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Ultrasound Guided Adductor Canal Block Versus Femoral Nerve Block for Quadriceps Strength and Fall-risk

NCT ID: NCT01655277

Last Updated: 2012-08-01

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

16 participants

Study Classification

INTERVENTIONAL

Study Start Date

2012-02-29

Study Completion Date

2012-06-30

Brief Summary

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Our objective was to determine if an ultrasound guided ACB can preserve quadriceps strength, thus minimizing weakness of knee extension compared with ultrasound guided femoral nerve block. Our primary outcome was the percent of maximum voluntary isometric contraction (MVIC) of knee extension preserved at 30 mins after either an ACB or FNB. Secondary outcomes included MVIC of knee extension at 60 min, hip adduction at 30 and 60 mins, and assessment of fall risk with the Berg Balance Scale (BBS) at 30 minutes.

Detailed Description

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Conditions

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Quadriceps Muscle Weakness Adductor Muscle Weakness Fall Risk

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

TRIPLE

Participants Investigators Outcome Assessors

Study Groups

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Adductor Canal block first

This arm received an ultrasound guided adductor canal block with 15mL of chloroprocaine 3% followed by motor, sensory and balance assessments. Then the patients received an ultrasound guided femoral nerve block with 15mL of chloroprocaine 3% followed by sensory and motor assessments.

Group Type EXPERIMENTAL

Ultrasound Guided Adductor Canal Block

Intervention Type PROCEDURE

Ultrasound Guided Femoral Nerve Block

Intervention Type PROCEDURE

Femoral nerve block first

This arm received an ultrasound guided femoral nerve block with 15mL of chloroprocaine 3% followed by motor, sensory and balance assessments. Then the patients received an ultrasound guided adductor canal block with 15mL of chloroprocaine 3% followed by sensory and motor assessments.

Group Type EXPERIMENTAL

Ultrasound Guided Adductor Canal Block

Intervention Type PROCEDURE

Ultrasound Guided Femoral Nerve Block

Intervention Type PROCEDURE

Interventions

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Ultrasound Guided Adductor Canal Block

Intervention Type PROCEDURE

Ultrasound Guided Femoral Nerve Block

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Adults (\>18yrs)
* ASA 1-2

Exclusion Criteria

* BMI \>30
* Allergy to local anesthetics
* Pre-existing gait disturbance
* Pre-existing neuropathy
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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St. Luke's-Roosevelt Hospital Center

OTHER

Sponsor Role lead

Responsible Party

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Jeff Gadsden

Director of Regional Anesthesia

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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St. Luke's Roosevelt Hospital

New York, New York, United States

Site Status

Countries

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United States

Other Identifiers

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11-202

Identifier Type: -

Identifier Source: org_study_id