, Volume 21, Issue 4, pp 555–561 | Cite as

Anatomical Retzius-space preservation is associated with lower incidence of postoperative inguinal hernia development after robot-assisted radical prostatectomy

  • K. D. Chang
  • A. Abdel Raheem
  • G. D. R. Santok
  • L. H. C. Kim
  • T. G. H. Lum
  • S. H. Lee
  • W. S. Ham
  • Y. D. Choi
  • K. H. RhaEmail author
Original Article



Postoperative inguinal hernia (IH) is a non-negligible sequelae with a wide array of rates after robot-assisted laparoscopic radical prostatectomy (RALP). Our aim was to evaluate the incidence and risk factors of postoperative IH development in men undergoing RALP.


A retrospective analysis of 839 patients “541 of conventional-RALP (C-RALP), and 298 of Retzius sparing-RALP (RS-RALP)” received treatment of prostate cancer between 2005 and 2016 and met with our inclusion criteria was performed. Primary endpoint was incidence of IH after RALP, while secondary endpoint was to assess risk factors of IH occurrence.


Overall incidence of postoperative IH was 6.3% (53 out of 839). Mean follow-up period and median time of IH development were 24.1 and 14.0 months, respectively. Among patients who developed IH, there was a higher incidence in C-RALP compared to RS-RALP, (79.2 vs 20.8%, respectively, P = 0.02). Multivariate analysis showed that BMI group (HR 0.471, P = 0.023) and C-RALP (HR 2.834, P = 0.002) were significant predictors of IH development. Kaplan–Meier curve showed that 3-year IH-disease progression free rate was significantly higher after RS-RALP compared to C-RALP (94.2 vs 71.6%, respectively, P < 0.001), likewise in obese versus non-obese patients (87.7 vs 76.6%, respectively, P < 0.003).


Our study showed that overall incidence of IH was 6.3% after RALP. Nevertheless, RS-RALP carries a lower incidence of IH after surgery, while C-RALP and low BMI are predictors of IH development.


Radical prostatectomy Robotic Retzius-sparing Conventional Inguinal hernia 


Compliance with ethical standards

Conflict of interest

Nothing to declare.

Ethical approval

All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and national research committee with the 1964 Helsinki declaration and its later amendments comparable ethical standards.

Informed consent

No informed consent.


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Copyright information

© Springer-Verlag France 2017

Authors and Affiliations

  • K. D. Chang
    • 1
  • A. Abdel Raheem
    • 1
    • 2
  • G. D. R. Santok
    • 1
  • L. H. C. Kim
    • 1
  • T. G. H. Lum
    • 1
  • S. H. Lee
    • 1
  • W. S. Ham
    • 1
  • Y. D. Choi
    • 1
  • K. H. Rha
    • 1
    Email author
  1. 1.Department of Urology, Severance Hospital, Urological Science InstituteYonsei University College of MedicineSeoulKorea
  2. 2.Department of UrologyTanta University Medical SchoolTantaEgypt

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