Research Article

Penile Hemodynamic Response to Phosphodiesterase Type V Inhibitors after Cavernosal Sparing Inflatable Penile Prosthesis Implantation: A Prospective Randomized Open-Blinded End-Point (PROBE) Study

Table 2

Postoperative measurements of spared cavernosal artery (mean ± SD, range).

Cavernosal sparing group (n = 16)Conventional group (n = 5)

PSV baseline (cm/s)33.5 ± 7.6 (17.7–43.2)28.4 ± 7.8 (18.1–40.1)0.0708
PSV (cm/s) after PDE5i56.4 ± 11.5 (36.8–83.4)51.2 ± 5.7 (45.5–60.2)0.1156
<0.001<0.001

EDV baseline (cm/s)5.7 ± 4.7 (0.0–13.7)11.6 ± 7.4 (0.0–26.9)0.1708
EDV (cm/s) after PDE5i8.4 ± 5.5 (2.3–15.2)9.4 ± 2.3 (7.3–13.1)0.7173
0.0010.720

Paired t-test. PSV: peak systolic velocity; EDV: end-diastolic velocity; PDE5i: phosphodiesterase type 5 inhibitor.