Supraclavicular Block vs Retroclavicular Block: Incidence of Phrenic Nerve Paralysis

Completed · Not applicable

Conditions studied: Phrenic Nerve Paralysis

In brief

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.

Key facts

Study ID

NCT02631122

Run by

Brigham and Women's Hospital

People needed

44

Starts

2017-12-07

Expected to finish

2019-06-21

Last updated by the study team

2019-10-22

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

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

You may not qualify if…

• 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

Where it is running

• Kamen Vlassakov — Boston, Massachusetts, United States

Full record on ClinicalTrials.gov

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