CompletedNot Applicable

Supraclavicular Block vs Retroclavicular Block: Incidence of Phrenic Nerve Paralysis

United States44 participantsStarted 2017-12-07

Plain-language summary

The aim of this study is to evaluate differences between ultrasound guided supraclavicular versus retroclavicular brachial plexus blocks: two similar brachial plexus nerve block techniques that differ in their needle trajectory and injection site.

Who can participate

Age range18 Years

SexALL

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Inclusion criteria

✓. patients scheduled for lower arm surgery
✓. patients aged 18 years or older
✓. patients ASA class I-III

Exclusion criteria

✕. Patients unable to cooperate or consent to the study
✕. pre-existing neuropathy
✕. significant pulmonary disease
✕. contralateral phrenic nerve or diaphragmatic dysfunction
✕. allergy to local anesthetics
✕. infection at needle insertion site
✕. history of coagulopathy
✕. BMI \> 40 kg/m2

What they're measuring

Incidence of IIpsilateral Diaphragmatic Paresis

Timeframe: 30 minutes post block, then postoperatively

Trial details

NCT IDNCT02631122

SponsorBrigham and Women's Hospital

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2019-06-20

View on ClinicalTrials.gov More Phrenic Nerve Paralysis trials