Allograft materials in phalloplasty: a comparative analysis

Area of Science:

• Urology
• Plastic Surgery
• Regenerative Medicine

Background:

• Allograft use is increasing in reconstructive surgery, particularly for penis girth augmentation (phalloplasty).
• Different allograft manufacturers employ distinct preparation methods, leading to varied material properties.
• Limited comparative data exists on the performance of various allografts in phalloplasty procedures.

Purpose of the Study:

• To compare the clinical performance of three different allograft materials used for penis girth enhancement.
• To evaluate infection rates, wound exposure, and graft loss associated with AlloDerm, Belladerm, and Repriza.
• To provide data-driven insights for surgeons selecting allografts in phalloplasty.

Main Methods:

• A retrospective review of 47 patients undergoing circumferential allograft penis girth enhancement.
• Graft materials included AlloDerm (n=9), Belladerm (n=20), and Repriza (n=21).
• Data collected included material type, infection, wound exposure, and graft loss.

Main Results:

• Overall infection (graft exposure) occurred in 42% of patients (20/47).
• Graft exposure or loss occurred in 3/9 AlloDerm, 9/20 Belladerm, and 8/21 Repriza patients.
• No statistically significant differences were found among the three allograft types regarding infection or graft loss.

Conclusions:

• Despite differing preparation methods, AlloDerm, Belladerm, and Repriza demonstrated similar infection and graft loss rates in phalloplasty.
• The study suggests that allograft material choice may not significantly impact outcomes in this specific surgical application.
• Surgeons should consider these findings when selecting allografts, as performance appears comparable across these brands.