Vesicovaginal fistula
Encyclopedia

Presentation

VVF is an abnormal fistulous tract extending between the bladder
Urinary bladder
The urinary bladder is the organ that collects urine excreted by the kidneys before disposal by urination. A hollow muscular, and distensible organ, the bladder sits on the pelvic floor...

 and the vagina
Vagina
The vagina is a fibromuscular tubular tract leading from the uterus to the exterior of the body in female placental mammals and marsupials, or to the cloaca in female birds, monotremes, and some reptiles. Female insects and other invertebrates also have a vagina, which is the terminal part of the...

 that allows the continuous involuntary discharge of urine
Urine
Urine is a typically sterile liquid by-product of the body that is secreted by the kidneys through a process called urination and excreted through the urethra. Cellular metabolism generates numerous by-products, many rich in nitrogen, that require elimination from the bloodstream...

 into the vaginal vault.

In addition to the medical sequelae from these fistulas, they often have a profound effect on the patient's emotional well-being.

Causes

It is often caused by childbirth (in which case it is known as an obstetric fistula
Obstetric fistula
Obstetric fistula is a severe medical condition in which a fistula develops between either the rectum and vagina or between the bladder and vagina after severe or failed childbirth, when adequate medical care is not available.-Symptoms and signs:The resulting disorders typically include...

), when a prolonged labor presses the unborn child tightly against the pelvis, cutting off blood flow to the vesicovaginal wall. The affected tissue may necrotize
Necrosis
Necrosis is the premature death of cells in living tissue. Necrosis is caused by factors external to the cell or tissue, such as infection, toxins, or trauma. This is in contrast to apoptosis, which is a naturally occurring cause of cellular death...

 (die), leaving a hole.

Vaginal fistulas can also result from violent rape. This injury has become common in some war zones, where rape is used as a weapon against female civilians. As a result, some health centers in countries such as the Democratic Republic of Congo have begun to specialize in the surgical repair of vaginal fistulas.

It can also be associated with hysterectomy
Hysterectomy
A hysterectomy is the surgical removal of the uterus, usually performed by a gynecologist. Hysterectomy may be total or partial...

, and cone biopsy.

See also

  • Fistula
    Fistula
    In medicine, a fistula is an abnormal connection or passageway between two epithelium-lined organs or vessels that normally do not connect. It is generally a disease condition, but a fistula may be surgically created for therapeutic reasons.-Locations:Fistulas can develop in various parts of the...

  • Obstetric fistula
    Obstetric fistula
    Obstetric fistula is a severe medical condition in which a fistula develops between either the rectum and vagina or between the bladder and vagina after severe or failed childbirth, when adequate medical care is not available.-Symptoms and signs:The resulting disorders typically include...

  • Rectovaginal fistula
    Rectovaginal fistula
    A rectovaginal fistula is a medical condition where there is a fistula or abnormal connection between the rectum and the vagina. Rectovaginal fistula may be extremely debilitating. If the opening between the rectum and vagina is wide it will allow both flatulence and feces to escape through the...

  • Colposcopy
    Colposcopy
    Colposcopy is a medical diagnostic procedure to examine an illuminated, magnified view of the cervix and the tissues of the vagina and vulva. Many premalignant lesions and malignant lesions in these areas have discernible characteristics which can be detected through the examination...

  • Urinary incontinence
    Urinary incontinence
    Urinary incontinence is any involuntary leakage of urine. It is a common and distressing problem, which may have a profound impact on quality of life. Urinary incontinence almost always results from an underlying treatable medical condition but is under-reported to medical practitioners...

  • Double dye test
    Double dye test
    Double dye test is useful for diagnosing vesicovaginal or ureterovaginal fistulae. For this test, the patient takes oral phenazopyridine 200 mg TDS, and indigo carmine or methylene blue is filled in to the empty urinary bladder via a urethral catheter...


External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK