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  4. Prediction of sexual function following spinal cord injury: a case series

Prediction of sexual function following spinal cord injury: a case series

Spinal Cord Series and Cases, 2017 · DOI: 10.1038/s41394-017-0023-x · Published: October 4, 2017

Spinal Cord InjuryUrologyNeurology

Simple Explanation

Spinal cord injury (SCI) can disrupt the body's normal sexual responses, affecting sexual interest and satisfaction. The extent of these effects depends on the location and severity of the injury along the spinal cord. Specific areas of the spinal cord, particularly the T11-L2, S2-S4, and somatic centers, are crucial for sexual function. Injuries to these areas can lead to changes in genital arousal, erection (in males), lubrication (in females), ejaculation, and orgasm. The International Standards for the Assessment of Autonomic Function after SCI (ISAFSCI) helps evaluate autonomic functions affected by SCI, including sexual responses. By combining neurologic exams with reflex testing, clinicians can predict the likely impact of SCI on sexual function.

Study Duration
Not specified
Participants
4 representative cases
Evidence Level
Level 4: Case Series

Key Findings

  • 1
    Neurologic examination combined with reflex testing can predict sexual responses after SCI.
  • 2
    The ISAFSCI classification can change based on factors other than SCI, such as medications and perimenopausal changes.
  • 3
    Thoracolumbar reflex testing may provide information about ejaculation in males with SCI.

Research Summary

This case series highlights the importance of supplementing the neurological examination with thoracolumbar reflex testing to gather information about ejaculation in males with SCI. Cases 1 and 2 demonstrate that in men with supraconal lesions above T10, reflex sexual arousal (erection) will occur, and projectile ejaculation and orgasm are possible. Infraconal (cauda equina) lesions (LMN syndrome) may allow psychogenic sexual arousal, but not reflex arousal. In men, this often results in erection of poor quality with only dribbling emission. With complete LMN lesion to the sacral segments genital orgasm is usually not present in either men or women. Case 4 illustrates that therapeutic interventions are possible and considerably helpful for women with supraconal lesions above T10 and UMN syndrome, especially if they have partial sensation in T11-L2 dermatomes. Changes in sexual function may be due to aging and medications.

Practical Implications

Comprehensive Assessment

A thorough neurological clinical examination, including both somatic and autonomic function assessment, is crucial for predicting sexual function following SCI.

ISAFSCI Refinement

The ISAFSCI should be clarified to specifically document the impact of SCI on sexual responses, helping clinicians identify and address other potential sources of sexual dysfunction.

Individualized Treatment

Treatment must be adapted according to whether the patient has an UMN or LMN syndrome.

Study Limitations

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