Background: To observe the effect of pretreatment with ketorolac tromethamine on sufentanil-induced cough in\ngeneral anesthesia patients.\nMethods: A total of 102 patients were screened, and 90 patients were scheduled for elective surgery under general\nanesthesia. The 90 patients were randomly divided into two groups: the control group (C group) and the\nobservation group (KT group). Five minutes before anesthesia induction, the observation group was given ketorolac\ntromethamine 0.5 mg/kg intravenously within 3 s, while the control group was given the same amount of normal\nsaline intravenously.................................
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