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Clinical Trial Summary

The optimal analgesic peripheral nerve block (or combinations thereof) are undefined for clavicle fractures, the most frequent fracture in the human population. This goal of this study is to determine whether interscalene block (ISB), superficial cervical plexus block (SCPB), or both provide the best analgesia for lateral and midshaft clavicular fractures, respectively.


Clinical Trial Description

Clavicle fractures are relatively common injuries that occur most often in young active males and elderly individuals. They are often a result of direct trauma to the shoulder, typically from a fall. Clavicle fractures represent 5-10% of all fractures and represent the most frequent fracture in the human population. Midshaft fractures account for 69-85% of the clavicle fractures, distal shaft fractures 12-28%. (1) Analgesia for clavicle fractures can be challenging for anaesthetists secondary to the complex and varied innervation in this region. Literature describing the innervation of the clavicle and overlying skin is heterogeneous with the C3 to C6 nerve roots being involved. The clavicle itself has been reported to be innervated either by C4 or by C5 and C6 (subclavian nerve) nerve roots. (2) Regional anaesthesia for intraoperative and postoperative analgesia of clavicle fractures employs several possible, commonly used approaches. The contemporary literature surrounding the optimal regional anaesthetic technique for clavicle surgery which can provide superior postoperative analgesia and minimize systemic agents intraoperatively is lacking Currently there are only small case series or case reports published. Peripheral nerve blocks used to anesthetize the clavicle include SCPB, ISB, and combined SCPB-ISB. Larger, systematic trials have not yet been performed to our knowledge and as recently as one year ago a call for more evidence in this area of regional anaesthesia was published in the American Society of Regional Anesthesia and Pain Medicine. The purpose of this study is to compare analgesic outcomes after the common regional anesthetic techniques (ISB versus SCPB versus both). ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03094481
Study type Interventional
Source Sunnybrook Health Sciences Centre
Contact Paul McHardy, MD, FRCPC
Phone 4164804864
Email paul.mchardy@sunnybrook.ca
Status Recruiting
Phase N/A
Start date October 21, 2016
Completion date March 1, 2020

See also
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