前交叉韧带损伤康复指南：完全康复的步骤

Overview

Diverticula are small, bulging pouches that can form in the lining of your colon (large intestine). When these pouches become inflamed or infected, the condition is called diverticulitis. Diverticulosis is the term for having diverticula without inflammation or symptoms, and it affects roughly 50% of adults over 60 in the U.S. Most people with diverticulosis never develop diverticulitis, but when it occurs, it can range from mild and self-limiting to life-threatening.

Signs & Symptoms

Diverticulitis symptoms usually come on suddenly and can range from mild to severe. The most common symptom is constant, severe abdominal pain, typically on the lower left side of the abdomen (lower right in some people of Asian descent). Other common symptoms include:

• Fever and chills
• Nausea and vomiting
• Constipation or diarrhea
• Abdominal bloating and tenderness
• Blood in the stool (rare)

Causes & Risk Factors

Diverticulitis happens when diverticula become blocked by waste or bacteria, leading to inflammation and infection. You are at higher risk if you:

• Are over 40 years old
• Have obesity
• Smoke tobacco
• Are physically inactive
• Eat a diet low in fiber and high in processed foods and red meat
• Take regular nonsteroidal anti-inflammatory drugs (NSAIDs) like ibuprofen or naproxen
• Have a family history of diverticular disease

Diagnosis

Your doctor will start with a physical exam to check for abdominal tenderness, plus questions about your symptoms and medical history. To confirm diverticulitis and rule out other conditions like appendicitis or inflammatory bowel disease, you may need a blood test to check for signs of infection, and a CT scan of the abdomen, which is the most accurate way to diagnose diverticulitis and check for complications. A colonoscopy is usually scheduled after your flare-up heals to rule out other colon issues.

Treatment & Management

Treatment depends on how severe your condition is. Uncomplicated diverticulitis (no tissue damage or spreading infection) is usually treated at home with a short course of antibiotics (though recent guidelines suggest they may not be needed for very mild cases), a temporary liquid diet for 2-3 days to rest your colon, rest, and pain relievers like acetaminophen (avoid NSAIDs, as they can worsen inflammation). Complicated diverticulitis (with abscess, perforation, or bowel obstruction) requires hospitalization for IV antibiotics, possible drainage of abscesses, and sometimes surgery to remove the damaged part of the colon.

Living With It

Long-term management focuses on preventing future flare-ups. The most important step is eating a high-fiber diet (25-30 grams of fiber per day) from whole grains, fruits, vegetables, legumes, nuts, and seeds. Note that old advice to avoid nuts, seeds, and corn is no longer recommended, as research shows these foods do not increase flare-up risk for most people, though you may want to avoid any foods that trigger your personal symptoms.