What Is Meatal Stenosis?

Anal stenosis is a condition in which the diameter of the anus and anal canal becomes smaller, which can cause difficulty in passing stool, thinning of stool characteristics, and pain in the anus during defecation. During objective examination, the anus cannot pass smoothly through the index finger. There are two types of anal stenosis: congenital and acquired stenosis.

Anal stenosis

Anal stenosis is a condition in which the diameter of the anus and anal canal becomes smaller, which can cause difficulty in passing stool, thinning of stool characteristics, and anus during defecation
Congenital anal stenosis is a congenital malformation of the anus. Acquired anal stenosis is mostly caused by inflammation of the anus.
Anal stenosis is mostly caused by congenital deficiency and trauma. There are many causes of anal stenosis , mainly in the following aspects:
1. Congenital
The clinical manifestations of anal stenosis are determined by its clinical characteristics.
The patient had a history of inflammation in the anus, surgery and injections, or use of corrosive drugs. Combined with the finger test, it can be seen that the anus or anal canal is narrow, and the hard annular narrow fibrous band or tubular stenosis cannot sometimes be felt through the fingers. There are often feces or secretions in the anus, and sometimes there are shallow cracks.
1. Prevention
Prevent anal strictures during anal surgical injuries and inflammation. for example
1. Internal law
Patients with mild stenosis, difficulty in stool, abdominal distension, bowel movements, or constipation are classified as having poor ventilation, dry and hot intestines, and should be treated with wide bowel and qi. Light tongue, white fur, pulse count, use anal scattered powder; such as constipation, intestinal dryness and less, dry mouth, red tongue, thin yellow fur, pulse count, give Ma Ren Wan.
2. Foreign law
Anal expansion therapy: suitable for mild anal or anal canal stenosis.
Operation method: The doctor wears finger cots, applies liquid paraffin, slowly extends into the patient's anus and anal canal, and gently presses the anal canal for 4 weeks, 1-2 times a day, or with a small, medium and large anoscope and The anal dilator is used to expand the anus 1 to 2 times a week, and the interval time is gradually extended until the stenosis dissipates and no longer relapses. It usually takes 6 to 8 weeks and the effect is good.
3 Surgical treatment
(1) Anal expansion: Applicable to mild anal or anal canal stenosis. The patient should be placed in the lateral position or lithotomy position. Local routine disinfection, anesthesia infiltration around the anus, on the midline after the anus, cut the skin and part of the anal canal. The sphincter expands the anus and can smoothly pass the index finger. Cover the vaseline gauze with sterile gauze.
(2) Radiation incision scar release: suitable for mild and moderate stenosis of the anus and anal canal.
The most important thing in the treatment of anal stenosis is prevention, including avoiding excessive damage to the skin, mucous membranes and sphincter to ensure the normal volume of the anal canal after surgery.

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