1446-1447 / 2001
Rate of Erection Hardness (ICP) Increases With
Increased Pudendal Flow to the Penis
• Electrical cavernous nerve
stimulation increases
pudendal blood flow and
80
100
mHg
Intracavernosal
Pressure (ICP)
Pudendal flow
provides rapid increases in
intracavernosal pressure
(ICP)
40
60
ICP, m
• Intracavernosal injection of
a nitric oxide donor sodium
0
20
200
n
Nerve stim
SNP ic
60s
,
nitroprusside, produces
slow increases in ICP but
100
ow, ml/mi
has no effect on pudendal
flow
0
Blood Fl
Illustrates importance of flow-mediated vasodilation in the initiation and
i t
f
il
ti
i
li i l
d l
ma n enance o pen e erec on n prec n ca mo e
Wayman C et al. ESSM. 4-7 December2005. Poster M-05-141.