Do IPP Implants Need to Be Accompanied by Extreme Adjunctive Procedures? Another Great Debate at the 27th Annual SMSNA Fall Scientific Meeting

Laurence Levine, MD

On Friday, October 9, at the 27th Annual SMSNA Fall Scientific Meeting, Drs. Martin Gross and Laurence Levine engaged in a debate surrounding the management of erectile dysfunction (ED) with Peyronie's disease (PD) using inflatable penile prostheses (IPP). Is less truly more, or is maximal therapy the best option?

Dr. Gross argued that less is more, citing the recent PUMP study, which found that implantation alone was often sufficient. Specifically, the study reported that grafting was needed in only about 2% of cases. He stated that the preferred choice is often the simplest approach, with modeling and the scratch technique used as needed when curvature is under 45 degrees. Manual modeling can often reduce the curvature enough for the implant to provide further correction. The scratch technique is typically used as an adjunct procedure to disrupt plaque. When curvature exceeds 45 degrees, the implant can still provide much of the correction, with plaque incision using the Brock technique when necessary. This approach may mitigate some of the risks associated with multiple adjunctive procedures, such as hematoma, sensation loss, and glans necrosis.

Dr. Levine argued for a more extensive approach to achieve maximum correction. He emphasized that this approach may help address patients' concerns about lost penile length. The question is whether surgeons can safely and effectively restore length to its pre-PD state. If the goal of IPP surgery in patients with PD and ED is to recover lost length and girth, correct curvature or deformity, and make the penis functionally straight and rigid, the challenge may lie in the unpredictable anatomy of the neurovascular bundle within Buck's fascia. Unfortunately, the risks of IPP surgery may limit the ideal result. Dr. Levine highlighted the tunica expansion procedure (TEP), which uses small incisions in the tunica albuginea to allow the penis to expand during prosthesis implantation. Using TEP, patients experienced an average improvement of 1.7 cm in stretched penile length, with relatively few complications reported. Dr. Levine concluded that TEP is a reasonable option for patients who experience significant distress from penile length or girth loss.

When treating PD and ED with penile implants, is a simpler approach sufficient, or should surgeons aim to restore as much penile length and function as possible?

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