Coagulation studies were performed in 16 children with steroid responsive minimal change nephrotic syndrome in order to elucidate the incidence of thromboembolic complications. Fibrinogen and alpha 2-macroglobulin concentrations were inversely correlated with serum albumin concentrations, antithrombin III correlated positively (p less than 0.001). Factor VIII:R:AG concentration was elevated. Coagulation disturbances in children are not less severe than in adults with nephrotic syndrome. Combined scintigraphic pulmonary ventilation and perfusion studies were employed in 26 children to detect noninvasively events of pulmonary embolism, respectively their residual changes. The lung scintigraphic investigation demonstrated a pattern consistent with pulmonary embolism in 7 patients (27.9%), residual changes in 10 (38.5%) and normal findings in 9 (34.9%). The incidence of thromboembolic complications in children with severe nephrotic syndrome is as high as reported for adults. Pulmonary symptoms may well be due to pulmonary embolism.
Genetic mutations appear to be additional risk factors for the development of thrombosis in patients with ALL. In contrast, these mutations do not appear to be relevant risk factors for thrombosis in the small number of children with other malignant diseases reported here. This difference may be due to asparaginase and corticosteroids being used in ALL but not in solid tumour protocols.
The infusion of pasteurized, nanometre-filtered PCC is an effective, well-tolerated method of correcting prothrombin complex deficiency in patients with severe liver disease with haemorrhage, or before an urgent surgical or invasive diagnostic intervention.
Background. It has been suggested that thrombolysis in a feedback reaction may generate pro-coagulant activities.Methods and Results. Fifty-five patients were treated with urokinase-preactivated prourokinase (n =35) or tissue-type plasminogen activator (n =20) for acute myocardial infarction and underwent coronary angiography at 90 minutes and at 24-36 hours into thrombolysis, and fibrinogen (Ratnoff-Menzie), D-dimer (ELISA) and thrombin-antithrombin III complex levels (ELISA) were measured. Primary patency was achieved in 39 patients (70.9%), 13 of whom (33.3%) suffered early reocclusion. Nonsignificant decreases in fibrinogen levels were observed
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