Resumo

PASTOR NAVARRO, Héctor et al. Renal hematomas after extracorporeal shock-wave lithotripsy: ESWL. Actas Urol Esp [online]. 2009, vol.33, n.3, pp.296-303. ISSN 0210-4806.

Introduction: The use of fragmentation due to shock- waves as a treatment of urinary stone was one of the most important therapeutics findings in the history of urology. It´s the first election treatment for most of the calculus at renal and urethral location due to the fact that it is a low invasive treatment and it has a few number of complications, but this method also has a few negative side effects, it can caused a more or less important traumatic lesion at the organs which crosses the shock- waves, including the kidney where it can caused a small contusion or renal hematoma with different resolution and treatment. Material and method: We reviewed 4815 extracorporeal shock-wave lithotripsy that we performed in our department in which we found six cases with subcapsular and perirrenal hematoma which we followed up and treated. Results: After the urological complications (pain, obstruction and infection) the renal and perirrenal hematic collections are the most frequent adverse effects of shock- waves used in lithotripsy, these are related to the power of energy used and patient age. Conclusions: Between the years 1992-2007 we performed 4.815 extracorporeal shock-wave lithotripsy finding seven cases of severe hematoma, less then 1%.Treatment of these complications is usually not aggressive though sometimes it is necessary to perform surgical drainage and even nephrectomy.

Palavras-chave : ESWL; Renal hematoma; Subcapsular hematoma.

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