241203-Ueno-Pain-Illustration (IMAGE) Kobe University Caption Spinal cord stimulation “is effective for some but not for other patients, and effectiveness is usually evaluated in a short trial of a few days to two weeks prior to permanent implantation. Although this trial is short, it is still an invasive and risky procedure,” says Kobe University anesthetist UENO Kyohei. Credit Kobe University Usage Restrictions Credit must be given to the creator. License CC BY Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.