A groundbreaking study is set to utilize blood tests to identify potential brain injuries in Defence Force personnel resulting from exposure to weapon blasts. Up to 400 military members will be monitored during weapons training as part of this comprehensive research initiative. This effort addresses years of persistent concerns regarding insufficient action on reported blast injuries among military veterans.
Innovative Approach to Blast Injury Detection
This pioneering study involves a multi-faceted approach. Researchers will meticulously cross-reference data from blast pressure gauges worn on soldiers’ helmets with blood samples and neurological assessments. These crucial tests will be conducted within a day of exposure to blasts. The blood samples will be analyzed at Monash University’s laboratory in Melbourne, where scientists will look for minute quantities of specific proteins known to be released into the bloodstream following a traumatic brain injury (TBI).
The impetus for this research stems directly from the Royal Commission into Defence and Veteran Suicide. A key recommendation from the commission was for the government to establish a dedicated brain injury program. The goal is to foster a deeper understanding of how repeated, low-level blast exposure impacts brain function over time. This study represents a significant step towards fulfilling that recommendation.
Addressing Veteran Concerns and Royal Commission Findings
The drive for greater action on brain injuries within the Australian Defence Force (ADF) and among veterans has been spearheaded by figures like retired army lieutenant colonel Paul Scanlan. He has consistently advocated for increased government and ADF attention to the issue, highlighting the devastating consequences for service members and their families. Scanlan has previously spoken about the tragic link between blast-related injuries and suicides among veterans, emphasizing the profound impact on families.
Veterans Affairs Minister Matt Keogh affirmed that the health, safety, and well-being of current and former Defence Force personnel are paramount. He stated that investments in research and monitoring are ongoing as part of the government’s response to the royal commission. While efforts are underway to mitigate risks, Keogh acknowledged the need for continued progress in understanding and addressing the complexities of brain injury.
In a 2024 interview, the then-army chief, Simon Stuart, offered an apology to veterans experiencing the potentially preventable effects of blast trauma. He noted that research and trials have been conducted since 2010, but suggested a lack of cohesive logic had hindered progress. Previous ADF studies have recorded blast pressure data, but crucially, they had not correlated this information with blood and neurological data to ascertain the real-time physiological effects of these pressures.
Understanding Low-Level Blast Exposure
Professor Sandy Shultz, a principal investigator at Monash University’s school of translational medicine, highlighted the critical knowledge gap concerning brain injuries from low-level blast exposure, despite its prevalence in the defense sector. “Exactly how and to what extent low-level and repetitive exposures to blast affects the brain is really unknown,” Professor Shultz explained. “The knowledge gained from this research will help inform policy and guidelines around what thresholds can result in a brain injury and when ADF personnel should be removed from further exposure.”
The study is slated to run for the next four years. Its primary focus will be on understanding the cumulative impact of repeated, low-level blast exposures on brain health throughout a military career. While more is understood about the immediate effects of high-level blast events, the long-term consequences of lower-intensity exposures remain largely a mystery. Initially, the research will concentrate on army personnel, with potential future expansion to the navy and air force.
Building Evidence for Force Health Protection
Army neurologist Lieutenant Colonel Antony Sutherland, who is part of the research team, emphasized the study’s objective: “By combining blast monitoring, blood-based biomarkers and cognitive and psychometric assessments, we’re building the evidence needed to strengthen force health protection.” This integrated approach aims to provide robust data to inform protective measures and medical protocols.
Traumatic Brain Injury and Suicide Risk
The 2024 findings of the Royal Commission into Defence and Veteran Suicide underscored
