Revista Portuguesa de Órgão Oficial da Sociedade Portuguesa de Cirurgia Intra-operative cholangiography is not necessary in avoiding bile duct injury (ten years review) Colangiografia intraoperatória não é necessária para evitar lesões da via biliar (revi

RESUMO A discussão acerca da colangiografia peroperatória (CPO) de rotina durante a colecistectomia laparoscópica (CL) continua ainda em aberto. As lesões da via biliar principal continuam a ser a principal complicação deste procedimento. A questão é: como evitar a mais temida complicação da CL? Os autores relatam um estudo retrospectivo de 1111 CL executadas no seu departamento nos últimos dez anos. A CPO não foi feita na maior parte dos casos devido à realização pré-operatória de ecografias e colangioRMN. Obtiveram bons resultados técnicos apesar disso. Por isso, a sua experiência permite-lhes afirmar que aquele exame radiológico não é necessário durante a intervenção cirúrgica na maior parte dos doentes com cálculos biliares. Palavras chave: lesões da via biliar, colecistectomia laparoscópica, prevenção ABSTRACT The debate about routine intra-operative cholangiography (IOC) during laparoscopic cholecystectomy (LC) is still open. Bile duct injuries remain the main complication of this procedure. The question is: how to avoid the most feared complication of LC? The authors report a retrospective study of 1111 LC underwent in their department the last ten years. IOC wasn't done in most cases due to pre operative performances of ultrasound and bili-MRI. Their own technique has given them good results despite this. Their experience allows them to declare that this x-ray exam is not necessary during the procedure in most of patients presenting gallstone disease

An Efficient Hardware Implementation of Smith-Waterman Algorithm Based on the Incremental Approach

The paper presents optimized hardware structure applied to genome alignment search. The proposed methodology is based on dynamic programming. The authors show how starting from the original Smith-Waterman approach, the algorithm can be optimized and the evaluation process simplified and speeded-up. The main idea is based on the observations of growth trends in the adjacent cells of the systolic array, which leads to the incremental approach. Moreover various coding styles are discussed and the best technique allowing further reduction of resources is selected. The entire processing unit utilizes fully pipelined structure that is well balanced trade-off between performance and resource requirements. The proposed technique is implemented in modern FPGA structures and obtained results proved efficiency of the methodology comparing to other approaches in the field

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