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Clinical Trials/NCT02266732
NCT02266732CompletedNot Applicable

Ultrasound Vs Nerve Stimulation - Why is a PNS so Effective?

The Leeds Teaching Hospitals NHS Trust0 sites20 target enrollmentStarted: May 1, 2011Last updated:
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Conditions

Trial Snapshot

Phase
Not Applicable
Status
Completed
Sponsor
Enrollment
20
Primary Endpoint
Nerve stimulation resulting in muscle contraction or not
Study OverviewStudy DesignEligibility CriteriaOutcomesInvestigatorsRecords & IdentifiersSimilar Trials

Study Overview

Brief Summary

The traditional model of localizing a nerve for blockade is using a peripheral nerve stimulator, PNS. Recent advances in UltraSound technology has allowed UltraSound to guide nerve blockade. However despite excellent visualization nerve block success has not significantly improved. I aim to show that this is because the PNS stimulation of a nerve is more than a proximity response as thought but a correct fascial plane response and hence the high success rate of this blind approach.

Study Design

Study Type
Interventional
Allocation
Non Randomized
Intervention Model
Parallel
Primary Purpose
Treatment
Masking
None

Eligibility Criteria

Ages
18 Years to 70 Years (Adult, Older Adult)
Sex
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • •ASA 1 to 3 patients for any shoulder surgery or unilateral ACL knee surgery

Exclusion Criteria

  • •Refusal to consent
  • •Allergy to Chirocaine local anaesthetic
  • •Pace maker in situ
  • •Sepsis at site of regional block

Outcomes

Primary Outcomes

Nerve stimulation resulting in muscle contraction or not

Time Frame: Five minutes

Whether the nerve is successfully stimulated, resulting in muscle contraction, or not when the needle is on the wrong side of the fascial layer.

Secondary Outcomes

No secondary outcomes reported

Investigators

Sponsor
The Leeds Teaching Hospitals NHS Trust
Sponsor Class
Other
Responsible Party
Sponsor

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