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20/Aug/2019

A colonoscopy (koh-luh-NAH-skuh-pee) allows a doctor to look inside the entire large intestine. The procedure enables the physician to see things such as inflamed tissue, abnormal growths, and ulcers. It is most often used to look for early signs of cancer in the colon and rectum. It is also used to look for causes of unexplained changes in bowel habits and to evaluate symptoms like abdominal pain, rectal bleeding, and weight loss.

What is the colon?

The colon, or large bowel, is the last portion of your digestive tract, or gastrointestinal tract. The colon is a hollow tube that starts at the end of the small intestine and ends at the rectum and anus. The colon is about 5 feet long, and its main function is to store unabsorbed food waste and absorb water and other body fluids before the waste is eliminated as stool.

Why colonoscopy is recommended?
Colonoscopy is often used to find the source of gastrointestinal problems or screen for colon cancer. Screening colonoscopy is recommended at age 50 because more than 90 percent of people who develop the cancer are 50 or older, according to the American Society of Clinical Oncology. If you have had colon cancer in the past or at high risk of developing it, your gastroenterologist may recommend that you have your first colonoscopy before age 50.

Preparation

You will be given instructions in advance that will explain what you need to do to prepare for your colonoscopy. Your colon must be completely empty for the colonoscopy to be thorough and safe. To prepare for the procedure you will have to follow a liquid diet for 1 to 3 days beforehand. The liquid diet should be clear and not contain food colorings, and may include

  • fat-free bouillon or broth
  • strained fruit juice
  • water
  • plain coffee
  • plain tea
  • diet soda
  • gelatin

Thorough cleansing of the bowel is necessary before a colonoscopy. You will likely be asked to take a laxative the night before the procedure. In some cases you may be asked to give yourself an enema. An enema is performed by inserting a bottle with water and sometimes a mild soap in your anus to clean out the bowels. Be sure to inform your doctor of any medical conditions you have or medications you take on a regular basis such as

  • aspirin
  • arthritis medications
  • blood thinners
  • diabetes medication
  • vitamins that contain iron

The medical staff will also want to know if you have heart disease, lung disease, or any medical condition that may need special attention. You must also arrange for someone to take you home afterward, because you will not be allowed to drive after being sedated.

Procedure

For the colonoscopy, you will lie on your left side on the examining table. You will be given pain medication and a moderate sedative to keep you comfortable and help you relax during the exam. The doctor and a nurse will monitor your vital signs, look for any signs of discomfort, and make adjustments as needed.

The doctor will then insert a long, flexible, lighted tube into your rectum and slowly guide it into your colon. The tube is called a colonoscope (koh-LON-oh-skope). The scope transmits an image of the inside of the colon onto a video screen so the doctor can carefully examine the lining of the colon. The scope bends so the doctor can move it around the curves of your colon.

You may be asked to change positions at times so the doctor can more easily move the scope to better see the different parts of your colon. The scope blows air into your colon and inflates it, which helps give the doctor a better view. Most patients do not remember the procedure afterwards.

The doctor can remove most abnormal growths in your colon, like a polyp, which is a growth in the lining of the bowel. Polyps are removed using tiny tools passed through the scope. Most polyps are not cancerous, but they could turn into cancer. Just looking at a polyp is not enough to tell if it is cancerous. The polyps are sent to a lab for testing. By identifying and removing polyps, a colonoscopy likely prevents most cancers from forming.

The doctor can also remove tissue samples to test in the lab for diseases of the colon (biopsy). In addition, if any bleeding occurs in the colon, the doctor can pass a laser, heater probe, electrical probe, or special medicines through the scope to stop the bleeding. The tissue removal and treatments to stop bleeding usually do not cause pain. In many cases, a colonoscopy allows for accurate diagnosis and treatment of colon abnormalities without the need for a major operation.

During the procedure you may feel mild cramping. You can reduce the cramping by taking several slow, deep breaths. When the doctor has finished, the colonoscope is slowly withdrawn while the lining of your bowel is carefully examined. Bleeding and puncture of the colon are possible but uncommon complications of a colonoscopy.

A colonoscopy usually takes 30 to 60 minutes. The sedative and pain medicine should keep you from feeling much discomfort during the exam. You may feel some cramping or the sensation of having gas after the procedure is completed, but it usually stops within an hour. You will need to remain at the colonoscopy facility for 1 to 2 hours so the sedative can wear off.

Rarely, some people experience severe abdominal pain, fever, bloody bowel movements, dizziness, or weakness afterward. If you have any of these side effects, contact your physician immediately. Read your discharge instructions carefully. Medications such as blood-thinners may need to be stopped for a short time after having your colonoscopy, especially if a biopsy was performed or polyps were removed. Full recovery by the next day is normal and expected and you may return to your regular activities.


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20/Aug/2019

Find out why a gastroenterologist may recommend a colonoscopy.

Most people have heard of colonoscopies but most people don’t really understand why they are needed. Whether you are experiencing questionable GI symptoms or not, our Orlando, FL, gastroenterologists are here to tell you about the situations in which a colonoscopy may be advised and what you can expect when you come in for this procedure.

What is a colonoscopy?

This in-office diagnostic procedure is a great way to check the health of your large intestines, or colon. A thin, flexible tube is inserted into the rectum. At the end of the tube is a small camera that allows our Orlando GI doctors to be able to check the lining of the colon and to detect any abnormalities, polyps or signs of colorectal cancer.

Who should consider getting a colonoscopy?

Even if you’ve never had any issues with your intestines or gastrointestinal system it doesn’t mean that you can’t benefit from a colonoscopy. In fact, it’s recommended that all men and women should start getting routine colonoscopies by the time they turn 50 years old. This is because the risk of colorectal cancer increases as you get older. A colonoscopy is the very best screening tool to catch cancer during its earliest stages when it’s much easier to treat.

Everyone should schedule a routine colonoscopy by the time they turn 50 years old. If everything looks healthy we may recommend that you only come in every 10 years for this procedure. If we do find and remove one or more colon polyps then we may recommend coming in every five years.

Of course, this procedure isn’t just used to detect colorectal cancer. A colonoscopy is a great diagnostic tool for those dealing with unexpected bleeding, abdominal pain, unexpected or sudden weight loss, bowel changes or persistent constipation or diarrhea. If you are dealing with unexplained or sudden intestinal symptoms a colonoscopy may be the best way to figure out what’s going on so that you can finally get the treatment you need to feel better.

Gastroenterology Institute of Orlando, FL is here to keep your GI tract feeling its best. Whether you are dealing with a chronic digestive disorder or you just turned 50 years old, we are here to ensure that you get the proper care you need.


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