Pyogenic liver abscess: Studies of therapy and analysis of risk factors

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Abstract
Experience with 46 patients diagnosed with liver abscesses over a 13‐year period was reviewed to ascertain the impact of percutaneous versus surgical drainage. In most of the cases the abscesses were liagnosed by sonography or computed tomography. The most common pathogenetic mechanism was ascending biliary tract infection. Of the 46 total patients, 27 were primarily treated surgically, whereas 19 underwent percutaneous drainage. In the surgical group five (18.5%) patients required reoperation. Percutaneous drainage failed in four patients (21.1%). Multivariate stepwise logistic regression analysis revealed that a high APACHE II score, low hemoglobin level, and high serum bilirubin level were significant predictors of a complicated clinical course. Death was related more closely to the overall condition of the patient, as expressed by a high APACHE II score, and the underlying disease (malignancy) than to the mode of therapy.

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