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Recognition and management of complex sleep-disordered breathing
Geoffrey S Gilmartin1, Robert W Daly, Robert J Thomas
1Division of Pulmonary, Critical Care and Sleep Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts 02115, USA.
Current Opinion in Pulmonary Medicine
|October 12, 2005
Summary
Complex sleep-disordered breathing, a distinct form of sleep apnea, exhibits amplified respiratory instability during sleep. Understanding sleep state stability and respiratory control is key to effective treatment for these difficult-to-treat patients.
Area of Science:
- Respiratory control during sleep
- Sleep medicine
- Cardiorespiratory control
Background:
- Recent advances in understanding respiratory control during sleep offer new insights for managing complex sleep-disordered breathing.
- Difficult-to-treat sleep apnea patients often present with complex sleep-disordered breathing (CSDB).
Purpose of the Study:
- To review recent literature on the mechanisms of respiratory control during sleep.
- To propose a model for incorporating these advances into clinical practice for CSDB management.
Main Methods:
- Literature review focusing on recent advances in respiratory control during sleep.
- Analysis of factors contributing to respiratory instability during sleep.
Main Results:
- Respiratory control during sleep is more unstable than during wakefulness in patients with CSDB.
- Baseline carbon dioxide levels and ventilatory responsiveness to carbon dioxide are critical factors in this instability.
- Sleep state stability significantly influences respiratory control, with variations observed across different sleep stages.
Conclusions:
- Complex sleep-disordered breathing is a distinct entity characterized by specific features, often exacerbated by positive airway pressure treatment.
- Sleep state stability and respiratory control system behavior are crucial components of CSDB complexity.
- A thorough understanding of these factors is essential for developing effective clinical therapies for CSDB, which is currently poorly managed.