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Clinical And Physiological Features Of Obstructive Sleep Apnoea Phenotypes
Funder
National Health and Medical Research Council
Funding Amount
$117,331.00
Summary
Obstructive sleep apnoea has variable causes and clinical effects in different patient groups. My research will quantify the contribution of various physiological processes to the development of upper airway obstruction in different sub-types of sleep apnoea and to determine how this affects clinical presentation. I will be measuring a number of physiological parameters, and finding out how sleep apnoea manifests in terms of symptomatology and adverse health effects.
The Role Of Lung Volume In The Pathogenesis And Treatment Of Obstructive Sleep Apnea.
Funder
National Health and Medical Research Council
Funding Amount
$337,691.00
Summary
Obstructive sleep apnea (OSA) is a common disorder of repetitive upper airway collapse during sleep. Reducing the volume of air in the lungs increases airway collapsibility. Lung volume is therefore likely important in OSA but has not been investigated thoroughly. Also, whether raising lung volume during sleep can be used to treat OSA is unknown. The aim of this grant is therefore to investigate the role, and therapeutic potential, of lung volume in OSA.
Novel Therapeutic Phenotyping For Sleep Apnoea - A Paradoxical Role For Sedatives
Funder
National Health and Medical Research Council
Funding Amount
$639,168.00
Summary
Sleeping pill (sedative) use has risen dramatically. Sedatives may worsen a common breathing condition called obstructive sleep apnoea (OSA). Accordingly, their use has been discouraged in OSA. However, recent studies indicate that certain sedatives may actually reduce OSA severity in some patients. By studying the effects of common sedatives on OSA and breathing, this proposal aims to explain these apparent paradoxical responses and ultimately provide a new treatment approach for OSA.
The Role Of Sedatives And Arousal In Obstructive Sleep Apnoea – Pathophysiology And Therapeutic Utility
Funder
National Health and Medical Research Council
Funding Amount
$415,218.00
Summary
Recent studies indicate that certain sleeping pills (sedatives) may actually reduce obstructive sleep apnoea (OSA) severity in some patients. This research aims to determine the: 1) characteristics of patients who are most likely to respond to this novel approach. 2) effects of commonly prescribed sedatives on upper airway function and breathing during sleep. 3) utility for a sedative to yield sustained reductions in OSA severity and daytime sleepiness in the appropriately selected OSA patients.
Respiratory Phenotyping For New Targeted Approaches To Treat Sleep Apnoea
Funder
National Health and Medical Research Council
Funding Amount
$631,370.00
Summary
>9% of Australians have obstructive sleep apnoea (OSA). OSA has several causes. Untreated OSA is associated with major health consequences. <50% of OSA patients tolerate the main therapy, continuous positive airway pressure. New treatments are urgently required. This proposal aims to use & develop novel approaches to identify the causes of OSA on a per patient basis, improve current therapies & test if new targeted therapies can be used to treat OSA in appropriately selected patients.
Central, Reflex And Mechanical Factors In The Control Of Human Breathing Muscles.
Funder
National Health and Medical Research Council
Funding Amount
$497,968.00
Summary
We will study the neural output to human inspiratory muscles and how it is related to mechanical effectiveness for breathing and then how this relationship can change with respiratory disorders such as chronic obstructive pulmonary disease and obstructive sleep apnoea. We will also examine the spinal reflex connections of human breathing muscles in people with spinal cord injury. This work promises new understanding of the basic control of respiration and how it changes with disease.
My work investigates the neural output to human inspiratory muscles and how it is related to mechanical effectiveness for breathing. The aim is to discover how this relationship can change with respiratory disorders such as chronic obstructive pulmonary disease and obstructive sleep apnoea. I also examine the changes in breathing muscle control in people with spinal cord injury. This work promises new understanding of the basic control of respiration and how it changes with disease.
Novel Approaches For Targeted Sleep Apnoea Treatment And Management
Funder
National Health and Medical Research Council
Funding Amount
$2,090,576.00
Summary
>1million Australian adults have obstructive sleep apnoea (OSA). OSA has several causes. Untreated OSA is associated with major health consequences. <50% of OSA patients tolerate the main therapy, continuous positive airway pressure. New treatments are urgently required. This proposal aims to use and develop novel approaches to identify the causes of OSA on a per patient basis, improve current therapies and management approaches and test if new targeted therapies can be used to treat OSA.