https://www.selleckchem.com/pr....oducts/pkr-in-c16.ht
We will analyse data using Review Manager and Trial Sequential Analysis. Meta-analysis will be performed according to the Cochrane guidelines and results will be validated according to the eight-step procedure suggested by Jakobsen et al. We will present our primary findings in a 'summary of findings' table. We will evaluate the overall certainty of evidence using the GRADE approach. This systematic review will assess the beneficial and harmful effects of perioperative pain treatment with ketamine for patients undergoing spinal surge