• Ambrose J Huang.
• Department of Radiology, Division of Musculoskeletal Imaging and Intervention, Massachusetts General Hospital, 55 Fruit Street, Yawkey 6E, Boston, MA, 02114, USA. ajhuang@mgh.harvard.edu.
• Skeletal Radiol. 2016 May 1; 45 (5): 671-6.

PurposeTo describe a new technique for performing fluoroscopically guided lumbar facet joint injections using an interlaminar approach and loss-of-resistance technique and to report the initial success rate of this technique in a small series of patients.Materials And MethodsThe institutional radiology database was retrospectively reviewed to identify patients who underwent fluoroscopically guided lumbar facet joint injections. Between 1 May 2014 and 31 October 2015, one radiologist attempted fluoroscopically guided lumbar facet joint injections using an interlaminar approach and loss-of-resistance technique in ten severely osteoarthritic facet joints (4 patients). Patient demographics, facet joint side and level, and whether or not an intra-articular facet joint injection was achieved were recorded.ResultsIntra-articular injection was achieved using the interlaminar approach and loss-of-resistance technique in five facet joints.ConclusionFluoroscopically guided lumbar facet joint injection using an interlaminar approach and loss-of-resistance technique is an alternative approach to a direct posterior facet joint injection and may be particularly useful for severely osteoarthritic facet joints, where bulky osteophytes and/or extreme curvature of the joints in the transverse plane threaten to preclude direct posterior access to the joints.

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