Elderly Incontinence Flashcards
(18 cards)
extrinsic examples of urinary incontinence? (4)
reduced mobility
confusion
constipation
social/home circumstances
what muscle is internal and external urethral sphincter made of?
internal - smooth
external - striated
parasympathetic innervation?
S2-S4
increases strength and frequency of contractions
what causes detrusor muscle to relax?
sympathetic T10-L2
b-adrenoreceptors
what causes contraction of neck of bladder/internal sphincter?
sympathetic T10-S2
a-adrenoreceptors
what causes contraction of pelvic floor muscles and external urethral sphincter?
S2-S4 somatic
what happens in stress incontinence?
bladder outlet is too weak
urine leak on coughing etc
what happens in urinary retention?
bladder outlet is too strong
poor urine outflow
what happens in urge incontinence?
bladder muscle is too strong
detrusor muscle contracts at low volumes
treatment for stress incontinence? (3)
physiotherapy
oestrogen cream
duloxetine
treatment for urinary retention? (2)
alpha blocker - Tamsulosin
anti-androgen - finasteride
treatment for urge incontinence? (1)
antimuscarinics
what do antimuscarinics do?
relax detrusor
what do alpha blockers do?
relax sphincter and bladder neck
what do anti-androgens do?
shrink prostate
what is neuropathic bladder?
no awareness of bladder filling resulting in overflow incontinence
treatment for neuropathic bladder?
catheterisation is only treatment
what examination for assessing incontinence?
rectal and vaginal