Colon Transmission Test-Constipation
Constipation (constipation), mainly refers to the decrease in the frequency of bowel movements, the number of bowel movements in a week is less than 2-3 times, or the bowel movement is only once in 2-3 days. When the stool volume is small and dry, it is called constipation. Medical constipation is a common clinical complex symptom, not a disease. It mainly refers to the decrease in the frequency of bowel movements, the decrease in stool volume, the dryness of stool, and the laborious defecation. It is necessary to judge whether there is constipation based on the characteristics of the stool, my usual bowel habits and whether it is difficult to defecate. If more than 6 months is chronic constipation.
It occurs frequently in elderly and young women.
1. Intestinal stenosis or obstruction caused by intestinal organic disease, tumor, inflammation or other reasons.
2. Lesion of rectum and anus. Prolapse of the rectum, hemorrhoids, anterior bulge, puborectalis hypertrophy, puborectalis separation, pelvic floor disease, etc.
3. Endocrine or metabolic diseases. Diabetes, hypothyroidism, parathyroid disease, etc.
4. Systemic diseases. Scleroderma, lupus erythematosus, etc.
5. Nervous system diseases. Central brain disease, stroke, multiple sclerosis, spinal cord injury and peripheral neuropathy, etc.
6. Intestinal smooth muscle or neurogenic disease.
7. Colonic neuromuscular disease. False bowel obstruction, Hirschsprung's disease, giant rectum, etc.
8. Neuropsychological disorders.
9. Drug factors. Iron agents, opioids, antidepressants, antiparkinsonian drugs, calcium channel antagonists, diuretics and antihistamines, etc.
Colon transit function experiment to understand colon transit function.