Your surgeon suggested a minor procedure called "Banding Ligation of Hemorrhoids" for you if you have hemorrhoids. These rubber bands can be used to treat hemorrhoids. They are very comfortable and don't hurt. He seems very relaxed about it all. 

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Hemorrhoids: Types, Causes, and Treatments - Scientific Animations

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Although the procedure is generally painless and safe, complications can occur. These are some of the most common:

1. Pain

It can occur immediately after the band has been applied. This is often caused by the surgeon placing the band too low into the anal canal. If this is the case, the band must be immediately removed and reapplied higher up in the anal channel. 

2. Bleeding

Normal bleeding occurs within the first bowel movement following the procedure. Patients can experience severe bleeding that requires hospitalization or blood transfusions.

3. Sepsis and Infection

Although rare, the infection can occur. Sepsis refers to the infection caused by bacteria in the bloodstream from the banded tissue. This is a serious condition that requires hospitalization. Potent antibiotics can be administered intravenously.

4. Hemorrhoids with thrombosis

Around 1 in 20 patients can have their hemorrhoids thrombosed (with blood vessels clotted). This is a very painful condition and requires immediate surgery.

5. Anal fissures, ulcers

About 1% of patients who receive banding have ulcers or fissures. This happens because the banded tissues are sloughed off. The painkillers usually do not cause any serious side effects. Some patients may need surgery to repair fissures or ulcers.

6. Slippage of bands

If too much tissue is used, slippage can occur. It is not harmful, but it can also cause injury. The surgeon will usually perform a second procedure if there is band slippage.