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Acute cholecystitis (Gallstones)
Alternative namesCholecystitis - acute; Gallstones - acute cholecyctitis
DefinitionAcute cholecystitis is a sudden inflammation of the gallbladder that causes severe abdominal pain .
Causes, incidence, and risk factors
In 90% of cases, acute cholecystitis is caused by gallstones in the gallbladder, which obstruct the duct leading from the gallbladder to the common bile duct (which drains into the intestine). Severe illness, alcohol abuse and, rarely, tumors of the gallbladder can also cause cholecystitis.
The trapped bile becomes concentrated and causes irritation and pressure build-up in the gallbladder. This can lead to bacterial infection and perforation. The attack may follow a large or fatty meal.
Gallstones occur more frequently in women than men, and it becomes more common with age in both sexes. Native Americans have a higher incidence of gallstones.
The main symptom is abdominal pain, particularly after a fatty meal, that is located on the upper right side of the abdomen. Occasionally, nausea and vomiting or fever may occur.
Signs and tests
A doctor's examination of the abdomen by touch ( palpation ) may reveal tenderness.
Although cholecystitis may resolve spontaneously, surgery to remove the gallbladder ( cholecystectomy ) is usually needed when inflammation frequently persists or recurs. This operation is performed as soon as possible after the onset of cholecystitis, unless the patient is very ill, or if the inflammation is thought to have been present for many days.
Occasionally, in very ill patients, a tube can be placed through the skin to drain the gallbladder until the patient recovers from the acute illness and is fit to undergo surgery.
The operation performed to remove the gall bladder is called cholecystectomy. This operation is usually performed using a laparoscope. In this technique, small (1 cm) incisions are made in the abdomen, through which are passed instruments and a fiberoptic camera.
The operation is performed using these small instruments while the surgeon watches the image on a video monitor. Laparoscopic cholecystectomy results in less pain and shorter hospitalization times than an open operation. If there is a significant amount of inflammation, difficulty defining the anatomy, or if significant bleeding occurs, a laparoscopic operation may need to be converted to an open operation, performed through a larger incision.
Emergency surgery may be necessary if gangrene (tissue death), perforation, pancreatitis , or inflammation of the common bile duct occurs.
Nonsurgical treatment consists of pain control, antibiotics to eliminate the infection, and a low-fat diet when food is tolerated after the acute attack.
When treated with a cholecystectomy procedure, the outlook is usually very good.
Calling your health care provider
Call your health care provider if severe abdominal pain persists.
Removal of the gallbladder and the contained gallstones will prevent further attacks of cholecystitis. Reduce the fat content in the diet if you are prone to attacks of cholecystitis.
Update Date: 11/18/2002James P. Dolan, M.D., Department of Surgery, University of California, San Francisco, San Francisco, CA. Review provided by VeriMed Healthcare Network.
Last updated: Tue, 06 Jan 2009 00:20:03 GMT