Appendicitis - Complications

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What are the complications of appendicitis?

The most frequent complication of appendicitis is perforation. Perforation of the appendix can lead to a peri-appendiceal abscess (a collection of infected pus) or diffuse peritonitis (infection of the entire lining of the abdomen and the pelvis). The major reason for appendiceal perforation is delay in diagnosis and treatment. In general, the longer the delay between diagnosis and surgery, the more likely is perforation. The risk of perforation 36 hours after the onset of symptoms is at least 15%. Therefore, once appendicitis is diagnosed, surgery should be done without unnecessary delay.

A less common complication of appendicitis is blockage or obstruction of the intestine. Blockage occurs when the inflammation surrounding the appendix causes the intestinal muscle to stop working, and this prevents the intestinal contents from passing. If the intestine above the blockage begins to fill with liquid and gas, the abdomen distends and nausea and vomiting may occur. It then may be necessary to drain the contents of the intestine through a tube passed through the nose and esophagus and into the stomach and intestine.

A feared complication of appendicitis is sepsis, a condition in which infecting bacteria enter the blood and travel to other parts of the body. This is a very serious, even life-threatening complication. Fortunately, it occurs infrequently.

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See what others are saying

Comment from: alice, 55-64 Female (Patient) Published: May 09

I had no pain only a dull ache in my lower right abdomen. I had a fever, vomiting, and eventually couldn't down anything. Since I've often had ill health, I didn't go to the hospital until my brother took me. I had a CT scan and the doctor operated that day. He said the appendix hadn't burst but was leaking and had spread the infection. It doesn't always present with an obvious sharp pain.

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