Listen up! Don't take your ears for granted. Hearing loss is the third most common health problem in the U.S, and it can affect the quality of your life and relationships. About 48 million Americans have lost some hearing. Certain conditions, including age, illness, and genetics, may play a role in hearing loss.
Perilymph fistula has two main causes: 1  The most common causes of a perlymph fistula is trauma to the head or a sudden change in atmospheric presssure, called barotrauma, usually occurring on an airplane or scuba diving. 2  A perilymph fistula has been seen as a side effect of syphilis or Lyme disease.
In developed countries, the majority of women with OF suffer rectovaginal fistula (RVF). This is caused by episiotomy and forceps/vacuum extraction of the baby from the vagina. Over 80% of RVFs in the USA are obstetric and either preventable or treatable, followed in frequency by Crohn's disease and radiation. A fistula is almost entirely preventable.