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Introduction: In Mexico, chronic liver illnesses are found between the firsts ten death causes; definite handling for hepatic terminal insufficiency is a transplant. Objective: Identifying by means of the ultrasound, the most common complications in hepatic post-transplanted patients as much in early post-surgical as well as late stage, focused to offer opportune handling. Material and methods: Hepatic transplants cases revision in the last ten years (1998-2008) accomplished at Instituto Nacional de Ciencias Médicas y Nutrición "Salvador Zubirán" (National Medical Sciences and Nutrition Institute) of the clinical and radiological files to know trans and post-surgical ultrasound findings as well as follow-up evaluations. Results: In all cases a hepatic ultrasound of the transplant was performed during the first 72 post-surgical hours. Findings reported as abnormal included hematomas, bilomas, echogenicity alterations, ascitis; flow absence at portal branches, under resistance index and flow of the hepatic artery. Long term follow-up evaluate complications progress, resolution and sequelae in parenchyma, as well as vascularity status. Conclusions: Ultrasound is the more accessible tool for graft evaluation, from the moment earlier as it is trans-surgical one, as well as the first hours, weeks, to late follow-up of months or years. For the above, emergency data that will require opportune attention must be kept in mind. [ABSTRACT FROM AUTHOR]

Introduction: Nephrogenic systemic fibrosis (NSF), is a disease characterized by its predominant cutaneous findings. In some patients there is a systemic involucrum; It was described for the first time in 1997. Methodology: This disease has been associated with a combination of factors including altered renal function, inflammatory processes and the exhibition to contrast agent based on Gadolinium. Gadolinium and nephrogenic systemic fibrosis: The mechanism through which contrast agents based on Gadolinium may trigger NFS is not completely well-known. However, the solid association between Gadolinium and NFS limits its use in patients with renal insufficiency. In this revision, the current situation of NFS, its association with the use of contrast agents containing Gadolinium and the recommendations proposed by different organizations, is shown. [ABSTRACT FROM AUTHOR]