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Understanding the Impact of Positive Airway Pressure Termination on Cardiovascular HealthFrom the Cross County Cardiology Education Team

A recent study published in Thorax has raised important concerns about the impact of discontinuing positive airway pressure (PAP) therapy in patients with obstructive sleep apnoea (OSA). The study, titled "Association of positive airway pressure termination with mortality and non-fatal cardiovascular events in patients with obstructive sleep apnoea," explores the potential risks involved when patients with OSA stop using PAP therapy. At Cross County Cardiology, we believe it’s vital for patients and healthcare providers to understand these findings, as they highlight critical implications for managing OSA and its cardiovascular risks.

What the Study Revealed

OSA is a common sleep disorder characterized by repeated episodes of blocked or narrowed airways during sleep, leading to periods where breathing stops entirely. For many patients, PAP therapy is the gold standard treatment, delivering continuous air pressure to keep the airways open during sleep.

The study found that patients who discontinued PAP therapy were at a higher risk of mortality and non-fatal cardiovascular events. These events included heart attacks, strokes, and hospitalizations due to heart failure. The researchers observed that this risk increased significantly when patients stopped using PAP, even in those with a history of good adherence to the therapy.

This is a crucial finding, as it emphasizes the ongoing need for PAP therapy in managing both OSA and preventing serious cardiovascular outcomes.

Why PAP Therapy Matters for Heart Health

At Cross County Cardiology, we understand that many patients with OSA may not be aware of the cardiovascular risks associated with untreated sleep apnoea. When the body experiences repeated disruptions in breathing, it leads to low oxygen levels, increased blood pressure, and overall strain on the heart. Over time, these factors contribute to the development of hypertension, coronary artery disease, heart failure, and stroke.

PAP therapy works by preventing these episodes of airway obstruction, which in turn helps reduce the cardiovascular strain caused by OSA. By ensuring proper oxygen flow, PAP therapy plays a critical role in both improving sleep quality and protecting heart health.

The Risks of Discontinuing PAP Therapy

One of the most significant findings of the study was the increased risk of death and cardiovascular events among patients who stopped using PAP therapy. This highlights a concerning trend: while patients may discontinue treatment due to discomfort or challenges with adherence, doing so poses severe health risks.

For patients who find PAP therapy uncomfortable, there are several adjustments and alternatives that can be explored, such as:

  • Mask fitting consultations to ensure a comfortable and effective fit
  • Device pressure adjustments to make therapy more tolerable
  • Alternatives like positional therapy or, in some cases, oral appliances

However, stopping PAP therapy without exploring these options can have serious consequences for cardiovascular health.

What This Means for OSA Patients

This study underscores the importance of long-term adherence to PAP therapy for patients with obstructive sleep apnoea. If you or a loved one has been diagnosed with OSA and prescribed PAP therapy, it’s crucial to continue treatment and consult your healthcare provider if challenges arise. At Cross County Cardiology, we work closely with our patients to ensure they have the resources and support needed to maintain effective treatment and protect their heart health.

Takeaways:

  1. PAP therapy significantly reduces the risk of mortality and cardiovascular events in OSA patients.
  2. Stopping PAP therapy can lead to severe cardiovascular complications, including heart attacks and strokes.
  3. Adherence to PAP therapy is essential for managing both sleep apnoea and its related heart risks.
  4. For patients struggling with PAP therapy, we encourage exploring options with your healthcare team to improve comfort and adherence.

Conclusion

The findings of this study reaffirm the vital role of PAP therapy in preventing not only sleep-related complications but also serious cardiovascular events. At Cross County Cardiology, our focus remains on helping patients with OSA manage their condition effectively, while also emphasizing the broader heart health benefits of continuous treatment.

If you are struggling with PAP therapy or have concerns about your sleep apnoea and heart health, don’t hesitate to reach out to our team for guidance and support. Your heart health depends on it!

Sources:

  1. Association of Positive Airway Pressure Termination with Mortality and Non-fatal Cardiovascular Events in Patients with Obstructive Sleep Apnoea – Thorax

Takeaway: Continuous positive airway pressure therapy is essential for managing obstructive sleep apnoea and protecting heart health. Don’t let discomfort stop you from taking care of your heart—consult with your healthcare provider for solutions to keep your treatment on track.

 

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