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The cumulative incidence and risk factors of postoperative inguinal hernia in patients undergoing radical prostatectomy

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Abstract

Background

The aim of this study is to investigate the cumulative incidence and risk factors of postoperative inguinal hernia (PIH) in patients undergoing radical prostatectomy, i.e., laparoscopic prostatectomy (LRP) and robot-assisted laparoscopic prostatectomy (RARP).

Methods

This study included 1124 patients who had undergone radical prostatectomy or transurethral resection of bladder tumor from 2011−2016. We compared the cumulative incidence of PIH in the radical prostatectomy groups (460; LRP 341, RARP 119) and the control group (664; transurethral resection of bladder tumor), and we then analyzed the risk factors (age, operative methods, previous abdominal operative history, thickness and width of external oblique muscle and rectus muscle, thickness of abdominal subcutaneous fat layer at Hesselbach’s triangle level, body mass index, prostate-specific antigen, operative time, specimen weight, Gleason score, and pathology T-stage) of PIH in the radical prostatectomy groups.

Results

The median follow-up period in this study was 39.6 months. In Kaplan–Meier curve analysis, the cumulative incidence of PIH was 5.3, 4.2, and 0.5% for the LRP, RARP, and control groups, respectively (p < 0.001). Multiple logistic regressions showed that thickness of external oblique muscle and width of rectus muscle were significant risk factors (p < 0.001 and p = 0.027).

Conclusions

PIH is considered to be one of the complications of LRP and RARP. Moreover, we suggest that if the thickness of the muscle is <7.3 mm, thoughtful surgical manipulation is needed for radical prostatectomy, and care should be taken to determine whether hernia occurs during follow-up.

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Author information

Authors and Affiliations

  1. Department of Urology, Pusan National University Hospital, Pusan National University School of Medicine, 179, Gudeok-ro, Seo-gu, Busan, 602-739, South Korea

    Ja Yoon Ku & Hong Koo Ha

  2. Biomedical Research Institute, Pusan National University Hospital, Busan, South Korea

    Ja Yoon Ku & Hong Koo Ha

  3. Department of Urology, Busan Paik Hospital, College of Medicine, Inje University School of Medicine, Busan, South Korea

    Chan Ho Lee

  4. Department of Pathology, Pusan National University Hospital, Pusan National University School of Medicine, Busan, South Korea

    Won Young Park

  5. Department of Radiology, Pusan National University Hospital, Pusan National University School of Medicine, Busan, South Korea

    Nam Kyung Lee

  6. Division of Colorectal Surgery, Pusan National University Hospital, Pusan National University School of Medicine, Busan, South Korea

    Seung Hyun Baek

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  1. Ja Yoon Ku
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  2. Chan Ho Lee
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  3. Won Young Park
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Correspondence to Hong Koo Ha.

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Ku, J.Y., Lee, C.H., Park, W.Y. et al. The cumulative incidence and risk factors of postoperative inguinal hernia in patients undergoing radical prostatectomy. Int J Clin Oncol 23, 742–748 (2018). https://doi.org/10.1007/s10147-018-1244-0

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  • DOI: https://doi.org/10.1007/s10147-018-1244-0

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