- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01020929
Incidence of Simultaneous Epidural and Intravascular Injection
Incidence of Simultaneous Epidural and Intravascular Injection During Cervical and Lumbosacral Transforaminal Epidural Injections
The investigator hopes to learn the incidence of needle placement in both the epidural and intravascular space, and learn mixed epidural-intravascular pattern related to needle type, gauge, and level of injection. We also hope to evaluate the length of fluoroscopy time when using real time fluoroscopy during contrast dye injection, evaluate the radiation exposure to the hands of the physician during this protocol, and confirm the incidence fo intravascular injection and sensitivity of needle flash of blood, In the lumbar spine, vascular contrast patterns are more than twice as likely to appear simultaneous to the anticipated epidural pattern, than they are to occur alone. This is important since practitioners are more likely to miss a vascular pattern that occurs simultaneous to epidural spread, than they are to occur alone. The incidence of intravascular penetration in cervical transforaminal epidural injections is known to exceed that of lumbar injections, however no study has determined the incidence of simultaneous epidural and vascular injection in the cervical spine. This study may prove that real time fluoroscopy during contrast injection is warranted to prevent intravascular injection and resultant side effects to support this as standard of care.
Intermittent fluoroscopy can yield false-negative results for intravascular injection when simultaneous epidural and intravascular injection occurs. This could lead to an increased risk of complication from intravascular injection of medications and reduce overall efficacy. No studies to date have quantified the incidence of needle placement located in both the intravascular space and epidural space simultaneously.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Any patient undergoing a lumbar or cervical transforaminal epidural, as ordered by their treating physician will provide written informed consent before the procedure is conducted. The contents of the consent forms will be used to explain the study to patients. There are no drug treatments associated with the study other than those which are part of the existing treatment plan. There is no subject randomization. Subjects will be recruited consecutively.
Patients with pregnancy, coagulopathy, systemic infection, allergy to contrast dye, mentally disabled or those whom are unable to give informed consent will be excluded from the study.
- One experienced physician (>5 years experience) will use intermittent fluoroscopy to place needle for transforaminal epidural position using standard techniques. The physician will then use real time fluoroscopy when injecting the contrast solution to determine pattern of contrast flow (his standard of care).
For each individual epidural site (each level and side per patient per setting counted as separate injections) the following will be identified:
- Patients age
- Diagnosis (reason for epidural) i.e. spinal stenosis, HNP, DDD
- Procedure level
- Gauge of needle
- Type of needle tip
- Aspiration of blood in needle hub pre-injection
- Contrast pattern using real time fluoroscopy
- Number of attempts of needle positioning
- Total fluoro time per case
- The physician will routinely wear a ring radiation badge to determine average radiation exposure to his hand.
- Analyze results
- Confirm incidence of intravascular pattern per level and determine incidence of mixed intravascular-epidural pattern per level.
- Quantify average fluoro exposure time and compare to average flouro time of identical procedures using intermittent fluoroscopy.
All of the procedures for this protocol are standard of care.
All data is collected during the procedure. There will be no follow-ups after the procedure.
We will be asking participants if they are willing to be contacted regarding future research studies that may be of interest to them.
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
-
-
California
-
Stanford, California, United States, 94305
- Stanford University School of Medicine
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion:
- Any patient undergoing a lumbar or cervical transforaminal epidural, as ordered by their treating physician.
- Ability to give informed consent.
Exclusion:
- Pregnancy
- Coagulopathy
- Systemic infection
- Allergy to contrast dye
- Mentally disabled or those whom are unable to give informed consent
Study Plan
How is the study designed?
Design Details
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
Presence or Absence of Vascular Patterns
Time Frame: At the time of injection
|
At the time of injection
|
Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Matthew W Smuck, Stanford University
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- SU-09222009-3980
- 16750 (Other Identifier: Stanford University)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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