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The Australian laparoscopic radical prostatectomy learning curve.

Marcus Handmer1, Charles Chabert2, Ronald Cohen3,4

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Fellowship-trained Australian surgeons show acceptable perioperative outcomes in their first 100 laparoscopic radical prostatectomy (LRP) cases. Further experience in subsequent cases improved outcomes, demonstrating LRP

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Area of Science:

  • Urology
  • Surgical Oncology
  • Minimally Invasive Surgery

Background:

  • The learning curve for laparoscopic radical prostatectomy (LRP) is estimated up to 1000 cases internationally.
  • The learning curve for fellowship-trained Australian surgeons performing LRP is not well-defined.

Purpose of the Study:

  • To evaluate the learning curve and outcomes of fellowship-trained Australian surgeons performing LRP.
  • To compare early LRP outcomes with later LRP outcomes in Australian surgeons.

Main Methods:

  • Retrospective review of prospectively collected data from 2943 consecutive LRP cases by nine Australian surgeons.
  • Comparison of the first 100 cases (F100) against the second 100 cases (S100) for each surgeon.
  • Analysis of perioperative outcomes, including blood transfusion rates, blood loss, operating time, length of stay, and positive surgical margin (PSM) rates.

Main Results:

  • No significant difference in positive surgical margin (PSM) rates between the first 100 (18.4%) and second 100 (17.5%) cases.
  • Significant improvements in perioperative outcomes in the second 100 cases, including lower blood transfusion rates (0.8% vs 2.4%), reduced blood loss (378 vs 413 mL), shorter operating times (163 vs 193 min), and decreased length of stay (2.4 vs 2.7 days).
  • Patient demographics and D'Amico risk stratification were similar between the two groups.

Conclusions:

  • Laparoscopic radical prostatectomy (LRP) demonstrates acceptable perioperative outcomes even in the initial learning phase for fellowship-trained Australian surgeons.
  • Surgical experience leads to improved perioperative outcomes without compromising oncological control (PSM rates).
  • Mentorship and focused training can effectively shorten the LRP learning curve, supporting its continued use in Australian urological practice.