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KMID : 0381219890210040347
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Journal of RIMSK
1989 Volume.21 No. 4 p.347 ~ p.362
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Urethral and Paraurethral Anatomic Structures Related to Stress Urinary Incontinence
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Abstract
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Stress urinary incontinence is defined such symptom, sign or condition as involuntary loss of urine secondary to increase in abdominal pressure, which is the most common cause of incontinence, comprising over 80% of all female incontinence.
As we reported earlier, overall incidence of stress incontinence was 36.1% among unselected parous women and nearly half after the age of 50.
Stress urinary incontinence is classified as sphincter-related incontinence and is synonymous with urethral sphincter incompetence, which includes anatomic malposition of intact sphincter unit and/ or intrinsic sphincter damage.
As a result, sphincter is no longer able to prevent urinary leakage during increase in abdominal pressure.
But morphologically distinctive urethral sphincter has not been identified up to present and anatomy of so called functional sphincteric portion and its support have been both controversial and confusing.
So this paper is presented to review the published articles about urethral and paraurethral anatomic structures including so called functional sphincteric portion and to find the causes of stress urinary incontinence from anatomical view point.
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