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Clinical Trial Details — Status: Not yet recruiting

Administrative data

NCT number NCT05793528
Other study ID # MU-SK-YO-20.03.23
Secondary ID
Status Not yet recruiting
Phase
First received
Last updated
Start date May 1, 2023
Est. completion date November 1, 2023

Study information

Verified date March 2023
Source Marmara University
Contact Serdar Kokar
Phone +905416415143
Email srdrkkr@hotmail.com
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

Low back pain is one of the leading causes of disability, and its social burden and economic cost are quite high. Although there are many causes that can lead to low back pain, radicular pain, which develops mostly secondary to lumbar disc hernias, is one of the most common pathologies. Epidural corticosteroid and local anesthetic injections are an important treatment option in the treatment of lumbar radicular pain that does not respond to conservative methods. For fluoroscopy-guided epidural injections; transforaminal, interlaminar and caudal approaches may be preferred. It is accepted as the superiority of the transforaminal approach that it allows access to the area of pathology, thus to the anterior epidural area where inflammatory mediators are more concentrated, and that it can spread to the target specifically around the inflamed nerve roots. In transforaminal epidural injections, the use of ultrasound as the sole imaging tool throughout the entire procedure is still not appropriate, as subbony structures cannot be visualized. However, ultrasound can be integrated at any stage of the process. Thus, the relatively inexpensive cost, portability, and ability to show non-osseous tissues of ultrasonography are utilized, particularly in terms of reducing radiation exposure. Gofeld et al. claimed that ultrasound-guided transforaminal epidural injection could be performed by targeting the posterior part of the vertebral body. However, in cases where the lamina is wide and covers the posterior of the vertebral body, it may not be possible to sonographically view the vertebral body. In addition, although the intervertebral disc is differentiated from the corpus, loss of fluid content in the elderly can cause acoustic shadowing in the disc. This may result in accidental intra-disc injections. Finally, even if the target point is reached, it is not possible to show intravascular spread at this level ultrasonographically. Therefore, in our opinion, this method is unreliable for transforaminal epidural injections. Another study used ultrasound and fluoroscopy together for transforaminal epidural injections. After imaging the lamina of the relevant vertebral level sonographically, the needle is directed to the lateral edge of the lamina, then fluoroscopic imaging is performed after it passes under the lamina with the loss of resistance technique. However, it should be known that the loss of resistance technique is not a suitable and reliable method in transforaminal injections. In addition, since it is not known how far the lamina has progressed after it has passed under the bone, in other words, imaging guidance is disabled in this part of the process. In our clinic, we use ultrasonography and fluoroscopy methods in an integrated way (hybrid method) for transforaminal epidural injections. For this purpose, we proceed to fluoroscopic imaging immediately after the spinal needle is advanced to the lateral edge of the lamina at the vertebral level where there is pathology with ultrasound. We think that with this method, we continue to stay in the safe window and reduce the radiation dose and procedure time. Based on this, we determined the aim of this study as the effect of including ultrasonography guidance in transforaminal epidural injections on radiation dose and procedure time.


Recruitment information / eligibility

Status Not yet recruiting
Enrollment 50
Est. completion date November 1, 2023
Est. primary completion date September 1, 2023
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 70 Years
Eligibility Inclusion Criteria: - Being between the ages of 18-70 - Radicular low back pain - Failure to respond to conservative treatments - Pain intensity NRS >3/10 - Lumbar nerve root compression due to disc herniation in lumbar MRI - Agree to participate in the research Exclusion Criteria: - Patients younger than 18 years old and over 70 years old - Patients describing only localized pain in the lower back without radiating to the lower extremities - Those with nerve root compression due to reasons other than disc herniation - Those with spondylolisthesis - Those with transitional vertebrae - Pregnancy - Patients with a body mass index over 30 - Patients with bleeding diathesis - Having a known psychiatric illness diagnosis - History of allergy to any of the injection substances

Study Design


Intervention

Procedure:
Fluoroscopy Guided Transforaminal Epidural Steroid Injection
The patients are positioned prone. The injection site is cleaned with povidone-iodine 3 times and a sterile drape was applied. Short-acting local anesthesia (3 mL of 2% prilocaine) is applied to the skin and subcutaneous tissue. A 3.5-inch, 22-gauge spinal needle is inserted just below the pedicle. It is advanced into the subpedicular space using the coaxial technique under the intermittent guidance of fluoroscopy. The needle position is confirmed through a lateral view. Using lateral views, the needle is placed at the posterior one-third of the foramen. Using the anteroposterior view, one to 2 mL of the contrast agent (300 mg/50 mL iohexol) is given and the distribution pattern is visualized. Once the epidural distribution of the contrast agent is confirmed without vascular flow, a mixture of 8 mg (two mL) of dexamethasone, 1 mL of physiological saline, and 1 mL (0.5%) of bupivacaine hydrochloride is injected.
Ultrasound Guided Transforaminal Epidural Steroid Injection
The patients are positioned prone placed. Following the provision of aseptic conditions, the spinous process of the vertebral midline is visualized using a low-frequency convex ultrasound probe. The lateral edge of the relevant vertebral lamina is visualized by sonographic scanning in the horizontal plane. Local anesthesia is applied to the skin and subcutaneous tissue. A 3.5-inch, 22-gauge spinal needle is advanced to the lateral edge of the relevant vertebral lamina under ultrasound image guidance. Then, anteroposterior imaging is performed with fluoroscopy to confirm needle localization when the lamina margin is reached, and the needle is guided into the foramen under the guidance of fluoroscopy. The contrast agent is given and the distribution pattern is visualized. Once the epidural distribution of the contrast agent is confirmed without vascular flow, a mixture of 2 mL of dexamethasone, 1 mL of physiological saline, and 1 mL (0.5%) of bupivacaine hydrochloride is injected.

Locations

Country Name City State
Turkey Marmara University Istanbul

Sponsors (1)

Lead Sponsor Collaborator
Marmara University

Country where clinical trial is conducted

Turkey, 

References & Publications (11)

Cohen SP, Bicket MC, Jamison D, Wilkinson I, Rathmell JP. Epidural steroids: a comprehensive, evidence-based review. Reg Anesth Pain Med. 2013 May-Jun;38(3):175-200. doi: 10.1097/AAP.0b013e31828ea086. — View Citation

Ghahreman A, Ferch R, Bogduk N. The efficacy of transforaminal injection of steroids for the treatment of lumbar radicular pain. Pain Med. 2010 Aug;11(8):1149-68. doi: 10.1111/j.1526-4637.2010.00908.x. — View Citation

Gofeld M, Bristow SJ, Chiu SC, McQueen CK, Bollag L. Ultrasound-guided lumbar transforaminal injections: feasibility and validation study. Spine (Phila Pa 1976). 2012 Apr 20;37(9):808-12. doi: 10.1097/BRS.0b013e3182340096. — View Citation

Hong JH, Park EK, Park KB, Park JH, Jung SW. Comparison of clinical efficacy in epidural steroid injections through transforaminal or parasagittal approaches. Korean J Pain. 2017 Jul;30(3):220-228. doi: 10.3344/kjp.2017.30.3.220. Epub 2017 Jun 30. — View Citation

Manchikanti L, Benyamin RM, Falco FJ, Kaye AD, Hirsch JA. Do Epidural Injections Provide Short- and Long-term Relief for Lumbar Disc Herniation? A Systematic Review. Clin Orthop Relat Res. 2015 Jun;473(6):1940-56. doi: 10.1007/s11999-014-3490-4. — View Citation

Patrick N, Emanski E, Knaub MA. Acute and Chronic Low Back Pain. Med Clin North Am. 2016 Jan;100(1):169-81. doi: 10.1016/j.mcna.2015.08.015. — View Citation

Provenzano DA, Narouze S. Sonographically guided lumbar spine procedures. J Ultrasound Med. 2013 Jul;32(7):1109-16. doi: 10.7863/ultra.32.7.1109. No abstract available. — View Citation

Rivera CE. Lumbar Epidural Steroid Injections. Phys Med Rehabil Clin N Am. 2018 Feb;29(1):73-92. doi: 10.1016/j.pmr.2017.08.007. — View Citation

Shim E, Lee JW, Lee E, Ahn JM, Kang Y, Kang HS. Fluoroscopically Guided Epidural Injections of the Cervical and Lumbar Spine. Radiographics. 2017 Mar-Apr;37(2):537-561. doi: 10.1148/rg.2017160043. Epub 2016 Dec 9. — View Citation

Vlaeyen JWS, Maher CG, Wiech K, Van Zundert J, Meloto CB, Diatchenko L, Battie MC, Goossens M, Koes B, Linton SJ. Low back pain. Nat Rev Dis Primers. 2018 Dec 13;4(1):52. doi: 10.1038/s41572-018-0052-1. — View Citation

Yang G, Liu J, Ma L, Cai Z, Meng C, Qi S, Zhou H. Ultrasound-guided Versus Fluoroscopy-controlled Lumbar Transforaminal Epidural Injections: A Prospective Randomized Clinical Trial. Clin J Pain. 2016 Feb;32(2):103-8. doi: 10.1097/AJP.0000000000000237. — View Citation

* Note: There are 11 references in allClick here to view all references

Outcome

Type Measure Description Time frame Safety issue
Primary Change in NRS (Numeric Rating Scale) =50% reduction in the NRS scores at first hour relative to the initial NRS scores. at first hour
Primary Radiation Dose Radiation dose during the TFESI at first hour
Primary Radiation Time Radiation time during the TFESI at first hour
Primary Procedure Time Procedure time during the TFESI at first hour
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