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During colorectal surgery, parts of the colon or rectum are surgically removed. You will be given instructions on how to prepare for your surgery. Follow these instructions carefully. You will likely be admitted to the hospital on the day of your surgery. In certain cases, admission to the hospital the day before is needed. To help prepare your body, you will be instructed on what to do before surgery. Follow these instructions carefully. Ask questions if something is unclear.
Have a thorough physical exam as instructed by your doctor.
Ask about medications. Tell your surgeon about all medications you take, and ask whether you should stop taking them. This includes prescription medications, aspirin, and other over-the-counter drugs. Mention any herbs or supplements you take.
Quit smoking. Smoking increases surgery risks and slows healing.
Have only clear liquids. For 12–24 hours before your surgery, you will be told not to eat any solid foods and to drink only clear liquids. These liquids include broth, black coffee, gelatin, and clear fruit juice.
Do your bowel prep. To be sure your colon is clear of stool, you’ll be asked to do a bowel prep for 12–24 hours before surgery. This involves drinking a liquid laxative, using enemas, or both.
Make sure your stomach is empty. Do not have anything to eat or drink, including water and chewing gum, after midnight the night before surgery. (Your bowel prep liquid is okay to drink during this time.) If you are asked to take antibiotic pills before surgery, take them with small sips of water.
When you arrive at the hospital, you will be asked fill out certain forms. You will then change into a gown. An IV (intravenous) line will be inserted into your arm. This provides fluids and medications. You’ll meet with your anesthesiologist or nurse anesthetist to discuss the medication that helps you sleep during surgery. Ask any questions you have at this time. Before surgery begins, you’ll be given general anesthesia to put you into a deep sleep. A soft tube called a catheter may be placed into your bladder to drain urine.
Your surgery will be done through one incision in your abdomen. This is called open surgery. The incision may be several inches long. Your surgeon can tell you about the incision you will have.
The problem part of the colon is resected (removed). Sometimes the two ends of the colon are joined. This is called an anastomosis.
Once surgery is done, you’ll be taken to a recovery room.
The idea of having part of your colon removed may sound scary. But part or all of the colon can be resected (removed) without causing serious problems. After the section of bowel is removed, the two ends are then reconnected (anastomosis). Below are some of the surgeries that can be performed on the colon. The type of surgery depends on the location of the colon problem.
Part or all of the ascending (right side) colon is removed. The remaining colon is then reconnected to the small intestine.
Part or all of the descending (left side) colon is removed. The remaining colon is then reconnected to the rectum.
Sigmoid Colectomy (Sigmoidectomy):
Part or all of the sigmoid colon is removed. The descending colon is then reconnected to the rectum.
Risks and possible complications of colon surgery include the following:
Injury to nearby organs, such as the kidneys
Leaking or separation of anastomosis
Risks of anesthesia