Targeted Tongue Base Reduction to Optimise Airway Surgery
Tongue base coblation is a minimally invasive procedure used to reduce tissue volume at the base of the tongue.
It is designed to improve airflow in patients with obstructive sleep apnoea (OSA) or snoring where the tongue base contributes to airway narrowing.
For OSA, rather than acting as a primary treatment in isolation, it is most appropriately used in combination wtih other procedures, to further optimise airway dimensions and address residual obstruction.
How the Procedure Works
Coblation uses controlled radiofrequency energy to shrink small areas of tissue.
At the tongue base, this can:
- Reduce local tissue bulk
- Improve space behind the tongue
- Decrease resistance to airflow
The effect is focused and limited, with the aim being a modest volume reduction rather than large-scale structural change, making it best suited as a refinement step within a broader surgical strategy.
How Coblation Minimises Tissue Damage
Coblation (controlled ablation) uses a form of radiofrequency energy to precisely target tissue while limiting heat-related damage to surrounding structures.
Unlike traditional cautery or cutting techniques, which rely on high temperatures, coblation works at relatively low temperatures, typically around 40–70°C.
This allows for:
- Controlled dissolution of tissue at a molecular level, rather than burning
- Reduced thermal spread to adjacent tissues
- Preservation of the surface lining (mucosa) where possible
The result is a more targeted reduction in tissue volume, with less disruption to surrounding structures.
Role Within MMA-Based Treatment
Obstructive sleep apnoea is commonly a multi-level condition, involving:
- The soft palate
- The tongue base
- The lower airway
Maxillomandibular advancement (MMA) addresses these levels comprehensively by enlarging the airway through jaw repositioning.
However, in selected cases:
Additional reduction of tongue base volume can further improve airway stability.
Tongue base coblation is therefore used:
- To augment the effects of MMA
- To address residual tongue base bulk
- To refine airway calibre in more complex cases
The Procedure
When combined with MMA:
- Coblation is used to deliver controlled energy to selected areas of the tongue base
- No external incisions are required
- The procedure is performed under the same general anaesthetic
It is integrated into the surgical plan as a complementary step, rather than a separate intervention.
Recovery
Recovery follows the same overall course as MMA.
In addition:
- Temporary throat discomfort and swallowing sensitivity are expected
- Symptoms typically settle over 1–2 weeks
There is no separate recovery pathway, but a unified postoperative course reflecting the combined procedure.
Outcomes
When used appropriately alongside MMA, tongue base coblation may:
- Further reduce airway resistance
- Improve overall surgical effectiveness
- Contribute to more complete resolution of obstruction
Its role is one of incremental benefit, enhancing the primary effect achieved through skeletal advancement.
Consultation
A detailed consultation allows assessment of your airway, review of previous treatments, and discussion of whether a combined surgical approach is appropriate.
Arrange a Consultation
For assessment of obstructive sleep apnoea and suitability for comprehensive surgical treatment in London, arrange a consultation to discuss your options.