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Biomedical subjects

E Suárez García

Publications and source records attributed to E Suárez García.

16 recordsLinked to original sources

[Sarcoidosis following combined ribavirin and interferon therapy: a case report and review of the literature].

Treatment of active chronic viral hepatitis type C with interferon alpha has proved effective and therefore its use is being extended to a large number of patients. Common side effects include respiratory manifestations. One side effect attributable to the immunomodulatory effect of interferon is the possible triggering or exacerbation of systemic or cutaneous sarcoidosis. We report a new case and offer an exhaustive review of the literature. A 49-year-old man with type C chronic, active hepatitis developed new respiratory symptoms and pulmonary infiltrates with hilar and mediastinal adenopathy after 4 months of treatment with pegylated interferon and ribavirin. The transbronchial biopsy showed multiple sarcoid granulomas. When the patient was diagnosed, he had already taken the total dose of interferon and no specific treatment was started. His hepatitis did not respond to therapy and his viral load and transaminase levels remained high.

Antiviral Agents↗

[Prevalence and clinical significance of antiphospholipid antibodies in chronic hepatitis C].

BACKGROUND: To know the prevalence of antiphospholipid antibodies in chronic hepatitis C and their relationship with disease progression. METHODS: One hundred and twenty-eight patients with chronic hepatitis C and 93 healthy controls were enrolled up. We determined platelets, ALT, gamma GT, RNAHCV in serum and liver and non-organ specific antibodies, grade and stage in liver biopsy, risk factors, duration of disease and alcohol intake were also included. Portal hypertension and liver function parameters were studied. Antiphospholipid antibodies (APA): lupus anticoagulant (LA) and anticardiolipin antibodies (ACA) (IgG and IgM) were measured by EIA. Anti-beta 2 glycoprotein I antibodies were also detected by EIA in ACA positive patients. RESULTS: Thirty one out of 128 (25%; 95% CI: 17.8%-33.4%) showed positive antiphospholipid antibodies. Positive ACA-IgG was higher in patients than controls (22% vs 3.2%; p < 0.05), whereas, ACA-IgM was similar (5% vs 3.2%; p = NS), and LA was absent in both groups. ALT levels, viraemia, viral load in liver, platelets, or ANA titre were similar in patients with and without positive ACA-IgG. Risk factors, duration of disease or alcohol intake were not related yet. Patients with staging F1 showed positive ACA-IgG 4 of 44 (9%; 95% CI: 2.5%-21.7%), in staging F2 7 of 39 (18%; 95% CI: 7.5%-33.5%) and in staging F4 17 of 45 (38%; 95% CI: 23.8%-53.5%; p < 0.005). ACA-IgG was significantly related to portal hypertension, Child-Pugh stage and presence of cirrhosis complications. Anti-beta 2 glycoprotein I antibodies were detected in ten (43.5%; CI 95%: 23.2%-65.5%) out of 23 ACA positive patients. CONCLUSIONS: ACA-IgG seems to be associated with chronic hepatitis C, and could play a potential role in fibrosis progression and liver disease in these patients.

Antibodies, Antiphospholipid↗

Antiphospholipid antibodies are related to portal vein thrombosis in patients with liver cirrhosis.

The pathogenesis of portal vein thrombosis (PVT) in cirrhotic liver patients is not known. PVT has been related to liver dysfunction, neoplasm, hemodynamic factors, and hypercoagulability states. PVT has been reported in patients with antiphospholipid syndrome without liver cirrhosis. Our aim was to find the role of antiphospholipid antibodies (APAs) and coagulation inhibitors in PVT in patients with liver cirrhosis. We present a case-controlled study, matched by age, liver function, and etiology, to discover the role of APAs and anticoagulant protein activity in PVT in cirrhotic patients. We studied 30 cirrhotic patients: 6 of 10 (60%) patients with PVT were APA-positive, whereas only 2 of 20 (10%) in the cirrhotic control group were APA-positive (p < 0.005). Low serum levels of protein C, protein S antithrombin III, and plasminogen were found in cirrhotic patients; and, no differences were found between patients with and without PVT. Significantly lower protein S and antithrombin III levels were found in patients with Child-Pugh class C. Therefore, APAs were related to PVT in cirrhotic patients; but, a lower concentration of coagulation inhibitors was associated with liver dysfunction alone.

Antibodies, Antiphospholipid↗

[Anti-Sp100 and anti-Gp210 in the diagnosis of primary biliary cirrhosis in patients with autoimmune cholangitis].

We describe 2 women with features of autoimmune cholangitis. Serum biochemical studies showed cholestasis and increased immunoglobulin M with negative antimitochondrial antibodies. Markers of hepatitis B and C viruses were absent. Both had positive antinuclear antibodies. One had a speckled pattern (multiple nuclear dots) and the other a perinuclear pattern (pore nuclear). In the first case anti-Sp100 was positive by EIA and in the second anti-Gp210 was detected by immunoblot. Diagnosis of primary biliary cirrhosis was made and the patients were treated with UDCA. Current knowledge indicates that determination of anti-Sp100 and anti-Gp210 substantially improves diagnosis of primary biliary cirrhosis as these ANA are highly specific for this disease. These autoantibodies may lead to the classification of different groups of patient included in autoimmune cholangitis. All patients with autoimmune cholangitis should be tested for anti-Sp100 and anti-Gp210.

Antibodies, Antinuclear↗

[Peritoneal mesothelioma: the importance of ultrastructural study. A report of 2 cases and a review of the Spanish literature].

Two cases of peritoneal mesothelioma (PM), with ultrastructural study, of females who lived in a rural area without asbestos exposition history are described and the Spanish literature reviewed. We highlight the association with severe autoimmune hemolytic anemia, due to the presence of cold agglutinins, in one patient without relationship to drugs or concomitant diseases. We focus on the need for thorough and multiple biopsies through laparoscopy to avoid false negative. We believe that there are no totally specific morphological data on mesothelioma, which means that the initial study is based on optical microscopy performed with hematoxylin-eosin and PAS-diastase stain using the electronic microscopy to confirm the diagnosis.

Aged↗