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The Retroclavicular Approach for Regional Anesthesia

NCT ID: NCT01852396

Last Updated: 2013-08-13

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE4

Total Enrollment

50 participants

Study Classification

INTERVENTIONAL

Study Start Date

2013-04-30

Study Completion Date

2013-05-31

Brief Summary

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The goal of this study is to demonstrate that the novel retroclavicular approach is a safe, fast and effective technique for ultrasound-guided brachial plexus anesthesia.

Detailed Description

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Classic infraclavicular approach of the brachial plexus involves a needle puncture below the clavicle and advancing the needle with a 45-60 degree angle from cephalad to caudad. The aim is to advanced the block needle posterior to the axillary artery and to deposit the local anesthetic at that point, near the posterior cord. A "U" shaped spread around the artery should ensure distribution around all three cords. Ultrasound guidance is highly recommended and neurostimulation is optional.

The retroclavicular approach is a variant to this classical technique. Ultrasound probe is positioned initially below the clavicle in a manner similar to the classic approach but is then rotated in a clockwise fashion (right arm) or counter-clockwise fashion (left arm) for about 25-35 degrees. The puncture site is just behind the clavicle at the most lateral point available. If initial entry point is optimal, needle direction is then parallel to ultrasound probe. The final aim and position of block needle is identical to classical approach. Entry point ensures a parallel alignment of the needle and the ultrasound beam, thus enabling almost perfect visualization of both artery, cords and block needle. This is turn optimizes safety, rapidity of technique, efficiency and efficacy.

Conditions

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Describe Novel Approach to Brachial Plexus Anesthesia

Keywords

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Infraclavicular block Brachial Plexus Retroclavicular Approach Complications of retroclavicular approach Success of retroclavicular approach

Study Design

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Allocation Method

NA

Intervention Model

SINGLE_GROUP

Primary Study Purpose

SUPPORTIVE_CARE

Blinding Strategy

NONE

Study Groups

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Regional anesthesia

Recruit 50 patient having elbow, forearm, wrist or hand surgery and block brachial plexus using the novel retroclavicular approach

Group Type EXPERIMENTAL

Retroclavicular block

Intervention Type PROCEDURE

Retroclavicular approach ultrasound guided regional anesthesia

Interventions

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Retroclavicular block

Retroclavicular approach ultrasound guided regional anesthesia

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Elective or Urgent Surgery of the hand, wrist or forearm
* 18 years and older
* Ability to consent
* American Society of Anesthesiologists class 1 to 3

Exclusion Criteria

* Infection at the site of infection
* Abnormal anatomy at the site of infection
* Coagulopathy
* Severe Pulmonary Disease
* Preexisting neurological symptom(s) in the operated arm
* Pregnant patients
* Patients weighing less than 50 kg
* Allergy to amide type local anesthetics
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Université de Sherbrooke

OTHER

Sponsor Role lead

Responsible Party

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Pablo Echave

Anesthesiologist

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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Pablo Echave, Doctor

Role: PRINCIPAL_INVESTIGATOR

Université de Sherbrooke

Locations

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Centre Hospitalier Universitaire de Sherbrooke

Sherbrooke, Quebec, Canada

Site Status

Countries

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Canada

Other Identifiers

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13-020

Identifier Type: -

Identifier Source: org_study_id