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What is a Tricuspid Atresia?

Tricuspid Atresia is a congenital heart defect in which the tricuspid valve does not form, preventing normal blood flow from the right atrium to the right ventricle. The right ventricle is often underdeveloped, and babies usually have an opening between the atria, such as an atrial septal defect, to allow blood to reach the left side of the heart. Other defects, including a ventricular septal defect or patent ductus arteriosus, may also help maintain blood flow to the lungs; symptoms and treatment depend on the amount of pulmonary blood flow and associated heart abnormalities.

What is the Importance of Timely Treatment?

Timely treatment is essential because tricuspid atresia can restrict blood flow to the lungs and reduce oxygen delivery to the body. Newborns may require immediate stabilisation, including prostaglandin medication when necessary to maintain ductal blood flow, and procedures to improve pulmonary blood flow or blood mixing. Early specialist care helps manage oxygen deficiency, support growth, and reduce the risk of serious complications. Lifelong congenital heart follow-up remains necessary after treatment.

What are the Common Symptoms of Tricuspid Atresia?

  • Cyanosis: Bluish or greyish skin, lips, or nails may appear soon after birth because of low blood oxygen levels.
  • Breathing Difficulties: Rapid or difficult breathing may occur when the baby receives inadequate oxygen or has associated heart problems.
  • Poor Feeding: Babies may have difficulty feeding, tire easily during feeds, or take longer to feed.
  • Weak Pulse: Reduced oxygen delivery and impaired circulation may contribute to weak pulses.
  • Rapid Heartbeat: A fast heartbeat may occur as the heart attempts to maintain adequate circulation.
  • Poor Weight Gain: Babies with significant congenital heart disease may have difficulty gaining weight and growing normally.

Causes and Risk Factors of Tricuspid Atresia

Causes

  • Abnormal Heart Development: Tricuspid atresia develops during fetal heart formation when the tricuspid valve forms abnormally, preventing direct blood flow from the right atrium to the right ventricle.
  • Underdeveloped Right Ventricle: Because normal blood flow through the tricuspid valve is absent, the right ventricle is often small or underdeveloped.
  • Associated Heart Defects: An atrial septal defect or patent foramen ovale is needed for blood to leave the right atrium, while a ventricular septal defect and other abnormalities may influence blood flow to the lungs.

Risk Factors

  • The exact cause of most cases is unknown, and no identifiable risk factor may exist. Some congenital heart defects are associated with genetic or chromosomal factors, but most cases of tricuspid atresia have no identified inherited cause.

Latest Research and Technologies in the Treatment of Tricuspid Atresia in the United Arab Emirates

  • Management of tricuspid atresia involves specialist assessment, advanced cardiac imaging, and staged surgical palliation tailored to the patient's anatomy and pulmonary blood flow. An emerging application of advanced imaging and computational modelling rather than an established routine procedure for all patients with tricuspid atresia. Echocardiography, cardiac MRI, and cardiac catheterisation may also support diagnosis, treatment planning, and long-term assessment when clinically indicated.

Treatment options for Tricuspid Atresia

Ductal Stenting: In selected babies, clinicians may place a stent in the ductus arteriosus to maintain pulmonary blood flow and reduce the need for an early surgical shunt.

Systemic-to-Pulmonary Artery Shunt: A surgeon may create a shunt to increase blood flow to the lungs when the baby's anatomy requires more pulmonary blood flow.

Balloon Atrial Septostomy (BAS) : A cardiologist performs a BAS (also known as a Rashkind procedure). They insert a thin, flexible tube called a catheter into a blood vessel, usually in the groin, and thread it up to the heart.


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Bidirectional Glenn Operation : In this staged procedure, the superior vena cava is connected directly to the pulmonary arteries, allowing blood from the upper body to flow to the lungs without passing through the right ventricle.

Fontan Procedure : The final major stage of palliation connects venous blood from the lower body to the pulmonary arteries, allowing blood to reach the lungs without ventricular pumping. Selected patients may undergo a fenestration.

Heart Transplantation : Rarely, transplantation may be considered when the heart becomes severely weakened or when the Fontan circulation fails, and other treatments are unsuitable.

  • Clinical assessment:
    • Prenatal Assessment: Routine pregnancy ultrasound may raise suspicion of tricuspid atresia, followed by fetal echocardiography for detailed assessment.
    • Medical and Birth History: Assessment includes pregnancy history, delivery details, cyanosis, breathing, feeding, and associated congenital conditions.
    • Physical Examination: Evaluation of skin colour, breathing, heart sounds, pulse, blood pressure, oxygen saturation, and signs of poor circulation.
    • Electrocardiogram (ECG): May provide information about heart rhythm and electrical activity.
    • Blood Tests: Blood gases, glucose, electrolytes, blood counts, and other tests may be used during neonatal stabilisation and treatment.
  • Imaging Tests:
    • Fetal echocardiography and TTE: Keep these as key diagnostic tests for prenatal assessment and postnatal confirmation.
    • Chest X-ray: State that it may help assess heart size and pulmonary blood flow but cannot confirm tricuspid atresia.
    • Cardiac CT and MRI: Clarify that these are selected tests for anatomical assessment, surgical planning, ventricular function, or follow-up—not routine tests for every newborn.

MediRehab (a chain of Rehab centres, part of MediGence) provides comprehensive tele-rehabilitation services designed to support Tricuspid Atresia patients in the United Arab Emirates. These services include:

  • Cardiac Rehabilitation: Selected children and adults may benefit from structured rehabilitation according to cardiac function and treatment history.
  • Gradual Physical Activity: Increase activity according to oxygen levels, ventricular function, symptoms, rhythm status, and congenital heart specialist advice.
  • Paediatric Developmental Support: Children with complex congenital heart disease may require developmental assessment and early supportive interventions.
  • Occupational Therapy: Selected children may benefit from support with age-appropriate functional activities and independence.
  • Exercise Assessment: Older children and adults may undergo exercise testing to guide safe physical activity.
  • Medicines used in tricuspid atresia depend on the baby's anatomy, oxygen levels, pulmonary blood flow, ventricular function, and stage of treatment. It includes diuretics, may be used to manage fluid retention or heart failure. After surgical palliation, selected patients may require medicines to manage heart rhythm problems, reduce clotting risk, or address other complications. Medication decisions should be individualised by the congenital heart team.

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Hospitals for Tricuspid Atresia in United Arab Emirates

Iranian Hospital: Top Doctors, and Reviews
Iranian Hospital

Dubai, United Arab Emirates

Design structure of any hospital is very important. It shows the level of concern that a Hospital is considering for its patients’ comfort.

As a whole, Iranian Hospital is equipped with 187 premium beds, 35 speciality clinics, 10 ICU Beds, 12 Neonatal ICU beds, 9 CCU beds, 8 Operation Theatres and 24 Paediatric beds.

The Hospital has medical & comfort facilities for both the segments:

  • Inpatients
  • Outpatients

Inpatient Services:

  • 24*7 Emergency Services- consist of 18 general beds, 3 VIP Acute care and 1 Isolation room
  • ICU: 19 beds plus one VIP suite room
  • CCU: 8 beds plus one VIP suite room
  • Internal Medicine ward with 2 VIP Patient suite rooms and 26 beds
  • For health tourists, Global Healthcare Department is present with VIP ward with 10 VIP Suite rooms
  • Surgical wards on gender basis (Men or Women)- 21 beds each + 1 VIP suite room
  • Surgery ward for Day care- 6 beds + 2 private suite rooms
  • 8 Operating rooms fully equipped with modern equipment for laparoscopic surgery
  • Fully equipped Cath-lab with 4 beds recovery unit _ immediate access to operating room for cardiac surgery
  • 38 beds + 1 VIP Suite room for Gynecology and obstetrics
  • 6 labor and 3 delivery beds in labour ward + 1 Emergency room for obstetrics OR
  • 12 beds in Neonatal ICU (NICU)
  • 24 beds + 2 VIP suite rooms in Paediatric ward
  • An Intensive Care Unit with 4 beds and 1 isolation unit for Paediatrics

Outpatients Sevices: Speciality clinics such as General Physician clinics, surgical clinic, Cosmetic & Aesthetic clinic, Ophthalmology clinic, Dentistry, Paediatrics clinic, etc. When it comes to accommodation, people get very conscious while choosing the Hospital. Iranian Hospital is the best at it as Hospital rooms are like luxury apartments equipped with all the amenities required by patients and their families. Services available at the Hospital during stay:

  • Private & shared rooms
  • Nurse call system by the bed
  • Specialized menus for specialized diets are prepared and screened individually by experienced dieticians. Guest trays are available as per request
  • Cleaning & Repairing of rooms to maintain cleanliness & hygiene
  • Each hospital bed has its own telephone extensions

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Kings College Hospital Dubai: Top Doctors, and Reviews
Kings College Hospital Dubai

Dubai, United Arab Emirates

Apart from in-detail treatment procedures available, Kings College Hospital Dubai located in Dubai, United Arab Emirates has a wide variety of facilities available for International Patients. Some of the facilities which are provided by them are Accommodation, Airport Transfer, Choice of Meals, Interpreter, SIM, TV inside room. Also listed below are some of the most prominent infrastructural details:

  • 100 beds in the Hospital
  • Operation Theatres
  • Special Intensive Care Units
  • 24*7 Emergency Department
  • Covid-19 Treatment Clinic
  • Wound & Stoma care center
  • Doctor on call (Telemedicine) is also available
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Thumbay University Hospital, Ajman: Top Doctors, and Reviews
Thumbay University Hospital, Ajman

Ajman, United Arab Emirates

Thumbay University Hospital, Ajman located in Ajman, United Arab Emirates is accredited by JCI. Also listed below are some of the most prominent infrastructural details:

  • The hospital has a 250 bed capacity.
  • Excellent quality of healthcare facilities and services at par with developed countries.
  • Multilingual and multinational healthcare professionals working in the Thumbay Hospital Ajman (belonging to 20 nations and fluent in 50 plus languages).
  • Equipped with the newest facilities to ensure highest standards of healthcare delivery to patients at economical costs.
  • Dedicated, compassionate and highly educated healthcare professionals work in Thumbay Hospital Ajman.
  • Well developed diagnostic facilities are also available.
  • A 24/7 functioning emergency care department and advanced facilities in Radiology.
  • There is presence of an ultramodern Catheterization Lab (Cath Lab) and Electrosurgery Cryotherapy in dermatology, Interlocking intramedullary nailing.
  • Also available under dental departments Panoramic, digital intra-oral X-rays, Cephalogram are present.
  • Some of the important specialties in Thumbay Hospital Ajman are:
    • Ear, nose, and throat
    • Cardiovascular
    • Bariatric surgery
    • General surgery
    • Urology
    • Nephrology

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Why Choose the United Arab Emirates for Tricuspid Atresia Treatment?

  • Experienced Paediatric Cardiac Specialists: Access to paediatric cardiologists, congenital heart surgeons, cardiac intensivists, and specialists experienced in complex congenital heart disease.
  • Advanced Newborn Cardiac Care: Specialised centres may provide neonatal intensive care, continuous monitoring, respiratory support, and urgent cardiovascular stabilisation.
  • Cardiac Catheterisation Facilities: Eligible patients may have access to ductal stenting, diagnostic catheterisation, and other catheter-based procedures.
  • Multidisciplinary Heart Teams: Paediatric cardiologists, cardiac surgeons, intensivists, anaesthesiologists, imaging specialists, nurses, nutritionists, and rehabilitation professionals can coordinate complex care.
  • International Patient Support: Many major UAE hospitals assist international patients with medical records, appointments, treatment coordination, accommodation, and follow-up.

Frequently Asked Questions

Tricuspid atresia usually requires staged treatment rather than a single procedure. Recovery after each procedure varies, and the overall treatment pathway may extend through infancy and early childhood. Lifelong cardiac follow-up is required because the surgical procedures improve circulation but do not cure the underlying congenital heart defect.

A newborn with untreated tricuspid atresia may have critically low oxygen levels and requires urgent medical treatment rather than routine physical activity. After staged treatment, many children and adults can walk and remain active, but activity should be individualised according to oxygen saturation, ventricular function, heart rhythm, Fontan circulation, and specialist advice.

Many advanced UAE paediatric cardiac centres provide fetal and postnatal echocardiography, neonatal intensive care, cardiac catheterisation, ductal interventions, surgical shunts, Glenn and Fontan procedures, advanced cardiac imaging, and long-term congenital-heart follow-up.

Several UAE hospitals have international patient departments that assist overseas families with medical records, appointments, treatment coordination, accommodation, interpretation where available, and follow-up arrangements. However, critically ill newborns require immediate local stabilisation and should not have urgent treatment delayed for international travel.

Look for a centre with paediatric cardiologists, congenital-heart surgeons, neonatal cardiac intensive care, advanced echocardiography, cardiac catheterisation facilities, and experience with staged single-ventricle procedures such as the Glenn and Fontan operations. Access to lifelong congenital heart follow-up is also important.

The outcomes depend on the baby's anatomy, pulmonary blood flow, ventricular function, associated heart defects, oxygen levels, surgical stage, and postoperative complications. The treating congenital heart team can discuss expected outcomes based on the individual clinical condition

Many specialised paediatric cardiac centres have multidisciplinary teams experienced in managing complex congenital heart conditions, including neonatal stabilisation, catheter-based procedures, staged surgical palliation, postoperative intensive care, and long-term congenital-heart follow-up.

Risks depend on the patient's condition and the procedure performed. Catheter-based procedures may involve bleeding, blood-vessel injury, infection, arrhythmias, or other complications. Surgical procedures may involve bleeding, infection, rhythm disturbances, blood clots, neurological complications, organ dysfunction, or problems with the surgical circulation.

Blue or grey skin, breathing difficulties, poor feeding, unusual sleepiness, or signs of poor circulation in a newborn require immediate medical assessment. Tricuspid atresia can cause dangerously low oxygen levels and may require urgent stabilisation and specialist treatment. Seek emergency medical care immediately rather than waiting for an appointment or arranging travel abroad.

Tricuspid atresia does not directly cause physical or skeletal deformities. However, the condition and staged surgeries can be associated with long-term cardiac complications that may affect exercise capacity, development, or physical functioning. Lifelong congenital heart follow-up is important.

Yes. Tricuspid atresia and its treatment can affect exercise capacity, oxygen levels, daily activities, development, and overall well-being. Many people who undergo successful staged treatment can live active, productive lives, although they may still need ongoing medical care and guidance on individual activities.

Yes. Untreated tricuspid atresia can cause severe low oxygen levels, inadequate blood flow to the lungs and body, heart failure, and potentially life-threatening complications. Even after surgical treatment, patients require lifelong monitoring because arrhythmias, ventricular dysfunction, blood clots, fluid retention, and other complications may develop over time.

Tricuspid atresia develops during fetal heart formation and generally cannot be prevented. The exact cause is unknown in most cases. Appropriate prenatal care and management of maternal health conditions can support overall pregnancy health, while prenatal screening and fetal echocardiography may help identify the condition early.

Tricuspid atresia can occur in any pregnancy, and most cases do not have a clearly identifiable cause. Some congenital heart defects may be associated with genetic or chromosomal factors, but most babies with tricuspid atresia do not have a known preventable risk factor.

Author

Tanya Bose
Tanya Bose

MSc Biotechnology

4 Years of Experience

Tanya Bose is a medical content specialist with a strong medical background. She has completed her Bachelor's and Master’s in Biotechnology from Amity University. With a deep understanding of biomedical sciences and research, she develops authoritative and patient-focused medical content covering treatments, surgical procedures, and healthcare innovations. Her writing emphasizes accuracy, clarity, and evidence-based information to help readers better understand complex medical topics. She is dedicated to improving patient awareness and supporting informed healthcare decisions by delivering trustworthy medical insights in a clear and accessible format. View More

Reviewer

Dr. Nityanand Tripathi
Dr. Nityanand Tripathi

Interventional Cardiologist

29 Years of Experience

With a rich experience of more than 29 years, Dr. Nityanand has gained a vast spectrum of skills and expertise in performing all types of complex cardiac procedures. He is an expert in clinical & interventional cardiology and electrophysiology. He studied his medicine (MBBS) and MD from the Institute of Medical Sciences of Banaras Hindu University, Varanasi, and later completed his DM in Cardiology from the prestigious King George Medical University, Lucknow. View More

Last Reviewed - January 2026