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Control of Breathing
Jerome A Dempsey1, Joseph F Welch2
1John Rankin Laboratory of Pulmonary Medicine, Department of Population Health Sciences, University of Wisconsin, Madison, Wisconsin.
Recent discoveries reveal key mechanisms in neural breathing control, offering new insights for treating respiratory disorders by understanding ventilation-CO2 relationships and chemoreception.
Area of Science:
- Neuroscience
- Respiratory Physiology
Background:
- Understanding neural control of breathing is crucial for treating respiratory disorders.
- Recent advances have illuminated fundamental mechanisms and their clinical relevance.
Approach:
- Reviewing advances in neural control of breathing.
- Summarizing mechanisms of central rhythm generation, chemoreception, exercise hyperpnea, plasticity, and sleep-state effects.
- Applying principles to cardiorespiratory diseases, sleep-disordered breathing, and aging-related conditions.
Key Points:
- V̇A:V̇CO2:PaCO2 relationships are vital for ventilatory control.
- Neural pathways for rhythm generation, chemoreception, and exercise responses are increasingly understood.
- Hypersensitized chemoreception and sleep-state effects contribute to cardiorespiratory diseases.
Conclusions:
- Neural control of breathing is critical in disease pathogenesis, diagnosis, and treatment.
- Translational research is advancing the treatment of breathing disorders.
- Further understanding of ventilatory control mechanisms is essential for clinical applications.
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