Diverticular disease is the general name given to the condition that creates small sacs or pouches from the wall of the colon and the complications that can arise from the presence of those sacs. The term diverticulosis refers to simply having diverticula within the colon but without complications or problems from those sacs. The presence of diverticulosis can lead to several different complications such as diverticulitis, perforation, stricture, fistula, and bleeding.
Diverticulitis is an inflammatory condition of the colon that is thought to be caused by perforation of one of the individual sacs. The most common symptoms of diverticulitis are abdominal pain and fever, called simple diverticulitis. There can be several secondary complications of an attack of diverticulitis. When a secondary complication forms from an attack of diverticulitis, it is called complicated diverticulitis. These complications can include abscess formation and perforation of the colon with peritonitis. An abscess is a pocket of pus that the body has walled off. Peritonitis is an infection that spreads freely within the abdomen. Peritonitis often causes patients to become quite sick and may be life-threatening.
Other complications of diverticulosis include bleeding, formation of narrowing of the colon that does not easily let stool pass (called a stricture), or formation of a tract with another organ or the skin (called a fistula ). When a fistula forms, it most commonly connects the colon to the bladder. It may also connect the colon to the skin, uterus, vagina, or another portion of the bowel.
The most commonly accepted theory as to why diverticulosis occurs is that high pressure within the colon, which may be caused by a diet low in fiber and high in red meat, causes weak areas of the colon wall to bulge out and form sacs. At present, it is not well understood how these sacs become inflamed and cause diverticulitis.
Diverticulosis often causes no symptoms and is often diagnosed during tests such as screening colonoscopy. Diverticulitis is often characterized by fever and lower abdominal pain. A CT scan of the abdomen and pelvis is frequently used to confirm the diagnosis.
Most people with diverticulosis will not have symptoms. People with diverticulosis are advised to eat a diet high in fiber and fruits and vegetables and low in red meat.
Most cases of diverticulitis can be treated with antibiotics either by mouth or by intravenous (IV) route. Diverticulitis with an abscess may be treated with antibiotics and a drain placed under x-ray guidance.
Surgery for diverticular disease is indicated in the following circumstances:
Surgery for diverticular disease usually involves removal of the affected segment of colon. It may or may not involve creation of a colostomy or ileostomy (intestine brought out through the abdominal wall to drain out into a bag). The choice of operation to treat diverticular disease depends greatly on the exact circumstances surrounding each patient. The risks factors and patient condition will be discussed with Dr. Schultzel. Dr. Schultzel used robotic surgery to remove the segment of affected colon.
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