Caracterización de la prevalencia y morbi-mortalidad de la enfermedad hepática grasa no alcohólica : Estudio prospectivo longitudinal de una cohorte de pacientes con colelitiasis
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2024
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23/10/2023
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Universidad Complutense de Madrid
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La enfermedad del hígado graso no alcohólico (EHGNA) es actualmente la enfermedad hepática crónica más frecuente en los países occidentales, y su incidencia está experimentando un alarmante incremento en todo el mundo, estimándose una prevalencia media global del 25% en la población general. La EHGNA incluye dos formas histopatológicamente bien diferenciadas y con pronósticos distintos: la esteatosis simple no alcohólica (ESNA) y la esteatohepatitis no alcohólica (EHNA). Si bien los algoritmos vigentes para el diagnóstico no invasivo de esteatosis y de fibrosis resultan de utilidad en los pacientes con EHGNA, la biopsia hepática sigue siendo el procedimiento de referencia para el diagnóstico definitivo y el único capaz de diferenciar ESNA de EHNA. Las comorbilidades asociadas a la EHGNA condicionan la supervivencia de estos pacientes, tanto por su implicación en la progresión de la hepatopatía como por su contribución a la aparición de enfermedades cardiovasculares y neoplásicas, contribuyendo a una mayor morbilidad y mortalidad. Numerosos estudios clínicos han sugerido que los pacientes con colelitiasis tienen una mayor probabilidad de desarrollar una EHGNA, sin embargo, la relación patogénica entre la colelitiasis y la EHGNA, así como los factores de riesgo asociados, no están bien definidos...
Nonalcoholic fatty liver disease (NAFLD) is the most common liver disease in the western world, and its incidence is increasing rapidly, with an estimated prevalence of 25% in the general population. NAFLD includes 2 different histological entities with different prognosis: simple steatosis (SS) and nonalcoholic steatohepatitis (NASH). Steatosis and fibrosis scores are useful tools in NAFLD diagnosis, but liver biopsy is currently the gold standard test for NAFLD diagnosis and staging, thus permitting to distinguish individuals with SS from those with NASH. NAFLD patient’s survival is conditioned by associated comorbidities, not only for liver disease progression but for its contribution in appearance of cardiovascular disease and malignancy, causing a higher morbidity and mortality. Clinical studies suggest that patients with gallstones have a higher risk for NAFLD, nevertheless, the pathogenic link between gallstones and NAFLD is uncertain, as well as risk factors are not well defined...
Nonalcoholic fatty liver disease (NAFLD) is the most common liver disease in the western world, and its incidence is increasing rapidly, with an estimated prevalence of 25% in the general population. NAFLD includes 2 different histological entities with different prognosis: simple steatosis (SS) and nonalcoholic steatohepatitis (NASH). Steatosis and fibrosis scores are useful tools in NAFLD diagnosis, but liver biopsy is currently the gold standard test for NAFLD diagnosis and staging, thus permitting to distinguish individuals with SS from those with NASH. NAFLD patient’s survival is conditioned by associated comorbidities, not only for liver disease progression but for its contribution in appearance of cardiovascular disease and malignancy, causing a higher morbidity and mortality. Clinical studies suggest that patients with gallstones have a higher risk for NAFLD, nevertheless, the pathogenic link between gallstones and NAFLD is uncertain, as well as risk factors are not well defined...
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Tesis inédita de la Universidad Complutense de Madrid, Facultad de Medicina, leída el 23-10-2023