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Definition and symptoms of underactive bladder
1Bristol Urological Institute, Southmead Hospital, Bristol, UK.
Investigative and Clinical Urology
|December 28, 2017
Summary
Underactive bladder (UAB) involves weak bladder contractions leading to incomplete emptying. Storage symptoms, like nocturia, significantly impact daily life and often prompt medical consultation.
Area of Science:
- Urology
- Continence Medicine
Background:
- Underactive bladder (UAB) is a condition characterized by detrusor underactivity (DU), resulting in reduced bladder contractility.
- DU leads to incomplete bladder emptying, manifesting as a slow urinary stream, hesitancy, and straining.
- UAB symptoms can be complex, often coexisting with bladder outlet obstruction or storage dysfunction.
Purpose of the Study:
- To elucidate the symptom complex of UAB, including voiding and storage lower urinary tract symptoms (LUTS).
- To understand the patient's experience and the impact of UAB on daily life.
- To clarify the role of DU in the presenting complaints and its contribution to storage LUTS, such as nocturia.
Main Methods:
- The study synthesizes information on UAB based on descriptions from the International Continence Society Working Group.
- It reviews the clinical presentation of UAB, including voiding and storage LUTS.
- Qualitative research findings on the impact of UAB symptoms on patients' lives are considered.
Main Results:
- UAB presents with voiding symptoms (slow stream, hesitancy, straining) and potentially incomplete emptying.
- Storage LUTS, including nocturia, are common and often drive healthcare-seeking behavior.
- While voiding LUTS are manageable, storage LUTS significantly affect quality of life.
Conclusions:
- UAB is a symptom syndrome linked to detrusor underactivity, presenting with both voiding and storage LUTS.
- Storage LUTS, particularly nocturia, are highly bothersome and impact daily living.
- Further research is needed to fully establish the role of DU in the diverse influences on nocturia.
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