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Sleep Medicine

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New research confirms that sleep disturbances are linked to pain and depression, but not disability, among patients with osteoarthritis (OA).  Results from a new study found that poor sleep increases depression and disability, but does not worsen pain over time.

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Older women with disordered breathing during sleep were found to be at greater risk of decline in the ability to perform daily activities, such as grocery shopping and meal preparation, according to a new study led by researchers at the Johns Hopkins Bloomberg School of Public Health and the University of California, San Francisco.

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People with moderate to severe obstructive sleep apnoea may have an intrinsic inability to burn high amounts of oxygen during strenuous aerobic exercise, according to a new study led by researchers at University of California, San Diego School of Medicine.

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This webinar will be a clinical presentation in assessing a child who presents with snoring. Snoring is a very common presentation in childhood with some studies suggesting that up to 30% of children will snore at some point in their life. Within those that snore, there will be some who have obstructive sleep apnoea.

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Sleep apnoea may make it hard for you to remember simple things, such as where you parked your car or left your house keys, a small study suggests.

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Researchers believe that disrupted circadian clocks are the reason that shift workers experience higher incidences of type 2 diabetes, obesity and cancer. The body's primary circadian clock, which regulates sleep and eating, is in the brain. But other body tissues also have circadian clocks, including the liver, which regulates blood glucose levels.

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Asbestos and the Lungs

What is Asbestos? 

Asbestos is a fibrous mineral that has been used for over 4500 years.  Asbestos is one of the most useful and versatile materials known to mankind because of its flexibility, tensile strength, insulation (from heat and electricity) and chemical inertness.

Asbestos is now a banned substance in Australia due to its dangerous effects on the lungs and its connection to lung cancer.

where was asbestos used?

Asbestos was used in:
  • fibro-sheeting
  • corrugated roofing
  • asbestos cement pipes
  • thermal insulation
  • fireproofing. 
  • paints and sealants
  • textiles such as felts and theatre curtains
  • friction products like brake linings and clutches 
  • building of hospitals, schools and libraries.

Who was most at risk of asbestos exposure?

Throughout the middle of the 20th century, asbestos-related lung disease occurred at very high rates because people were exposed decades earlier to asbestos.

Most current patients were once exposed to asbestos in:

  • mines 
  • mills 
  • factories
  • homes building or renovating
  • automotive repair
  • boilermaking 
  • construction 
  • pipefitting 
  • launderers of asbestos-containing clothing

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how does asbestos get into the lungs

When asbestos fibers are breathed in, they may get trapped in the lungs and remain there for a long time. 

Over time, these fibers can accumulate and cause scarring and inflammation, which can affect breathing and lead to serious health problems including lung disease.

diagnosing asbestos-related diseases

Symptoms 

  • Shortness of breath, wheezing, or hoarseness.
  • A persistent cough that gets worse over time.
  • Blood in the sputum (fluid) coughed up from the lungs.
  • Pain or tightening in the chest.
  • Difficulty swallowing.
  • Swelling of the neck or face.
  • Loss of appetite.
  • Weight loss.
  • Fatigue or anemia.

Physical examinations including lung function tests and a chest x-ray may be recommended by your physician. 

some common lung diseases associated with asbestos

Asbestosis 

Inflammation in the lung tissue leading to fibrosis.  The lung stiffens and cuts down the passage of oxygen between the air and the blood.

Mesothelioma 

A cancerous tumor of the lining of the lung and chest cavity (pleura).

Pleural Plaques 

Smooth, white, raised irregular areas of fibrous collagen tissue that develop on the pleura (lining of the lung). 

 

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ASBESTOS research group

In conjunction with the Wesley Research Institute, the Asbestos Research Group was formed in June 2008.  Karen Banton, widow of mesothelioma victim and campaigner Bernie Banton, is a patron of this new organisation.

Unique in Queensland, the group seeks to facilitate research and raise awareness of asbestosis and asbestos-related diseases both to the medical fraternity and the general community, with the aims of improving treatment and enhancing quality of life of those affected.

Currently new research programmes are being developed. 

If you are affected we would welcome your potential participation in future projects. Referrals will also be accepted by treating medical practitioners.

You can also help by donating to the Asbestos Research Group to help fund medical research that offers hope to sufferers of asbestos-related diseases would be appreciated. 

All donations over $2 are completely tax deductible and will be acknowledged by an official receipt.

To find out more, visit the Asbestos Research Group page.

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what should you do if you think you have had exposure to asbestos? 

Speak with your GP – and ask about a screening.  This may include chest x-rays, CT scans and/or lung function testing.  

Your GP may also decide to refer you to a thoracic physician who is a specialist in lung disease.

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