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Published on: August 18, 2023
Mechanisms and clinical consequences of untreated central sleep apnea in heart failure
Maria Rosa Costanzo1, Rami Khayat2, Piotr Ponikowski3
1Midwest Heart Foundation, Edward Heart Hospital, Naperville, Illinois.
Insights
Central sleep apnea (CSA), common in heart failure (HF) patients, worsens HF progression and outcomes. Research is exploring CSA mechanisms and new treatments to improve HF patient quality of life.
Area of Science:
- Cardiology
- Sleep Medicine
- Respiratory Medicine
Background:
- Central sleep apnea (CSA) is a frequent comorbidity in heart failure (HF) patients, affecting 30-50%.
- CSA significantly contributes to HF progression, morbidity, and mortality.
- Understanding CSA's pathophysiologic mechanisms is crucial for developing effective treatments.
Purpose of the Study:
- To review the current understanding of CSA mechanisms in HF.
- To discuss emerging therapies for treating CSA in HF patients.
- To highlight the goal of improving patient quality of life and clinical outcomes.
Main Methods:
- Literature review of pathophysiologic mechanisms of CSA in HF.
- Analysis of current research on CSA treatment strategies.
- Synthesis of findings from sleep, respiratory, and cardiovascular research.
Main Results:
- CSA is a significant factor in HF progression and adverse outcomes.
- Ongoing research is elucidating the complex mechanisms underlying CSA in HF.
- New therapeutic approaches for CSA in HF are emerging.
Conclusions:
- Effective management of CSA is essential for improving HF patient prognosis.
- Further research into CSA mechanisms and treatments holds promise for better patient care.
- Integrated approaches targeting both HF and CSA are needed.
Abstract:
Central sleep apnea (CSA) is a highly prevalent, though often unrecognized, comorbidity in patients with heart failure (HF). Data from HF population studies suggest that it may present in 30% to 50% of HF patients. CSA is recognized as an important contributor to the progression of HF and to HF-related morbidity and mortality. Over the past 2 decades, an expanding body of research has begun to shed light on the pathophysiologic mechanisms of CSA. Armed with this growing knowledge base, the sleep, respiratory, and cardiovascular research communities have been working to identify ways to treat CSA in HF with the ultimate goal of improving patient quality of life and clinical outcomes. In this paper, we examine the current state of knowledge about the mechanisms of CSA in HF and review emerging therapies for this disorder.
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