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Discovery could inspire new way to detect brain abnormalities

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Discovery could inspire new way to detect brain abnormalities

Scientists have taken a promising step towards a new generation of accurate, affordable and portable devices to detect concussion, epilepsy and dementia.

The international research team developed a laser-based diamond sensor that can measure magnetic fields up to 10 times more precisely than standard techniques. Their results are published in Science Advances.

Their innovation could help improve on existing magnetic-field sensing techniques for mapping brain activity to identify disorders. With sufficient funding and collaboration with industry, the team say they could develop a proof-of-concept device using their new sensor within five years.

Concussion in sport has been in the spotlight recently with prominent athletes sharing their stories about the significant ramifications of head injuries sustained during their careers. Meanwhile, about 250,000 Australians live with epilepsy, while nearly 500,000 Australians have some form of dementia.

The research is also relevant to a range of sectors beyond healthcare including mining, where it could lead to improved mineral exploration applications.

The study was led by Fraunhofer Institute for Applied Solid State Physics (IAF) in Germany – one of the leading organisations for applied research in Europe – working with RMIT University experts in diamond sensing technology Professor Andrew Greentree, Professor Brant Gibson and Dr Marco Capelli.

What’s the scientific breakthrough?

Diamond is already used for sensing magnetic fields, where the amount of light that comes from quantum defects in the diamond changes with the strength of the magnetic field.

The problem with today’s approach is that most of that light is lost.

“Our breakthrough was to make a laser from the defects,” Greentree said.

“By collecting all the light – instead of just a small amount of it – we can detect the magnetic field 10 times more precisely with our sensor compared with current best practice.”

How would the portable brain imaging device work?

Today’s magnetoencephalography, or MEG, technology is very sensitive, but also bulky, expensive to install and needs to operate at ultra-cold temperatures with liquid helium and patients must remain still.

“Current MEG machines are huge devices, with dedicated facilities, and they require magnetic shielding around them as well,” Greentree said.

MEG technology based on the new diamond-laser sensor would be much smaller than today’s devices, would operate at room temperature and could be fitted to patients who can move around.

“We really want to have something that we can place on a patient’s head and we want them to be able to move around – and there’d be no need for expensive liquid helium to operate such a device,” Greentree said.

“With Alzheimer’s, you want to be able to monitor the progression of the disease and know the effect of any treatments. It’s similar with concussion, you want to be able to measure what’s happening in the brain after each knock.

“With this MEG technology we envisage, you might be able to pick up early-onset dementia.

“With epilepsy, you could find out where it’s occurring, and that would help you to better target interventions.”

Fraunhofer’s Dr Jan Jeske and Dr Felix Hahl were corresponding authors for this study, which also involved researchers at the National Institutes for Quantum and Radiological Science and Technology in Japan and The College of Staten Island in the United States.

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New volunteer opportunities at Grafton Base Hospital

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New volunteer opportunities at Grafton Base Hospital
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New volunteer opportunities at Grafton Base Hospital

Grafton Base Hospital has new opportunities for community members to join the volunteering program, where they can provide comfort and social support to patients during their hospital stay.

Following the success of the initial rollout of the new Healthcare Helper Volunteer Program across health facilities in Clarence Valley, Grafton Base Hospital has now opened up new roles in additional departments.

Clarence Health Service General Manager, Dan Madden said staff really welcome and value volunteers’ contribution to the hospital.

“We have been very pleased with the first cohort of volunteers and are encouraging more people from all walks of life to join us as Healthcare Helpers,” Mr Madden said.

“We are keen for the new volunteers at Grafton Base Hospital to reflect the diversity found within our broader community to ensure all patients feel comfortable and supported.

“We have several new patient companion roles now available in our oncology, renal, surgical, and medical wards.”

Volunteer at Maclean District Hospital, Ellie Walsh said she finds giving assistance to both patients and staff rewarding.

“Having the opportunity to help hard-working staff, while supporting patients during their stay and recuperation is a privilege,” Ms Walsh said.

“Seeing a patient smile in recognition, to laugh with them, to listen to their stories and help time pass more quickly, enriches my life.”

More information can be found online.

Volunteer enquiries about Grafton Base Hospital can be directed to the General Manager’s office via email: nnswlhd-volunteer@health.nsw.gov.au or Phone: 02 6643 0355.

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Surgery Wait Lists Improve Amid Sustained Emergency Activity in Northern NSW Hospitals

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Surgery Wait Times Improve Amid High Emergency Activity in Northern NSW
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Surgery Wait Lists Improve Amid Sustained Emergency Activity in Northern NSW Hospitals

 

The latest Bureau of Health Information (BHI) Healthcare Quarterly report highlights significant improvements in surgery wait lists across the Northern NSW Local Health District (NNSWLHD) for the April to June 2024 quarter, even as emergency department activity remained high.

According to NNSWLHD Chief Executive Tracey Maisey, local hospitals have seen increased demand across multiple markers, including ambulance arrivals and emergency presentations, while planned surgery performance has continued to improve.

Key highlights from the report include:

  • 81% of the 3,809 planned surgeries performed during the quarter were completed on time, an increase of 4.6 percentage points compared to the same period in 2023.
  • The number of patients waiting longer than clinically recommended for surgery dropped by 81.7%, with 145 patients still on the list, the lowest since December 2019.

Ms. Maisey encourages patients concerned about their condition to contact their doctor, who can review and adjust their surgery priority if necessary.

Emergency Department Activity

The report also shows a steady rise in emergency department activity:

  • There were 56,496 emergency attendances in the quarter, up 3.4% from the previous year.
  • Ambulance arrivals increased by 6.4%, totalling 9,576 arrivals.
  • 70.1% of patients started their treatment on time, surpassing the NSW average of 63.7%.
  • 75% of patients were transferred from paramedics to ED staff within 30 minutes, slightly above the NSW average of 73.7%.
  • 70.4% of patients left the ED within four hours, significantly better than the NSW average of 54.7%.

Local Hospital Performance

Here’s a summary of individual hospital results for the quarter:

  • Ballina District Hospital: ED attendances increased by 8.3% with 63.2% of patients starting treatment on time, and 71.4% leaving within four hours.
  • Byron Central Hospital: ED attendances were up 3.1%, with 85.1% of patients starting treatment on time. 82.7% left the ED within four hours.
  • Casino & District Memorial Hospital: ED attendance reached 3,532, with 66.3% starting treatment on time and 83.1% leaving within four hours.
  • Grafton Base Hospital: ED attendances were 7,197, with 56.6% starting treatment on time and 67.8% leaving within four hours.
  • Lismore Base Hospital: ED attendances totalled 10,103, with 52% starting treatment on time and 46.4% leaving the ED within four hours.
  • Maclean District Hospital: ED attendances increased by 9.1% with 81.2% starting treatment on time and 85.3% leaving within four hours.
  • Murwillumbah District Hospital: ED attendance was 5,042, with 85% starting treatment on time and 86.6% leaving within four hours.
  • Tweed Hospital/Tweed Valley Hospital: ED attendances increased by 11.4%, with 74.7% of patients starting treatment on time and 68.1% leaving the ED within four hours.

Community Reminder

NNSWLHD reminds the public to reserve emergency services for life-threatening situations and consider alternative care options, such as medical centres or HealthDirect (1800 022 222) for minor health concerns.

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Urgent Action Needed: Community is Both the Challenge and Solution for People with Dementia

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Urgent Action Needed: Community is Both the Challenge and Solution for People with Dementia

 

Dementia Australia has issued a call for urgent action as new research released during Dementia Action Week reveals that the ongoing lack of understanding of dementia among Australians continues to fuel stigma and discrimination. The report, titled “‘People in the Community’ are the Challenge and the Solution: Towards a Dementia-Friendly Future,” highlights that while community support can be transformative, it is also the primary source of challenges faced by those living with dementia.

Key findings from the 2024 research show:

  • 71% of people with a loved one living with dementia reported their loved one was patronised by others.
  • 76% felt their family member or friend with dementia was treated as though they were not intelligent.
  • Two in three identified people in the community as the most frequent source of discrimination.
  • One in three reported that people avoided or excluded their loved one with dementia.

Additionally, other surveys by Dementia Australia show persistent misconceptions, with one in three Australians still believing that dementia is a normal part of aging—a belief that has grown slightly over the past decade. Alarmingly, 68% of respondents in both 2012 and 2024 indicated they know very little about dementia.

Bobby Redman, Chair of the Dementia Australia Advisory Committee and an individual living with dementia, expressed her frustration over the lack of progress in understanding and awareness. “It’s almost unbelievable that we still have to talk about this. Why do people treat us differently? What have we done to deserve this? All we are asking for is to be understood, respected, and supported—basic human rights,” Ms. Redman said.

She emphasised the need for communities to recognise dementia as a disability, despite its invisibility, and to provide the necessary support to reduce social isolation. “If councils, businesses, and organizations acknowledged this, we could feel less isolated and more included,” she added.

While some communities are making efforts to combat discrimination and foster inclusion, Ms. Redman stressed that much more must be done to create dementia-friendly environments across the country.

Professor Tanya Buchanan, CEO of Dementia Australia, noted that the research confirms “people in the community” are the primary source of discrimination toward those living with dementia. “The stigma surrounding a dementia diagnosis can discourage people from seeking healthcare, including early diagnosis, and it often leads to reduced social engagement, which in turn negatively affects the physical, cognitive, and emotional well-being of the individual.”

Professor Buchanan called for collective action, urging local, state, territory, and federal governments, as well as community groups, to raise awareness and understanding of dementia and take steps to make communities more inclusive.

The report serves as a stark reminder that greater education, understanding, and community-driven initiatives are essential to reducing the stigma and discrimination faced by those living with dementia.

“It is incredibly disappointing that Australians’ understanding of dementia has not shifted in a decade and profoundly concerning that more people now think dementia is a normal part of ageing than they did a decade ago. Dementia is not a normal part of ageing.

“We know that we can do better as there are great examples of dementia-friendly communities from around the country.

“And that’s why this Dementia Action Week (16-22 September) Dementia Australia is calling for urgent and sustained action by communities and governments at all levels to increase their awareness and understanding of dementia – and to become the solution.”

Head here to find out how you can join us to create a future where all people impacted by dementia are supported and welcomed in their communities, no matter where they live.

 

For more seniors news, click here.

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