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Adult Obstructive Sleep Apnoea: Beyond CPAP Therapy

For patients with Obstructive Sleep Apnoea (OSA) who cannot tolerate CPAP therapy, modern surgical treatments offer a lasting alternative. A personalised surgical plan is developed after a thorough assessment to identify the precise location of the airway collapse.

  • CPAP Intolerance is Common: While CPAP is the standard treatment for OSA, up to 50% of patients find it difficult to use consistently due to mask discomfort, claustrophobia, or lifestyle limitations.
  • Diagnosis is Key: Successful surgery depends on pinpointing the cause of airway collapse. This often involves a diagnostic procedure called Drug-Induced Sleep Endoscopy (DISE).
  • Surgery is Targeted: Surgical options are tailored to your anatomy. They can include procedures on the nose, soft palate, or the base of the tongue to physically open the airway.

This guide explores the modern surgical options that go beyond CPAP, helping you understand how a personalised approach can offer a lasting solution to sleep apnoea.

Understanding Adult Obstructive Sleep Apnoea

Obstructive Sleep Apnoea is more than just loud snoring. It is a serious medical condition where the upper airway repeatedly collapses during sleep, partially or completely blocking airflow. These pauses in breathing, called apnoeas, can happen hundreds of times a night.

This constant disruption starves your body of oxygen. It has significant health consequences. These include:

  • Cardiovascular problems like high blood pressure and heart disease.
  • Metabolic issues, including an increased risk of type 2 diabetes.
  • Cognitive impairment, causing daytime fatigue and poor concentration.

A diagnosis is typically confirmed with a sleep study. This measures the Apnoea-Hypopnoea Index (AHI) to determine the severity of your condition.

What is CPAP Therapy and its Limitations

CPAP therapy works by using a machine to deliver a continuous stream of pressurised air through a mask. This effectively splints the airway open. When tolerated, it is extremely effective.

However, the challenges are very real for many patients. Common reasons for CPAP intolerance include:

  • Mask discomfort and skin irritation.
  • Claustrophobia or anxiety from wearing the mask.
  • Air leaks or a dry mouth.
  • Restrictions on movement and travel.

If these issues sound familiar, you are not alone. It does not mean you have to live with untreated OSA. It simply means it is time to explore other evidence-based treatments.

Identifying the Anatomical Cause Why Your Airway Collapses

Successful surgical treatment is not a one-size-fits-all approach. The key is to precisely identify where your airway is collapsing. Obstruction can occur at one or multiple levels. This includes the nose, the soft palate, or the base of the tongue.

To create a personalised surgical plan, an ENT specialist performs a comprehensive assessment. This may involve:

  • Nasal Endoscopy: An in-office examination using a small camera to assess your nasal passages and the back of your throat.
  • Drug-Induced Sleep Endoscopy (DISE): This is a key diagnostic tool where a short-acting sedative is used to simulate sleep. It allows the surgeon to directly observe the exact pattern of your airway collapse in real-time. This provides a clear roadmap for surgery.

Surgical Treatment Options for Upper Airway Obstruction

Based on your unique anatomy, a targeted surgical plan can be developed. The goal is to physically open or stabilise the parts of your airway that are prone to collapse.

Nasal Surgery

For some patients, nasal obstruction from a deviated septum or enlarged turbinates is a major contributing factor. Procedures like a septoplasty or turbinate reduction can significantly improve nasal airflow. This may be enough to treat mild OSA. It can also improve your ability to tolerate CPAP therapy if you choose to continue with it.

Palatal Surgery

If the obstruction is at the level of your soft palate or uvula, surgery can be performed to stiffen or remove excess tissue. The most common procedure is a Uvulopalatopharyngoplasty (UPPP). This surgery trims and repositions tissue at the back of the throat to create a wider airway.

Tongue Base Procedures

When the airway collapses behind the tongue, a different set of procedures is needed. These can include:

  • Tongue Base Reduction: Using techniques like radiofrequency ablation to reduce the volume of the tongue muscle.
  • Genioglossus Advancement: A procedure that moves the main tongue muscle attachment forward, pulling the tongue away from the back of the throat.
  • Hyoid Suspension: Repositioning the hyoid bone in the neck to help support and stabilise the tongue and airway.

Success Rates and Realistic Expectations

It is important to have realistic expectations. The goal of surgery is not always a complete “cure”. Instead, it is a significant improvement in your health and quality of life. Success is typically defined as reducing your AHI by at least 50% and achieving an AHI of less than 20.

Success rates vary depending on the procedure and the individual patient’s anatomy. They are often high in carefully selected candidates. Critically, factors like your Body Mass Index (BMI) and the severity of your OSA play a significant role in the outcome.

Who is a Good Candidate for Sleep Apnoea Surgery

You may be a good candidate for OSA surgery if you meet the following criteria:

  • You have been diagnosed with OSA and cannot tolerate or have refused CPAP therapy.
  • You have an identifiable anatomical obstruction that can be surgically corrected.
  • Your BMI is within a range suitable for surgery. A BMI under 32 is typically preferred.
  • You have realistic expectations and are committed to post-operative care and follow-up.

Take the Next Step Towards Restful Sleep

If you are struggling with CPAP and feel trapped by your sleep apnoea, you have other options. A comprehensive assessment is the first step towards finding a lasting solution that works for you.

If you are ready to explore alternatives to CPAP, contact us today to schedule a consultation with Dr Nguyen at one of his convenient locations in Gledswood Hills, Liverpool or Forster.

 

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