Biomedical subjects
Publications and source records attributed to G Colla.
A new case of Fletcher factor (prekallikrein) deficiency is described. The patient did not have any abnormal bleeding tendency, but showed defective intrinsic thromboplastin production and reduced fibrinolytic system activity; he had no factor VIII, IX, XI and XII deficiencies. His plasma did not contain any detectable prekallikrein levels.
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Diabetic patients have increased morbidity and mortality attributable to myocardial infarction, cerebrovascular disease and peripheral vascular disease, due to a high incidence of premature atherosclerosis. Abnormalities of hemostasis have been reported in many studies on diabetes over almost thirty years, but unfortunately the results have often appeared contradictory. The hemostatic alterations could lead to increased risk of vascular disease in diabetic patients. We have studied some coagulation factors (Fibrinogen, Factor II, Factor VII) and coagulation inhibitors (Protein C, Protein S), and plasminogen in fifty-four type 2 diabetic patients. The possible relationship between coagulation factors and coagulation inhibitors and parameters for glyco-metabolic control (glycosylated hemoglobin, fructosamine) and disturbed lipid metabolism (cholesterol, triglycerides) have ben analyzed. Our results show increase of fibrinogen, correlated with the metabolic control of the disease, positive correlation between plasminogen, factor II, protein S and hypertriglycerides, decreased levels of protein C correlated neither with metabolic control of disease neither with disturbed lipid metabolism.