Two new studies have shown that for certain types of operations, the use of surgical robots may not be effective.
Surgical robots are widely used for a variety of operations. They allow you to achieve high accuracy and eliminate the possibility of infection of a human surgeon – doctor controls the movements of the device remotely. However, the authors of two new studies found several shortcomings of these devices. It was found that for certain types of operations, the use of the robot makes the procedure longer and more expensive.
US researchers compared two groups of patients who underwent surgery to remove the kidney in 416 US hospitals from January 2003 to September 2015. 18,573 procedures carried out the traditional method, and 5180 – with the use of surgical robots. In both groups, the operation done laparoscopically, through small incisions in the patient’s body. The complication rate was approximately the same. However roboassistirovannye operation nearly twice as likely to have lasted more than four hours. Also, the presence of robots, as expected, increased hospital costs. Average expenses for 90 days amounted to $ 16,851, where the robots are not used. The presence of such devices has raised costs for the same period to $ 19,530.
The device requires additional space, at considerable cost and scheduled repair robot.
Similar figures come and an international group of researchers working on the project ROLARR (RObotic Versus LAparoscopic Resection for Rectal Cancer). In a randomized clinical trial involved 471 patients with rectal adenocarcinoma. 237 people have received the operation with the help of a robot, 234 – the traditional procedure. Roboassistirovannye intervention lasted on average 37 minutes longer. Expenses were also higher.
The researchers emphasize that in some cases, surgical robots are almost indispensable. They allow you to achieve high accuracy in complicated operations – for example, when you remove the prostate gland. However, for some people, procedures, surgeons benefit from robots in time, the risks for patients are the same.
Both studies were published in the journal Journal of the American Medical Association (JAMA).
Earlier, Japanese scientists found that a surgical robot da Vinci can not be fully cleaned from pathogens. Clean the device interferes with its complex structure.
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