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Liver abscess of hydatid origin as a risk factor for postoperative complications in hydatidosis Background: Cyst infection and subsequent abscess formation is considered a complication of hepatic echinococcosis (HE). Aim: To determine whether liver abscess of hydatid origin (LAHO) is a risk factor for the development of postoperative complications (POC) in patients operated by HE. Material and Methods: Prospective cohort study. Patients consecutively operated by HE between 2000 and 2007 were studied. LAHO was considered as exposure and POC as outcome. Results: Fifty two patients with LAHO, aged 50 ± 21 years (52% females) and 126 without LAHO, aged 48 ± 20 years (56% females) were studied. Patients with LAHO had a higher frequency of coexistent cyst lesions and a lower frequency of biliary communications. The frequency of complications was 28.9 and 11.1% among patients with and without LAHO, respectively (p < 0.01, crude risk ratio of 2.6, 95% confidence intervals 1.4-5.0). Logistic regression showed a significant interaction of alkaline phosphatases with risk calculation. The risk ratio, adjusting by this variable, changed to 2.45 (95% confidence intervals 1.3-5.0). Conclusions: LAHO is a risk factor for the development of POC in patients operated by HE.

revista chilena de cirugía

¿Es el absceso hepático de origen h¡datídico un factor de riesgo para el desarrollo de complicaciones postoperatorias en pacientes intervenidos por hidatidosis hepática?