Thursday January 17, 2019

Researchers Examine Patterns of Back Pain

The bad news is that one in five experienced persistent back pain, said Canizares

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Researchers study patterns of back pain. IANS

Researchers have examined the patterns of back pain over time and patient characteristics in relation to the disability.

In addition, they have identified the extent of healthcare and medication use (including opioids) associated with different patterns.

Back pain is among the most frequently reported health problems in the world.

For the study, researchers from the University Health Network’s Krembil Research Institute in Toronto, Canada studied 12,782 participants for 16 years.

They provided data on factors including comorbidities, pain, disability, opioid and other medication use, and healthcare visits.

The results showed that almost half (45.6 per cent) of the participants reported back pain at least once.

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The study included four groups of pain: persistent (18 per cent), developing (28.1 per cent), recovery (20.5 per cent), and occasional (33.4 per cent).

The findings, published in Arthritis Care and Research, showed that the persistent and developing groups tended to have more pain and disability, as well as more healthcare visits and medication use than those in the recovery and occasional trajectory groups.

In addition, the recovery trajectory group increased the use of opioids and antidepressants over time.

“The good news is that one in five people with back pain recovered. However, they continued to use opioids and antidepressants, suggesting that people recovering from back pain need ongoing monitoring,” said lead author Mayilee Canizares, postdoctoral candidate from the varsity.

The bad news is that one in five experienced persistent back pain, said Canizares.

People with back pain are a heterogeneous group that may benefit from different approaches to management rather than a traditional one size fits all approach. The distinct groups identified in the study may represent opportunities for more individualised treatment and preventative strategies, Canizares noted. (IANS)

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Researchers Develop Novel Device to Improve Diagnosis of Dizziness

In this technology, detailed in the journal Medical Devices: Evidence and Research, the sound levels which patients are exposed to can be minimised

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Dizziness
Novel device to improve diagnosis of dizziness.

Researchers have developed a new vibrating device using bone conduction technology, that can identify the causes of dizziness.

Half of older adults over 65 years suffer from dizziness and problems with balance. However, the current tests to identify the causes of such problems are painful and can risk hearing damage.

The novel type of vibrating device, developed by researchers from the Chalmers University of Technology in Sweden, is placed behind the ear of the patient during the test.

According to Bo Hakansson, Professor at Chalmers, the vibrating device is small and compact in size, and optimised to provide an adequate sound level for triggering the reflex at frequencies as low as 250 hertz (Hz).

But in bone conduction transmission, sound waves are transformed into vibrations through the skull, stimulating the cochlea within the ear, in the same way as when sound waves normally go through the ear canal, the eardrum and the middle ear.

Dizziness
Dizziness. Pixabay

In this technology, detailed in the journal Medical Devices: Evidence and Research, the sound levels which patients are exposed to can be minimised.

“The new vibrating device provides a maximum sound level of 75 decibels. The test can be performed at 40 decibels lower than today’s method using air conducted sounds through headphones,” said Karl-Johan Freden Jansson, postdoctoral researcher at Chalmers.

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“This eliminates any risk that the test itself could cause hearing damage,” Jansson added.

The benefits also include safer testing for children, and that patients with impaired hearing function due to chronic ear infections or congenital malformations in the ear canal and middle ear can be diagnosed for the origin of their dizziness, the researchers said. (IANS)