‘Ping pong ball’ implant that eases heartburn
ASILICONE ball implanted in the stomach could help relieve persistent heartburn. The device, about the size of a ping pong ball, is stitched to the top of the inside of the stomach via keyhole surgery. In position, the ball presses down on the oneway valve that lets food move from the oesophagus — the food pipe — and into the stomach.
This stops the valve opening the wrong way and letting acid leak from the stomach back up into the oesophagus, which is common in heartburn patients and causes the ‘burning’ pain.
Preliminary research suggests the device provides long-lasting relief from the condition.
Heartburn affects around one in three people. Risk factors include pregnancy and obesity — both increase pressure on the stomach — as well as smoking and certain medicines ( such as some pills f or hi gh bl ood pressure or antidepressants), which irritate or weaken the valve. Heartburn is caused by hydrochloric acid (produced to break down food) flowing back up the oesophagus.
This is due to a fault in a muscle, called the l ower oesophageal sphincter, which works as a oneway valve to control the flow of food i nto the stomach. Occasional heartburn can be treated with over- the- counter antacid pills, which dampen the inflammation in the oesophagus.
But anyone suffering more than twice a week could have a condition called gastroesophageal reflux disease, where the lining of the oesophagus becomes damaged by excess acid exposure. It affects an estimated one in five people in Ireland.
Most of those affected will benefit from drugs called proton pump inhibitors (PPIs), which lower acid production. But some patients need a surgical procedure called fundoplication, where the top of the stomach is stitched round the oesophagus to support it.
While successful, the procedure can cause issues such as pain when swallowing and problems with burping or vomiting because i t compresses the lower part of the oesophagus.
The new device — called RefluxStop — is soft enough to give way when food or wind moves through the oesophagus but firm enough to still press on the faulty valve. To implant it, surgeons compress the ball and feed it through an incision in the tummy and into position using a probe. The ball then expands and the stomach lining is pulled around it to form a pouch — which is then sutured to keep it in position.
A study at the University of Belgrade in Serbia looked at how the i mplant affected symptoms i n 50 patients. RefluxStop slashed symptoms by an average of 86 per cent, the results, published in July, i n the j ournal BMC Surgery, showed.
RefluxStop has now been approved for use in a number of countries including the UK, and is being considered by the FDA in America at the minute. So it could soon offer hope for sufferers here.
Chris Hawkey, a professor of gastroenterology says: ‘This is a very neat little implant and looks quite promising. But it needs to be compared directly with fundoplication in trials before we can say with any certainty that it is better.’