Incontinence, Urinary Adult Female
Basics
- Urinary incontinence (UI): involuntary urine (ur) loss; common in women; few seek care despite effective options; may affect quality of life (QoL)
- UI: transient (acute, <6 months, and reversible if cause addressed) or chronic (have subtypes)
Description
- Stress UI: increased intra-abdominal pressure (coughing, exertion); most common in younger women
- Urge UI: sudden uncontrollable ur loss, preceded or accompanied by urgency; from overactive bladder (OAB) or detrusor overactivity (DO); most common in older adults
- Mixed UI: >1 type of UI, often a combo (stress and urge UIs); overall most common type
- Overflow UI: high-residual volume from inadequate bladder emptying (chronic ur retention), causing frequent dribbling; predisposes to recurrent infections, vesicoureteral reflux, autonomic dysreflexia
- Functional UI: ur loss due to deficits in cognition or mobility with normal ur system function
- Continuous UI: sustained slow leakage in between regular voiding; may have no awareness nor bladder fullness
Epidemiology
Prevalence
- Overall prevalence in women: 10–20% (up to 77% in nursing homes)
- In women, stress UI decreases with age, whereas urge UI increases.
Etiology and Pathophysiology
- Stress UI: 2 types—anatomic (urethral hypermobility from lack of pelvic support) and intrinsic sphincter deficiency (impaired urethral closure); stress UI is secondary to surgical scarring, radiation, hormonal, or age-related changes.
- Urge UI: DO (usual cause) or OAB from neuro causes (SCI), abd trauma, infection, Rx, certain fluids, or idiopathic; DO could be idiopathic or neurogenic (MS).
- Overflow UI: detrusor underactivity (“neurogenic bladder”), increased bladder ur volume (DM or Rx), or bladder outlet obstruction (fibroids, pelvic organ prolapse [POP], masses)
- Mixed UI: aggregate of etiologies from each type of UI present
- Functional UI: cognitive impairment (dementia, delirium, intellectual disabilities); unable to recognize need for toilet; psychological issues and mental illness (decreased awareness); medical conditions (arthritis) and physical disability impairing mobility; poor vision; and environmental barriers
- Continuous UI: constant involuntary ur loss; ectopic ureters in females usually open in urethra distal to sphincter or in the vagina, causing sustained leakage through the urethra or extra-urethral (urogenital fistulas: vesicovaginal [most common], ureterovaginal, and urethrovaginal).
Risk Factors
Advanced age, vaginal atrophy (menopause), impaired cognition-function, obesity (BMI >30), medical conditions (DM, chronic obstructive pulmonary disease [COPD]), multiparity, pelvic floor dysfunction (vaginal birth, pelvic surgery or radiation), urethral diverticula, POP, neuro diseases (stroke, MS, Parkinson disease), smoking, constipation, caffeine, and high-impact exercises
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Citation
Domino, Frank J., et al., editors. "Incontinence, Urinary Adult Female." 5-Minute Clinical Consult, 27th ed., Wolters Kluwer, 2020. Medicine Central, im.unboundmedicine.com/medicine/view/5-Minute-Clinical-Consult/117014/all/Incontinence_Urinary_Adult_Female.
Incontinence, Urinary Adult Female. In: Domino FJF, Baldor RAR, Golding JJ, et al, eds. 5-Minute Clinical Consult. Wolters Kluwer; 2020. https://im.unboundmedicine.com/medicine/view/5-Minute-Clinical-Consult/117014/all/Incontinence_Urinary_Adult_Female. Accessed August 31, 2024.
Incontinence, Urinary Adult Female. (2020). In Domino, F. J., Baldor, R. A., Golding, J., & Stephens, M. B. (Eds.), 5-Minute Clinical Consult (27th ed.). Wolters Kluwer. https://im.unboundmedicine.com/medicine/view/5-Minute-Clinical-Consult/117014/all/Incontinence_Urinary_Adult_Female
Incontinence, Urinary Adult Female [Internet]. In: Domino FJF, Baldor RAR, Golding JJ, Stephens MBM, editors. 5-Minute Clinical Consult. Wolters Kluwer; 2020. [cited 2024 August 31]. Available from: https://im.unboundmedicine.com/medicine/view/5-Minute-Clinical-Consult/117014/all/Incontinence_Urinary_Adult_Female.
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