[Thrombophilia].
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Biomedical subjects
Publications and source records attributed to W Tymiński.
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Coagulation disturbances in patients with multiple myeloma are presented. Platelet disfunction was especially observed, but only in patients with marked hyperproteinemia and a high level of immunoglobulins in plasma, whereas normal adhesion and aggregation were noticed in 3 out of 17 patients without protein disturbances. Chemotherapy as well as plasma exchange caused not only a decrease of the paraprotein level in plasma, but also a normalization of the failure previously observed in platelet function. Our experiments confirm the opinion that protein M in plasma is responsible for the disturbances observed in multiple myeloma.
The influence of anabolic steroids plus phenformin on the course of disease was studied in patients suffering from occlusive vascular diseases. In arteriosclerosis obliterans of the lower limbs the combined therapy led to a higher percentage of improvement than the control group showed. In coronary heart disease there was also a beneficial effect of this treatment. The drugs were found to exert beneficial clinical effects especially in patients with thrombophlebitis migrans and superficial thrombophlebitis. From the results of this study it is concluded that this therapy may be of clinical value in the treatment of patients with occlusive vascular diseases.
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The above described changes in the haemostatic system in acute leukemias are well known and underlined by many authors [1, 5, 6, 9]. It should be stressed that the results of particular nonspecific hemostatic tests in some patients may be within the normal range in spite of significant alterations in the activity of some blood coagulation factors and the presence of hemorrhagic symptoms. In the observations of some authors the factor VIII level is distinctly increased in the majority of acute leukemic cases, whereas the vitamin K-dependent blood coagulation factors show a low activity in some patients [6, 9]. It is not easy to interpret the different behaviour of the factor XI and XII level especially before antileukemic treatment. In 3/4 of all studied cases the factor XI activity was low, whereas the factor XII level was high in 1/4 of patients above the normal range. It may be that there is a specific inhibitor against the factor XI that is produced in acute leukemia. It must be stressed that the level of factor XI shows normal values during hematological remission.
Coagulation and fibrinolysis were measured in the portal and peripheral circulation in 15 rabbits after ligation of the superior mesenteric artery. It was found that the local coagulation syndrome in the mesenteric region can be recognized by tests in blood samples taken from the peripheral circulation area.
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In 111 rats divided into 5 groups, Ipronal (5-allyl-5-(beta-hydroxypropyl)-barbituric acid) protected rats from development of experimental ulceration of the gastric mucosa twice as effectively as diallylbarbituric acid and compound D2H (5-isopropyl-5-(beta-hydroxypropyl)-barbituric acid). Compound D1S (alpha-allophanyl-alpha-allyl-gamma-valerolactone) was devoid of this action.
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