Lower Abdominal Distension: Causes and Solutions - Surgery

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Understanding lower abdominal distension can be quite complex, as it can stem from a variety of causes, ranging from benign to more serious conditions. Based on your description, it seems that you have already undergone some diagnostic tests, including a CT scan and a gynecological ultrasound, which have ruled out pregnancy and significant gynecological issues. However, the presence of "宿便" (stool accumulation) and the sensation of distension in your lower abdomen suggest that gastrointestinal factors may be at play.


Possible Causes of Lower Abdominal Distension
1. Gas and Bloating: One of the most common causes of abdominal distension is the accumulation of gas in the intestines. This can occur due to dietary choices, such as consuming high-fiber foods, carbonated beverages, or foods that are difficult to digest. When gas builds up, it can lead to a feeling of fullness and visible distension.

2. Constipation: The mention of "宿便" indicates that there may be a backlog of stool in your intestines. Constipation can lead to significant abdominal distension as the stool accumulates and stretches the bowel. This can create discomfort and a feeling of fullness.

3. Irritable Bowel Syndrome (IBS): IBS is a functional gastrointestinal disorder characterized by symptoms like bloating, abdominal pain, and changes in bowel habits. It can cause significant discomfort and is often triggered by stress or certain foods.

4. Food Intolerances: Conditions such as lactose intolerance or gluten sensitivity can lead to bloating and distension after consuming certain foods. If you notice that your symptoms worsen after eating specific items, it may be worth exploring dietary adjustments.

5. Other Gastrointestinal Disorders: Conditions such as diverticulitis, inflammatory bowel disease (IBD), or even tumors can cause abdominal distension. However, given your recent tests, these are less likely unless new symptoms arise.


Solutions and Management
1. Dietary Modifications: Keeping a food diary can help identify any foods that may trigger your symptoms. Consider reducing intake of gas-producing foods (like beans, lentils, and cruciferous vegetables) and carbonated drinks. Increasing fiber gradually can also help with bowel regularity.

2. Hydration: Ensure you are drinking enough water, as proper hydration is crucial for preventing constipation and promoting healthy digestion.

3. Regular Exercise: Physical activity can stimulate bowel function and help alleviate symptoms of bloating and distension. Aim for at least 30 minutes of moderate exercise most days of the week.

4. Probiotics: Incorporating probiotics into your diet may help balance gut bacteria and improve digestive health. Foods like yogurt, kefir, and fermented vegetables are good sources.

5. Stress Management: Since stress can exacerbate gastrointestinal symptoms, consider practices such as yoga, meditation, or deep-breathing exercises to help manage stress levels.

6. Follow-Up with Healthcare Providers: If your symptoms persist or worsen, it is essential to follow up with your healthcare provider. They may recommend further testing or refer you to a gastroenterologist for specialized care.


Conclusion
While occasional lower abdominal distension can be normal, especially if linked to dietary habits or transient gastrointestinal issues, persistent symptoms warrant further investigation. Given that you have already undergone some diagnostic tests, it may be beneficial to discuss your ongoing symptoms with your healthcare provider to explore additional management strategies or tests if necessary. Remember, maintaining a healthy lifestyle with a balanced diet, regular exercise, and stress management can significantly improve your overall gastrointestinal health.