Does intussusception cause diarrhea?

Written by Quan Xiang Mei
Pediatrics
Updated on January 26, 2025
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Intussusception is a common surgical condition in infants and young children, characterized primarily by symptoms such as abdominal pain, crying, abdominal distension, the passage of jelly-like stools, and vomiting. Some children may also experience diarrhea and frequent passage of jelly-like stools, where the symptoms of intussusception may not be particularly noticeable, leading parents to possibly overlook them. Therefore, if a child has diarrhea accompanied by jelly-like stools, it is crucial to take the child to the hospital for a consultation and an ultrasound to confirm whether it is caused by intussusception. If left untreated for a long time, it can lead to ischemic necrosis of the intestinal mucosa, necessitating surgical treatment.

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Written by Quan Xiang Mei
Pediatrics
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What tests need to be done for intussusception?

Intussusception is a common surgical disease in infants and young children, characterized clinically by crying, abdominal pain, abdominal distention, the passage of jelly-like stools, and vomiting. Auxiliary examinations for this condition primarily involve abdominal ultrasonography, though occasionally an abdominal X-ray can be performed. If a child experiences intussusception, treatment can vary depending on the severity; mild cases might be treated with an air enema. However, if the symptoms of intussusception are severe and prolonged, leading to ischemic necrosis of the intestines, surgical intervention is definitely required. In summary, the examination for intussusception primarily involves abdominal ultrasonography.

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Written by Hu Qi Feng
Pediatrics
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How is intussusception in infants caused?

Intussusception is divided into primary and secondary types, with 95% being primary, commonly seen in infants. This is due to the fact that the mesentery at the ileocecal region in infants is not fully fixed and has greater mobility, which are structural factors that facilitate intussusception. For the 5% of secondary cases, these are more common in older children, whose intestines often have clear organic causes for intussusception. These causes include the inversion of a Meckel's diverticulum into the ileal lumen serving as a lead point; intestinal polyps, intestinal tumors, intestinal duplications, and abdominal purpura can cause thickening and swelling of the bowel wall leading to intussusception. Additionally, certain facilitating factors can disrupt the rhythm of intestinal peristalsis, thereby inducing intussusception. Changes in diet, viral infections, and diarrhea are among the factors that can trigger intussusception.

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Written by Hu Qi Feng
Pediatrics
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Infant intussusception typical symptoms

The typical clinical manifestations of intussusception are as follows: Firstly, abdominal pain, which occurs in paroxysmal, regular episodes, characterized by sudden onset of severe colicky pain. The child appears restless and cries, with knees drawn to the abdomen, pale complexion, and relief coming after several minutes or longer; the pain reoccurs every ten to twenty minutes. Secondly, vomiting is an early symptom, initially reflexive containing milk curds or food residues, later possibly containing bile, and in the late stage, fecal-like liquid may be vomited. Thirdly, bloody stools are a significant symptom, appearing within the first few hours; initially, stools may appear normal, later becoming scanty or absent. In about 85% of cases, a jam-like mucousy bloody stool is passed within six to twelve hours of onset, or bloody stools are found upon rectal examination. Fourthly, abdominal mass is often found in the right upper quadrant just below the ribs, where a slight movable intussusception mass can be palpated, resembling a sausage.

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Written by Hu Qi Feng
Pediatrics
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Is intussusception in children serious?

Intussusception is a life-threatening emergency, and its reduction is an urgent medical treatment that must be performed immediately once diagnosed. Generally, in the early stages of intussusception, the general condition is still good, with normal body temperature and no symptoms of systemic toxicity. As time progresses, the condition worsens, and there may be necrosis of the intestines or peritonitis, with overall health deteriorating. Common severe symptoms include dehydration, high fever, lethargy, coma, and shock from toxicity.

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Written by Sun Ming
General Surgery
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Can intussusception in the elderly be cured?

Intussusception in the elderly rarely heals on its own, and the likelihood of recovery without treatment is very small. This is because the causes of intestinal issues in the elderly are primarily benign, often due to cirrhosis or other reasons. Furthermore, intussusception may also occur due to tumors, which generally require surgical treatment. It is advised that if diagnosed with intussusception, it is best to undergo surgical treatment at a hospital to prevent recurrence. If it is due to a tumor, there is a risk of it becoming malignant and metastasizing.