What is low anorectal atresia?

summary

Anal atresia, also known as low anorectal atresia, due to the abnormal development of the original anus, did not form the anal canal, resulting in the rectum and the outside world. It is called "anal closure" in traditional Chinese medicine. Anal atresia is a kind of median malformation, which is common in clinic. What is low anorectal atresia? Let's talk about it

What is low anorectal atresia?

There was no meconium excretion after birth, and gastrointestinal obstruction symptoms such as vomiting and abdominal distension soon appeared. Local examination showed that the central perineum was flat, and the anal area was covered by skin. Some cases had a pit with obvious pigmentation,

There were radiated wrinkles and contractile response of the cricoid muscle. When the baby is crying or holding his breath, there is a protrusion in the center of perineum. When the fingers are placed in this area, there is a sense of impact. When the baby is placed in the buttock high and head low position, percussion in the anus is a drum sound.

There was no meconium excretion after birth, the anal area was covered by skin, and there was a sense of impact in the anal area when crying. The end of the rectum was just below the line of the pubic tail on the X-ray film of the inverted position. The distance between the blind end of the rectum and the skin of the anal region was about 1.5cm measured by ultrasound and puncture.

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The blind end of rectum was fixed with surrounding soft tissue for several stitches, and the intestinal wall and perianal skin were sutured intermittently with fine silk thread or gut thread for 8-12 stitches. Pay attention to the intestinal wall and skin flap should be crossed and combined, so that the scar is not in the same plane after healing. Anal dilatation was started about 10 days after operation to prevent anal stenosis.