Transanal hemorrhoidal dearterialization (or THD) is a minimally invasive surgical procedure for the treatment of internal hemorrhoids. It is the procedure of choice in the event that conservative treatment has failed and a patient is still experiencing symptoms from their internal hemorrhoids.
If you would like to schedule an appointment with a board-certified colorectal surgeon to discuss the THD procedure, please feel free to contact La Peer Health Systems’ Hemorrhoid Center of Excellence today by calling
Minimally Invasive THD Procedure
THD uses a Doppler ultrasound to locate the terminating branches of the hemorrhoidal arteries 2–3 cm above the dentate line. Once the artery is located, the surgeon uses an absorbable suture to ligate or “tie-off” the arterial blood flow. The venous “out flow” remains to “shrink” the cushion. If necessary, the surgeon will perform a hemorrhoidopexy to repair the prolapse. This is done with suture and no excision of tissue. This restores and “lifts” the tissue back to its anatomical position.
Since the entire procedure is performed above the dentate line, there is minimal discomfort. The procedure takes about 20 minutes and is offered as an outpatient surgery.
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After surgery, a high-fiber diet with plenty of liquids (approx. two litres per day) is recommended. For most patients, normal activities can be resumed on average two to three days post-op. The affected areas usually restore their normal anatomy after two to three months.
THD Surgery Risks
As with any surgical procedure, there are potential risks involved. The minor and temporary risks associated with THD include bleeding, mucous discharge, and urinary retention.
Please consult with one of our doctors to fully understand the pros and cons of the THD procedure.
Frequently Asked Questions
Q: Where are hemorrhoids treated?
A: Depending on the severity of your hemorrhoids, your doctor may perform the procedure in the hospital or doctor’s office. This will be determined after a medical consultation and examination.
Q: What is the THD procedure?
A: During the THD procedure, which is minimally invasive, the surgeon restricts only the blood vessels with Doppler-guided technology and suture. It does not involve excision, or “cutting”, of tissue. Because there is no tissue removal, there is less pain.
Q: When can I go back to normal activities?
A: THD allows for very quick recovery. Normal activities may be resumed within 4 days. Our doctors may also advise you maintain a high fiber diet.
Q: How can I prevent hemorrhoids?
A: Remember, hemorrhoids occur naturally. You can prevent aggravating hemorrhoids with regular bowel movements and stool soft. Try relieving constipation with a high fiber diet and plenty of fluid intake. Also, avoid prolonged standing, sitting, and heavy lifting, along with chronic coughing, straining during bowel movements, and aggressive wiping.
Contact Our THD Specialists
The experienced colorectal surgeons and GI specialists at La Peer Health Systems’ Hemorrhoid Center of Excellence are experts in the procedure known as transanal hemorrhoidal dearterialization, or THD. To learn more about this treatment, schedule a consultation at our Los Angeles facility today by calling (888) 742-2032 or visiting our contact page.
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