Ryosuke Takahashi1, Yukihiro Kajita1,2, Yohei Harada2, Yusuke Iwahori3, Masataka Deie2. 1. Department of Orthopaedic Surgery, Ichinomiya Nishi Hospital, Japan. 2. Department of Orthopaedic Surgery, Aichi Medical University, Japan. 3. Department of Orthopaedic Surgery, Asahi Hospital, Japan.
Abstract
BACKGROUND: With the increasing number of patients undergoing arthroscopic rotator cuff repair (ARCR), postoperative pain control in these patients has become an important issue. We investigated and compared post-operative pain relief with intravenous acetaminophen (IA) and interscalene brachial plexus block (IBPB) after ARCR. METHODS: This prospective study involved 66 consecutive patients who underwent ARCR in 2019-2020 at our hospital. Overall, 23 and 43 shoulders were assigned to the IA and IBPB groups, respectively. We evaluated the visual analog scale (VAS) pain scores at rest, during activity, and at night for the first 72 h postoperatively. We compared the results statistically between the groups. A p-value <0.05 was considered statistically significant. RESULTS: VAS scores for night pain in the IBPB group were significantly lower than those in the IA group for the first 24 h postoperatively (p = 0.017). In contrast, the same scores were significantly lower in the IA group than in the IBPB group at 72 h postoperatively (p = 0.024). Other scores were not significantly different between the groups. CONCLUSIONS: IBPB provides superior night pain control during the first 24 h postoperatively, and IA provides superior night pain control at 72 h postoperatively. However, there were no significant differences in other pain scores between the two groups.
BACKGROUND: With the increasing number of patients undergoing arthroscopic rotator cuff repair (ARCR), postoperative pain control in these patients has become an important issue. We investigated and compared post-operative pain relief with intravenous acetaminophen (IA) and interscalene brachial plexus block (IBPB) after ARCR. METHODS: This prospective study involved 66 consecutive patients who underwent ARCR in 2019-2020 at our hospital. Overall, 23 and 43 shoulders were assigned to the IA and IBPB groups, respectively. We evaluated the visual analog scale (VAS) pain scores at rest, during activity, and at night for the first 72 h postoperatively. We compared the results statistically between the groups. A p-value <0.05 was considered statistically significant. RESULTS: VAS scores for night pain in the IBPB group were significantly lower than those in the IA group for the first 24 h postoperatively (p = 0.017). In contrast, the same scores were significantly lower in the IA group than in the IBPB group at 72 h postoperatively (p = 0.024). Other scores were not significantly different between the groups. CONCLUSIONS: IBPB provides superior night pain control during the first 24 h postoperatively, and IA provides superior night pain control at 72 h postoperatively. However, there were no significant differences in other pain scores between the two groups.
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