Factors Affecting Implant Length in Primary Inflatable Penile Prosthesis Placement

Jake A. Miller, Muhammed Hammad, Eliad Amini, Robert Andrianne, Arthur L. Burnett, Kelli Gross, Martin S. Gross, Georgios Hatzichristodoulou, James Hotaling, Tung Chin Hsieh, Lawrence C. Jenkins, James M. Jones, Aaron Lentz, Jason Levy, Vaibhav Modgil, Daniar Osmonov, Sung Hun Park, Ian Pearce, Paul Perito, Hossein Sadeghi-NejadMaxime Sempels, Jay Simhan, Alfredo Suarez-Sarmiento, Koenraad van Renterghem, J. Nicholas Warner, Faysal A. Yafi, Matthew Ziegelmann, David W. Barham

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

OBJECTIVE: To evaluate predictors of implant length for men undergoing primary IPP placement.

METHODS: A multicenter, retrospective cohort study was performed for men undergoing primary IPP placement at 16 high-volume surgical centers. Patient demographics, comorbidities, operative approach, and implanted cylinder and rear-tip extender length were recorded. Associations between potential preoperative and intraoperative predictors of total device length were tested using non-parametric correlation and Kruskal-Wallis tests, followed by multiple regression.

RESULTS: Of 3951 men undergoing primary IPP placement from July 2016 to July 2021, the median implant length was 20 cm (IQR: 19-22). Shorter implant length was associated with increasing age in years (β = -0.01, P = .009), Asian ethnicity (β = -2.34, P = .008), history of radical prostatectomy (β = -0.35, P = .001), and use of an infrapubic surgical approach (β = -1.02, P <.001). Black or African American ethnicity was associated with the implantation of longer devices (β = 0.35, P <.001). No significant associations were recorded with BMI, history of intracavernosal injections, diabetes mellitus, tobacco use, radiation therapy, Peyronie's disease, priapism, or cavernosal dilation technique.

CONCLUSION: The length of an implanted penile prosthesis was found to be associated with preoperative and intraoperative factors including history of radical prostatectomy and operative approach. The knowledge of these associations may assist in the preoperative counseling of patients receiving IPP and help create accurate postoperative expectations.

Original languageEnglish
Pages (from-to)240-244
Number of pages5
JournalUrology
Volume193
Early online dateJun 5 2024
DOIs
StatePublished - Nov 2024

Keywords

  • Aged
  • Erectile Dysfunction/surgery
  • Humans
  • Male
  • Middle Aged
  • Penile Implantation/methods
  • Penile Prosthesis
  • Prostatectomy/methods
  • Prosthesis Design
  • Retrospective Studies

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