Incidence and risk factors of deep vein thrombosis among Thai patients--their implications on patients' management.
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Biomedical subjects
Publications and source records attributed to S Jootar.
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Angioimmunoblastic lymphadenopathy with dysproteinemia (AILD) is a disease of unknown etiology and pathogenesis. It has the features of hyperimmunity and immune deficiency, and its behavior resembles malignant lymphoma. We report a review of 16 patients with AILD seen at Ramathibodi Hospital from 1982 to 1986. Thirteen patients had fever and seven had pruritus and rashes. Lymphadenopathy was found in all 16 cases; generalized in 14 and localized in 2. Hepatomegaly was present in 14 patients while only 7 had splenomegaly. Laboratory findings included autoimmune hemolytic anemia, lymphocytosis and polyclonal hypergammaglobulinemia. Pulmonary involvement was seen in 5 cases, and bone marrow showed the characteristic features of the disease in 9 cases. Two patients went on to develop diffuse lymphocytic, poorly differentiated lymphoma. Fourteen patients were treated with prednisolone initially. Five responded with complete recovery, eight responded with partial recovery, and one died with extensive involvement of the disease. Six of the patients that recovered partially were later treated with cyclophosphamide, vincristine and prednisolone. One patient recovered completely and two partially. Three died from extensive involvement. Two patients with malignant lymphoma were treated by combination chemotherapy. One case went to complete remission while the other died from infection. One patient was lost to follow up before any treatment was started.
Neoplastic disease is quite rare in an XYY syndrome. We report the fifth known case, who suffered from acute nonlymphocytic leukemia (ANLL). Cytogenetic study of his bone marrow revealed a new chromosomal translocation (1;3)(q36;q21), which has only recently been described in patients with myelodysplastic syndrome.
Twenty four cases of pure red cell aplasia were reported. No underlying diseases were found in two cases. Of the 22 cases with secondary form, 10 were from infections, mostly gram negative organisms. Three cases had systemic lupus erythematosus, two had autoimmune hemolytic anemia. The following conditions were found in one each: thymoma, thyroid carcinoma, protein calorie malnutrition, rheumatoid arthritis, non-Hodgkin lymphoma and Sheehan's syndrome. Three patients died, two from uncontrolled infection, the other from uncontrolled SLE and subsequently systemic fungal infection. Only one of the 2 primary cases responded to immunosuppressive drugs. The majority of patients with underlying infections, PRCA resolved after the infections were treated. This is the first reported series of PRCA in Thailand.
Ferrokinetic and erythrokinetic studies were performed in 25 non-splenectomized patients with alpha or beta thalassaemia. Nine of these had HbH disease and six had HbE/beta thalassaemia or homozygous beta thalassaemia. In HbH disease, a mild anaemia was associated with severe peripheral haemolysis, increased splenic sequestration and only a moderate degree of ineffective erythropoiesis. By contrast, in the beta thalassaemia syndromes, a more marked anaemia was associated with prominent ineffective erythropoiesis and mild peripheral haemolysis. These findings indicate that the pathogenesis of anaemia in alpha and beta thalassaemia is different, haemolysis dominating in HbH disease and ineffective erythropoiesis in HbE/beta thalassaemia and homozygous beta thalassaemia.
A 61-year-old Thai man presented with a history of chronic diarrhoea of 1-2 years duration. Stool examination revealed a heavy parasitic infection. Several anthelminthics were given without benefit, despite disappearance of the intestinal parasites. Serum protein studies revealed abnormal alpha heavy chain. Two courses of cyclophosphamide, vincristine and prednisolone were followed by a brief remission in his symptoms. A 21 day course of tetracycline was then given, resulting in an improvement in his condition. He is still symptom free nine months after confirmation of the diagnosis, without any further treatment. Serum protein studies should be included in laboratory investigations of a patient with chronic diarrhoea.
Two cases of acute intravascular hemolysis complicating acute disseminated intravascular coagulation were presented, one after normal delivery and the other after group A beta hemolytic streptococcal septicemia complicating acute myelomonoblastic leukemia. Neither case received heparin therapy. The first one survived while the latter succumbed. Intravascular hemolysis may not be a bad prognostic sign in such a condition.