[Tubal obstruction with an implant inserted by hysteroscopy: a report of 50 cases].

Background: The Essure contraceptive device consists of a titanium and nickel coiled spring containing Dacron fibers. It is placed under hysteroscopic visualizaron in the proximal section of the Fallopian tube. The microinsert acts by inducing a tissue reaction that permanently blocks the tube within three months.

[Complex anal fistula treated with cutting seton].

Background: Anorectal sepsis is a frequent condition presenting in the office of colorectal specialists. The acute phase presents as an abscess and the chronic phase as a fistula. We undertook this study to report the experience of the Coloproctology Unit of the General Hospital of Mexico in the management of complex anal fistula with cutting seton.

[Incidence, diagnosis and treatment of colovesical fistula].

Background: Enterovesical fistula, also known as vesicoenteric fistula, is an abnormal communication of the vesical bladder with a segment of the digestive tract. We undertook this study to describe diagnostic and therapeutic methods to treat colovesical fistula (CVF) in patients who attended the Coloproctology Unit of the Gastroenterology Service of the General Hospital in Mexico City.

Methods: This is a descriptive study in CVF patients carried out from January 2001 to June 2006; descriptive statistics were used for analysis of information.

[Treatment of chronic anal fissure with botulinic toxin type A].

Unlabelled: Anal fissure is a disease that generally affects to young people, but it can present at any age.

Purpose: To show our experience in the treatment of chronic anal fissure with botulinum toxin type A.

Material And Methods: This is a prospective, experimental and longitudinal study realized in the Coloproctology Unit in the General Hospital of Mexico City and in Medical North of Monterrey, Mexico, between June 2002 and November 2004.