Background And Objectives: In this study, the aim was to compare postoperative analgesia effects of the administration of ultrasound-guided interscalene brachial plexus block and intra-articular bupivacaine carried out with bupivacaine.
Methods: In the first group of patients 20mL 0.25% bupivacaine and ultrasound-guided interscalene brachial plexus block (ISPB) were applied, while 20mL 0.25% bupivacaine was given via intra-articular (IA) administration to the second group patients after surgery. Patients in the third group were considered the control group and no block was performed. Patient-controlled analgesia (PCA) with morphine was used in all three groups for postoperative analgesia.
Results: In the ISPB group, morphine consumption in the periods between 0-4, 6-12 and 12-24 postoperative hours and total consumption within 24h was lower than in the other two groups. Morphine consumption in the IA group was lower than in the control group in the period from 0 to 6h and the same was true for total morphine consumption in 24h. Postoperative VASr scores in the ISPB group were lower than both of the other groups in the first 2h and lower than the control group in the 4(th) and 6(th) hours (p<0.05). In the IA group, VASr and VASm scores in the 2(nd), 4(th) and 6(th) hours were lower than in the control group (p<0.05).
Conclusion: Interscalene brachial plexus block was found to be more effective than intra-articular local anesthetic injection for postoperative analgesia.
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