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Acta gastroenterol. latinoam ; 37(3): 150-157, 2007. ilus, graf
Article in Spanish | LILACS | ID: lil-480719

ABSTRACT

La Leishmaniasis Visceral o Kalazar es una infección parasitaria causada por subespecies del género Leishmania donovani y transmitida por insectos flebotomíneos. Puede evolucionar con compromiso hepático caracterizado por citólisis severa, colestasis, hipertensión portal, hepatomegalia persistente y fibrosis hepática. Estos tipos de presentaciones dificultan el diagnóstico y agravan el pronostico. Se admite que la extensión y frecuencia de este compromiso hepático han sido poco evaluados. Objetivo: Sistematizar las alteraciones hepáticas de Kalazar en la infancia descritas en relatos de casos publicados. Metodología: revisión sistemática de la literatura utilizando las bases de datos LILACS, MEDLINE y EMBASE. Se incluyeron artículos en portugués, español, inglés y francés. Se siguieron los procedimientos de revisión sistemática recomendados por el NHS Centre for Reviews and Dissemination, University of Cork. La clasificación de los artículos (relatos de casos) se basó en la cantidad de información de cada relato de caso en relación a las variables previamente sistematizadas en este estudio. Resultados: 11 (un 55%) artículos fueron incluidos abarcando 28 relatos de casos. La albúmina sérica y el tiempo de protrombina mostraron una asociación con la evolución de la enfermedad: (p = 0,05). Conclusiones: el compromiso epático, incluso grave, puede ocurrir al inicio de la enfermedad. El Kalazar debe ser considerado en el diagnóstico diferencial de hepatitis asociadas a fiebre prolongada, así como en síndromes colestásicos en la infancia en áreas endémicas para la enfermedad.


Visceral Leisshimaniosis or Kalazar is a parasitic infection caused by Leishimania Donovani subspecies. It is transmitted by phlebotomineos and may lead to liver and spleen enlargements as well as immunological impairment. Sometimes it is described liver injury simulating acute or chronic viral hepatitis and even portal hypertension. The liver injury makes difficult the diffencial diagnosis of Kalazar and other liver diseases in endemic regions. Objective: To define and clarify the liver injury spectrum described in published cases reports. Methods: Systematic revision of published data on Kalazar and liver injury, using the following databank: LILACS, MEDLINE and EMBASE. Only paper published in French, English, Portuguese and Spanish were taken into consideration. The procedures for systematic review recommended by the NHS Centre for Reviews and Dissemination, University of Cork, were adopted. The paper quality classification was based on the number of reported variables previously defined in our study. Results: Only 11/ 28 (55%) publications were includedin our analysis because they filled the minimal required data. Acute and chronic liver disease were well documented in these articles. Serum albumin and prothombine time were associated with severity of liver disease (P< .05). Conclusion: “Liver involvement, even when it is severe, may occur at tha begining of the disease. Kalazar should be considered as a differential diagnosis of cholestasis, acute and chronic liver injury, as well as portal hypertension in children.


Subject(s)
Humans , Male , Female , Infant, Newborn , Infant , Child, Preschool , Child , Adolescent , Leishmaniasis, Visceral/complications , Liver Diseases, Parasitic/etiology , Biomarkers/blood , Leishmaniasis, Visceral/blood , Leishmaniasis, Visceral/diagnosis , Liver Diseases, Parasitic/blood , Liver Diseases, Parasitic/diagnosis , Liver/parasitology , Liver/pathology , Prothrombin/analysis , Serum Albumin/analysis , Severity of Illness Index
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