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[Cavernous vegetative innervation and hemodynamics in patients with fibroplastic induration of the penis and erectile

D G Dmitriev, O V Permiakov

Urologiia (Moscow, Russia : 1999)

|November 12, 2005

Abstract:

Different versions on pathogenesis of Peirony's disease (PD) and erectile dysfunction in this disease made us to investigate cavernous innervation and hemodynamics in patients with fibroplastic induration of the penis. We have detected characteristic changes of cavernous electric activity and histochemical picture in biopsies of all our patients with PD. Of them, 61% had cavernous hemodynamic disorders. Our findings suggest that early affection of cavernous innervation may trigger PD pathogenesis and erectile dysfunction in this disease.

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Sexual stimulation can take various forms, such as physical touch and visual or auditory cues. When this happens, the parasympathetic reflex in the sacral portion of the spinal cord is activated. This reflex stimulates the release of nitric oxide (NO), which then dilates the arterioles in the penis, increasing blood flow to the erectile tissues - the corpora cavernosa and corpus spongiosum.
The blood filling the erectile tissues compresses the veins, which helps to prevent blood from leaving...

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