Estudo da associação entre fatores socioambientais e prevalência de parasitose intestinal em área periférica da cidade de Manaus (AM, Brasil)Study of the association between socio-environmental factors and the prevalence of intestinal parasitosis in the suburbs of the city of Manaus in the state of Amazonas, Brazil
Background: 50% to 85% of the patients infected by hepatitis C virus will develop a chronic infection, 20% of them will suffer from cirrhosis and 1% to 4% will develop hepatocellular carcinoma. Morfologic and hemodynamic changes which occur in the liver and in the portal system can be evaluated by Doppler ultrasonography at an early stage and in a non-invasive way.The main purpose of this paper was to study alterations detected by ultrasonography examinations in hepatitis C patients assisted at Fundação de Medicina Tropical do Amazonas.Methods: In an 8-month period, 50 patients anti-HCV positive whose ages ranged from 18 to 69 were submitted to Doppler ultrasonography examinations.Results: Most of the patients were males (74%) at an average age of 47,1. Morfologic alterations were detected, such as increase of the volume of the liver (12%) mainly in the left liver lobe, increase of liver ecogenicity (24%), esplenomegaly (14%) and increase of ecogenicity and gallbladder wall thicknen (4%).Conclusion: Hemodynamic alterations were noticed, mostly a reduction on the portal vein velocity (26%), alterations on the congestion index (12%), on the vascular hepatic index (16%) and impedance of hepatic and splanchinic arterial index.Background: To investigate acute HCV infection from the very first days of the infection among blood donors, injecting drug users (IDUs), health care workers and persons who had first life time sexual intercourse with the chronic HCV infected persons in orders to asses clinical laboratory variants of infection, viral replication kinetic, disease outcome.Methods: Study was performed among ELISA negative persons in four groups: 7500 blood donors, 3200 IDUs, 70 exposed health care workers and 45 persons who had first life time sexual intercourse with the chronic HCV infected
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