A diverticulum (plural: diverticula) is a small sac or an outward pouch-like structure that is present within the large intestine. It is formed through points of weakness within the muscular wall of the intestine.
Diverticulitis is a medical condition in which one or more diverticula becomes inflamed and swollen.
Presence of diverticula is a common condition and it increases with age. In the United States, more than half of people over the age of 70 have diverticula. It is estimated that 1 in 5 people with diverticula develop diverticulitis at some stage.
Diverticula do not cause symptoms. They are present in the half of people over 70 years. When these diverticula get inflamed (diverticulitis), then you will experience one or more of the following symptoms:
Diverticula are formed within the muscular wall of the intestine through the weakened points. This condition is common with old age and low-fiber diets. In old age, the muscle walls naturally become weak. With a low-fiber diet, the constipation occurs. When you are constipated, the repeated straining and the presence of hard stool within the intestine will increase the pressure within the intestine, it will result in the formation of the outward sac or pouch (diverticula) within the weakened muscle walls.
Risk factors for Diverticulitis include:
Diverticulitis may lead to one or more of the following complications:
Your doctor will first take a detailed history and perform the relevant physical examination. Your doctor will suggest various medical tests to confirm the diagnosis. Tests may include:
People with diverticula who do not have symptoms do not require treatment. They are only diagnosed when specialized tests, such as barium enema or colonoscopy, are done for other reasons.
People with diverticulitis need treatment. If you have symptoms of diverticulitis, you should consult a doctor. Untreated cases of diverticulitis will result in complications. You may be admitted in hospital until your symptoms improve. Management includes:
Surgery is not the first-line treatment for the patients with diverticulitis. Surgery is only helpful if medicines are not effective enough to control your symptoms or complications have occurred. Surgery is performed to:
Your doctor may sew the colon to an opening in the skin on the abdomen (called colostomy). You will wear a bag over the colostomy to collect bowel movements. The colostomy is usually temporary. Your doctor will perform a second surgery to connect the two ends of the colon.
The main goal of diet and exercise is to prevent diverticula formation. It may be achieved by: