Showing posts with label anesthesia. Show all posts
Showing posts with label anesthesia. Show all posts

Tuesday, 15 January 2019

Effect Of Anesthesia In Surgery Of Prostate Cancer

Effect Of Anesthesia In Surgery Of Prostate Cancer.
For men having prostate cancer surgery, the paradigm of anesthesia doctors use might commission a idiosyncrasy in the odds of the cancer returning, a new study suggests. Researchers found that of nearly 3300 men who underwent prostate cancer surgery, those who were given both widespread and regional anesthesia had a lower risk of seeing their cancer develop than men who received only general anesthesia. Over a period of 15 years, about 5 percent of men given only extended anesthesia had their cancer recur in their bones or other sites, the researchers said.

That compared with 3 percent of men who also received regional anesthesia, which typically meant a spinal injection of the anodyne morphine, increased by a numbing agent. None of that, however, proves that anesthesia choices straight affect a prostate cancer patient's prognosis. "We can't conclude from this that it's cause-and-effect," said elder researcher Dr Juraj Sprung, an anesthesiologist at the Mayo Clinic in Rochester, Minn.

But one theory is that spinal painkillers - get a bang the opioid morphine - can form a difference because they curb patients' need for opioid drugs after surgery. Those post-surgery opioids, which move the whole body, may decrease the immune system's effectiveness. That's potentially worthy because during prostate cancer surgery, some cancer cells usually emanate into the bloodstream - and a fully functioning immune response might be needed to kill them off. "If you from opioids after surgery, you may be increasing your ability to fight off these cancer cells.

The study, reported online Dec 17, 2013 in the British Journal of Anaesthesia, is not the primary to see a connection between regional anesthesia and a lower risk of cancer recurrence or progression. Some past studies have seen a almost identical pattern in patients having surgery for breast, ovarian or colon cancer. But those studies, liking for the current one, point only to a correlation, not a cause-and-effect link. Dr David Samadi, primary of urology at Lenox Hill Hospital in New York City, agreed.

Tuesday, 17 July 2018

What Similarities And Differences Between Sleep, Amnesia And Coma

What Similarities And Differences Between Sleep, Amnesia And Coma.
Doctors can get the idea more about anesthesia, have a zizz and coma by paying attention to what the three have in common, a original report suggests. "This is an effort to try to create a common discussion across the fields," said comment co-author Dr Emery N Brown, an anesthesiologist at Massachusetts General Hospital. "There is a relation between sleep and anesthesia: could this help us understand ways to produce supplemental sleeping medications? If we understand how people come out of anesthesia, can it help us help people come out of comas?" The researchers, who compared the corporeal signs and brain patterns of those under anesthesia and those who were asleep, make public their findings in the Dec 30, 2010 issue of the New England Journal of Medicine.

They acknowledged that anesthesia, siesta and coma are very different states in many ways and, in fact, only the deepest stages of nap resemble the lightest stages of anesthesia. And people choose to sleep, for example, but failing into comas involuntarily. But, as Brown puts it, general anesthesia is "a reversible drug-induced coma," even though physicians pick to tell patients that they're "going to sleep".

So "They believe 'sleep' because they don't want to scare patients by using the word 'coma,'" Brown said. But even anesthesiologists use the administration without understanding that it's not quite accurate. "On one level, we truthfully don't have it clear in our minds from a neurological standpoint what we're doing".