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Biomedical subjects

T Barbui

Publications and source records attributed to T Barbui.

At least 289 records · Page 16Linked to original sources
PubMed1976

Relationship between Hb and HbA2 concentrations in beta-thalassemia trait and effect of iron deficiency anaemia.

The relationship of HbA2 to total Hb has been measured in 204 cases of Beta-Thalassaemia (beta-th-t) where the total Hb varied from 3.6 to 16 g/100 ml. The variation of total Hb in the study population was due, as far as could be defined, only to beta-th-t and a superimposed iron deficiency anaemia (IDA). Superimposed IDA decreases HbA2 proportionately more than it does total Hb (P less than 0.001). A not previously described relationship between HbA2 and total Hb was demonstrated and probably conformed to a second degree parabola.

Anemia, Hypochromic↗
PubMed1975

Desferrioxamine B: reversible side effects of high daily doses.

16 patients with chronic liver or haematologic diseases were parenterally given various doses of Desferrioxamine B (DF). Each daily dose of DF (from 1 to 4 g) was given for a 7 days cycle. Liver, kidney and blood functions were investigated at the first and seventh day of each cycle, and 1 and 2 weeks after therapy was stopped. 1 g/day and 2 g/day had no side effects, with the exception of a fall of white blood cell (WBC) count in a single case on 2 g/day. 3 g/day (15 patients) were followed by rises of blood urea, creatinine, alkaline phosphatase and glutamyl-transpeptidase respectively in 4 cases, and by falls of WBC count in 3 cases. 4 g/day (9 patients) caused rises of creatinine, GPT and GOT (1 case) or LDH (1 case), while WBC count dropped in 4 cases. All changes were reversible within one-two weeks. These recorded changes were outside the range of pretreatment values as obtained over the previous four weeks.

Adolescent↗
PubMed1975

A new family with congenital factor XII deficiency.

The case of a patient with Hageman trait and his family study are reported. Commercial plasma thromboplastin time (PTT) reagents showed a good sensitivity for detecting the plasma defect. By prolonging the incubation time of the mixture containing PTT reagent and factor XII-deficient plasma the abnormal coagulation times were not corrected. Thus, a concomitant Fletcher factor deficiency could be excluded.

Blood Coagulation Disorders↗
PubMed1975

Dissociation between factor VIII (activity and antigen) and ristocetin-induced platelet aggregation in von Willebrand's disease.

Previously we showed that von Willebrand patients could be separated into 2 groups on the basis of ristocetin-induced platelet aggregation and factor VII (antigen and activity). Ristocetin-induced platelet aggregation and factor VIII exhibited a positive correlation. This paper deals with 5 out of 31 examined von Willebrand patients in which ristocetin-induced platelet aggregation was not in correlation either with factor VIII activity or antigen. The importance of these findings is discussed.

Antigens↗
PubMed1974

Electroimmunoassay of plasma subunits-a and -s in a case of congenital fibrin stabilizing factor deficiency.

Antigenic material related to the fibrin stabilizing factor (Factor XIII-FSF) has been found in all the examined patients with congenital deficiency, albeit in reduced amount. Recently, Bohn et al. (1973) showed that plasma Factor-XIII is composed by two subunits, A (or a) and S (or b); the former active protein, the latter probably FSF-vinding protein. Using specific anti-S and anti-A antisera the Authors found, in a case of congenital deficiency of factor XIII, absence of subunit A. Subunit S presented abnormal behaviour as demonstrated by means of quantitative immunoelectrophoresis according to Laurell.

Blood Coagulation Tests↗