When it comes to back pain, psychological distress is a more reliable predictor of the problem than imaging and diagnostic disc injection, Stanford University School of Medicine researchers say. Their finding could affect how doctors treat back pain, which often includes costly surgery that insurance companies are increasingly reluctant to cover.
Most adults in the United States will experience disabling lower back pain at least once in their lives, but their doctors frequently cant find a specific physical cause. In a four-year investigation that followed patients who initially had no lower back pain, researchers studied their subjects spines using both disc injection and magnetic resonance imaging, or MRI. And they also got to know their research subjects through psychological evaluations. It turned out that psychological factors more accurately predicted who would develop lower back pain than the two diagnostic techniques.
In people both with and without back pain, MRI can detect cracks or tears in the spongy cartilage disc that cushions each unit of the spine. Some doctors also have suggested that if a patient feels pain when fluid is injected into one of the spines discs in a procedure called discography, the patient will soon develop back pain even if he or she doesnt already feel discomfort.
Michelle Brandt | EurekAlert!
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In a recent publication in the renowned journal Optica, scientists of Leibniz-Institute of Photonic Technology (Leibniz IPHT) in Jena showed that they can accurately control the optical properties of liquid-core fiber lasers and therefore their spectral band width by temperature and pressure tuning.
Already last year, the researchers provided experimental proof of a new dynamic of hybrid solitons– temporally and spectrally stationary light waves resulting...
Scientists from the University of Freiburg and the University of Basel identified a master regulator for bone regeneration. Prasad Shastri, Professor of...
Moving into its fourth decade, AchemAsia is setting out for new horizons: The International Expo and Innovation Forum for Sustainable Chemical Production will take place from 21-23 May 2019 in Shanghai, China. With an updated event profile, the eleventh edition focusses on topics that are especially relevant for the Chinese process industry, putting a strong emphasis on sustainability and innovation.
Founded in 1989 as a spin-off of ACHEMA to cater to the needs of China’s then developing industry, AchemAsia has since grown into a platform where the latest...
The BMBF-funded OWICELLS project was successfully completed with a final presentation at the BMW plant in Munich. The presentation demonstrated a Li-Fi communication with a mobile robot, while the robot carried out usual production processes (welding, moving and testing parts) in a 5x5m² production cell. The robust, optical wireless transmission is based on spatial diversity; in other words, data is sent and received simultaneously by several LEDs and several photodiodes. The system can transmit data at more than 100 Mbit/s and five milliseconds latency.
Modern production technologies in the automobile industry must become more flexible in order to fulfil individual customer requirements.
An international team of scientists has discovered a new way to transfer image information through multimodal fibers with almost no distortion - even if the fiber is bent. The results of the study, to which scientist from the Leibniz-Institute of Photonic Technology Jena (Leibniz IPHT) contributed, were published on 6thJune in the highly-cited journal Physical Review Letters.
Endoscopes allow doctors to see into a patient’s body like through a keyhole. Typically, the images are transmitted via a bundle of several hundreds of optical...
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