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Biomedical subjects

D Barcat

Publications and source records attributed to D Barcat.

13 recordsLinked to original sources
PubMed1998

[Familial autoimmune hepatitis and C4 deficiency].

INTRODUCTION: Familial auto-immune hepatitis is unusual. We report a case in which hepatitis was associated with a deficiency in the C4 component of the complement. EXEGESIS: Type 1 auto-immune hepatitis A was diagnosed in a 38-year-old woman presenting with systemic lupus erythematosus. Her daughter had to undergo a splenectomy for immunologic thrombocytopenic purpura when she was 9 years old. When she turned 13, she further developed type 1 autoimmune hepatitis. During follow-up (4 and 8 years, respectively), both patients had a mild deficiency in C4. CONCLUSION: C4 deficiency is not only frequently observed in relatives of patients with auto-immune hepatitis, but also in familial systemic lupus. This abnormality may have had a crucial pathogenic role in these two patients.

Adolescent↗
PubMed1998

[Deep venous thrombosis in an adult with varicella].

INTRODUCTION: Some viral infections are associated with deep venous thrombosis. We report a case of deep venous thrombosis in an adult with varicella. He had neither known predisposing factors for thrombosis nor thrombophilia. EXEGESIS: Transient significant level of antiphospholipid antibodies and lupus circulating anticoagulant were observed. There was no evidence of thrombophilia. Deep venous thrombosis has been mostly associated with varicella in children. A transient protein S deficiency was present in almost all cases, though it was sometimes related to an anti-protein S antibody. This association is exceptional in adults. Some viruses such as herpesvirus and HIV are responsible for endothelium dysfunction, but this is still unclear in the case of varicella-zoster virus. CONCLUSION: In our observation, endothelium activation or antiphospholipid antibodies might be responsible for thrombosis.

Adult↗
PubMed1998

[Thrombosis of the inferior vena caval and right atrium in amoebic abscess of the liver].

Amoebic abscess of the liver is sometimes complicated by deep venous thrombosis but extension to the right atrium is rarely observed. The authors report the case of inferior vena caval thrombosis extending to the right atrium in a case of amoebic hepatic abscess. The patient was treated initially by antibiotherapy with metronidazole associated with intravenous anticoagulation. Rapid extension of the thrombus despite this treatment led to the initiation of thrombolysis. There were no embolic complications and the outcome was good. Apart from the rarity of this complication, this case poses the problem of the management of these patients. No previous reports of the use of thrombolysis were found in the medical literature. In the light of previous publications and the present case, the authors suggest investigation by CT scanning, echocardiography and venous Doppler ultrasonography in all cases of hepatic amoebic abscess.

Adult↗