Seitz, Christian and Fritsche, Hans-Martin and Siebert, Thomas and Martini, Thomas and Wieland, Wolf Ferdinand and Pycha, Armin and Burger, Maximilian (2009) Novel Electromagnetic Lithotriptor for Upper Tract Stones With and Without a Ureteral Stent. JOURNAL OF UROLOGY, 182 (4). pp. 1424-1429. ISSN 0022-5347,
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Purpose: We compared the treatment efficacy and safety of the novel Lithoskop (R) electromagnetic extracorporeal shock wave lithotriptor for upper urinary tract stones with and without prior ureteral stent placement. Materials and Methods: A total of 665 consecutive patients harboring single renal or ureteral stones underwent shock wave lithotripsy between August 2006 and July 2008. In 75 and 46 patients with renal and ureteral stones, respectively, stents were placed before the first shock wave lithotripsy session. Treatment outcome was assessed in relation to stent placement. All data were derived from a prospectively maintained database. Results: The mean size of nonstented vs stented renal and ureteral stones was 8.6 vs 12.5 mm (p<0.0001) and 7.1 vs 7.3 mm. (p = 0.6), respectively. The stone-free rate in nonstented vs; stented renal and ureteral stone cases was 76.3% vs 77.3% and 91.4% vs 93.5%, respectively (each p>0.99). The total energy applied per stone was 110 +/- 83 vs 150 +/- 89 J (p<0.0001) and 183 +/- 131 vs 209 +/- 125 J (p = 0.1), respectively. Auxiliary measures were required after shock wave lithotripsy for renal and ureteral stones in 5.4% and 10.8% of nonstented, and in 1.3% and 4.3% of stented cases, respectively. No complications were detected in stented renal and ureteral stone cases compared to 2.9% and 6.9% in nonstented. cases, respectively. Conclusions: A high success rate and a low complication rate were achieved in renal and ureteral stone cases with and without prior ureteral stent placement. Total energy needed to achieve a stone-free state did not differ between stented and nonstented ureteral cases, suggesting the absence of a significant influence of the stent. Overall stents decreased complications necessitating hospitalization and auxiliary invasive measures.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | SHOCK-WAVE LITHOTRIPSY; MATCHED-PAIR ANALYSIS; RANDOMIZED-TRIAL; COLLECTING SYSTEM; CALCULI; EXPERIENCE; URETEROSCOPY; MANAGEMENT; EFFICACY; MACHINE; ureter; kidney; urolithiasis; lithotripsy; stents |
| Subjects: | 600 Technology > 610 Medical sciences Medicine |
| Divisions: | Medicine > Lehrstuhl für Frauenheilkunde und Geburtshilfe (Schwerpunkt Frauenheilkunde) Medicine > Lehrstuhl für Urologie |
| Depositing User: | Dr. Gernot Deinzer |
| Date Deposited: | 04 Sep 2020 07:04 |
| Last Modified: | 04 Sep 2020 07:04 |
| URI: | https://pred.uni-regensburg.de/id/eprint/28360 |
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