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Blalock-Taussig Shunt

Blalock-Taussig shunt (BT shunt) is a procedure that creates an artificial shunt between the aorta and pulmonary artery to increase blood flow to the lungs. It is a palliative surgery used for congenital cyanotic heart disease (bluish discoloration of the skin) with diminished pulmonary blood flow. This condition consists of oxygen-poor blood being pumped to the body, resulting in bluish skin. Other symptoms may include shortness of breath and rapid breathing, poor weight gain, and irritability.

This procedure is temporarily used to direct blood flow to the lungs and relieve cyanosis while the child is waiting for corrective surgery. A Blalock-Taussig shunt can improve the child’s health and quality of life. 

Risks and complications
  • Bleeding
  • Infection
  • Blockage of the shunt
  • Excessive blood flow to the lungs
  • Distortion of the pulmonary artery
  • Damage to blood vessels and nerves
  • Adverse reaction to the medication
  • Arrhythmias (irregular heartbeat)
  • Death

 

Before the procedure

  • You should plan to stay in Thailand for at least 2-3 weeks through the duration of your treatment.
  • It is recommended that you stay in a hotel close to the hospital for convenience in traveling to the hospital before and after the procedure or from the day of the procedure to the day of your follow-up appointment.
After the procedure
  • At your follow-up appointment you will undergo a physical examination and your wound will be checked. You will receive documentation regarding your surgery or procedure and all other relevant documentation for traveling.
  • Clean the incision site by bathing and using soap daily. Pat the incision dry. Do not apply any cream, lotion, or powder to the site. Please contact your doctor immediately if you notice any signs of infection.
  • When traveling by air, if you are seated in Economy Class, please choose an exit row or bulkhead seat for convenience in getting up and moving around every 15-30 minutes. Flex your ankles regularly to prevent deep vein thrombosis.
  • Please take all medication prescribed by your doctor. Carry the appropriate dosage of mediation in your carry-on luggage when you travel as well as a few extra doses in case of an emergency. Carry the prescription for all your medication to avoid problems at the airport.
The success of the procedure depends on a number of factors. Please discuss the likelihood of success with your doctor before the procedure.

What if this procedure is not performed?

With this procedure, the severity of cyanosis (blueness) is reduced. It aims to improve oxygen supply and promote growth of the pulmonary artery branches. Untreated cases usually develop severe complications over time, which may result in death or disability by early adulthood.
 

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