Intravascular Injection Rates During Lumbar Medial Branch Block

Study Overview
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Brief Summary
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The purpose of this study is to compare using Toughy needle has an advantage of reducing the incidence of vasucular puncture during lumbar medial branch block.

Detailed Description
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In previous reports, the use of Toughy needle was thought to reduce the incidence of intravascular injection during lumbar transforaminal injection. Blunt needles with a pencil point tip, such as Whitacre needles, are not as sharp at their tip as are Quincke needles, which have bevels. Toughy or blunt needles may therefore be less likely to penetrate a vessel during a procedure. Hence, the investigators postulated the incidence of intravenous uptake would be significantly lower using a Toughy needle than using a Quincke needle for lumbar medial branch block. To confirm the intravascular injection rates, the investigators used the real time fluoroscopy after injection of contrast medium. The goal of this study was to compare the incidence of intravascular injection rate betweeen Toughy and Quincke needles using real time fluoroscopy during lumbar medial branch block

Official Title
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Comparison of Intravascular Injection Rates During Cervical and Lumbar Medial Branch Block Using Touhy or Quincke Type Needle

Conditions
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Intravascular Injection

Intervention / Treatment
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* Procedure: medial branch block


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: facet joint arthropathy Exclusion Criteria: allergy to local anesthetics or contrast medium pregnancy spine deformity neurologic abnormality

Ages Eligible for Study
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Minimum Age: 20 Years
Maximum Age: 79 Years

Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Double


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Active Comparator: Touhy needle group<br>medial branch block with touhy needle | Procedure: medial branch block<br>* lumbar medial branch block<br>* Other names: lumbar medial branch block;|
| Placebo Comparator: Quincke needle group<br>medial branch block with Quincke needle | Procedure: medial branch block<br>* lumbar medial branch block<br>* Other names: lumbar medial branch block;|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| incidence of intravascular injection | incidence of intravascular injection during lumbar medial branch block | 1 minute after finishing lumbar medial branch block | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| time required to complete lumbar medial branch block | time required to complete lumbar medial branch block | Baseline, 1 second after the completion of lumbar medial branch block | 
| radiation amout to complete lumbar medial branch block | radiation amout to complete lumbar medial branch block | Baseline, 1 second after the completion of lumbar medial branch block | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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intravascular injection