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Characterising A Newly Identified Mechanism Causing Elevation Of Intracranial Pressure After Acute Neurological Injury
Funder
National Health and Medical Research Council
Funding Amount
$510,905.00
Summary
Our group discovered that increased pressure on the brain (intracranial pressure – ICP) may be more common and important than has been recognised following stroke, and potentially other brain disorders. We also identified a simple potential therapy, short-duration body cooling, which completely prevents the pressure rise. In this project we will characterise the ICP rise, identify its molecular trigger and determine the best method of body cooling tor use in clinical trials in stroke patients.
A New Understanding Of Stroke Pathophysiology: Late Infarct Expansion May Be Under-recognised And Easily Preventable.
Funder
National Health and Medical Research Council
Funding Amount
$411,496.00
Summary
Stroke caused by a blood clot blocking a brain artery is one of the leading causes of death and disability. We recently discovered that pressure in the skull rises 24 h after stroke. Increasing evidence suggests that this causes growth of the stroke through its effects on brain blood flow. We will measure the blood flow reduction caused by the pressure rise and how frequent it is, then determine how much brain is saved and disability prevented by blocking it.
New Therapies For Stroke – Preventing Stroke Progression And Enhancing Recovery
Funder
National Health and Medical Research Council
Funding Amount
$463,652.00
Summary
Stroke is a major cause of death and disability worldwide. Dr Spratt’s team have discovered a new mechanism causing pressure to rise in the skull after stroke. They will build on their discovery of a promising new therapy to prevent early worsening of stroke and improve patient outcomes. He also leads a team studying better stroke recovery by promoting activity by enriching the rehabilitation environment, and ways to improve fitness in stroke survivors.
Short Duration Hypothermia To Prevent Subsequent Intracranial Pressure Rise.
Funder
National Health and Medical Research Council
Funding Amount
$436,453.00
Summary
Elevated brain pressure after stroke or other forms of brain injury can cause further injury and death. Body cooling to 32-33 C (hypothermia) for 12-24 hours saves lives after some forms of brain injury, but may have major side effects. We found that 2 hours hypothermia has a long-lasting effect preventing pressure elevation. We will determine the best temperature and duration of hypothermia in a stroke model and use imaging to confirm findings in patients, with a view to later human trials.
A New Paradigm To Prevent Intracranial Hypertension
Funder
National Health and Medical Research Council
Funding Amount
$408,388.00
Summary
Increasing brain pressure after stroke or other forms of brain injury can cause further injury and death. Body cooling by 4-5 0C (hypothermia) for 12-24 hours saves lives after some forms of brain injury, but may have major side effects. We found that 2 hour hypothermia has a long-lasting effect preventing pressure elevation. We will determine the best temperature and duration of hypothermia in a stroke model and use imaging to confirm findings in patients, with a view to later human trials.