A Lateral Internal Sphincterotomy is performed on the internal anal sphincter muscle, the involuntary muscle that controls the passage of stool. The internal anal sphincter is one of two muscles that control the sphincter.
A Lateral Internal Sphincterotomy is the preferred method of surgery for persons with chronic anal fissures. The procedure helps by lowering or the amount of resting pressure of the internal anal sphincter which allows for faster healing.
Surgery Side Effects
Fecal incontinence and flatulence incontinence are common side effects following surgery. Less than 1% of all patients that undergo this procedure experience permanent fecal or flatulence incontinence.
Standard Surgery Details
Operation time: 20 - 30 minutes.
Dispatch time: same day or next day.
The median of 96% patients had their anal fissure heal completely with in three weeks. [1]