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Suprascapular and Interscalene Nerve Block for Shoulder Surgery: A Systematic Review and Meta-analysis.

Abstract：

BACKGROUND:Interscalene block provides optimal shoulder surgery analgesia, but concerns over its associated risks have prompted the search for alternatives. Suprascapular block was recently proposed as an interscalene block alternative, but evidence of its comparative analgesic effect is conflicting. This meta-analysis compares the analgesic effect and safety of suprascapular block versus interscalene block for shoulder surgery. METHODS:Databases were searched for randomized trials comparing interscalene block with suprascapular block for shoulder surgery. Postoperative 24-h cumulative oral morphine consumption and the difference in the area under curve for pooled rest pain scores were designated as primary outcomes. Analgesic and safety outcomes, particularly block-related and respiratory complications, were evaluated as secondary outcomes. Results were pooled using random-effects modeling. RESULTS:Data from 16 studies (1,152 patients) were analyzed. Interscalene block and suprascapular block were not different in 24-h morphine consumption. The difference in area under the curve of pain scores for the 24-h interval favored interscalene block by 1.1 cm/h, but this difference was not clinically important. Compared with suprascapular block, interscalene block reduced postoperative pain but not opioid consumption during recovery room stay by a weighted mean difference (95% CI) of 1.5 cm (0.6 to 2.5 cm; P < 0.0001). Pain scores were not different at any other time. In contrast, suprascapular block reduced the odds of block-related and respiratory complications. CONCLUSIONS:This review suggests that there are no clinically meaningful analgesic differences between suprascapular block and interscalene block except for interscalene block providing better pain control during recovery room stay; however, suprascapular block has fewer side effects. These findings suggest that suprascapular block may be considered an effective and safe interscalene block alternative for shoulder surgery.

journal_name

Anesthesiology

journal_title

Anesthesiology

authors

Hussain N,Goldar G,Ragina N,Banfield L,Laffey JG,Abdallah FW

doi

10.1097/ALN.0000000000001894

subject

Has Abstract

pub_date

2017-12-01 00:00:00

pages

998-1013

issue

eissn

0003-3022

issn

1528-1175

journal_volume

127

pub_type

杂志文章,meta分析,评审

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Suprascapular and Interscalene Nerve Block for Shoulder Surgery: A Systematic Review and Meta-analysis.