Radiofrequency Ablation of the Palate with Anterior Palatoplasty

What the Operation Is

Snoring is most often produced by vibration of the soft palate during sleep. The soft palate is the flexible muscular curtain at the back of the roof of the mouth, ending in the dangling uvula. When the palate becomes lax — through ageing, weight gain, or simply genetic anatomy — it vibrates more readily as air passes over it, generating the characteristic snoring sound. In some patients, the palate also collapses during sleep, contributing to obstructive sleep apnoea.

This procedure combines two complementary techniques performed under general anaesthetic in a single short operation:

• Radiofrequency ablation (RFA) of the palate — a small probe is inserted into the soft palate at several pre-selected points and delivers controlled radiofrequency energy to a small volume of underlying tissue. Over the next three months, this treated tissue is replaced by scar tissue, which is stiffer than the original soft-palate muscle. The stiffer palate is much less likely to vibrate and snore.
• Anterior palatoplasty — a small strip of mucosa at the front (mouth side) of the soft palate is removed and the edges are sutured together. This further tightens the palate forward and shortens the floppy portion that causes snoring. The dissolvable stitches dissolve within around two weeks.

The combination is more effective than RFA alone. Both elements rely on healing and scarring over weeks to months — the full effect is generally not seen until three months after surgery and continues to develop for around 18 months.

Expected Results

I will not guarantee that any operation is 100% successful, but the published evidence suggests that palate RFA reduces snoring by approximately four points on a 0–10 self-rated scale. The addition of anterior palatoplasty typically brings snoring loudness below 3/10 — well below "antisocial" levels and usually compatible with sharing a bedroom comfortably. Most of the benefit becomes apparent at around three months as the scar tissue takes hold and tightens the palate; the final result is reached at around 18 months.

Risks & Complications

1. Bleeding, infection, pain

There is a risk of bleeding (approximately 1%), infection, and pain. Pain can be significant for the first few days but is usually controlled with paracetamol and ibuprofen. If pain is more severe than expected, I am happy to see you again to assess the situation. Alternatively, a small amount of dissolved aspirin gargled and then spat out (never swallowed) is normally all that is required to settle things down — though the trade-off is a higher risk of bleeding with aspirin, so use this only with caution.

2. Temporary palatal fistula

There is a small chance of a temporary palatal fistula — a small hole in the soft palate that develops as the tissues heal. These tend to resolve spontaneously without intervention. Other surgeons have historically placed a stitch to close such holes; this has not been a complication any of my patients have suffered from.

3. Globus sensation (lump in the throat)

A globus sensation typically lasts two or three weeks but can last longer. Some authorities believe this represents a form of "phantom" sensation when the uvula or surrounding structures are altered. It almost always resolves in time.

4. Nasal regurgitation

Some fluid may briefly escape from the nose when drinking in the first few days after surgery, because the palate has temporarily lost some of its normal coordination. This is short-lived in almost all cases.

5. Taste change, palate numbness or weakness

Very few patients notice taste disturbance after this operation. A feeling of numbness or weakness of the palate may occur theoretically but has not been a feature in my practice.

6. General points

The vast majority of these symptoms resolve within a few weeks. Standard anaesthetic risks apply, as with any general-anaesthetic operation.

Aftercare

• Painkillers. Paracetamol and ibuprofen on a staggered schedule (something every three to four hours) for the first week. The "day 3 surprise" — when the long-acting painkiller given at surgery wears off — applies here too.
• Eat normally. Slightly abrasive food is preferable to soft food only; it keeps the throat muscles working and reduces muscle spasm.
• Dissolvable stitches may be felt at the back of the throat for a few days as they begin to soften and dissolve. If a stitch becomes irritating and is hanging more than a centimetre free, snipping it (with care, by someone else) or returning to clinic for me to do so is reasonable.
• Time off work: usually one week.
• Avoid strenuous exercise for two weeks.
• Avoid air travel for at least three weeks; check your travel insurance carefully.

Long-Term — Strengthening the Throat

Long term, I advise regular exercise of the muscles of the pharynx. Oropharyngeal exercises (also called myofunctional exercises) strengthen the throat and reduce the chance of snoring recurring. I would recommend watching my YouTube video on oropharyngeal exercises. Alternatively, consider seeing a professional myofunctional therapist for a structured programme. See also our overview of throat exercises for OSA & snoring.

Oropharyngeal Exercises Video

When to Call the Hospital or Attend A&E

• Fresh red bleeding from the mouth or throat.
• Worsening pain after the first week, particularly with fever or foul-smelling breath (possible infection).
• Inability to swallow saliva or take fluids.
• Difficulty breathing or noisy breathing that was not present before surgery.

Booking, Consent and Next Steps

If you are considering this operation, the secretarial team can arrange a consultation, or you can book online. See also Snoring & Sleep Apnoea and DISE.