1
(Video-urodynamics )
(lower urinary tract, LUT)
(filling)(storage)(voiding)
(static)(dynamic process)
(dynamic)
(urodynamic study)
()
(storage)(voiding)A
B
(Uroflowmetry, UFR)
(Cystometry, CMG) (External sphincter
electromyogram, EMG)
(Pressure-flow study, PFS)
2
(Urethral pressure profile study, UPP)
(Stress urethral pressure profile, stress UPP)
Uroflowmetry (UFR) ()
(detrusor)
1. maximum flow rate, Qmax 25ml/sec
2. average flow rate, Qave 10-20ml/sec
3. voided volume, VV200ml
4. voiding time 15-20sec
5. time to maximum flow about 10 sec
6. postvoided residual, PVR; or residual urine, RU50ml (
< 100ml)
A
DC
B
(Uroflowmetry, UFR) A(normal pattern)
B(intermittent interrupted pattern)
3
(abdominal straining)C(bladder
outlet obstructcion, BOO)D
(abdominal straining)
(bladder outlet obstructcion, BOO)
(Cystometry, CMG) ()
(External sphincter electromyogram, EMG)
(filling)
(compliance)
(Valsalva maneuver)(detrusor pressure,
Pedt15cmH2O)(stress urinary incontinence)
1. (first desire to void, FD): 150ml
2. (normal desire to void, ND): 250ml
3. (strong desire to void, SD): 350ml
4. (urgency):
5. (maximum cystometric capacity, MCC): 400-600ml
(interstitial cystitis, IC)
(bladder outlet obstruction)
(urodynamic stress incontinence)(detrusor overactivity, DO)
(low compliant bladder)
(Pves)(Pabd)(Pdet)
[(Pdet)= (Pves) -- (Pabd)]
4
A B
C
(Cystometry, CMG) (External sphincter
5
electromyogram, EMG)A(Pdet)
(
6
(MUCP= Pura Pves)
3. (Functional urethral length, FUL
4. (Pressure transmission ratio, PTR)(sUPP)
(Pura)(Pves)(Pura/ Pves)
PTR (MUCP)
20cmH2O
MUCP FUL
UPP
A B
(Urethral pressure profile study, UPP)
(Stress urethral pressure profile, sUPP)A
(MUCP)B(MUCP)
7
(Urodynamic stress incontinence USI)
()(Detrusor overactivity with/ without incontinence)
(Mixed urinary incontinence, USI + DO)
(Increased bladder sensation)
(Low compliant bladder)
(Underactive/ Acontractile detrusor)
(Bladder outlet obstruction)
(Detrusor sphincter dyssynergia, DSD)
(Video-urodynamics )
1. (pressure flow study)
(
) ()
()
2.
3. :
(1) (equivocal results)
(2)
(3) spinal cord injury, detrusor-sphincter
dyssynergia, neurogenic bladder
(4) uretrhal stenosis, veso-ureteric reflex
(5) (lower urinary tract dysfunction, LUTD)
8
()(
)
