ميزان موفقيت و عوارض سنگ شكني برون اندامي و عوامل مرتبط با آن در بيمارستان توحيد سنندج در سال 78-1373

Success Rate and Complications of Extracorporal Shock Wave Lithotripsy and Ifs Related Factors in Tohid Hospital of Sanandaj During 1994-1999

INTRODUCTION: Extracorporal shock wave lithotripsy (ESWL) has caused a great revolution in effective treatment of many patients with urinary stones. This study was aimed to determine success rate and complications of ESWL by Sonolith 3000 in Tohid hospital of Sanandaj during 1994-1999. RESULTS: Total number of 3595 lithotripsy performed in 2460 patients with urinary stone during the 5 years. Mean times of lithotripsy for every patient was 1.46. Times of lithotripsy was once, twice, thrice and four times in 64.9% , 24.3% , 10.6% and 0.2% of patients, respectively. Seventy point two percent of the patients were male and 29.8% of them were female. Mean age of the patients was 39.62 years (SD=12.85). Total disappearance rate of urinary stone following lithotripsy was 89.3%. In 56.5% of the patients the stone completely disappeared while in 32.8% of them small particles of stone remainded in urinary system that were spontaneously expeled. Failure rate of lithotripsy was 10.7%(262 patients). Success rate of lithotripsy for single pelvic stones with diameter of 20 mm or less was 95.4%. Complications included stone street (8.9%), skin complications (13.3%), urosepsis (18%) and resistant pain (1.1%). All of patients had transient post-lithotripsy hematuria that didnʹt require any management. One hundred of patients (4.06%) were admitted in hospital for post-lithotripsy complications. CONCLUSION: Regarding our study, ESWL is a safe and successful pocedure for treatment of urinary stones in more than 90% of the patients.