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Dr. Gustavo Minuzzi Dr. Sandro Varea

Extracorporeal Shockwave Lithotripsy. Dr. Gustavo Minuzzi Dr. Sandro Varea Sanatorio Allende Cerro , Cordoba, Argentina. Extracorporeal Shockwave Lithotripsy model Duet Magna. Duet Magna Equipment. 2 Reflectors at 76 degrees Double Shockwave

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Dr. Gustavo Minuzzi Dr. Sandro Varea

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  1. Extracorporeal Shockwave Lithotripsy Dr. Gustavo Minuzzi Dr. Sandro Varea Sanatorio Allende Cerro , Cordoba, Argentina

  2. Extracorporeal Shockwave Lithotripsy model Duet Magna

  3. Duet Magna Equipment • 2 Reflectors at 76 degrees • Double Shockwave • Fluoroscopic and Ultrasonographic Localization • In most cases 2 reflectors are used, except some cases involving middle and lower ureter

  4. Prospective Study December 2010 to February 2012 123 patients with urolithiasis (renal and ureteral) 48% were located in the kidney and 52% in the ureter

  5. Distribution According to Stone Size 5-8 mm 9- 12 mm > 12mm Renal 29 11 18 Ureteral 24 27 13 The average size of the treated calculi was 10 mm (min 4 - max 20)

  6. Analgesia / Sedation Used • Analgesia • 115 patients Diclofenac 75 mg. • 4 patients tramadol. • Sedation • 4 patients with propofol.

  7. Shockwave Details • Kidney (average): # Shocks : 3956Frequency: 84 / minuteTreatment time = 47 min. • Ureter (average): # Shocks : 3754Frequency: 84 / minuteTreatment time = 45 min.

  8. Results for Renal Stone Treatments

  9. Results for Ureteral Stone Treatments

  10. Average Treatment Time General Average: 1.65

  11. Subjective Pain Sensation • An analog pain scale from 1 to 10 was used • 113 patients reported pain sensation between 2 and 5 • 10 patients reported pain sensation between 6 and 7.

  12. Complications / Side-effects Complications: We had no serious complications such as perirenal Hematoma or sepsis Side-effects: Mild hematuria (less than 24 hours without the need of admission) : 41.8 % Renal colic : 8.9 % Stein strasse : 3.2 %

  13. Conclusion • We have tested the feasibility to perform renal and ureteral calculi treatment with Dual Electromagnetic Shock Wave Technology using only oral analgesia. In our experience it yields satisfactory results, comparable to other lithotripsy systems.

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