A team of
เล่นสล็อตscientists at Yale University stressed that the research does not restore cognitive abilities in pig brains taken from dead pigs. But it is a specially designed experiment to avoid such an unlikely revival.
The study raises many questions about medical ethics. Including several questions about the definition of cerebral death. And the potential impacts on the organ donation process.
Yale University pointed out that The main aim of the research is to create future possibilities that will enable scientists to analyze the entire brain of large mammals. However, it is limited to only a small sample of brain tissue.
The study, supported by the National Institutes of Health, and the results of the trial, published in the journal Nature, contrasts the long-established conception of cerebral death. It is considered that cerebral death is the cessation of cellular activity in the brain without being able to recover within seconds. Or a few minutes after the brain is lacking oxygen or lack of blood to nourish.
The experiment points to a limited recovery of function in pig brain cells. The brains of this pig are obtained from a slaughterhouse. The team injected a special mixture of a chemical used to treat the condition into pigs' brains. And it was found that pig brain cells were still active 4 hours after the pig died.
Nenad Sestan, lead author of the study, said that the complete brains of large mammals maintain their ability to regain activity in molecules and brain cells during hours of downtime. Which is a feature that the medical community had never expected
And at the lab at Yale University The researchers developed a system called BrainEx for injecting artificial nutrients into the vascular system that nourishes the brains of pigs.
Zvonimir Vrselja, an assistant brain neurologist, said the pig brains used in the study were not considered living brains. But is the brain that still has activity in cells only
While the results of this study do not offer any brain therapy that is currently beneficial for people. But the results of the experiment led to a new research research. That may eventually help doctors find ways to restore brain function in people who have fallen ill from a stroke. Or to test new therapies Used to treat brain cells damaged by injuries
But at the same time This experiment may create a new round of uncertainty about determining what is death. At this moment, it is considered that the person dies if all brain functions are ceased and cannot be recovered.
Which this definition has resulted in the patient making a decision according to the code of conduct that When will the patient be discontinued? I turned to the treatment of the patient's organs.
This post was edited by JIRAPORN NONNOILL at January 7, 2021 11:09 PM MST