Comparison of the Sensitive Cutaneous Block Distribution Following Femoral Nerve Block Using Two Femoral Block Techniques

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

UNKNOWN

Clinical Phase

NA

Total Enrollment

80 participants

Study Classification

INTERVENTIONAL

Study Start Date

2016-01-31

Study Completion Date

2020-12-31

Brief Summary

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In this study, we will be comparing two approaches to the femoral block. The first or classical approach and one that is the most popular in our institution is used by combining ultrasound guidance and neurostimulator to do the block. The second is performed with the ultrasound alone aiming at the inferolateral aspect of the femoral artery with the needle and injecting. The primary endpoint of the study is the sensitive cutaneous block distribution using both techniques.

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Detailed Description

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Conditions

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Regional Anesthesia Femoral Nerve Block

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Investigators

Study Groups

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Femoral nerve block using Ultrasound and neurostimulator

Femoral block using the standard technique of ultrasound for femoral nerve identification and neurostimulator set at between 0.3-0.5 mA with quads muscle response for needle placement confirmation before injecting 20cc of Ropivacaine 0.5%.

Group Type ACTIVE_COMPARATOR

Femoral nerve block using Ultrasound and neurostimulator

Intervention Type PROCEDURE

Ropivacaine 0.5%

Intervention Type DRUG

Ropivacaine 0.5% (20cc total) will be injected for the performance of the block in the two arms of the study.

Femoral nerve block using femoral artery target

Femoral block using the alternate technique of aiming for the inferolateral aspect of the femoral artery and injecting 20cc of Ropivacaine 0.5%.

Group Type EXPERIMENTAL

Femoral nerve block using Ultrasound

Intervention Type PROCEDURE

Ropivacaine 0.5%

Intervention Type DRUG

Ropivacaine 0.5% (20cc total) will be injected for the performance of the block in the two arms of the study.

Interventions

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Femoral nerve block using Ultrasound and neurostimulator

Intervention Type PROCEDURE

Femoral nerve block using Ultrasound

Intervention Type PROCEDURE

Ropivacaine 0.5%

Ropivacaine 0.5% (20cc total) will be injected for the performance of the block in the two arms of the study.

Intervention Type DRUG

Eligibility Criteria

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Inclusion Criteria

* Patients scheduled for an elective surgery for which the anesthesiologist planned to do a single shot or continuous femoral nerve block.

Exclusion Criteria

* Any contraindication to the femoral nerve block (coagulopathy, infection, pre-existing neuropathy, local anesthetic allergy and refusal of local anesthesia).
* Refusal to participate in the study
* Inability to understand or communicate the effect of local anesthesia secondary to the femoral nerve bloc.

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No