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KMID : 0363120150280010045
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Korean Journal of Pain
2015 Volume.28 No. 1 p.45 ~ p.51
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A Comparison of Three Methods for Postoperative Pain Control in Patients Undergoing Arthroscopic Shoulder Surgery
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Park Sun-Kyung
Choi Yun-Suk
Choi Sung-Wook
Song Sung-Wook
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Abstract
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Background: Arthroscopic shoulder operations (ASS) are often associated with severe postoperative pain. Nerve blocks have been studied for pain in shoulder surgeries. Interscalene brachial plexus blocks (ISB) and an intra-articular injection (IA) have been reported in many studies. The aim of the present study is to evaluate the effect of ISB, a continuous cervical epidural block (CCE) and IA as a means of postoperative pain control and to study the influence of these procedures on postoperative analgesic consumption and after ASS.
Methods: Fifty seven patients who underwent ASS under general anesthesia were randomly assigned to one of three groups: the ISB group (n = 19), the CCE group (n = 19), and the IA group (n = 19). Patients in each group were evaluated on a postoperative numerical rating scale (NRS), their rescue opioid dosage (ROD), and side effects.
Results: Postoperative NRSs were found to be higher in the IA group than in the ISB and CCE groups both at rest and on movement. The ROD were 1.6 ± 2.3, 3.0 ± 4.9 and 7.1 ± 7.9 mg morphine equivalent dose in groups CCE, ISB, and IA groups (P = 0.001), respectively, and statistically significant differences were noted between the CCE and IA groups (P = 0.01) but not in between the ISB and CCE groups.
Conclusions: This prospective, randomized study demonstrated that ISB is as effective analgesic technique as a CCE for postoperative pain control in patients undergoing ASS.
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KEYWORD
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Analgesia, Arthroscopy, Epidural anesthesia, Interscalene block, Intraarticular injection, Pain
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