[Acute rejection in renal implant for echography].
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Biomedical subjects
Publications and source records attributed to P Escovar Díaz.
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Laparoscopic techniques have been proposed for the management of different pathologies of the urinary system. This study reports our initial experience in laparoscopic surgery as an alternative treatment of ureteral calculus. Five patients with proximal ureteral calculus were submitted to laparoscopic ureterolithotomy. The technique and its possible indications are discussed.
The indiscriminate use of extracorporeal shock waves in the treatment of urinary calculi has changed the place of percutaneous surgery in the treatment of renal lithiasis. The authors analyse current indications of PCN highlighting stone size. In their view, calculi greater than 2 cm warrant treatment by PCN since only 15-20% of patients are completely stone-free following a single session of ESWL. Attention is focussed on the staghorn calculus and the percutaneous approach. They describe the difficulty encountered in the fragmentation of the cystine calculus owing to its hardness and discuss the difficulties that may arise when using the percutaneous approach in patients with coexisting renoureteral conditions, in the treatment of lithiasis in children and in the obese patients.