Özet:

Objective: To analyze the factors that may be influential on the outcome and success of extracorporeal shock wave lithotripsy treatment. Material-Method: The data of 220 patients who referred to extracorporeal shock wave lithotripsy treatment units' of Konya Training and Research hospital and met the inclusion criteria were retrospectively analyzed. Patients with a single mid-pole renal stone with a longest dimension of 0.5-2.5 cm on the noncontrast abdominal computed tomography and without contraindication to extracorporeal shock wave lithotripsy treatment were included in the study. The efficacy of extracorporeal shock wave lithotripsy treatment success and outcome were evaluated with body mass index, stone size, stone density, skin to stone distance, age and gender Results: The average age and body mass index of the patients were 43,4 ± 12,6 and 27,7 ± 4,9 kg / m2. The average stone size and the stone density of the petients were 11.9±3.1 mm and 798.6±170.6 HU. The 30 (13.6%) patients, in whom extracorporeal shock wave lithotripsy treatment failed, underwent ureteroscopy (n:9) or percutaneous nephrolithotomy (n:21). Conclusion: There is a relationship between the failure of extracorporeal shock wave lithotripsy treatment and the presence of female sex, body mass index, obesity, skin to stone distance, stone size, and stone density > 1000 HU.

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