RESUMO
Objective Shoulder surgery is associated with moderate to severe pain, but there is a lack of consensus on the best analgesic method. This study was conducted to evaluate whether intra-articular injections of cocktails (betamethasone hydrochloride combined with ropivacaine) achieved better clinical effects than betamethasone hydrochloride alone after arthroscopic rotator cuff repair.Methods Eighty-six patients with rotator cuff repair under arthroscopy in our hospital from March 2017 to October 2017 were selected and divided into experiment group( ropivacaine75 mg+(betamethasone hydrochloride 2 mL) and control group((betamethasone hydrochloride 4 mL), each group 43. Visual acuity score(VAS) and the satisfaction of patients were evaluated before operation and at 4, 8, 12, 24, 48 h postoperatively.Results There was no significant difference in VAS before operation and 48 h after operation between experimental group and control group (P>0.05). But at 4, 8, 12 and 24 h after operation the VAS in experimental group is lower than that in control group(P0.05).Conclusion Cocktail (betamethasone combined with ropivacaine) intra-articular injection can significantly reduce the postoperative earlier pain within 24 hours and can improve the satisfaction of patients.