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Based on our own experiences and a review of the recent literature, this article evaluates recent developments in predicting outcomes and failures of shockwave lithotripsy when treating patients with urinary tract stones. After a detailed MEDLINE research, the authors identified several variables that influence and predict extracorporeal shockwave lithotripsy (ESWL) success. These variables may be categorized as stone variables, patient variables and operator variables. Only multivariate analysis on a large number of homogenous patients may offer an objective evaluation of the factors conditioning ESWL outcome.

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In the period between 1994–96, 16 patients with suspected testicular torsion confirmed during operation, underwent color-Doppler sonography of the spermatic cord after local objective examination. The sonography showed a reduced or absent arterial flow in 15 patients and an increase in flow in 1 patient. In our study, color-Doppler sonography proved to have a sensitivity of 93.7%.