Who should undergo colonoscopy?

Although colonoscopy is a very common examination, some people have even made it a necessary examination item in ordinary physical examination. Colonoscopy can effectively monitor our intestinal health. If there is a lesion, we can detect it early and treat it early. Generally, most intestinal diseases do not have any symptoms in the early stage of the body. Many people are in the late stage after intestinal disease examination. So who needs colonoscopy?

1. Unexplained abdominal discomfort, diarrhea, abdominal pain, blood in the stool, black stool, positive occult blood in stool examination, change in bowel habits, abdominal mass, weight loss, anemia, suspected colon, rectum, and terminal ileum lesions;

2. Barium enema reveals intestinal stenosis, ulcers, polyps, cancer, diverticula and other lesions, and a biopsy is required to further clarify the nature of the lesion;

3. Metastatic adenocarcinoma, looking for the primary lesion;

4. Diagnosis and follow-up of ulcerative colitis, Crohn's disease, etc.;

5. Perform treatments such as hemostasis and polyp removal;

6. Screening of high-risk groups for colorectal cancer;

7. Postoperative review of colorectal cancer and colorectal polyps;

8. People with long-term constipation, long-term oral laxative treatment, and difficulty in defecation.

9. Health checkup for people over 40 years old who have never had a colonoscopy.

Those patients are not suitable for colonoscopy at this time

1) Severe suppurative inflammation of the anus and rectum, such as perianal abscess, or painful lesions such as anal fissures. Because conducting an examination under these circumstances may lead to the spread of infection, causing unbearable pain to the patient, etc.;

2) Various acute enteritis, severe ischemic diseases and radiation colitis, such as active bacillary dysentery, acute stage of ulcerative colitis, especially the fulminant type. Because in the case of intestinal inflammation, edema and congestion, the intestinal wall tissue is thin and the compliance is reduced, which makes intestinal perforation more likely to occur;

3) During pregnancy, the indications should be strictly followed and the examination should be performed with caution. It is generally not advisable to perform the examination during menstruation to avoid ascending infection;

4) In cases of peritonitis, intestinal perforation, etc., it is not advisable to conduct examinations to avoid exacerbating the condition;

5) When there are extensive adhesions in the abdominal cavity and intestinal stenosis caused by various reasons, which makes it difficult to insert the endoscope, do not force the examination to continue, so as to avoid tearing of the adhesion band, mesentery or intestinal wall;

6) Patients who are extremely weak, elderly, or have a history of severe cardiovascular and cerebrovascular diseases and cannot tolerate the examination must be cautious;

7) Children and mentally ill patients should not be examined. If necessary, the examination can be performed under anesthesia.

8) Advanced stage cancer with extensive intra-abdominal metastasis;

Things to note after colonoscopy

1. After the inspection, you need to observe for 30-60 minutes and confirm that there is no abnormality before leaving.

2. There is gas injection during colonoscopy. You may experience mild abdominal distension and pain after the examination. Don't be nervous. Gently massage your abdomen and anus.

The pain can be relieved after passing gas or having a bowel movement. If you experience severe abdominal pain, you need to go to the hospital immediately.

3. Patients who have not undergone biopsy and endoscopic treatment can eat a light diet after the examination.

4. Patients who undergo biopsy and polyp removal may have a small amount of blood in their stool after the operation. Generally, no special treatment is required. If there is a lot of bleeding, you should go to the hospital immediately. Such patients generally eat a low-residue diet first, and can eat normally if there is no blood in the stool.

5. You cannot drive or work at heights for 24 hours after the painless colonoscopy.