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HThe nepose works better than a powerful anesthetic and may soon become the norm for elderly people with arthritis after a historic trial.
The doctors welcomed the findings of a new study that an anesthetic powerful enough to lull patients to have been successfully replaced by a virtual reality experience.
Participants requiring operations at the shoulder, hands or knees received headphones and were taken on a virtual underwater tour, with a soothing female voice reminiscent of various fish and other underwater elements. sailors.
They had each received a local anesthetic, but Virtual Reality Hypnosis (VRHD) distraction was used to replace the intravenous sedation that these patients would normally have.
This can put people to sleep, but does not induce full and controlled coma of a general anesthesia.
Doctors at the Erasmus CUB Hospital in Brussels found that VRHD successfully replaced intravenous sedation in three quarters of patients who had underwater sedation during the operation.
Meanwhile, 90% of those who had had an RVHD ten minutes before and during the operation had no need for intravenous sedation.
The researchers said that virtual reality hypnosis would be ideal for older patients who undergo this type of non-major joint surgery because they do not involve significant sedation risk or longer recovery time.
Intravenous sedation usually causes side effects such as drowsiness, headache and dry mouth for several hours.
Dr. Delphine Van Hecke, who co-directed the research, said, "Although the way virtual reality reduces anxiety and pain is unclear, it is thought to create a distraction that prevents Mind to feel pain.
"Further studies should focus on other procedures tailored to the use of VRHD, particularly its potential benefits to children as premedication or in low-pain procedures."
Presented at the Euroanaesthesia Congress in Vienna, the results also showed that VRHD patients had, before and during the procedure, comfort and satisfaction levels similar to those receiving intravenous sedation.
Virtual reality software, which allowed patients to look at 360 degrees, was designed to slow down patients' breathing patterns.
Dr Dragos Chirnoaga, the other principal investigator, said: "Given the immersive and embarrbading nature of the virtual reality experience, this technology has the capacity to act as a preventive intervention transforming the Local anesthesia into a less painful and potentially painless medical procedure. "
The trial involved 60 adults undergoing orthopedic surgery with local anesthetic. A control group of twenty people randomly saw a standard intravenous sedation without any virtual reality, while a second group received a VRHD during the procedure and an intravenous sedation only if the patients reported pain scores of three out of 10.
The third group of 20 started the VRHD before the procedure. The results also showed a reduction in anxiety in patients who had not had intravenous sedation compared to those who had had it.
Unique cases of people undergoing operations without anesthesia after hypnosis have been reported for a long time, but scientists have so far failed to devise a standard approach to hypnosis that is suitable for all patients.
Dr. Chirnoaga said his method should be tested on larger patient bodies before being approved for general use. Parallel research is also taking place on the genetic explanations of pain in order to develop therapies to "extinguish" the genes responsible.
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