Infection of hernia sac of complicated abdominal herniasBackground: When a complicated hernia is operated, there may be a higher risk of infection when a mesh is placed in a place potentially colonized by intestinal bacteria translocated from the gut. Aim: To perform a microbiological study of the hernia sac of patients subjected to emergency surgery due to complicated hernias. Material and Methods: Prospective study of patients operated for complicated abdominal hernias. Prior to the repair, a culture was obtained from the exposed sac. A portion of this sac was excised and cultured also. Results: Forty one patients aged 46 to 88 years (30 females) were studied. Only one sac tissue sample culture was positive. In six patients, the sac surface cultures disclosed coagulase negative Staphiloccocus. These patients did not receive antimicrobial therapy and although a mesh was placed, no complication was recorded. It is possible that these positive cultures were due to contamination of samples. Conclusions: From a microbiological point of view it is safe to place a mesh during the repair of complicated hernias

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Liver subcapsular hematoma caused by Fasciola hepatica. Report of one caseWe report a 60 years old female admitted for pain in the right upper quadrant of the abdomen, vomiting and fever. Initial laboratory showed leukocytosis with 56% of eosinophils. An abdominal CAT scan showed a subcapsular fluid collection in the liver. The patient was operated and the presence of a subcapsular hematoma was confirmed. Blood serological tests were positive for Fasciola hepatica. The patient was treated with tricabendazole and after one year of follow up, is in good conditions. Key words: Fasciola hepatica, subcapsular hematoma, liver. ResumenPresentamos el caso de una paciente de sexo femenino de 60 años de edad, ingresada en nuestro centro hospitalario por cuadro agudo de dolor abdominal en hipocondrio derecho asociado a vómitos y fiebre. Destaca la presencia de leucocitosis con eosinofilia de 56%. La tomografía computarizada abdominal muestra una colección subcapsular hepática. Durante su evolución presenta abdomen agudo, realizándose una laparoscopía exploratoria que confirma un hematoma subcapsular con presencia de hemoperitoneo de escasa cuantía. La serología confirma infección por fasciola hepática. Se realizó su tratamiento con triclabendazol en monodosis. Además, realizamos una revisión de la literatura nacional e internacional sobre el tema, sus manifestaciones clínicas, métodos diagnósticos y tratamiento.Palabras clave: Fasciolasis, hematoma subcapsular hepático espontáneo, eosinofilia.

Anaphylactic reaction secondary to a ruptured liver hydatid cyst. Case reportWe report a four years old girl consulting in the emergency room for severe abdominal pain and vomiting secondary to a blunt abdominal trauma during a bicycling accident. A chest and abdomen CAT scan showed ruptured hydatid cysts in the lung and liver and free intraperitoneal fl uid. During evolution, the patient developed respiratory distress, bronchial obstruction, a papular exanthema and edema. Due to lack of response to steroids, she was operated excising the ruptured hepatic cyst and performing a peritoneal lavage. The patient had a good postoperative evolution. In a second surgical procedure, the lung cyst was excised. The patient is currently receiving albendazole and is asymptomatic after nine months of follow up.Key words: Hydatidosis, cyst, anaphylaxis, liver. ResumenLa hidatidosis es una enfermedad parasitaria, zoonótica y endémica de gran importancia en nuestro país. El quiste hidatídico no complicado suele ser asintomático y es más frecuente encontrarlo en población adulta, siendo infrecuente su diagnóstico en la población pediátrica. Presentamos el caso de una paciente de 4 años de edad derivada al Servicio de Urgencia del Hospital de Chillán por cuadro de abdomen agudo posterior a trauma abdominal con manubrio de bicicleta, cuyo estudio tomográfi co reveló la presencia de quiste hidatídico hepático y pulmonar rotos, que evoluciona con reacción anafi láctica secundaria.Palabras clave: Abdomen agudo, hidatidosis, reacción anafi láctica.