Sexual dysfunction in men with spinal cord injury: a case-control study

Area of Science:

• Neuroscience
• Urology
• Sexual Medicine

Background:

• Spinal cord injury (SCI) is known to impact various bodily functions.
• Sexual dysfunction (SD) is a common consequence, but the specific neurological alterations require further elucidation.
• Understanding these changes is crucial for managing patient health and quality of life.

Purpose of the Study:

• To confirm that SCI alters neurological pathways of sexual function (SF).
• To identify differences in SF, psychological state, and physiological responses between men with SCI and men without SCI (WSCI) experiencing SD.
• To compare these differences with a control group of men with WSCI and SD.

Main Methods:

• A case-control study involving 98 men with SCI and SD, and 89 men with WSCI and SD.
• Administration of questionnaires on SF, anxiety, depression, self-esteem, and quality of life.
• Penile eco-Doppler studies post-prostaglandin E1 (PGE1) injection and neurophysiological tests of SF innervation pathways.

Main Results:

• The SCI group (mean age 39.35 years) was younger than the WSCI group (mean age 48.5 years).
• The SCI group showed higher ejaculatory disorders, while the WSCI group had more decreased sexual desire, erectile dysfunction (ED), and premature ejaculation.
• Significant differences were found in penile hemodynamics and neurophysiological tests, including electromyography of the bulbocavernosus muscle and cavernous bodies, indicating altered innervation pathways.

Conclusions:

• SCI causes significant alterations in the neurological innervation pathways of sexual function.
• Men with SCI and SD exhibit distinct patterns of sexual dysfunction and physiological responses compared to men with WSCI and SD.
• These findings highlight the profound impact of SCI on sexual health and underscore the need for targeted interventions.