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KMID : 1207720090010010048
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Clinics in Orthopedic Surgery
2009 Volume.1 No. 1 p.48 ~ p.53
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Comparison of Analgesic Efficacy between Single Interscalene Block Combined with a Continuous Intra-bursal Infusion of Ropivacaine and Continuous Interscalene Block after Arthroscopic Rotator Cuff Repair
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Oh Joo-Han
Rhee Ka-Young
Kim Se-Hun
Lee Pyung-Bok
Lee Joon-Woo
Lee Seok-Jae
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Abstract
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Background:This study evaluated the effectiveness of a continuous interscalene block (CISB) by comparing it with that of a single interscalene block combined with a continuous intra-bursal infusion of ropivacaine (ISB-IB) after arthroscopic rotator cuff repair.
Methods:Patients who had undergone CISB (CISB group; n = 25) were compared with those who had undergone ISB-IB (ISB-IB group; n = 25) for more than 48 hours after surgery. The visual analog scale (VAS) for pain, motor and/or sensory deficit, supplementary analgesics and adverse effects were recorded.
Results:There were no significant differences between the postoperative VAS of the CISB and ISB-IB groups, except at 1 hour after surgery. Their supplementary analgesics of the two groups were similar. Transient motor weakness (52%) and sensory disturbance (40%) of the affected arm were observed in patients in the CISB group. The catheters came out accidentally in 22% of the CISB group but in only 4% of the ISB-IB group.
ConslusionsISB-IB provides similar analgesia to CISB. However, the ISB-IB group had a lower incidence of neurological deficits and better catheter retention.
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KEYWORD
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Shoulder, Rotator cuff tear, Postoperative pain control, Continuous interscalene block, Single interscalene block with intra-bursal infusion, Arthroscopic rotator cuff repair.
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