The Presacral Space and its Impact on Sacral Neuromodulator Implantation

Nicole Saint Clair, Sarah Hamilton Boyles, Amanda Clark, S(Renee) Edwards, Mary Denman, William (Tom) Gregory

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Purpose: We describe the presacral space and its potential impact on sacral neuromodulator implantation and bowel injury. Materials and Methods: Parasagittal images containing bilateral sacral foramina (S2-S4) were examined on 45 pelvic magnetic resonance images. Images were excluded from analysis if they were poor quality or had any history causing distortion of normal anatomy. We measured the natural angle between the foramina and the dorsal skin to approximate the needle angulation during neuromodulator electrode placement. Using these angles we measured the distance from the skin to any bowel (D1), the skin to the dorsal sacrum (D2) and then calculated the distance from the dorsal sacrum to any bowel (D3). Results: Mean subject age was 45 years (range 19 to 78) and body mass index was 27.9 kg/m2 (range 18.6 to 56.2). At S3 the mean foraminal angle and D3 were 46 ± 8.4 degrees and 27.4 ± 11.7 mm, respectively. Increasing age was moderately correlated to widening D3 at each foramina (r = 0.3, Pearson's p

Original languageEnglish (US)
Pages (from-to)988-991
Number of pages4
JournalJournal of Urology
Volume180
Issue number3
DOIs
StatePublished - Sep 2008

Fingerprint

Neurotransmitter Agents
Sacrum
Skin
Needles
Anatomy
Electrodes
Body Mass Index
Magnetic Resonance Spectroscopy
History
Wounds and Injuries

Keywords

  • electric stimulation therapy/instrumentation
  • electrodes
  • humans
  • implanted
  • urge/surgery
  • urinary incontinence
  • urination disorders/therapy

ASJC Scopus subject areas

  • Urology

Cite this

The Presacral Space and its Impact on Sacral Neuromodulator Implantation. / Saint Clair, Nicole; Hamilton Boyles, Sarah; Clark, Amanda; Edwards, S(Renee); Denman, Mary; Gregory, William (Tom).

In: Journal of Urology, Vol. 180, No. 3, 09.2008, p. 988-991.

Research output: Contribution to journalArticle

Saint Clair, Nicole ; Hamilton Boyles, Sarah ; Clark, Amanda ; Edwards, S(Renee) ; Denman, Mary ; Gregory, William (Tom). / The Presacral Space and its Impact on Sacral Neuromodulator Implantation. In: Journal of Urology. 2008 ; Vol. 180, No. 3. pp. 988-991.
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