Resumo

CANCHO GIL, Mª J. et al. A comparative study of the renal damage produced after the extracorporeal shock wave lithotripsy according to the lithiasis location. Actas Urol Esp [online]. 2005, vol.29, n.4, pp.373-377. ISSN 0210-4806.

Introduction: The Extracorporeal shock waves lithotripsy (ESWL) is fundamental in the treatment of lithiasis. However, there are evidences that it can produce renal damage. The objective of our study is to determine the degree of affectation of the glomerular and tubular function after LEOC, and the influence of the lithiasis location on the type of renal damage. Material and methods: A prospective longitudinal study was carried out in 14 patients with normal renal function subjected to ESWL. We determined the basal level, and the levels at the 24 hours, at the 4th and the 10th day post ESWL of: microalbuminuria (MA) (that values the glomerular function), and N-acetil glucosamide (NAG) and alanine aminopeptidase (AAP), (that value the tubular function). Results: The basal levels of of MA, NAG and AAP didn’t show significant differences in connection with the localization of the stones. A significant increase was observed of the three parameters only 24 hours post ESWL No significant differences were observed between the variation of the microalbuminuria levels, AAP and NAG and the treatment in relation to the localization of the stones. Conclusions: It exists a glomerular and tubular damage after ESWL. This damage is not related with the pelvic or calicial location of the stones. In patient with previous normal renal function, the renal damage recovers at the 4º day post ESWL.

Palavras-chave : Extracorporeal Shock Waves Lithotripsy; Renal lithiasis; Renal damage; Glomerular function; Tubular function.

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