Biomedical subjects
Publications and source records attributed to H Sinzinger.
A simple combined method for staining the arteries of fetuses and newborns with following demonstration of the vessel wall permeability for macroscopic and microscopic investigations is described.
In the arteries of 17 rejected renal grafts 'activated' smooth muscle cells (ASMC) were discerned from a 'resting' type. Proliferation and fibre production by ASMC resulted in a marked thickening of intima. Each of four normal Wistar rats received 20 mg prednisolone i.v./day for one week and the development of hypertension was therapeutically prevented. Changes similar to those in the graft arteries were found in the rat aortas. We assume that SMC were stimulated by several mechanisms in rejection but also by extremely high dosed corticoids.
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A case of a hereditary sphaerocytosis with complete controlment is reported. After splenectomy the red blood cell enzymes as well as fetal haemoglobin only slowly normalized. The other parameters rapidly returned to normal.
A distinct distribution of activated SMC could be demonstrated in atherosclerotic plaques and the neighbouring media of human beings. An increased proliferation was found in the younger age group and generally in the marginal regions of the plaques. The occurrence of activated SMC is thought to be a sequel of metabolic hypoxic damages. A high frequency of activated SMC is a bad prognostic sign in surgical specimens indicating a tendency for proliferation and occlusion.
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Three rare varieties of upper abdominal arteries were compared with similar cases in the anatomical literature. An attempt was made to obtain a classification of the supernumerary branches of the celiac trunk and of the anastomoses between the celiac trunk and the superior mesenteric artery. One or more supernumerary branches of the celiac artery can be observed: (1) the superior mesenteric artery; (2) an accessory hepatic artery; (3) a posterior pancreatic artery; (4) a colic artery; (5) an accessory splenic artery; (6) a connecting branch to the superior mesenteric artery, and (7) an inferior phrenic artery. The following types of anastomoses between the celiac artery and the superior mesenteric artery can be distinguished: (1) direct connection; (2) anastomoses within the hepatic artery; (3) anatomoses following pre- or postnatal stenosis, and (4) the pancreatic arcades. For the first type the theory of TANDLER (longitudinal anastomosis) is abandoned. The development of the second type is as yet unresolved. In the case of the last two types a postembryonal formation is possible.
Acetylcholinesterase has been demonstrated in the spiral ganglion cells by the method of Karnovsky and Roots. After incubation for 24 h the content of AchE was measured with the help of a three-stage scale. 22% of the cells showed strong, 50% medium and 28% weak AchE activity. Within the spiral ganglion perikarya, the enzyme was equally distributed.
The numerous anatomical and radiological nomenclatures of hepatic arteries are compared and discussed. Our own material for the assessment of accessory hepatic arteries consisted of 220 anatomically prepared individuals and 74 angiograms. The individual branches in the normal case as well as all variations and their frequency are discussed. The present, often confusing nomenclature is critically reviewed and an attempt is made to establish a simple and clinically acceptable nomenclature. We propose to name the additional branches supplying the liver as 'arteria hepatica accessoria' with reference to the vessel from which they originate. Additional branches in the terminal branching (ramus accessorius) and vessels of the liver capsula should not be referred to as accessory hepatic arteries.
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DCS and ACTH causes an increasing cellular proliferation in the arterial wall of the rabbit. The combination of both shows only a small further increasing. The importance of these experiments is thought as an additional cause in the atherosclerotic vessel wall alteration.
The introduction of a pollen diet as an adjuvant in the reduction of side effects during radiotherapy of patients with gynaecological cancer is described and its efficacy evaluated. 15 women with carcinoma of the cervix received a pollen diet during irradiation, whilst ten further patients receiving irradiation served as controls without pollen added to the diet. Serum enzymes, proteins, vitamins and blood count were analysed before and after irradiation. It appears, that pollen favourably influences the efficacy of irradiation and reduces the frequency of side effects, both subjectively and objectively.
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