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Biomedical subjects

E Thaler

Publications and source records attributed to E Thaler.

At least 37 records · Page 2Linked to original sources

Plasma concentration of platelet-specific proteins and fibrinopeptide A in patients with artificial heart valves.

beta-Thromboglobulin (beta TG), platelet factor 4 (PF4), fibrinopeptide A (FPA), lactic dehydrogenase (LDH), and platelet count were evaluated in patients with bioprostheses and prosthetic heart valves. beta TG and PF4 were significantly elevated in both patient groups (p less than 0.001), whereas FPA was normal. There was no significantly difference in plasma concentrations of beta TG and PF4 between patients with prosthetic heart valves and bioprostheses. LDH levels were significantly (p less than 0.001) higher and platelet count lower (p less than 0.001) in patients with prosthetic cardiac valves. The data indicate that bioprostheses do not cause haemolysis or activation of the coagulation system. The findings that the plasma concentration of platelet-specific proteins were elevated, support the assumption that both types of valves cause platelet damage.

Adult↗

[Course and intensive treatment of acute falciparum malaria (author's transl)].

The case of a nineteen-year-old women with the cerebral form of malaria tropica is reported. She showed hyperpyrexia, abdominal manifestations, haemolysis and disseminated intravascular coagulation. Cerebral symptoms amounting to grade IV encephalopathy occurred. The patient responded rapidly to the administration of chloroquine, anticonvulsants, dextran, corticosteroids, antipyretics, blood and antithrombin III and her symptoms had almost completely vanished one week after the onset of therapy.

Acute Disease↗

[Splenectomy in idiopathic thrombocytopenic purpura: short- and long-term results (author's transl)].

The results of splenectomy in 25 patients with chronic idiopathic thrombocytopenic purpura (ITP) are reported. Splenectomy was performed when the platelet count was consistently less than 30,000/mm3 in spite of glucocorticoid therapy over an observation period of at least six months. Following splenectomy, 13 patients showed complete remission, 9 partial remission, whilst in 3 cases the condition was unaffected by splenectomy. It is not possible to predict a successful response to splenectomy on the basis of preoperative laboratory findings. A rise in thrombocyte count to over 400,000/mm3 during the first 2 weeks after splenectomy makes complete remission very likely.

Adolescent↗

Acquired antithrombin III deficiency in patients with glomerular proteinuria.

Antithrombin III (AT II/III) was determined immunologically and by means of a heparin cofactor assay in plasma samples and 24-hour urine of 15 patients with various degrees of proteinuria, being predominantly of glomerular origin. In urine the AT II/III concentrations were significantly correlated to the concentrations of albumin, plasminogen and IgG. One third of the patients had AT II/III plasma levels below the normal range. The plasma levels showed a significant inverse correlation to the AT II/III and albumin clearance rates. Similarily, the plasminogen concentrations in plasma were decreased in two thirds of the patients, being inversely correlated to the renal plasminogen clearance values. It is proposed that AT II/III deficiency in the nephrotic syndrome is an important pathogenetic factor in venous thrombosis.

Adolescent↗

[Antithrombin III deficiency and tendency to thrombosis (author's transl)].

Antithrombin III (AT III) was determined in 290 patients with deep venous thrombosis and/or pulmonary embolism by immunological methods (radial immunodiffusion, Laurell technique) and by biological activity (heparin cofactor activity and anti-Xa activity). Patients with venous thrombosis had a significantly lower AT III concentration, as determined by the immunological methods or biological method (heparin cofactor activity), than normal persons without any history of venous thrombosis. A decreased level of AT III was found in 27 patients. In these patients the immunoreactive antithrombin III was decreased to the same degree as biological activity (heparin cofactor activity or anti-Xa activity). Thirteen out of these 27 patients belonged to 9 families and, hence, congenital AT III deficiency can be assumed in these cases. The aetiology was unknown in the other half. Patients with AT III deficiency are prone to spontaneous and/or recurrent venous thrombosis. A high incidence of pulmonary embolism and particularly, of fatal pulmonary embolism is remarkable. In more than half of the patients the first thrombotic event occurred before the age of 35. The treatment of choice in such patients is with oral anticoagulants of the coumarin group.

Adult↗

Coagulation abnormalities in liver disease.

The decreased capacity of the liver to synthesize proteins is the main cause of decreased blood levels of clotting factors II, V, VII, IX, X and of antithrombin III in patients with liver disease. Therefore, determination of the activity or concentration of these coagulation proteins is a useful test of liver function and guide to prognosis, provided that other mechanisms which may influence the blood level are carefully considered. Clotting factor assays have an only limited value for the differential diagnosis in liver disease.

Acute Disease↗

[The disseminated intravascular coagulation. Diagnosis and therapy on a medical intensive care unit (author's transl)].

Disseminated intravascular coagulation (DIC) is a frequent acquired disorder of haemostasis in the patients at the medical intensive care unit. The pathogenesis, the different possible clinical manifestations and the obligatory laboratory tests are reviewed. In addition to the treatment of the underlying disease, the importance of adequate restoration of fluid volume and early administration of heparin is stressed.

Adolescent↗

[Synovectomy in the prevention of recurrent joint bleedings in haemophilia (author's transl)].

Synovectomy was performed in seven patients with severe haemophilia A, one with moderately severe haemophilia A and one with severe haemophilia B. Frequently recurring haemorrhages into one knee and demonstrated hypertrophic synovitis were the indications for operation in all. No serious bleeding complications occurred during or after the operations. After synovectomy the frequency of haemarthroses in the synovectomised joint decreased significantly. Satisfactory joint function was eventually achieved in all by gymnastic exercises and physiotherapy over a long period. The operation should only be done in large haemophilia centres were there is sufficient experience.

Adolescent↗

Sonography: a method for localization of hematomas in hemophiliacs.

Sonography was used to visualize hematomas in hemophilic patients. The method is especially helpful for the diagnosis of psoas hematoma and retroperitoneal hematoma and allows the follow-up of hematomas of the cervical region and muscle hematomas. The method is simple, rapid, painless and has no known adverse effects.

Abdomen↗

[Blood coagulation disorder, hemolysis and hypoalbuminemia after autotransfusion in experimental intraperitoneal hemorrhages].

Autotransfusion in a canine model (n = 15) causes anemia, thrombocytopenia, hypofibrinogenemia, hypalbuminemia, and metabolic acidosis and enhances elimination of intravenously injected 131I albumin. Contact of the shed blood with the peritoneal surface aggravates the pathologic findings; without simultaneous intraperitoneal heparinization the highest rates of hemolysis with concomitant oliguria were observed.

Acidosis↗