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Encyclopedia > Intussusception

An intussusception is a situation in which a part of the intestine has prolapsed into another section of intestine, similar to the way in which the parts of a collapsible telescope slide into one another. The part which prolapses into the other is called the intussusceptum, and the part which receives it is called the intussuscipiens. The most frequent type of intussusception is one in which the ileum enters the cecum, however other types are known to occur, such as when a part of the ileum or jejunum prolapses into itself. Almost all intussusceptions occur with the intussusceptum having been located proximally to the intussuscipiens, however in certain, very rare cases the intussusceptum was originally distal to the intussuscipiens. The reason for this is that peristaltic action of the intestine "pulls" the proximal segment into the distal segment. The intestine is the portion of the alimentary canal extending from the stomach to the anus and, in humans and other mammals, consists of two segments, the small intestine and the large intestine. ... In anatomy of the digestive system, the ileum (not to be confused with the ilium, a pelvic bone), is the final section of the small intestine. ... In anatomy of the digestive system, the cecum or caecum is a pouch connected to the large intestine between the ileum and the colon. ... In anatomy of the digestive system, the jejunum is the central of the three divisions of the small intestine and lies between the duodenum and the ileum. ... In zootomy, several terms are used to describe the location of organs and other structures in the body of bilateral animals. ... In zootomy, several terms are used to describe the location of organs and other structures in the body of bilateral animals. ... Peristalsis is the process of involuntary wave-like successive muscular contractions by which food is moved through the digestive tract. ...


Intussusception in humans is almost exclusively a disease of the young, usually those between 2 months and 36 months old. It occurs more frequently in boys than in girls, with a ratio of approximately 3:1. The symptoms can include rectal bleeding, currant jelly stool (stool mixed with blood and mucus), sudden moderate to severe abdominal pain, a mass felt upon palpation of the abdomen, swelling of the abdomen, nausea and vomiting. In children too young to communicate their symptoms verbally, they may cry, draw their knees up to their chest or experience dyspnea. Fever usually does not present as a direct result of the intussusception itself, but rather is caused by a complication such as sepsis. Intussusception can be diagnosed by an x-ray of the abdomen, an ultrasound of the abdomen, or in the most critical cases the child may be taken to the operating room immediately to repair whatever is causing the problem, be it intussusception or some other problem. When the condition is not immediately life-threatening, the intussusception is usually treated with either a barium enema or an air-contrast enema, which both confirms the diagnosis of intussusception, and in most cases successfully reduces it, however approximately 10% of these recur within 72 hours. If it cannot be repaired by an enema or if the intestine is damaged, then a surgical reduction is necessary. In a surgical reduction, the abdomen is opened and the part that has telescoped in is pulled out manually by the surgeon or if the surgeon is unable to successfully reduce it or the bowel is damaged, the affected section will be removed. Palpation is a method of examination in which the examiner feels the size or shape or firmness or location of something (of body parts when the examiner is a health professional). ... Dyspnea (Latin dyspnoea, Greek dyspnoia from dyspnoos - short of breath) or shortness of breath (SOB) is perceived difficulty breathing or pain on breathing. ... Sepsis (in Greek Σήψις) is a serious medical condition caused by a severe systemic infection leading to a systemic inflammatory response. ... In the NATO phonetic alphabet, X-ray represents the letter X. An X-ray picture (radiograph) taken by Röntgen An X-ray is a form of electromagnetic radiation with a wavelength approximately in the range of 5 pm to 10 nanometers (corresponding to frequencies in the range 30 PHz... Ultrasound is sound with a frequency greater than the upper limit of human hearing, approximately 20 kilohertz. ... Surgery Surgery (from the Greek cheirourgia - lit. ... This rectal bulb syringe may be used to administer small enemas. ...


Intussusception is a medical emergency, as it can cause death when untreated. If an intussusception or any other severe medical problem is suspected, the person must be taken to a hospital immediately, or if that is not possible a call for help must be made. The outlook for intussusception is excellent when treated quickly, and when untreated it leads to death within 2–5 days. Fast treatment is a necessity, because the longer the intestine segment is prolapsed the longer it goes without bloodflow, and the less effective a non-surgical reduction will be. A medical emergency is an injury or illness that poses an immediate threat to a persons health or life which requires help from a doctor or hospital. ... Below are ways to call for help in an emergency. ...


  Results from FactBites:
 
intussusception (448 words)
Intussusception is a rare but dangerous condition in young children, generally ages 3 months to 6 years - more often in the first couple of years of life.
If early intussusception is suspected, a barium enema will usually be done to confirm it, and often cure it.
There was an advisory issued on July 15, 1999 concerning a possible increased risk of intussusception in the first three weeks after administration of the Rotashield® rotavirus vaccine.
Intussusception - Wikipedia, the free encyclopedia (604 words)
An intussusception is a situation in which a part of the intestine has prolapsed into another section of intestine, similar to the way in which the parts of a collapsible telescope slide into one another.
Almost all intussusceptions occur with the intussusceptum having been located proximally to the intussuscipiens, however in certain, very rare cases the intussusceptum was originally distal to the intussuscipiens.
Intussusception can be diagnosed by an x-ray of the abdomen, an ultrasound of the abdomen, or in the most critical cases the child may be taken to the operating room immediately to repair whatever is causing the problem, be it intussusception or some other problem.
  More results at FactBites »

 
 

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