The correlation among cavernous pressure, penile rigidity and resistance index.
case_control · Level III
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Abstract
We define the precise meaning and diagnostic significance of the resistance index generated by duplex scanning. In 80 patients penile rigidity was clinically evaluated and a penile duplex scan was performed after intracavernous injection of 10 microg. prostaglandin E1. The intracavernous equilibrium pressure was measured in 34 of these patients. We found a statistically highly significant linear relationship among cavernous pressure, resistance index and penile rigidity (p <0.001). The resistance index and clinical degree of penile rigidity are 2 expressions of intracavernous pressure. Clinical observation of erection is equivalent to the resistance index in screening for cavernous leakage.
Medical subject headings
- Erectile Dysfunction
- Penis