Clinical research for dose effects of ketorolac tromethamine on PCIA after hip arthroplasty

Abstract

Materials and methods Patients' information and operation processThe inclusion criteria were: age ≥ 18 years, intact cognitive function, ASA score ≤ 2, and scheduled for primary unilateral Total hip arthroplasty. Patients who were scheduled for simultaneous or staged bilateral total hip arthroplasty or for revision total hip arthroplasty were excluded. Patients with contraindications for any of the study drugs, due to allergy, regular opioid use,