Ketorolac tromethamine pretreatment suppresses sufentanil-induced cough during general anesthesia induction: A prospective randomized controlled trial

To observe the effect of pretreatment with ketorolac tromethamine on sufentanil-induced cough in general anesthesia patients. Methods: A total of 102 patients were screened, and 90 patients were scheduled for elective surgery under general anesthesia. The 90 patients were randomly divided into two groups: the control group (C group) and the observation group (KT group).