Biomedical subjects
Publications and source records attributed to J P de Jaureguiberry.
Abdominal pain is uncommon in patient with Epstein-Barr infection and is usually attributed to an enlargement of the liver or spleen. We report on an 8-year-old girl with a pseudoperitonitis due to a mesenteric lymphadenitis associated with Epstein-Barr infection. Outcome was favourable without surgery. We review the different causes of abdominal pain occurring during Epstein-Barr infection.
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The occurrence of a left atrial thrombus without a haemodynamic predisposing factor (arrhythmia, mitral valvulopathy, severe left ventricular dysfunction) is a rare event. We report a case during the progression of refractory myeloma, four months after stopping treatment with thalidomide. The promoting haemodynamic factors for left atrial thrombosis in sinus rhythm, described in the literature, had been excluded. In our case the potential role of thalidomide is debatable, in the light of recent publications about venous and arterial thromboses observed with this treatment.
The acquired immunosuppressed states are increasingly numerous. Pneumopathies are a frequent, serious complication and etiologic diagnosis is often difficult. The nature of the micro-organism in question is a function of the immunizing type of deficiency. In neutropenias, the infections are primarily bacterial, their potential gravity being correlated with the depth of the deficiency into polynuclear, or fungic, especially in prolonged neutropenias. The aspleened states are responsible for a deficit of the macrophage system and contribute to the infections with encapsulated germs (pneumococci, klebsiellas...). The organic grafts imply an attack of cell-mediated immunity, in the particular case of the auxiliary T lymphocytes (CD4)), with a special predisposition for viral and fungic infections. During VIH infection, the immunizing deficit of CD4 lymphocytes worsens with time. At the early stage, the infections are especially bacterial. At the more advanced stages, the pulmonary pneumocystosis and tuberculosis dominate. At the late stage, finally, deep immunosuppression allows emerging of the atypical mycobacteries. In the deficiencies of humoral immunity (congenital hypogammaglobulinemias, lymphoid hemopathies B), the germs to be mentioned are the pneumococcus, Haemophilus influenzae, the salmonellas and the legionellas. Immunosuppressed pneumopathies are characterized by radio-clinical pictures of very variable gravity, ranging from focused acute pneumopathy to bilateral diffuse pneumopathy with acute respiratory distress syndrome, with phases of atypical tables with respiratory symptomatology larval or absent. The highlighting of the micro-organisms in question requires urgent complementary investigations: hemocultures, bronchiolo-alveolar washing. In certain cases, it will be possible to resort to the transtracheal puncture or transthoracic puncture guided by tomodensitometry, and if necessary to pulmonary biopsy under videothoracoscopy. Emergency of the anti-infectious treatment imposes, in general, a presumptive treatment directed according to the immunizing deficiency in question and etiologic suspicion. It will be associated, if necessary, with urgent measurements of respiratory intensive care.
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INTRODUCTION: Cytomegalovirus neurological complications are frequent in immunocompromised patients specially in HIV positive patient. In immunocompetent patient these complications are infrequent. EXEGESIS: We describe a case of cytomegalovirus myeloradiculitis during pregnancy in a 25-year-old woman, HIV negative. The evolution was favorable with foscarnet therapy. CONCLUSION: A spinal complication during cytomegalovirus infection in immunocompetent patient should lead to a therapy with a specific antiviral to reduce neurologic involvement.
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The authors report a case of Listeria monocytogenes septicemia in a patient with advanced CLL after a single course of fludarabine, without any other immunosuppressive therapy e.g. corticosteroids. The immunosuppressive action of fludarabine in patients who are already severely immunosuppressed must be considered from a diagnostic and therapeutic point of view. Listeriosis and other opportunistic infections, like pneumocystis carinii pneumonia, have been reported during and after treatment with purine analogues. Prophylaxis with cotrimoxazole must therefore be discussed in patients with CLL treated with fludarabine.
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