Premium
Detrusor hyperreflexia and its relationship to posterior bladder neck sensor mechanism in spinal injured patients
Author(s) -
Perkash Inder,
Wolfe Vickie
Publication year - 1991
Publication title -
neurourology and urodynamics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.918
H-Index - 90
eISSN - 1520-6777
pISSN - 0733-2467
DOI - 10.1002/nau.1930100114
Subject(s) - trigone of urinary bladder , medicine , neck of urinary bladder , urethra , urethral sphincter , urology , anatomy , urinary incontinence , urinary bladder
Abstract This report describes the existence of a sensor mechanism at the posterior bladder neck region which invokes bladder contraction in patients with detrusor hyperreflexia when stimulated mechanically with a transurethral catheter. Studies were monitored through transrectal linear array sonography to precisely localize the site stimulated with the tip of the catheter during urodynamic evaluation. The location of sensor mechanism is just distal to the trigone at the posterior bladder neck region and extends into the posterior urethra for 0.5 to 1 cm into the posterior urethra. Its clinical implications in female urge incontinence seem to agree with the “second sensor” described by Bradley in 1975 (Urology 6:654, 1975). The bladder neck sensor mechanism possibly facilitates normal progressive voiding and seems to exaggerate voiding in the hyperreflexic bladders.