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Virtual Reality to Combat Phantom Limb Pain

November 15th, 2006 Josh Umbehr Military Medicine

In addition to using video games for the treatment of PTSD, soldiers may now be able to utilize virtual reality to cope with phantom pain from amputated limbs.

Scientists at The University of Manchester are using 3D computer graphics to combat the pain suffered by amputees.
Academics from the School of Computer Science and School of Psychological Sciences have developed a virtual reality system, which gives the illusion that a person’s amputated limb is still there.
The computer system created by Dr Stephen Pettifer and Toby Howard of the School of Computer Science, immerses patients into a life-size virtual reality world.
By putting on a headset, patients will see themselves with two limbs. They can use their remaining physical limb to control the movements of a computer-generated limb, which appears in the 3D computer-generated world in the space of their amputated limb.
So for example, they can use their physical right arm to control the movement of their virtual left arm.
Patients have complex hand-eye coordination and can move their fingers, hands, arms, feet and legs. They can also use their virtual limb to play ball games.
Phantom limb pain or PLP is discomfort felt by a person in a limb that is missing due to amputation. Previous research has found that when a person’s brain is ‘tricked’ into believing they can see and move a ‘phantom limb’, pain can decrease.
So far, five patients living in the Manchester area – including one who has suffered from PLP for 40 years – have used the virtual reality system over several weeks in a small-scale study.
But this initial project has produced startling results, with four out of the five patients reporting improvement in their phantom limb pain. Some improvements were almost immediate.
The Manchester team’s findings were recently presented at a major conference in Denmark on the use of virtual reality for rehabilitation.
Project leader, Dr Craig Murray of the School of Psychological Sciences, said ‘Many people who undergo an amputation experience a phantom limb. These are often very painful for the person concerned. They can persist for many years, and are very difficult to treat.
‘One patient felt that the fingers of her amputated hand were continually clenched into her palm, which was very painful for her. However, after just one session using the virtual system she began to feel movement in her fingers and the pain began to ease.’

Read more at the press office of University of Manchester. . .

Josh Umbehr

Josh Umbehr, MD founded AtlasMD Concierge Family Practice, one of the fastest growing insurance-free practices in the country. Currently developing an industry leading platform for direct primary care physicians: Atlas EMR Software for Concierge Medicine.

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