Randomized, controlled trial of multimodal shoulder injection or intravenous patient-controlled analgesia after arthroscopic rotator cuff repair
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The aim of this study was to compare the effect of postoperative pain control and adverse effects of intravenous patient-controlled analgesia (IV PCA) and multimodal shoulder injection after arthroscopic rotator cuff repair.
Seventy patients scheduled for elective arthroscopic rotator cuff repair were prospectively randomized to receive either IV PCA or multimodal shoulder injections. Postoperative pain, nausea, vomiting, and other adverse effects were assessed at 2, 6, 12, 24, and 48 h after surgery. Use of rescue analgesics and antiemetics, level of satisfaction, and cost for both modalities were recorded.
Pain was better controlled in the multimodal shoulder injection group at 2 h postoperatively (P = 0.001). However, the use of additional analgesics was greater in the multimodal shoulder injection group during 12–48 h after surgery (P < 0.001). The incidence of nausea within 12–24 h after surgery in the multimodal shoulder injection group (5.7 %) was less significant compared with that in the IV PCA group (31.4 %, P = 0.012), but no difference in overall incidence of the use of rescue antiemetics was observed between the groups (n.s.). No differences in adverse effects were noted between the groups. Patient satisfaction also showed no differences (n.s.). Costs required for both modalities were $20.3 for the multimodal shoulder injection and $157.8 for the IV PCA.
Multimodal shoulder injection is a safe and effective modality for management of pain after arthroscopic rotator cuff repair. Considering the expense and need of special devices for IV PCA, multimodal shoulder injection may be an effective and safe alternative to IV PCA for postoperative analgesia after arthroscopic rotator cuff repair.
Level of evidence
Randomized, controlled trial, Level I.
KeywordsArthroscopic rotator cuff repair Intravenous patient-controlled analgesia Multimodal shoulder injection
Conflict of interest
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