[The postphlebitic syndrome. Criteria of surgical treatment].
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Biomedical subjects
Publications and source records attributed to F Ferrara.
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Extensive iliacofemoral obstruction has always posed a difficult therapeutical problem for the surgeon. Personal experience is cited in support of employment of the deep femoral artery as a natural by-pass, together with its anastomoses. The indications for this form of management are discussed, along with the techniques required. Some personal cases are described.
Phlebology has made considerable efforts to free itself from empiricism in recent years. Careful scientific methods have enabled previously unhoped-for results to be obtained in very widespread and debilitating diseases. New and in some cases revolutionary concepts are described, whose application presupposes the existence of well-trained teams. Personal results are also presented.
The antibacterial activity of 1,1,4,4-tetraphenyl-1,4-diphosphonia-2,5-diphenylcyclohexadi-2,5-ene dichloride and two of its derivatives were screened for activity using the disk method. All derivatives exhibited antibacterial activity against gram-positive organisms tested, but little inhibition of gram-negative species was noted.
Morphological, cytochemical, immunological and clinical features of 19 adult patients with T cell acute lymphoblastic leukemia (T-ALL) were investigated at the time of diagnosis and were compared with those of 34 adult patients affected by B cell acute lymphoblastic leukemia (B-ALL). Immunophenotypic studies employing a wide panel of monoclonal antibodies (mAbs) revealed a heterogeneous pattern of antigen expression in the five T-ALL groups that were identified on the basis of blast T cell differentiation levels. PAS (periodic acid Schiff) negativity and focal AP (acid phosphatase) positivity, as well as white blood cell count and serum lactic dehydrogenase levels, were significantly related to T-ALL when compared with B-ALL. On the contrary, no statistically significant difference was demonstrated in the clinical outcome.
The effect of ticlopidine was compared with flunarizine in patients with iliac-femoral and/or femoral-popliteal arteriosclerotic arteriopathy accompanied by lesions of the cervical arteries of no haemodynamic significance. In the lower limbs, plethysmography (strain gauge measurements) and Döppler ultrasonography integrated by spectral analysis of the cervical arteries showed qualitative and quantitative improvements of the regional haematic flow. Side-effects were negligible which suggests that ticlopidine is useful in the treatment of multiple arteriosclerotic arteriopathy.
The clinical efficacies of 50 mg/kg.day miocamycin and 60 mg/kg.day amoxycillin were studied in 23 patients aged 3-11.5 years with presumed bacterial infection of the lower respiratory tract (bronchopneumonia and acute bronchitis). During the therapy, which continued for 10 days, non-specific immune function, represented by natural killer cell activity, was monitored by measurement of the rate of lysis induced on target K-562 51Cr-labelled tumour cells. The results confirmed the therapeutical efficacy of miocamycin and amoxycillin in the oral therapy of bronchopneumonia and acute bronchitis in paediatric patients. The natural killer cell activity of patients treated with miocamycin was increased on days 7 and 10 of therapy compared with baseline. This finding did not occur in patients treated with amoxycillin.
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A case with coexisting chronic lymphocytic leukemia (CLL) and chronic myelomonocytic leukemia (CMML) is described. A 74-year-old man with a typical B-CLL also showed sustained peripheral blood and bone marrow monocytosis. Typical myelodysplastic changes and monosomy 7 were also found. Cytographic and immunophenotypic analysis confirmed the presence of two distinct cell populations, i.e., lymphoid and monocytoid. Both malignancies presented an extraordinarily benign prognosis. It remains uncertain whether monocytosis was either the expression of a distinct myelomonocytic clone or the progeny of a B/monocytic bipotential precursor able to feed both leukemic phenotypes.
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