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Oesophageal atresia (OA) and tracheo-oesophageal fistula (TOF)

From your antenatal scans there are indications your baby may have oesophageal atresia which is usually with a tracheo-oesophageal fistula. This leaflet is to help you understand the condition and what will usually happen to your baby if they are diagnosed with Oesophageal Atresia, and are transferred to the Neonatal Surgical Unit (NSU) at the Sheffield Children’s NHS Foundation Trust for treatment and care.

What is oesophageal atresia (OA) and tracheo-oesophageal fistula (TOF)?

It is a rare condition which can occur in 1 in 3500 to 1 in 5000 births. The oesophagus (food pipe) often referred to as the gullet, has not formed properly. This means food cannot pass from the mouth to the stomach. The oesophagus has a gap (an atresia) in it. Some babies have just Oesophageal Atresia (pure OA) but the majority of babies who are born with oesophageal atresia also have trachea-oesophageal fistula. This is where one end of the oesophagus joins itself to the trachea (wind pipe).

Illustration of oesophageal atresia showing fistula and upper pouch

How is this diagnosed?

Your antenatal scans have indicated your baby may have oesophageal atresia due to some observations about you and your baby. This includes polyhydramnios (more amniotic fluid than normal) and that your baby’s stomach has not been clearly seen. Further tests including a MRI may be organised by your obstetrician to obtain more information. Oesophageal atresia cannot be definitively diagnosed until after your baby is born.

After your baby is born a tube (nasogastric tube) will be passed through your baby’s nose in an attempt to pass it down in to the stomach. If this is not possible an X-ray will be taken. If the end of the nasogastric tube is seen on the X-ray to be in the pouch (blind end) of the oesophagus and not in the stomach, it will confirm your baby has oesophageal atresia.

When, how and where will my baby be born?

The aim will be for your baby to be born at the Jessop Wing, Royal Hallamshire Hospital in Sheffield. Your obstetrician will closely monitor your baby, and they will recommend when and how your baby will be born. They will discuss this with you.

What will happen when my baby is born and the diagnosis of oesophageal atresia has been made?

When you baby is born they will be seen by the neonatologists (baby doctors) and taken to the Neonatal Intensive Care Unit (NICU) at the Jessops Wing to be assessed, observed and to confirm if your baby has oesophageal atresia. The surgeons may come to see and assess your baby on NICU if they are not transferred to the Neonatal Surgical Unit shortly after being born.

Your baby will have a special tube called a ‘Replogle’ tube passed through their nose and in to the upper pouch of the oesophagus. This tube helps to remove the saliva from the oesophagus, to keep your baby safe and comfortable.

A plastic tube, often called a ‘drip’ (intravenous cannula) will be inserted in to your baby’s vein to give intravenous fluids, antibiotics and other medicines your baby may need. Your baby will not be able to feed, and will need an operation.

Your baby will be attached to a monitor for recording their heart rate, breathing rate, oxygen level and blood pressure. Some babies may have breathing difficulties when they are born and may require some extra help. This will be explained to you by the doctors at the time.

When will my baby go to the Neonatal Surgical Unit (NSU)?

When your baby is stable and there is a bed for your baby on the NSU they will be transferred there by Embrace. Embrace are a specialist transport team who are experienced in transferring babies, including those who have oesophageal atresia. Sometimes your baby may need to stay on NICU for a longer period of time before being transferred to NSU. In this situation the surgeons will come to NICU to review and be involved in your baby’s treatment there.

How will my baby’s oesophageal atresia be treated?

Your baby will need an operation to repair the oesophageal atresia (OA) and if present, the tracheo-oesophageal fistula (TOF). The surgeons will explain the operation to you and you will need to give consent. You will also be seen by an anaesthetist because your baby will need a general anaesthetic for the operation.

Pure OA

If your baby has pure OA they will have an operation on their abdomen (tummy) initially. They will have a special feeding tube put in their stomach called a gastrostomy. This will all be explained to you at the time.

OA and TOF

If your baby has OA and an associated TOF, the operation your baby will have is performed through the chest. This may be done as keyhole surgery (thorascopically) or as open surgery. The fistula (TOF) will be repaired by separating the oesophagus from the trachea, and the trachea will be repaired at the place where the oesophagus had joined it. The OA will be repaired by joining the 2 ends of the oesophagus to form a continuous passage from the mouth to the stomach. A nasogastric tube will be passed into your baby’s stomach at the end of the operation.

In rare cases the gap between the 2 ends of the oesophagus is too big to enable the ends of the oesophagus to be joined. This is called ‘long gap oesophageal atresia’. If this is the situation the surgeons will talk to you about how they will treat and manage your baby.

What happens after the operation?

Usually after the operation your baby willneed help with their breathing for a short period time to help with pain, healing and to enable your baby to rest. Your baby may need to spend a period of time on the Paediatric Intensive Care Unit. This will be explained to you at the time.

Your baby will be given pain relief and will be continued to be monitored closely. Your baby will be able to start milk soon after the operation. If your baby had a TOF they will initially have their milk slowly through the nasogastric tube. After a few days they should be able to start having small amounts by bottle. The volume of milk your baby has will be slowly increased as they recover and show us signs they can take and tolerate their milk well.

As your baby recovers you will be able to commence breast feeding if you wish to do so. If your baby had a pure OA they will have their milk via their gastrostomy. This too will be slowly increased as the baby tolerates having the milk.

Occasionally some babies need to have intravenous feeding whilst having milk feeds introduced. This is called parenteral nutrition (PN) which provides all the nutrients your baby needs to grow which they would normally get from milk. PN is given via a special ‘drip’ in their veins. This will be explained to you at the time.

What milk can my baby have?

Breast milk is very important for every baby but especially if your baby is poorly.

If you wish to breast feed or give your baby your breast milk we will support and help you in expressing your breast milk and establishing breast feeding. Your midwife can help you to start expressing after your baby has been born. We have facilities on NSU for expressing and there are infant feeding specialists in the hospital who can advise and support you with this as well as the NSU nurses. Your breast milk can be frozen until your baby is ready to have it. You can also use your colostrum and breast milk for your baby’s mouth care.

If you do not wish to express your breast milk or are unable to do so, your baby can have formula milk of your choice. Occasionally the surgeons may wish your baby to have a special prescription milk formula. This will be discussed with you at the time.

Will my baby have other problems?

Sometimes babies with OA and TOF can have associated medical and, or genetic problems. These can include problems with the heart, kidneys and spine. You may be aware of these from you antenatal scans and other tests you may have had.

Your baby will be closely examined by the doctors, have X-rays and ultrasounds (scans) and other investigations as necessary to check if they do have any other problems. This will be explained to you at the time.

How long will my baby be in hospital?

We are unable to predict how long your baby will be in hospital. Some babies with OA and TOF are only in for a few weeks, others can be in for months.

Your baby’s progress will be closely monitored by the surgeons, nurses and the other teams involved with your baby’s care. You will be updated regularly on your baby’s progress and will be able to ask and have questions answered throughout your stay on NSU. When your baby is tolerating milk feeds and gaining weight they can go home.

Your baby will be followed up by a paediatric surgeon in our outpatient clinics here at the Sheffield Children’s Hospital or at your local hospital. Your baby will also have regular follow up with the respiratory paediatricians here at this hospital.

What is the long term outlook for my baby?

The majority of babies with OA and TOF do not have long term complications from this condition. They grow up to lead normal lives. If they do have problems these commonly are related to:

Breathing

Your baby may be prone to chest infections and asthma but this will be monitored and treated if it is a problem. The trachea may be floppy by the operation site, this is known as tracheomalacia. Your baby may develop a cough which is known as a TOF cough. It may sound worrying but is not serious. They may have noisy breathing and this will need to be monitored and may require treatment if it becomes a problem.

Difficulties swallowing

The oesophagus may narrow where it was joined (known as an oesophageal stricture) and this can cause problems with feeding. This is treated by having the stricture dilated (stretched) under a general anaesthetic.

Gastro-oesophageal reflux (GOR)

This is when the contents of the stomach comes up the oesophagus causing pain and irritation. Medicine and supportive measures can help with this. Occasionally they may need further surgery

Are there support groups?

TOF support

St George’s Centre
91 Victoria Road
Nottingham NG4 2NN

0115 961 3092
info@tofs.org.uk
www.tofs.org.uk
Facebook group: TOFs

Bliss

Group which offers general support to families of babies born early or sick

68 South Lambeth Road
London SW8 1RL

www.bliss.org.uk
Facebook group: Bliss

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Disclaimer

Please note this is a generic information sheet relating to care at Sheffield Children’s. The details in this resource may not necessarily reflect treatment at other hospitals. This information is not intended as a substitute for professional medical care. Always follow your healthcare professionals’ instructions. If this resource relates to medicines, please read it alongside the medicine manufacturer’s patient information leaflet. If you have specific questions about how this resource relates to your child, please ask your doctor.

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