of this effort, instruments and guidelines for selected geriatric assessment instruments were translated and will be tested in German language. Further research is planned for refining the recommended method. Currently, these recommendations might help to stimulate the spread of geriatric assessment method in German-speaking areas and facilitate joint research projects among geriatric institutions.

Activities of Daily Living↗