Sigma Colonoscopy

The article was written by Master - Doctor Nguyen Thi Cam Tu - Gastroenterologist - Department of General Internal Medicine - Vinmec Times City International Hospital.

Sigma colonoscopy is used to diagnose and treat some diseases of the rectum, this is a safe technique and there are very few complications, because of the short colonoscopy time of 5-15 minutes.

1. What is Sigma Colonoscopy?

Sigma colonoscopy is a technique that inserts a flexible endoscope from the anus up to the sigmoid colon. This colonoscopy is performed both for the diagnosis and treatment of some diseases of the rectum and sigmoid colon.

2. When does a patient need a Sigma colonoscopy?

2.1 Emergency endoscopic patient

When bleeding is low intensity, there is a foreign body in the rectum.

dị vật trực tràng. — Bệnh nhân có dị vật trực tràng cần nội soi đại tràng Sigma

2.2 Prepared screening

Screening for colon cancer in people over 50 years old When the patient has unexplained abdominal pain, irregular bowel movements, loose stools, and blood in the stool Patient is over 40 years old in the family has a colon polyp. colon, colon cancer is repeated every 5 years. Follow-up after treatment for some diseases such as Crohn's, polyps Ulcerative colitis bleeding When the patient finds anemia and fatigue.

3. When does a patient not have a Sigma colonoscopy?

Patients with new or ongoing colonic perforation or peritonitis Pregnancy Heart failure respiratory failure, circulatory failure, aneurysm dissection.

viêm phúc mạc là gì — Nội soi đại tràng Sigma chống chỉ định đối với trường hợp viêm phúc mạc

4. What should the patient do before going for endoscopy?

Patient is fasting, not taking certain drugs such as iron, anticoagulants or needing to adjust diabetes medication. Medications such as blood pressure, heart and lung conditions are generally safe during a colonoscopy, and patients can continue to take them on the day of the exam. In special cases, consult your doctor. The patient was taken care of by the nurse with the enema cleaned right before the endoscopy.

5. What are the benefits of Sigma colonoscopy?

Before performing Sigma colonoscopy, the patient will be examined anus, rectum and sigmoid colon to help detect diseases such as:
Detect hemorrhoids Detect cancer of the anus, rectum or sigmoid colon and take biopsies as needed Detect polyps and possibly remove polyps Detect anal fistulas and anal lacerations.

Ung thư hậu môn có thể được phát hiện thông qua nội soi đại tràng Sigma

6. What patients may experience after endoscopy

The patient may experience bloating and discomfort in the lower abdomen, and the patient may experience bloating because air is being pumped into the rectum. After the patient has a bowel movement, the discomfort can be relieved, after going home the patient can eat normally.

7. When should a patient call the doctor back?

Patients should call their doctor when abdominal pain increases, abdominal distension, abdominal distension, fever, vomiting or bleeding from the anus.
Currently, Vinmec International General Hospital is one of the leading hospitals in Vietnam that has been equipped with the most modern gastrointestinal endoscopy equipment of Olympus with the method of endoscopy with narrow light frequency band (NBI). ) . This is a breakthrough method in screening and diagnosing cancers of the gastrointestinal tract (esophagus, stomach, duodenum and colon and rectum) at early and very early stages. NBI endoscopic images have high resolution and contrast, making it easy for doctors to detect small changes in color, morphology of cancerous and precancerous lesions that are difficult to detect with conventional endoscopy. .

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