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Urinary Incontinence Pathophys I Fall 2012 STUDENT (1)

Urinary tract receptors somatic nervous system

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Urinary Tract Receptors Somatic Nervous System External (distal) sphincter Both voluntary and involuntary control of urination Stimulation inhibits urination Contraction of external sphincter Inhibition promotes bladder emptying Relaxes external sphincter
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Normal Micturition http://img.medscape.com/fullsize/migrated/editorial/clinupdates/2003/2421/ostergard.fig5.gif
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Urinary Incontinence Definition Involuntary loss of urine Epidemiology Hard to estimate as many will not seek help May lead to social isolation or NH placement May affect all age groups but peak incidence around the time of menopause Prevalence in non-institutionalized women >60 yo: ~35-40% 50% of institutionalized elders Women twice as affected as men
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Reversible Causes of Urinary  Incontinence D- Delirium I - Infection A- Atrophic vaginitis or urethritis P- Pharmaceuticals Diuretics, narcotics, sedatives, anticholinergics P- Psychological disorders E- Endocrine disorders R- Restricted Mobility S- Stool impaction
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Urinary Incontinence Causes Altered mental states Dementia Pregnancy Vaginal child birth Interstitial cystitis Prostatitis/benign prostatic hypertrophy Neurological conditions MS, PD
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Types of Urinary Incontinence Stress Urge Also known as overactive bladder (OAB) Overflow Functional Mixed
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Urinary Tract Receptors Somatic Nervous System External...

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