Intravascular Injection Rates During Lumbar Medial Branch Block

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

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT05020509

Enrollment

Registered

2021-08-25

Start date

2021-08-12

Completion date

2021-10-30

Last updated

2021-11-02

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Intravascular Injection

Keywords

intravascular injection

Brief summary

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

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

Interventions

PROCEDUREmedial branch block

lumbar medial branch block

Study design

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

TREATMENT

Masking

DOUBLE (Subject, Outcomes Assessor)

Eligibility

Sex/Gender

ALL

Age

20 Years to 79 Years

Healthy volunteers

Inclusion criteria

* facet joint arthropathy

Exclusion criteria

* allergy to local anesthetics or contrast medium * pregnancy * spine deformity * neurologic abnormality

Design outcomes

Primary

Measure	Time frame	Description
incidence of intravascular injection	1 minute after finishing lumbar medial branch block	incidence of intravascular injection during lumbar medial branch block

Secondary

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

Countries

South Korea

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026