Transarterial Chemoembolization ( TACE) is a minimally invasive palliative treatment for liver cancer patients who are not qualified for surgery. It is a non-surgical procedure that involves the administration of a chemotherapeutic agent to an artery through a process called embolization. By injecting an embolic agent into the blood vessels directly connected to the tumor, the chemotherapeutic agent is contained and blood flow is interrupted.
TACE aims to control the growth of tumors with lesser side effects than traditional chemotherapy treatment. Being a palliative procedure, the main goal of TACE is to alleviate symptoms and extend patient survival. While it helps shrink the size of tumors, it cannot treat cancer. Following treatment, some cancer cells may still survive and regrow. For this reason, repeated sessions may be necessary to destroy the remaining cancer cells. These sessions may be scheduled in regular 6-8 week intervals and are also helpful in controlling cancer cells while waiting on a liver transplant.
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$500 to $1,500
Before TACE, monitors are set in place to check the patient's blood pressure and heart rate throughout the procedure. A local or general anesthesia is then administered to relax or put you to sleep. A catheter is inserted into a blood vessel on the groin, which is moved upwards until it reaches the hepatic artery.
To find the arteries feeding the tumor, the surgeon performs an angiogram, which involves administering a radio-opaque dye through the catheter. Once located, a chemotherapeutic agent is injected into these arteries to block blood flow to the tumor.
The most common material used for TACE is a gelatin sponge. This is carefully soaked in a chemotherapeutic agent and an oily substance called Lipiodol before being injected into the bloodstream. The sponge keeps chemotherapy drugs confined within the tumor while the oil keeps it in place for a longer period.
In cases wherein only one lobe of the liver is affected, a minimal amount of chemotherapeutic agent is also applied to the unaffected lobe. This is to prevent cancer cells from spreading and growing in the unaffected areas.
After TACE, the catheter is carefully pulled out and ice packs are applied to the incision site to manage the swelling and prevent further bleeding.
During the pre-treatment consultation, the surgeon will discuss the risks and benefits, side effects, and possible complications so that realistic expectations can be mutually set. He will also explain how the procedure is done, and determine how much chemotherapy agent will be utilized during the treatment. This consultation is also a good avenue for the patient to raise any concerns he/she may have about TACE.
The patient will need to undergo a 2DEcho and ECG ( echocardiogram) which are both diagnostic procedures used to evaluate heart health and function.
In addition to this, there are plenty of other tests and instructions needed before treatment.
The side effects of Transarterial Chemoembolization are generally mild and minimal. Symptoms that may occur post-treatment may differ from one person to another and are largely dependent on the patient's health condition, tumor size, and overall liver function.
Most of the side effects experienced after treatment can be associated with the post-embolization syndrome. Other symptoms are determined by the patient's liver function, tumor size, and overall health condition. Some of these are as follows:
What are the recommendations for travel after undergoing this procedure?
Patients may be allowed to go home and have a short commute from the hospital 24 hours after treatment. Staying somewhere close to the hospital is strongly suggested. A companion should also be available to assist the patient with travel during the recovery phase.
What kind of patients is eligible for this procedure?
What kind of patients are not eligible for this procedure?
What type of Chemotherapy drugs are used during the procedure?
Since there are no specific standards of chemotherapy usage for TACE, these may be used alone or combined with another: