Recommended first line treatments for giardiasis include the nitroimidazoles and, recently, nitazoxanide. For refractory cases, a combination of two or more drugs may be a viable approach. A review of 10 patients with giardiasis refractory to nitroimidazoles with response to a short course (< 2 weeks), combined treatment is presented.

ResumenLa colecistitis calculosa aguda es la causa más importante de colecistectomías en el mundo. En esta revisión de tema se resume la fisiopatología del proceso inflamatorio de la vesícula biliar secundaria a la obstrucción de la vía biliar, así como sus manifestaciones clínicas, estudios diagnósticos y su manejo médico-quirúrgico.Palabras clave: enfermedades de la vesícula biliar, colecistitis aguda, colecistectomía. Title Acute calculous cholecystitis AbstractAcute calculous cholecystitis is the most important cause of cholecystectomies worldwide. We review the physiopathology of the inflammatory process in this organ secondary to biliary tract obstruction, as well as its clinical manifestations, workup, and the treatment it requires.

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