Post-Surgery Concerns: Electrocautery Effects on Polyp Removal

Electrosurgery for polyps after fistula surgery?

Two months after undergoing surgery for a complex fistula, I returned for a check-up and found that I had a polyp.
The doctor immediately performed electrocautery on a spot just above the anus.
After returning home, I noticed that the area around the electrocautery site had a dark, charred U-shape.
Is this normal? Could it be caused by the machine being pressed against that area (I was lying on my side during the procedure)? Will the dark, charred area heal? How long will it take to heal?

Yu, 20~29 year old female. Ask Date: 2023/03/07

Dr. Zhang Shuhao reply Surgery

After electrocautery, there may sometimes be the formation of eschar due to elevated temperatures, similar to the scabbing process of a typical wound.
This eschar will slough off as the epidermis undergoes metabolic processes and will improve within a few weeks.

Reply Date: 2023/03/07

More Info

Post-surgery concerns, especially regarding electrocautery effects on polyp removal, are quite common among patients. Electrocautery is a surgical technique that uses electrical current to cut tissue and coagulate blood vessels, which can be particularly useful in procedures like polyp removal. However, it can also lead to certain side effects and concerns, such as the one you described regarding the appearance of a dark, charred area near the site of the electrocautery.

Firstly, it is important to understand that the dark, charred appearance you observed is not uncommon after electrocautery. When the electrical current is applied to the tissue, it generates heat, which can cause thermal damage to the surrounding areas. This thermal effect can lead to the formation of eschar, which is a dry, dark scab or dead tissue that forms at the site of the burn. The U-shaped dark area you described is likely a result of this thermal effect, and it is generally a normal part of the healing process.

In most cases, this charred area will gradually improve as the body heals. The eschar will typically slough off over time, and the underlying tissue will begin to regenerate. The duration for this healing process can vary depending on several factors, including the extent of the electrocautery, your overall health, and how well you follow post-operative care instructions. Generally, you can expect to see improvement within a few weeks, but it may take longer for complete healing.

It is also essential to monitor the area for any signs of infection, such as increased redness, swelling, warmth, or discharge. If you notice any of these symptoms, it is crucial to contact your healthcare provider promptly, as infections can complicate the healing process.

Regarding your concern about whether the machine being too close caused the charred area, it is possible that the proximity of the electrocautery device to the tissue could contribute to localized thermal damage. However, skilled surgeons are trained to use electrocautery effectively while minimizing unnecessary damage to surrounding tissues. If you have specific concerns about the technique used during your procedure, it would be best to discuss them with your surgeon, who can provide insights based on their experience and the specifics of your case.

In conclusion, the dark, charred area you are observing is likely a normal result of the electrocautery process and should improve over time. It is essential to keep the area clean and monitor for any signs of complications. If you have any lingering concerns or if the area does not seem to be healing as expected, do not hesitate to reach out to your healthcare provider for further evaluation and guidance. They can provide you with personalized advice and reassurance based on your specific situation.

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