NCT01716078WithdrawnNot Applicable
The Effect of Brachial Plexus Nerve Block on Distal Peripheral Nerve Conduction
Defense and Veterans Center for Integrative Pain Management1 site in 1 countryStarted: November 2011Last updated:
Conditions
Trial Snapshot
- Phase
- Not Applicable
- Status
- Withdrawn
- Sponsor
- Locations
- 1
- Primary Endpoint
- Compund Muscle Action Potential (CMAP) amplitude
Study Overview
Brief Summary
The purpose of this study is to determine the conducting ability of distal extremity nerves after a supraclavicular brachial plexus nerve block (with local anesthetic) has been placed at a more proximal location in the upper extremity.
Study Design
- Study Type
- Observational
- Observational Model
- Cohort
- Time Perspective
- Prospective
Eligibility Criteria
- Ages
- 18 Years to — (Adult, Older Adult)
- Sex
- All
- Accepts Healthy Volunteers
- No
Inclusion Criteria
- •Male and female military health care beneficiaries 18 years and older, capable of providing informed consent indicating awareness of the investigational nature of the study, in keeping with institutional policy
- •Written informed consent must be obtained from each patient prior to entering the study
- •Patients must be willing to have a regional anesthetic nerve block placed prior to their scheduled procedure
- •Patients must be willing to have neurodiagnostic tests performed prior to placement and after placement of the regional anesthesia nerve block
Exclusion Criteria
- •Refusal to have a brachial plexus nerve block placed
- •Refusal to have serial nerve conduction studies performed
- •Contraindication for a regional anesthesia nerve block (allergy to local anesthetic, infection at site of injection, elevated coagulation time)
- •Presence of conditions affecting the hand or arm (e.g., injury, infection) that might preclude the performance of nerve conduction studies
- •Presence of known major abnormalities of nerve conduction, e.g., absent median sensory potential in a patient scheduled for carpal tunnel release
- •Presence of conditions affecting the contralateral hand or arm (e.g., injury, infection) that might preclude the performance of sensory and motor studies to test block or absence of a contralateral upper extremity
Outcomes
Primary Outcomes
Compund Muscle Action Potential (CMAP) amplitude
Time Frame: 1 day
measured for motor studies from baseline to peak in mV
Secondary Outcomes
- Distal Latency(1 day)
- Peak Latency(1 day)
- Onset Latency(1 day)
Investigators
Study Sites (1)
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