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Cholangitis is an inflammation of the bile duct system that is usually related to a bacterial infection. The bile duct system is the drainage system that carries bile from the liver and gallbladder into the area of the small intestine called the duodenum. The infection may occur suddenly or may be chronic.
There are several conditions that may trigger an infection in the bile duct system. The primary cause of cholangitis is an obstruction or blockage somewhere in the bile duct system. The blockage may be from stones, a tumor, blood clots, a narrowing that may occur after a surgical procedure, swelling of the pancreas, or from parasite invasion. Other causes include a backflow of bacteria from the small intestine, a blood infection (bacteriemia), or following a diagnostic procedure such as an endoscopic examination. The infection causes pressure to build-up in the bile duct system.
Symptoms for cholangitis may be moderate to severe. The following are the most common symptoms of cholangitis. However, each individual may experience symptoms differently. Symptoms may include:
Pain in the right upper quarter of the abdomen
Jaundice (yellowing of the skin and eyes)
Low blood pressure
Decreased level of alertness
The symptoms of cholangitis may resemble other medical conditions or problems. Always consult your doctor for a diagnosis.
Cholangitis occurs more commonly in women than men. The onset is usually after age 55. Individuals who are at greater risk are those who have previously suffered from gallstones.
The pain associated with cholangitis often mimics gallstones. In addition to a complete medical history and physical examination, diagnostic procedures for cholangitis may include the following:
Blood tests, including the following:
Complete blood count (CBC). This test measures the white blood cells which can be elevated with an infection.
Liver function tests. A series of special blood tests that can determine if the liver is functioning properly.
Blood cultures. Tests to determine if there is a blood infection.
Cholangiography. An X-ray examination of the bile ducts using an intravenous (IV) dye (contrast).
Percutaneous transhepatic cholangiography (PTC). A needle is introduced through the skin and into the liver where the dye (contrast) is deposited into the bile duct and the bile duct structures can be viewed by X-ray.
Endoscopic retrograde cholangiopancreatography (ERCP). A procedure that allows the doctor to diagnose and treat problems in the liver, gallbladder, bile ducts, and pancreas. The procedure combines X-ray and the use of an endoscope, which is a long, flexible, lighted tube. The scope is guided through the patient's mouth and throat, then through the esophagus, stomach, and duodenum. The doctor can examine the inside of these organs and detect any abnormalities. A tube is then passed through the scope, and a dye is injected which will allow the internal organs to appear on an X-ray.
Magnetic resonance cholangiopancreatography (MRCP). A procedure that uses magnetic resonance imaging (MRI) to obtain pictures of the bile ducts. The machine uses radio waves and magnets to scan internal organs and tissues.
Ultrasound (also called sonography). A diagnostic imaging technique that uses high-frequency sound waves to create an image of the internal organs. Ultrasounds are used to view internal organs of the abdomen, such as the liver spleen, and kidneys, and to assess blood flow through various vessels.
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