science

Rectovaginal fistula

Rectovaginal fistula is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Rectovaginal fistula rather than just read about it. In short: A rectovaginal fistula is a medical condition where there is a fistula or abnormal connection between the rectum and the vagina. Rectovaginal fistulae may be extremely debilitating.

Key takeaways

Rectovaginal fistula belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Rectovaginal fistula to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Rectovaginal fistula from memory before moving on to harder problems.

Reference excerpt

A rectovaginal fistula is a medical condition where there is a fistula or abnormal connection between the rectum and the vagina. Rectovaginal fistulae 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 vagina, leading to fecal incontinence. There is an association with recurrent urinary and vaginal infections. The fistula may also connect the rectum and urethra, which is called a recto-urethral fistula. Either condition can lead to labial fusion. This type of fistula can cause pediatricians to misdiagnose imperforate anus. The severity of the symptoms will depend on the size of the fistula. Most often, it appears about a week or so after childbirth.

Causes Rectovaginal fistulas are often the result of trauma during childbirth (in which case it is known as obstetric fistula), with increased risk associated with significant lacerations or interventions are used such as episiotomy or operative (forceps/vacuum extraction) deliveries or in situations where there is inadequate health care, such as in some developing countries. Rectovaginal fistula is said to be known as the leading cause of maternal death in developing countries. Risk factors include prolonged labour, difficult instrumental delivery, and paramedian episiotomy. Rates in Eritrea are estimated as high as 350 per 100,000 vaginal births. Fistulas can also develop as a result of physical trauma to either the vagina or anus, including from rape. Women with rectovaginal fistulae are often stigmatized in developing countries and become outcasts. Rectovaginal fistula can also be a symptom of various diseases, including infection by lymphogranuloma venereum, or the unintended result of surgery, such as episiotomy or sex reassignment surgery. They may present as a complication of vaginal surgery, including vaginal hysterectomy. They are a recognized presentation of rectal carcinoma or rarely diverticular disease of the bowel or Crohn's disease. They are seen rarely after radiotherapy treatment for cervical cancer.

Treatment After diagnosing rectovaginal fistula, it is best to wait for around three months to allow the inflammation to subside. For low fistulae, a vaginal approach is best, while an abdominal repair would be necessary for a high fistula at the posterior fornix.A circular incision is made around the fistula, and the vagina is separated from the underlying rectum with a sharp circumferential dissection. The entire fistulous tract, along with a small rim of rectal mucosa, is incised. The rectal wall is then closed extramucosally. Most rectovaginal fistulas need surgical repair. Medications such as antibiotics and Infliximab may be prescribed to help close the rectovaginal fistula or prepare for surgery.

References

External links Media related to Rectovaginal fistula at Wikimedia Commons

Illustrations

Worked examples

Example 1 — a first encounter with Rectovaginal fistula

Start with the simplest possible case. Write down what Rectovaginal fistula claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Rectovaginal fistula before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Rectovaginal fistula ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Rectovaginal fistula

In research: Rectovaginal fistula appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Rectovaginal fistula in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Rectovaginal fistula is common in secondary-school and first-year university syllabi. It links to neighbouring topics Congenital disorders of female genital organs, Fistulas, Noninflammatory disorders of female genital tract, so understanding it makes those chapters shorter.
In everyday life: Look for Rectovaginal fistula outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Rectovaginal fistula in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Rectovaginal fistula means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Rectovaginal fistula out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Rectovaginal fistula in simple terms?

A rectovaginal fistula is a medical condition where there is a fistula or abnormal connection between the rectum and the vagina. Rectovaginal fistulae may be extremely debilitating.

Why does Rectovaginal fistula matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Rectovaginal fistula?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Rectovaginal fistula.