Etiology of constipation.
Constipation is the most common digestive tract symptom; it is not a disease. It is reported that 2 to 3 million people in the United States each year constipated people take medication to help the stool, the incidence of about 2%; a group of statistics show that about 900 people die each year from diseases related to constipation. It can be seen that constipation should not be underestimated. Constipation causes complex, can be summarized into the following four categories.
1, colorectal anus disease.
① congenital diseases, such as congenital megacolon;
② intestinal stenosis, such as inflammatory bowel disease, late trauma and stenosis after intestinal anastomosis, tumor and its metastasis caused by intestinal stenosis;
(iii) outlet obstruction, such as pelvic floor dislaxation, endorectal stenosis, perineal descent, and rectal prolapse;
④Anal canal and perianal diseases, such as anal fissure, hemorrhoids, etc;
⑤ Other: such as irritable bowel syndrome. Li Xinguang, Department of Anorectology, Weihaiwei People’s Hospital
2. Extra-intestinal diseases.
①Nervous and mental diseases, such as cerebral infarction, cerebral atrophy, paraplegia, depression, anorexia, etc;
②Endocrine and metabolic diseases, hypothyroidism, diabetes, aluminum poisoning, vitamin B1 deficiency;
③Pelvic disease, such as endometriosis, etc;
④Pharmacogenic diseases, such as stimulant laxatives (phenolphthalein, rhubarb, senna) can cause secondary constipation when taken in large quantities for a long time, narcotics (morphine), anticholinergics, calcium channel blockers, antidepressants, etc. can cause a decrease in intestinal stress;
⑤ myopathy, such as dermatomyositis, scleroderma, etc.
3, poor lifestyle habits.
① too little food, fine food, high food calories, few vegetables and fruits, little water, insufficient intestinal stimulation ;
②Low exercise, sedentary, bed-ridden, so that the intestinal power lack;
③ caused by bad defecation habits, such as elementary school students because of the short time between classes to hold back the stool, resulting in constipation.
4, social and psychological factors.
① work tension, sedentary, insufficient exercise;
② interpersonal tension, family discord, long-term mood in a depressed state, can make the plant nervous disorder, causing intestinal motility inhibition or hyperactivity;
③Life pattern change, such as travel, hospitalization, unexpected events, can lead to changes in bowel movement pattern.