Urge urinary incontinence
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Urge urinary incontinence (English: urge urinary incontinence) is a form of voiding disorder in which involuntary leakage of urine occurs, preceded by a sudden, difficult-to-control sensation of bladder urgency. This condition is one of the main symptoms of overactive bladder syndrome (OAB – overactive bladder). The disease mechanism is most often associated with uncontrolled contractions of the detrusor muscle of the urinary bladder. This problem significantly affects patients' quality of life, leading to limitations in social and occupational activities and a deterioration of psychological well-being.
Urge urinary incontinence - causes
The etiology of urge urinary incontinence is complex and multifactorial. A key role is played by detrusor overactivity, which undergoes involuntary contractions during the bladder filling phase.
The most common causes include:
- Neurological disorders:
- stroke,
- Parkinson's disease,
- multiple sclerosis,
- spinal cord injuries
- Age-related changes:
- decreased elasticity of the bladder wall,
- reduced functional bladder capacity
- Hormonal factors:
- estrogen deficiency in postmenopausal women affecting the trophic state of the urinary tract epithelium
- Infections and inflammatory conditions:
- recurrent urinary tract infections,
- chronic cystitis
- Functional and environmental factors:
- excessive caffeine and alcohol intake,
- chronic stress,
- obesity
In some cases no clear cause can be established – in such cases the condition is referred to as idiopathic.
Urge urinary incontinence - symptoms
Symptoms of urge urinary incontinence are sudden and difficult to predict. A key element is an uncontrollable urge to urinate that appears violently and requires an immediate response.
The most commonly observed are:
- a sudden, intense urge to urinate that cannot be postponed,
- involuntary leakage of urine preceded by urgency,
- frequent urination (urination >8 times a day),
- nocturia (the need to urinate at night),
- a feeling of incomplete bladder emptying.
It is characteristic that urine leakage is not associated with physical exertion, coughing, or sneezing, but occurs as a result of a sudden bladder contraction. Symptoms may vary in severity – from occasional episodes to significant, daily problems that limit functioning.
Urge urinary incontinence - differences from stress urinary incontinence
Distinguishing urge and stress urinary incontinence is of key diagnostic and therapeutic importance, because the mechanisms of these disorders are different.
| Feature | Urge urinary incontinence | Stress urinary incontinence |
|---|---|---|
| Mechanism | Detrusor overactivity | Urethral sphincter insufficiency |
| Time of leakage | Preceded by a sudden urge | During exertion (coughing, laughing, physical exertion) |
| Control | Difficult to predict | Related to a specific activity |
| Associated symptoms | Urinary frequency, nocturia | Usually no additional symptoms |
| Risk group | Older adults, neurological diseases | Women after childbirth, pelvic floor weakness |
In clinical practice both types can coexist — this is referred to as mixed urinary incontinence.
Urge urinary incontinence - when to see a specialist
Specialist consultation (urological or gynecological) is indicated in every case of persistent symptoms of urge urinary incontinence, especially when they affect daily functioning.
Specific indications include:
- frequent episodes of urinary incontinence,
- sudden worsening of urinary control,
- presence of pain or burning during urination,
- hematuria,
- neurological symptoms accompanying voiding dysfunction.
Diagnostics include:
- a detailed medical history and a voiding diary,
- urinalysis,
- urodynamic testing,
- ultrasonography of the urinary tract.
Contemporary treatment is multimodal and includes:
- behavioral therapy (bladder training),
- pharmacotherapy (antimuscarinic drugs, beta-3 agonists),
- urogynecological physiotherapy,
- modern methods, such as:
- electrostimulation,
- radiofrequency therapy (e.g., technologies such as INDIBA),
- botulinum toxin injections into the detrusor muscle,
- sacral nerve neuromodulation.
Early initiation of therapy significantly improves prognosis and patients' quality of life, and appropriately chosen management can substantially reduce symptoms, often nearly eliminating them.