| Title | First Human Head Transplant Could Happen in Two Years | |
| Date | Friday February 27 2015, @10:04AM | |
| Author | n1 | |
| Topic | ||
| from the what-will-they-transplant-next dept. | ||
Michelle Star writes at C/net that Surgeon Sergio Canavero, director of the Turin Advanced Neuromodulation Group in Italy, believes he has developed a technique to remove the head from a non-functioning body and transplant it onto the healthy body. According to Canavero's paper published in Surgical Neurology International, first, both the transplant head and the donor body need to be cooled in order to slow cell death. Then, the neck of both would be cut and the major blood vessels linked with tubes. Finally, the spinal cords would be severed, with as clean a cut as possible. Joining the spinal cords, with the tightly packed nerves inside, is key. The plan involves flushing the area with polyethylene glycol, followed by several hours of injections of the same, a chemical that encourages the fat in cell membranes to mesh. The blood vessels, muscles and skin would then be sutured and the patient would be induced into a coma for several weeks to keep them from moving around; meanwhile, electrodes would stimulate the spine with electricity in an attempt to strengthen the new nerve connections.
Head transplants have been tried before. In 1970, Robert White led a team at Case Western Reserve University in Cleveland, US, that tried to transplant the head of one monkey on to the body of another. The surgeons stopped short of a full spinal cord transfer, so the monkey could not move its body. Despite Canavero’s enthusiasm, many surgeons and neuroscientists believe massive technical hurdles push full body transplants into the distant future. The starkest problem is that no one knows how to reconnect spinal nerves and make them work again. “This is such an overwhelming project, the possibility of it happening is very unlikely,” says Harry Goldsmith.
AnonTechie writes:
This experimental study has confirmed a method to avoid cerebral ischemia during the surgery and solved an important part of the problem of how to accomplish long-term survival after transplantation and preservation of the donor brain stem.
http://gizmodo.com/the-crazy-science-behind-a-proposed-human-head-transpla-1688014257
http://www.huffingtonpost.com/2013/07/06/head-transplant-italian-neuroscientist_n_3533391.html
[Abstract]: http://onlinelibrary.wiley.com/doi/10.1111/cns.12341/abstract
| Links |
printed from SoylentNews, First Human Head Transplant Could Happen in Two Years on 2024-04-18 10:10:38