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43 Cards in this Set

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  • Back
When a woman presents with urinary incontinence and all tests for UTI are negative, what is the next best step?
Evaluate the incontinence including Cystometric exam to discern the etiology
What is the best INITIAL treatment for urge incontinence?
Anticholinergic meds
What is the Cystometric exam able to do?
Discern between STRESS and URGE incontinence.
What would make you unable to diagnose GENUINE stress urinary incontinence definitively?
-Time gap between valsalva and leakage
-URGE symptoms
What would a past medical history of DIABETES or NEUROPATHY lead you to think of?
OVERFLOW incontinence
What are 2 findings that would lead you to suspect pelvic relaxation and GSUI?
-Cystocele
-Increased Urethral-Bladder angle
What is the anatomic defect in GSUI?
The BLADDER NECK is below the abdominal cavity.
What test would you order to differentiate between GSUI and Urge incontinence?
Cystometrics
Why is it important to distinguish the 2 entities?
The therapies are very DIFFERENT and surgery can actually make URGE incontinence WORSE.
If a patient's history and PE were consistent with pure GSUI, would you order cystometrics?
NO - just order a Burch urethropexy automatically.
What IS GSUI by definition then?
Sudden leakage of urine through the urethra upon increased intrabdominal pressure, in the ABSENCE of bladder muscle spasm
What is URGE incontinence by definition?
Leakage of urine due to strong, uninhibited detrussor contraction.
What is OVERFLOW incontinence?
Overdistention of the bladder due to hypotonia and absence of detrusor CTX; leads to overflow leakage of urine.
What are 3 conditions often associated with overflow incontinence?
-Diabetes mellitus
-Spinal cord injuries
-Lower motor neuropathies
What can cause overflow incontinence s/p pelvic surgeries?
Urethral edema
What is entailed in Cystometric evaluation?
Measurement of volume and pressure changes within the bladder with the filling of known volumes.
How is urinary continence normally maintained?
Urethral pressure exceeds intravesicular (bladder) pressure.
Where is the normal location of the bladder and proximal urethra?
Intra-abdominal - above the pelvic diaphragm.
What happens during Valsalva normally?
Pressure is distributed to the bladder and proximal urethra equally, and bc urethral pressure normally exceeds vesicular, urine is not lost.
What happens when the prox urethra slips below the pelvic diaphragm due to relaxation and Valsalva occurs?
Now just the bladder squeezes, not the urethral sphincter; so urine leaks.
What can CAUSE pelvic relaxation?
-Trauma
-Childbearing
When does urine loss in GSUI occur wrt the valsalva?
Simultaneously - without delay.
What surgical procedure is done to fix GSUI due to pelvic relaxation?
Burch urethropexy
What is the Burch urethropexy?
Replacement of the proximal urethra back into its intra-abdominal position.
What is done in TVT procedures?
Strips of tape suspend the MIDurethra
What is the theoretical basis for doing a TVT?
That urinary incontinence is due to Pubo-urethral ligament insufficiency
What is the mechanism of OVERFLOW incontinence?
Bladder hypotonia leads to overfilling and distention; upon valsalva, dribbling occurs.
What are common causes of Overflow incontinence?
Neuropathy
Diabetes
Spinal cord injury
What is the diagnostic test for Overflow incontinence?
Postvoid residual volume shows large amts (by catheterization)
What is the TREATMENT for overflow incontinence?
Self-catheterization
What is the mechanism of URGE incontinence?
Overactive bladder is contracting at random times; uninhibited; so you get this huge urge to pee.
When does URGE incontinence occur wrt valsalva?
DELAYED
Common complaint in patients with URGE incontinence:
I have to go and can't make it to the bathroom
What is the diagnostic test for Urge incontinence?
Cystometric exam - shows uninhibited bladder spasms.
What is the treatment for Urge incontinence?
Anticholinergic meds
So what are the 4 pieces of info you should get in the INITIAL eval of incontinence?
-History
-Physical exam
-Urinalysis/culture
-Postvoid residual volume
What is the first line of treatment for incontinence?
BEHAVIORAL
-Timed voiding
-Pelvic muscle exercises
What is the anticholinergic med that is used for treating Urge incontinence?
Oxybutynin
What is Oxybutynin aka?
Ditropan
What would you suspect in a patient that complains of constant leakage or urine from the vagina after surgery or prolonged labor?
Vesicovaginal fistula
What is the diagnostic test for Vesicovaginal fistula?
Dye in the bladder shows discoloration of something inserted in the vagina.
What is the treatment for a vesicovaginal fistula?
Surgical repair
And when do vesicovaginal fistulas most often develop?
Following prolonged labor or pelvic surgery.